======================================
| [    9.670380][  T216] softirqs last disabled at (15178): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.670383][  T216] Preemption disabled at:
| [    9.670383][  T216] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.670392][  T216] Tainted: [W]=WARN
[    9.670393][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.670394][  T216] Call Trace:
[    9.670396][  T216]  <TASK>
[    9.670397][  T216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.670403][  T216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.670405][  T216]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.670409][  T216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.670413][  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)
[    9.670418][  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))
[    9.670420][  T216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.670426][  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)
[    9.670429][  T216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.670433][  T216]  put_chars (drivers/char/virtio_console.c:1176)
[    9.670435][  T216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.670441][  T216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.670449][  T216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.670452][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.670456][  T216]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.670460][  T216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.670462][  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))
[    9.670465][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670467][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.670471][  T216]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.670475][  T216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.670477][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.670482][  T216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.670485][  T216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.670487][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670488][  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)
[    9.670492][  T216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.670494][  T216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.670496][  T216]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.670499][  T216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.670501][  T216]  ? save_trace (kernel/locking/lockdep.c:589)
[    9.670506][  T216]  _printk (kernel/printk/printk.c:2504)
[    9.670509][  T216]  ? snapshot_read.cold (user.c:?)
[    9.670512][  T216]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.670514][  T216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.670518][  T216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.670521][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.670523][  T216]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.670525][  T216]  ? netdev_notice (net/core/dev.c:13194)
[    9.670528][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.670531][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.670533][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.670537][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.670539][  T216]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.670541][  T216]  ? register_netdev (net/core/dev.c:11618)
[    9.670542][  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))
[    9.670547][  T216]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.670550][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[    9.670552][  T216]  ? write_profile (profile.c:?)
[    9.670556][  T216]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.670562][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.670565][  T216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.670567][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.670568][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.670571][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.670574][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.670576][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.670578][  T216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.670580][  T216]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.670582][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.670583][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.670584][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.670586][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.670588][  T216]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[    9.670591][  T216]  ? ___sys_sendmsg (net/socket.c:2758)
[    9.670595][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.670597][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.670599][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670601][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.670602][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670603][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670605][  T216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.670607][  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)
[    9.670609][  T216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.670611][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.670615][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.670616][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.670620][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670623][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.670628][  T216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.670633][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.670635][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.670639][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.670641][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.670643][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.670645][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.670648][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.670650][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.670653][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.670655][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.670659][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.670661][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.670664][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.670667][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.670670][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.670676][  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))
[    9.670678][  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))
[    9.670685][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.670689][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.670692][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.670696][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.670700][  T216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.670704][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.670705][  T216]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[    9.670710][  T216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[    9.670713][  T216]  ____sys_sendmsg (net/socket.c:2713)
[    9.670715][  T216]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.670717][  T216]  ? sock_write_iter (net/socket.c:1269)
[    9.670719][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[    9.670726][  T216]  ___sys_sendmsg (net/socket.c:2767)
[    9.670729][  T216]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.670744][  T216]  __sys_sendmsg (net/socket.c:2799)
[    9.670747][  T216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.670753][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.670756][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.670759][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.670761][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.670763][  T216] RIP: 0033:0x7f482dabe54e
[    9.670767][  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
[    9.670769][  T216] RSP: 002b:00007ffc56a33b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.670771][  T216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f482dabe54e
[    9.670773][  T216] RDX: 0000000000000000 RSI: 00007ffc56a33c10 RDI: 0000000000000005
[    9.670774][  T216] RBP: 00007ffc56a33b70 R08: 0000000000000000 R09: 0000000000000000
[    9.670774][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb13
[    9.670775][  T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc56a342d0
| [   11.502342][  T294] softirqs last disabled at (26388): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.502344][  T294] Preemption disabled at:
| [   11.502345][  T294] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.502353][  T294] Tainted: [W]=WARN
[   11.502354][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.502356][  T294] Call Trace:
[   11.502357][  T294]  <TASK>
[   11.502359][  T294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.502364][  T294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.502366][  T294]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.502370][  T294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.502374][  T294]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.502379][  T294]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.502381][  T294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.502387][  T294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.502390][  T294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.502393][  T294]  put_chars (drivers/char/virtio_console.c:1176)
[   11.502396][  T294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.502397][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.502400][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.502403][  T294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.502408][  T294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.502411][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.502416][  T294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.502420][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.502424][  T294]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.502428][  T294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.502430][  T294]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.502433][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.502435][  T294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.502438][  T294]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.502443][  T294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.502444][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.502450][  T294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.502452][  T294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.502454][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.502456][  T294]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.502460][  T294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.502462][  T294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.502464][  T294]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.502467][  T294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.502469][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.502472][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.502475][  T294]  _printk (kernel/printk/printk.c:2504)
[   11.502479][  T294]  ? snapshot_read.cold (user.c:?)
[   11.502482][  T294]  ? br_multicast_flood (??:?)
[   11.502485][  T294]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.502486][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.502488][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.502492][  T294]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.502496][  T294]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.502498][  T294]  new_nbp (net/bridge/br_if.c:449)
[   11.502502][  T294]  br_add_if (net/bridge/br_if.c:592)
[   11.502504][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   11.502512][  T294]  do_set_master (net/core/rtnetlink.c:3071)
[   11.502515][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.502519][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   11.502520][  T294]  ? __dev_get_by_name (net/core/dev.c:905)
[   11.502522][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   11.502532][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.502538][  T294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.502543][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.502545][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.502552][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.502555][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.502557][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.502560][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.502562][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.502566][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.502568][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.502572][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.502575][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.502578][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.502584][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.502586][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.502590][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.502594][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.502600][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.502604][  T294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.502608][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.502609][  T294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.502614][  T294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.502618][  T294]  ____sys_sendmsg (net/socket.c:2713)
[   11.502620][  T294]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.502623][  T294]  ? sock_write_iter (net/socket.c:1269)
[   11.502624][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   11.502629][  T294]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   11.502631][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.502635][  T294]  ___sys_sendmsg (net/socket.c:2767)
[   11.502636][  T294]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   11.502639][  T294]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.502641][  T294]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.502656][  T294]  __sys_sendmsg (net/socket.c:2799)
[   11.502658][  T294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.502664][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.502665][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.502668][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.502672][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.502675][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.502677][  T294] RIP: 0033:0x7f826bc3854e
[   11.502681][  T294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.502682][  T294] RSP: 002b:00007ffd2b410490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.502687][  T294] RAX: ffffffffffffffda RBX: 00007ffd2b410c58 RCX: 00007f826bc3854e
[   11.502688][  T294] RDX: 0000000000000000 RSI: 00007ffd2b410540 RDI: 0000000000000005
[   11.502689][  T294] RBP: 00007ffd2b4104a0 R08: 0000000000000000 R09: 0000000000000000
[   11.502690][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb14
[   11.502691][  T294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2b410c10
| [   13.132864][  T343] softirqs last disabled at (29378): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.132866][  T343] Preemption disabled at:
| [   13.132867][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.132875][  T343] Tainted: [W]=WARN
[   13.132876][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.132878][  T343] Call Trace:
[   13.132879][  T343]  <TASK>
[   13.132881][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.132886][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.132888][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.132892][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.132896][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.132901][  T343]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.132902][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.132909][  T343]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.132912][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.132915][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   13.132918][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.132919][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.132922][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.132925][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.132930][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.132934][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.132939][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.132942][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132946][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.132950][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.132952][  T343]  ? 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))
[   13.132955][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132957][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.132961][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.132965][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.132967][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.132972][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.132975][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.132977][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.132978][  T343]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.132982][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.132984][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.132986][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.132989][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.132991][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.132994][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.132997][  T343]  _printk (kernel/printk/printk.c:2504)
[   13.133001][  T343]  ? snapshot_read.cold (user.c:?)
[   13.133004][  T343]  ? br_multicast_flood (??:?)
[   13.133007][  T343]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.133009][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.133010][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.133014][  T343]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.133018][  T343]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.133021][  T343]  new_nbp (net/bridge/br_if.c:449)
[   13.133025][  T343]  br_add_if (net/bridge/br_if.c:592)
[   13.133026][  T343]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   13.133034][  T343]  do_set_master (net/core/rtnetlink.c:3071)
[   13.133038][  T343]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.133041][  T343]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   13.133043][  T343]  ? __dev_get_by_name (net/core/dev.c:905)
[   13.133045][  T343]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   13.133054][  T343]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.133060][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.133066][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.133068][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.133074][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.133078][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.133080][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.133083][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.133084][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.133089][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.133090][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.133094][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.133097][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.133100][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.133106][  T343]  ? 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))
[   13.133109][  T343]  ? 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))
[   13.133113][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.133117][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.133122][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.133126][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.133130][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.133132][  T343]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.133137][  T343]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.133141][  T343]  ____sys_sendmsg (net/socket.c:2713)
[   13.133143][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.133145][  T343]  ? sock_write_iter (net/socket.c:1269)
[   13.133147][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   13.133151][  T343]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   13.133154][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.133157][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   13.133159][  T343]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   13.133161][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.133164][  T343]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   13.133178][  T343]  __sys_sendmsg (net/socket.c:2799)
[   13.133181][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.133187][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.133188][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.133191][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.133195][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.133198][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.133200][  T343] RIP: 0033:0x7fb4510cb54e
[   13.133204][  T343] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.133206][  T343] RSP: 002b:00007ffdfb645200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.133208][  T343] RAX: ffffffffffffffda RBX: 00007ffdfb6459c8 RCX: 00007fb4510cb54e
[   13.133210][  T343] RDX: 0000000000000000 RSI: 00007ffdfb6452b0 RDI: 0000000000000005
[   13.133211][  T343] RBP: 00007ffdfb645210 R08: 0000000000000000 R09: 0000000000000000
[   13.133211][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb16
[   13.133212][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfb645980
| [   20.953587][   T68] softirqs last disabled at (22320): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   20.953590][   T68] Preemption disabled at:
| [   20.953590][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.953599][   T68] Tainted: [W]=WARN
[   20.953600][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.953601][   T68] Workqueue: netns cleanup_net
[   20.953605][   T68] Call Trace:
[   20.953606][   T68]  <TASK>
[   20.953608][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.953614][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.953615][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.953620][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.953624][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.953628][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.953630][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.953637][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.953640][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.953644][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   20.953646][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.953650][   T68]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   20.953654][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.953658][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.953663][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.953667][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.953672][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.953676][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.953678][   T68]  ? 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))
[   20.953681][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.953685][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.953689][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.953694][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.953696][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.953701][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.953704][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.953706][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.953707][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.953711][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.953713][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.953716][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.953719][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.953720][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   20.953722][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   20.953724][   T68]  ? kthread (kernel/kthread.c:436)
[   20.953726][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   20.953729][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   20.953734][   T68]  _printk (kernel/printk/printk.c:2504)
[   20.953737][   T68]  ? snapshot_read.cold (user.c:?)
[   20.953741][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.953745][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.953749][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.953752][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   20.953756][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.953758][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   20.953761][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   20.953763][   T68]  ? 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)
[   20.953765][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   20.953769][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   20.953772][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   20.953779][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   20.953782][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   20.953786][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   20.953789][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.953793][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   20.953795][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.953798][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   20.953803][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   20.953806][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.953809][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.953811][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.953815][   T68]  process_one_work (kernel/workqueue.c:3387)
[   20.953821][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   20.953824][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.953832][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   20.953836][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   20.953838][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   20.953841][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   20.953843][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   20.953845][   T68]  kthread (kernel/kthread.c:436)
[   20.953847][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.953850][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   20.953853][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.953856][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   20.953859][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.953867][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   20.953869][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.036039][  T521] softirqs last disabled at (17626): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.036042][  T521] Preemption disabled at:
| [   22.036042][  T521] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.036051][  T521] Tainted: [W]=WARN
[   22.036051][  T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.036053][  T521] Call Trace:
[   22.036055][  T521]  <TASK>
[   22.036056][  T521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.036061][  T521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.036063][  T521]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.036067][  T521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.036071][  T521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.036076][  T521]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.036078][  T521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.036084][  T521]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.036087][  T521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.036091][  T521]  put_chars (drivers/char/virtio_console.c:1176)
[   22.036093][  T521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.036099][  T521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.036107][  T521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.036110][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.036114][  T521]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.036118][  T521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.036120][  T521]  ? 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))
[   22.036123][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036126][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.036129][  T521]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.036134][  T521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.036135][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.036140][  T521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.036143][  T521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.036145][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036147][  T521]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.036150][  T521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.036152][  T521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.036155][  T521]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.036157][  T521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.036160][  T521]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.036165][  T521]  _printk (kernel/printk/printk.c:2504)
[   22.036168][  T521]  ? snapshot_read.cold (user.c:?)
[   22.036170][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.036173][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.036175][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.036177][  T521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.036181][  T521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.036184][  T521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.036186][  T521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.036188][  T521]  ? netdev_notice (net/core/dev.c:13194)
[   22.036191][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.036194][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.036196][  T521]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.036200][  T521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.036202][  T521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.036204][  T521]  ? register_netdev (net/core/dev.c:11618)
[   22.036205][  T521]  ? 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))
[   22.036210][  T521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.036213][  T521]  ? __kernel_text_address (kernel/extable.c:79)
[   22.036215][  T521]  ? write_profile (profile.c:?)
[   22.036219][  T521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.036225][  T521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.036228][  T521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.036230][  T521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.036231][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.036233][  T521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.036237][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.036239][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.036240][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.036243][  T521]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.036244][  T521]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.036245][  T521]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.036247][  T521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.036249][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.036251][  T521]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.036254][  T521]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.036257][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.036259][  T521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.036262][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036263][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.036265][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036266][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036268][  T521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.036270][  T521]  ? __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)
[   22.036271][  T521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.036273][  T521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.036276][  T521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.036277][  T521]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.036282][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036284][  T521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.036289][  T521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.036294][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.036296][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.036301][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.036302][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.036304][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.036306][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.036310][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.036312][  T521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.036315][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.036316][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.036320][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.036322][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.036325][  T521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.036328][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.036331][  T521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.036337][  T521]  ? 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))
[   22.036339][  T521]  ? 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))
[   22.036344][  T521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.036347][  T521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.036350][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.036354][  T521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.036358][  T521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.036362][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.036363][  T521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.036368][  T521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.036371][  T521]  ____sys_sendmsg (net/socket.c:2713)
[   22.036373][  T521]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.036375][  T521]  ? sock_write_iter (net/socket.c:1269)
[   22.036377][  T521]  ? move_addr_to_kernel (net/socket.c:258)
[   22.036384][  T521]  ___sys_sendmsg (net/socket.c:2767)
[   22.036387][  T521]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.036402][  T521]  __sys_sendmsg (net/socket.c:2799)
[   22.036405][  T521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.036411][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.036413][  T521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.036416][  T521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.036419][  T521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.036421][  T521] RIP: 0033:0x7f7ceee6c54e
[   22.036425][  T521] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.036426][  T521] RSP: 002b:00007ffcbe138580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.036429][  T521] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7ceee6c54e
[   22.036430][  T521] RDX: 0000000000000000 RSI: 00007ffcbe138630 RDI: 0000000000000005
[   22.036431][  T521] RBP: 00007ffcbe138590 R08: 0000000000000000 R09: 0000000000000000
[   22.036432][  T521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb1f
[   22.036433][  T521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbe138cf0
| [   23.762508][  T596] softirqs last disabled at (18168): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   23.762510][  T596] Preemption disabled at:
| [   23.762511][  T596] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.762519][  T596] Tainted: [W]=WARN
[   23.762520][  T596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.762521][  T596] Call Trace:
[   23.762523][  T596]  <TASK>
[   23.762524][  T596]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.762530][  T596]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.762531][  T596]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.762536][  T596]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.762540][  T596]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.762544][  T596]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.762546][  T596]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.762553][  T596]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.762555][  T596]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.762559][  T596]  put_chars (drivers/char/virtio_console.c:1176)
[   23.762561][  T596]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.762563][  T596]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.762566][  T596]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.762569][  T596]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.762574][  T596]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.762577][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762582][  T596]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.762585][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762590][  T596]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.762594][  T596]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.762596][  T596]  ? 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))
[   23.762599][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762601][  T596]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.762604][  T596]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.762608][  T596]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.762610][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762615][  T596]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.762618][  T596]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.762620][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762622][  T596]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.762625][  T596]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.762627][  T596]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.762630][  T596]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.762633][  T596]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.762634][  T596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.762637][  T596]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.762641][  T596]  _printk (kernel/printk/printk.c:2504)
[   23.762644][  T596]  ? snapshot_read.cold (user.c:?)
[   23.762647][  T596]  ? br_multicast_flood (??:?)
[   23.762650][  T596]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   23.762652][  T596]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   23.762653][  T596]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.762657][  T596]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.762661][  T596]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.762663][  T596]  new_nbp (net/bridge/br_if.c:449)
[   23.762667][  T596]  br_add_if (net/bridge/br_if.c:592)
[   23.762669][  T596]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   23.762677][  T596]  do_set_master (net/core/rtnetlink.c:3071)
[   23.762680][  T596]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   23.762685][  T596]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   23.762687][  T596]  ? __dev_get_by_name (net/core/dev.c:905)
[   23.762689][  T596]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   23.762698][  T596]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   23.762705][  T596]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.762710][  T596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.762712][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762718][  T596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.762722][  T596]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.762724][  T596]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.762727][  T596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.762728][  T596]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.762733][  T596]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.762735][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.762738][  T596]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.762741][  T596]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.762744][  T596]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.762750][  T596]  ? 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))
[   23.762752][  T596]  ? 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))
[   23.762756][  T596]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.762760][  T596]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.762766][  T596]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.762770][  T596]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.762773][  T596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.762775][  T596]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.762780][  T596]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.762784][  T596]  ____sys_sendmsg (net/socket.c:2713)
[   23.762787][  T596]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.762789][  T596]  ? sock_write_iter (net/socket.c:1269)
[   23.762790][  T596]  ? move_addr_to_kernel (net/socket.c:258)
[   23.762795][  T596]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   23.762797][  T596]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.762801][  T596]  ___sys_sendmsg (net/socket.c:2767)
[   23.762802][  T596]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   23.762805][  T596]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.762807][  T596]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   23.762822][  T596]  __sys_sendmsg (net/socket.c:2799)
[   23.762825][  T596]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.762830][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762832][  T596]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.762835][  T596]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.762838][  T596]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.762841][  T596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.762843][  T596] RIP: 0033:0x7f520c0aa54e
[   23.762847][  T596] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.762849][  T596] RSP: 002b:00007ffe06213e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.762852][  T596] RAX: ffffffffffffffda RBX: 00007ffe06214658 RCX: 00007f520c0aa54e
[   23.762853][  T596] RDX: 0000000000000000 RSI: 00007ffe06213f40 RDI: 0000000000000005
[   23.762854][  T596] RBP: 00007ffe06213ea0 R08: 0000000000000000 R09: 0000000000000000
[   23.762855][  T596] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb21
[   23.762855][  T596] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe06214610
| [   24.835929][  T635] softirqs last disabled at (21236): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.835932][  T635] Preemption disabled at:
| [   24.835933][  T635] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.835942][  T635] Tainted: [W]=WARN
[   24.835943][  T635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.835944][  T635] Call Trace:
[   24.835946][  T635]  <TASK>
[   24.835947][  T635]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.835953][  T635]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.835955][  T635]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.835959][  T635]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.835963][  T635]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.835968][  T635]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.835970][  T635]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.835976][  T635]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.835978][  T635]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.835982][  T635]  put_chars (drivers/char/virtio_console.c:1176)
[   24.835984][  T635]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.835991][  T635]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.835998][  T635]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.836002][  T635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.836006][  T635]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.836010][  T635]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.836012][  T635]  ? 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))
[   24.836015][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836018][  T635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.836022][  T635]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.836026][  T635]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.836028][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.836033][  T635]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.836036][  T635]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.836037][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836039][  T635]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.836043][  T635]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.836044][  T635]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.836047][  T635]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.836050][  T635]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.836053][  T635]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   24.836058][  T635]  _printk (kernel/printk/printk.c:2504)
[   24.836061][  T635]  ? snapshot_read.cold (user.c:?)
[   24.836063][  T635]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.836065][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.836068][  T635]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.836070][  T635]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.836074][  T635]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.836077][  T635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.836079][  T635]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.836082][  T635]  ? netdev_notice (net/core/dev.c:13194)
[   24.836085][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.836088][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.836090][  T635]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.836094][  T635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.836096][  T635]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.836098][  T635]  ? register_netdev (net/core/dev.c:11618)
[   24.836099][  T635]  ? 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))
[   24.836104][  T635]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.836107][  T635]  ? __kernel_text_address (kernel/extable.c:79)
[   24.836110][  T635]  ? write_profile (profile.c:?)
[   24.836113][  T635]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.836119][  T635]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.836123][  T635]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.836125][  T635]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.836126][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.836128][  T635]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.836131][  T635]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.836133][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.836134][  T635]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.836137][  T635]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.836139][  T635]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.836140][  T635]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.836141][  T635]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.836143][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.836145][  T635]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.836148][  T635]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.836152][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.836154][  T635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.836157][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836158][  T635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.836160][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836161][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836163][  T635]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.836165][  T635]  ? __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)
[   24.836166][  T635]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.836168][  T635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.836171][  T635]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.836172][  T635]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.836177][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836179][  T635]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.836184][  T635]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.836190][  T635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.836191][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.836196][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.836198][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.836200][  T635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.836201][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.836206][  T635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.836208][  T635]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.836212][  T635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.836213][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.836217][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.836219][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.836223][  T635]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.836226][  T635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.836229][  T635]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.836235][  T635]  ? 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))
[   24.836237][  T635]  ? 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))
[   24.836241][  T635]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.836245][  T635]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.836248][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.836252][  T635]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.836256][  T635]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.836260][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.836261][  T635]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.836266][  T635]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.836269][  T635]  ____sys_sendmsg (net/socket.c:2713)
[   24.836271][  T635]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.836273][  T635]  ? sock_write_iter (net/socket.c:1269)
[   24.836275][  T635]  ? move_addr_to_kernel (net/socket.c:258)
[   24.836282][  T635]  ___sys_sendmsg (net/socket.c:2767)
[   24.836285][  T635]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.836300][  T635]  __sys_sendmsg (net/socket.c:2799)
[   24.836303][  T635]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.836309][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.836312][  T635]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.836315][  T635]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.836318][  T635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.836320][  T635] RIP: 0033:0x7ff7df52254e
[   24.836324][  T635] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.836326][  T635] RSP: 002b:00007fffc6ae5c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.836328][  T635] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff7df52254e
[   24.836330][  T635] RDX: 0000000000000000 RSI: 00007fffc6ae5d00 RDI: 0000000000000005
[   24.836331][  T635] RBP: 00007fffc6ae5c60 R08: 0000000000000000 R09: 0000000000000000
[   24.836332][  T635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb22
[   24.836332][  T635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc6ae63c0
| [   26.558301][  T692] softirqs last disabled at (24712): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   26.558303][  T692] Preemption disabled at:
| [   26.558304][  T692] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.558312][  T692] Tainted: [W]=WARN
[   26.558313][  T692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.558314][  T692] Call Trace:
[   26.558316][  T692]  <TASK>
[   26.558317][  T692]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.558323][  T692]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.558325][  T692]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.558329][  T692]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.558333][  T692]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.558337][  T692]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.558339][  T692]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.558346][  T692]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.558348][  T692]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.558352][  T692]  put_chars (drivers/char/virtio_console.c:1176)
[   26.558354][  T692]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.558356][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.558359][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.558362][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.558367][  T692]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.558371][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.558376][  T692]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.558379][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558384][  T692]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.558387][  T692]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.558389][  T692]  ? 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))
[   26.558393][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558394][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.558398][  T692]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.558402][  T692]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.558404][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.558409][  T692]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.558412][  T692]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.558414][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558416][  T692]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.558419][  T692]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.558421][  T692]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.558424][  T692]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.558427][  T692]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.558429][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.558432][  T692]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.558435][  T692]  _printk (kernel/printk/printk.c:2504)
[   26.558439][  T692]  ? snapshot_read.cold (user.c:?)
[   26.558442][  T692]  ? br_multicast_flood (??:?)
[   26.558445][  T692]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   26.558446][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   26.558447][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.558452][  T692]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.558456][  T692]  br_init_port (net/bridge/br_stp_if.c:39)
[   26.558458][  T692]  new_nbp (net/bridge/br_if.c:449)
[   26.558462][  T692]  br_add_if (net/bridge/br_if.c:592)
[   26.558464][  T692]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   26.558472][  T692]  do_set_master (net/core/rtnetlink.c:3071)
[   26.558475][  T692]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   26.558479][  T692]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   26.558480][  T692]  ? __dev_get_by_name (net/core/dev.c:905)
[   26.558482][  T692]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   26.558492][  T692]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   26.558498][  T692]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.558504][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.558506][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.558512][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.558516][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.558518][  T692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.558521][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.558523][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.558527][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.558529][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.558533][  T692]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.558536][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.558538][  T692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.558545][  T692]  ? 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))
[   26.558547][  T692]  ? 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))
[   26.558551][  T692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.558555][  T692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.558561][  T692]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.558565][  T692]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.558569][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.558571][  T692]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.558576][  T692]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.558580][  T692]  ____sys_sendmsg (net/socket.c:2713)
[   26.558582][  T692]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.558585][  T692]  ? sock_write_iter (net/socket.c:1269)
[   26.558586][  T692]  ? move_addr_to_kernel (net/socket.c:258)
[   26.558591][  T692]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   26.558593][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.558597][  T692]  ___sys_sendmsg (net/socket.c:2767)
[   26.558599][  T692]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   26.558601][  T692]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.558604][  T692]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   26.558619][  T692]  __sys_sendmsg (net/socket.c:2799)
[   26.558622][  T692]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.558627][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558629][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.558632][  T692]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.558635][  T692]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.558638][  T692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.558640][  T692] RIP: 0033:0x7f570897854e
[   26.558644][  T692] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.558646][  T692] RSP: 002b:00007ffe121310b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.558648][  T692] RAX: ffffffffffffffda RBX: 00007ffe12131878 RCX: 00007f570897854e
[   26.558649][  T692] RDX: 0000000000000000 RSI: 00007ffe12131160 RDI: 0000000000000005
[   26.558650][  T692] RBP: 00007ffe121310c0 R08: 0000000000000000 R09: 0000000000000000
[   26.558651][  T692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb23
[   26.558652][  T692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe12131830
| [   33.406427][   T68] softirqs last disabled at (292336): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   33.406430][   T68] Preemption disabled at:
| [   33.406430][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.406439][   T68] Tainted: [W]=WARN
[   33.406440][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.406441][   T68] Workqueue: netns cleanup_net
[   33.406444][   T68] Call Trace:
[   33.406446][   T68]  <TASK>
[   33.406448][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.406454][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.406456][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.406460][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.406464][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.406469][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.406470][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.406477][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.406480][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.406484][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   33.406486][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.406488][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.406491][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.406494][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.406499][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.406502][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.406508][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.406511][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.406515][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.406520][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.406521][   T68]  ? 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))
[   33.406525][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.406527][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.406531][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.406535][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.406537][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.406542][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.406545][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.406547][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.406549][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.406552][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.406554][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.406557][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.406560][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.406561][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   33.406563][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.406565][   T68]  ? kthread (kernel/kthread.c:436)
[   33.406567][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   33.406570][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   33.406574][   T68]  _printk (kernel/printk/printk.c:2504)
[   33.406578][   T68]  ? snapshot_read.cold (user.c:?)
[   33.406582][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.406586][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.406590][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.406593][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   33.406597][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.406599][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   33.406601][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   33.406603][   T68]  ? 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)
[   33.406606][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   33.406610][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   33.406613][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   33.406620][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   33.406624][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   33.406627][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   33.406631][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   33.406635][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   33.406636][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.406640][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   33.406644][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   33.406647][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.406651][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.406653][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.406656][   T68]  process_one_work (kernel/workqueue.c:3387)
[   33.406663][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.406666][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.406674][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.406678][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.406680][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.406686][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.406689][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.406691][   T68]  kthread (kernel/kthread.c:436)
[   33.406693][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.406696][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.406699][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.406702][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.406705][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.406708][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.406711][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.488024][  T840] softirqs last disabled at (17682): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   34.488027][  T840] Preemption disabled at:
| [   34.488027][  T840] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.488035][  T840] Tainted: [W]=WARN
[   34.488036][  T840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.488038][  T840] Call Trace:
[   34.488040][  T840]  <TASK>
[   34.488041][  T840]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.488047][  T840]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.488049][  T840]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.488053][  T840]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.488057][  T840]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.488061][  T840]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   34.488063][  T840]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.488070][  T840]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.488072][  T840]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.488076][  T840]  put_chars (drivers/char/virtio_console.c:1176)
[   34.488078][  T840]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.488084][  T840]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.488092][  T840]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.488095][  T840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.488099][  T840]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.488103][  T840]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.488105][  T840]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   34.488108][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488110][  T840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.488114][  T840]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.488118][  T840]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.488120][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.488125][  T840]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.488128][  T840]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.488130][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488131][  T840]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   34.488135][  T840]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.488137][  T840]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.488139][  T840]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.488142][  T840]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.488145][  T840]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   34.488150][  T840]  _printk (kernel/printk/printk.c:2504)
[   34.488153][  T840]  ? snapshot_read.cold (user.c:?)
[   34.488155][  T840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.488157][  T840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.488160][  T840]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.488162][  T840]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.488165][  T840]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.488168][  T840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.488170][  T840]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.488173][  T840]  ? netdev_notice (net/core/dev.c:13194)
[   34.488176][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.488179][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.488181][  T840]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   34.488184][  T840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.488186][  T840]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   34.488188][  T840]  ? register_netdev (net/core/dev.c:11618)
[   34.488190][  T840]  ? 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))
[   34.488195][  T840]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   34.488197][  T840]  ? __kernel_text_address (kernel/extable.c:79)
[   34.488200][  T840]  ? write_profile (profile.c:?)
[   34.488204][  T840]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   34.488209][  T840]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   34.488213][  T840]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   34.488215][  T840]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   34.488216][  T840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.488218][  T840]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.488221][  T840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.488223][  T840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.488225][  T840]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.488227][  T840]  ? kasan_save_stack (mm/kasan/common.c:58)
[   34.488229][  T840]  ? kasan_save_stack (mm/kasan/common.c:57)
[   34.488230][  T840]  ? kasan_save_track (mm/kasan/common.c:78)
[   34.488231][  T840]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.488234][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.488235][  T840]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   34.488238][  T840]  ? ___sys_sendmsg (net/socket.c:2758)
[   34.488242][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.488244][  T840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.488246][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488248][  T840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.488250][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488251][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488252][  T840]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   34.488254][  T840]  ? __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)
[   34.488255][  T840]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   34.488257][  T840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   34.488261][  T840]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.488262][  T840]  ? nla_get_range_signed (lib/nlattr.c:270)
[   34.488267][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488269][  T840]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   34.488274][  T840]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   34.488279][  T840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.488281][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.488285][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.488287][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.488289][  T840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.488290][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.488294][  T840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   34.488296][  T840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.488299][  T840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.488300][  T840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.488305][  T840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.488306][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.488310][  T840]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.488313][  T840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.488315][  T840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.488322][  T840]  ? 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))
[   34.488324][  T840]  ? 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))
[   34.488328][  T840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.488332][  T840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.488334][  T840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.488338][  T840]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.488342][  T840]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.488346][  T840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.488347][  T840]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   34.488353][  T840]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   34.488355][  T840]  ____sys_sendmsg (net/socket.c:2713)
[   34.488358][  T840]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.488360][  T840]  ? sock_write_iter (net/socket.c:1269)
[   34.488361][  T840]  ? move_addr_to_kernel (net/socket.c:258)
[   34.488369][  T840]  ___sys_sendmsg (net/socket.c:2767)
[   34.488371][  T840]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.488386][  T840]  __sys_sendmsg (net/socket.c:2799)
[   34.488389][  T840]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.488395][  T840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.488398][  T840]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.488401][  T840]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.488404][  T840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.488406][  T840] RIP: 0033:0x7f1fc456b54e
[   34.488410][  T840] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.488411][  T840] RSP: 002b:00007ffdbb3b8410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.488414][  T840] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1fc456b54e
[   34.488416][  T840] RDX: 0000000000000000 RSI: 00007ffdbb3b84c0 RDI: 0000000000000005
[   34.488416][  T840] RBP: 00007ffdbb3b8420 R08: 0000000000000000 R09: 0000000000000000
[   34.488417][  T840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb2b
[   34.488418][  T840] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbb3b8b80
| [   36.261859][  T914] softirqs last disabled at (24262): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   36.261861][  T914] Preemption disabled at:
| [   36.261862][  T914] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.261870][  T914] Tainted: [W]=WARN
[   36.261871][  T914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.261872][  T914] Call Trace:
[   36.261874][  T914]  <TASK>
[   36.261876][  T914]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.261881][  T914]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.261883][  T914]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.261887][  T914]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.261891][  T914]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.261896][  T914]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   36.261898][  T914]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.261904][  T914]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.261907][  T914]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.261911][  T914]  put_chars (drivers/char/virtio_console.c:1176)
[   36.261913][  T914]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.261914][  T914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.261918][  T914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.261921][  T914]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.261925][  T914]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.261929][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.261935][  T914]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.261938][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.261942][  T914]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.261946][  T914]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.261948][  T914]  ? 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))
[   36.261951][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.261953][  T914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.261957][  T914]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.261961][  T914]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.261963][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.261973][  T914]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.261976][  T914]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.261978][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.261979][  T914]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   36.261983][  T914]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.261985][  T914]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.261987][  T914]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.261991][  T914]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.261992][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.261995][  T914]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.261999][  T914]  _printk (kernel/printk/printk.c:2504)
[   36.262002][  T914]  ? snapshot_read.cold (user.c:?)
[   36.262005][  T914]  ? br_multicast_flood (??:?)
[   36.262008][  T914]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   36.262010][  T914]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   36.262011][  T914]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.262015][  T914]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.262019][  T914]  br_init_port (net/bridge/br_stp_if.c:39)
[   36.262022][  T914]  new_nbp (net/bridge/br_if.c:449)
[   36.262025][  T914]  br_add_if (net/bridge/br_if.c:592)
[   36.262027][  T914]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   36.262035][  T914]  do_set_master (net/core/rtnetlink.c:3071)
[   36.262039][  T914]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   36.262042][  T914]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   36.262044][  T914]  ? __dev_get_by_name (net/core/dev.c:905)
[   36.262046][  T914]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   36.262055][  T914]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   36.262062][  T914]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.262067][  T914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.262069][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.262075][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.262079][  T914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.262081][  T914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.262084][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.262085][  T914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.262090][  T914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.262092][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.262096][  T914]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.262098][  T914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.262101][  T914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.262108][  T914]  ? 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))
[   36.262110][  T914]  ? 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))
[   36.262114][  T914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.262118][  T914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.262124][  T914]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.262128][  T914]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.262131][  T914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.262133][  T914]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   36.262138][  T914]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   36.262142][  T914]  ____sys_sendmsg (net/socket.c:2713)
[   36.262144][  T914]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.262147][  T914]  ? sock_write_iter (net/socket.c:1269)
[   36.262148][  T914]  ? move_addr_to_kernel (net/socket.c:258)
[   36.262153][  T914]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   36.262155][  T914]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.262159][  T914]  ___sys_sendmsg (net/socket.c:2767)
[   36.262160][  T914]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   36.262163][  T914]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.262165][  T914]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   36.262180][  T914]  __sys_sendmsg (net/socket.c:2799)
[   36.262183][  T914]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.262188][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.262190][  T914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.262193][  T914]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.262196][  T914]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.262199][  T914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.262201][  T914] RIP: 0033:0x7f51cde2754e
[   36.262205][  T914] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.262207][  T914] RSP: 002b:00007ffc9d48cb80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.262209][  T914] RAX: ffffffffffffffda RBX: 00007ffc9d48d348 RCX: 00007f51cde2754e
[   36.262211][  T914] RDX: 0000000000000000 RSI: 00007ffc9d48cc30 RDI: 0000000000000005
[   36.262212][  T914] RBP: 00007ffc9d48cb90 R08: 0000000000000000 R09: 0000000000000000
[   36.262212][  T914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb2d
[   36.262213][  T914] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9d48d300
| [   37.372403][  T953] softirqs last disabled at (30358): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.372406][  T953] Preemption disabled at:
| [   37.372406][  T953] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.372415][  T953] Tainted: [W]=WARN
[   37.372416][  T953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.372417][  T953] Call Trace:
[   37.372419][  T953]  <TASK>
[   37.372420][  T953]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.372426][  T953]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.372428][  T953]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.372432][  T953]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.372436][  T953]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.372440][  T953]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   37.372442][  T953]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.372449][  T953]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.372452][  T953]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.372455][  T953]  put_chars (drivers/char/virtio_console.c:1176)
[   37.372458][  T953]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.372464][  T953]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.372471][  T953]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.372474][  T953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.372479][  T953]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.372483][  T953]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.372484][  T953]  ? 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))
[   37.372488][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372490][  T953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.372494][  T953]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.372498][  T953]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.372500][  T953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.372505][  T953]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.372508][  T953]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.372510][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372512][  T953]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   37.372515][  T953]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.372517][  T953]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.372520][  T953]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.372523][  T953]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.372525][  T953]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   37.372530][  T953]  _printk (kernel/printk/printk.c:2504)
[   37.372534][  T953]  ? snapshot_read.cold (user.c:?)
[   37.372535][  T953]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.372538][  T953]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.372541][  T953]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.372543][  T953]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.372546][  T953]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.372549][  T953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.372551][  T953]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.372554][  T953]  ? netdev_notice (net/core/dev.c:13194)
[   37.372557][  T953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.372560][  T953]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.372562][  T953]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.372565][  T953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.372567][  T953]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.372570][  T953]  ? register_netdev (net/core/dev.c:11618)
[   37.372571][  T953]  ? 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))
[   37.372576][  T953]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.372579][  T953]  ? __kernel_text_address (kernel/extable.c:79)
[   37.372581][  T953]  ? write_profile (profile.c:?)
[   37.372585][  T953]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.372591][  T953]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.372594][  T953]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.372596][  T953]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.372598][  T953]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.372599][  T953]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.372603][  T953]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.372605][  T953]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.372606][  T953]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.372609][  T953]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.372611][  T953]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.372612][  T953]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.372613][  T953]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.372615][  T953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.372617][  T953]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.372620][  T953]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.372624][  T953]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.372625][  T953]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.372628][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372630][  T953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.372631][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372632][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372634][  T953]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.372636][  T953]  ? __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)
[   37.372637][  T953]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.372639][  T953]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.372642][  T953]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.372644][  T953]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.372648][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372650][  T953]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.372655][  T953]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.372660][  T953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.372662][  T953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.372667][  T953]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.372668][  T953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.372670][  T953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.372672][  T953]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.372676][  T953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.372678][  T953]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.372681][  T953]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.372682][  T953]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.372688][  T953]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.372690][  T953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.372694][  T953]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.372697][  T953]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.372700][  T953]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.372706][  T953]  ? 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))
[   37.372708][  T953]  ? 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))
[   37.372712][  T953]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.372716][  T953]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.372719][  T953]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.372723][  T953]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.372727][  T953]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.372731][  T953]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.372732][  T953]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.372737][  T953]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.372740][  T953]  ____sys_sendmsg (net/socket.c:2713)
[   37.372742][  T953]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.372744][  T953]  ? sock_write_iter (net/socket.c:1269)
[   37.372746][  T953]  ? move_addr_to_kernel (net/socket.c:258)
[   37.372753][  T953]  ___sys_sendmsg (net/socket.c:2767)
[   37.372756][  T953]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.372771][  T953]  __sys_sendmsg (net/socket.c:2799)
[   37.372774][  T953]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.372780][  T953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.372783][  T953]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.372786][  T953]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.372789][  T953]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.372791][  T953] RIP: 0033:0x7f543476c54e
[   37.372795][  T953] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.372796][  T953] RSP: 002b:00007ffc2ee4e120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.372799][  T953] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f543476c54e
[   37.372801][  T953] RDX: 0000000000000000 RSI: 00007ffc2ee4e1d0 RDI: 0000000000000005
[   37.372801][  T953] RBP: 00007ffc2ee4e130 R08: 0000000000000000 R09: 0000000000000000
[   37.372802][  T953] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb2e
[   37.372803][  T953] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2ee4e890
| [   39.068517][ T1003] softirqs last disabled at (17568): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.068519][ T1003] Preemption disabled at:
| [   39.068520][ T1003] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.068528][ T1003] Tainted: [W]=WARN
[   39.068528][ T1003] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.068530][ T1003] Call Trace:
[   39.068532][ T1003]  <TASK>
[   39.068533][ T1003]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.068539][ T1003]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.068541][ T1003]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.068545][ T1003]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.068549][ T1003]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.068553][ T1003]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.068555][ T1003]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.068562][ T1003]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.068564][ T1003]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.068568][ T1003]  put_chars (drivers/char/virtio_console.c:1176)
[   39.068571][ T1003]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.068572][ T1003]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.068576][ T1003]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.068578][ T1003]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.068583][ T1003]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.068587][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.068592][ T1003]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.068595][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.068600][ T1003]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.068604][ T1003]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.068606][ T1003]  ? 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))
[   39.068609][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.068611][ T1003]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.068615][ T1003]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.068619][ T1003]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.068621][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.068626][ T1003]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.068629][ T1003]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.068631][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.068632][ T1003]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   39.068636][ T1003]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.068638][ T1003]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.068641][ T1003]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.068644][ T1003]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.068646][ T1003]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.068648][ T1003]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.068652][ T1003]  _printk (kernel/printk/printk.c:2504)
[   39.068655][ T1003]  ? snapshot_read.cold (user.c:?)
[   39.068659][ T1003]  ? br_multicast_flood (??:?)
[   39.068662][ T1003]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   39.068663][ T1003]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   39.068665][ T1003]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.068669][ T1003]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   39.068673][ T1003]  br_init_port (net/bridge/br_stp_if.c:39)
[   39.068675][ T1003]  new_nbp (net/bridge/br_if.c:449)
[   39.068679][ T1003]  br_add_if (net/bridge/br_if.c:592)
[   39.068681][ T1003]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   39.068690][ T1003]  do_set_master (net/core/rtnetlink.c:3071)
[   39.068694][ T1003]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   39.068697][ T1003]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   39.068699][ T1003]  ? __dev_get_by_name (net/core/dev.c:905)
[   39.068701][ T1003]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   39.068710][ T1003]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   39.068717][ T1003]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.068722][ T1003]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.068724][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.068731][ T1003]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.068734][ T1003]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.068736][ T1003]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.068739][ T1003]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.068741][ T1003]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.068745][ T1003]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.068747][ T1003]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.068751][ T1003]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.068754][ T1003]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.068757][ T1003]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.068763][ T1003]  ? 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))
[   39.068765][ T1003]  ? 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))
[   39.068770][ T1003]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.068774][ T1003]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.068779][ T1003]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.068783][ T1003]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.068787][ T1003]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.068789][ T1003]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.068794][ T1003]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.068798][ T1003]  ____sys_sendmsg (net/socket.c:2713)
[   39.068800][ T1003]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.068802][ T1003]  ? sock_write_iter (net/socket.c:1269)
[   39.068804][ T1003]  ? move_addr_to_kernel (net/socket.c:258)
[   39.068808][ T1003]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   39.068811][ T1003]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.068815][ T1003]  ___sys_sendmsg (net/socket.c:2767)
[   39.068816][ T1003]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   39.068819][ T1003]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.068821][ T1003]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   39.068836][ T1003]  __sys_sendmsg (net/socket.c:2799)
[   39.068839][ T1003]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.068844][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.068846][ T1003]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.068849][ T1003]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.068853][ T1003]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.068855][ T1003]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.068858][ T1003] RIP: 0033:0x7faffba8b54e
[   39.068861][ T1003] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.068863][ T1003] RSP: 002b:00007ffe748c0790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.068866][ T1003] RAX: ffffffffffffffda RBX: 00007ffe748c0f58 RCX: 00007faffba8b54e
[   39.068867][ T1003] RDX: 0000000000000000 RSI: 00007ffe748c0840 RDI: 0000000000000005
[   39.068868][ T1003] RBP: 00007ffe748c07a0 R08: 0000000000000000 R09: 0000000000000000
[   39.068869][ T1003] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb30
[   39.068870][ T1003] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe748c0f10
| [   46.045578][   T68] softirqs last disabled at (576220): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   46.045580][   T68] Preemption disabled at:
| [   46.045581][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.045589][   T68] Tainted: [W]=WARN
[   46.045590][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.045592][   T68] Workqueue: netns cleanup_net
[   46.045595][   T68] Call Trace:
[   46.045597][   T68]  <TASK>
[   46.045599][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.045605][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.045606][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.045611][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.045614][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.045619][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.045621][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.045628][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.045631][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.045634][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   46.045637][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.045638][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.045642][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.045645][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.045649][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.045653][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.045659][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.045662][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.045667][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.045671][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.045673][   T68]  ? 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))
[   46.045676][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.045678][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.045686][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.045690][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.045692][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.045697][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.045700][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.045702][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.045704][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   46.045708][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.045710][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.045712][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.045716][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.045717][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   46.045719][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.045720][   T68]  ? kthread (kernel/kthread.c:436)
[   46.045723][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   46.045726][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   46.045730][   T68]  _printk (kernel/printk/printk.c:2504)
[   46.045734][   T68]  ? snapshot_read.cold (user.c:?)
[   46.045738][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.045742][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.045746][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.045749][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   46.045754][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.045755][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   46.045758][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   46.045760][   T68]  ? 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)
[   46.045762][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   46.045766][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   46.045770][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   46.045777][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   46.045780][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   46.045784][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   46.045787][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.045791][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   46.045793][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.045796][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   46.045801][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   46.045804][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   46.045808][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.045810][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.045813][   T68]  process_one_work (kernel/workqueue.c:3387)
[   46.045820][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   46.045823][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.045831][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   46.045835][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   46.045837][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   46.045839][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   46.045842][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   46.045844][   T68]  kthread (kernel/kthread.c:436)
[   46.045846][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.045850][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.045852][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.045855][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   46.045859][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.045862][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   46.045865][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.128590][ T1151] softirqs last disabled at (17028): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   47.128593][ T1151] Preemption disabled at:
| [   47.128593][ T1151] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.128602][ T1151] Tainted: [W]=WARN
[   47.128603][ T1151] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.128605][ T1151] Call Trace:
[   47.128606][ T1151]  <TASK>
[   47.128608][ T1151]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.128613][ T1151]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.128615][ T1151]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.128620][ T1151]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.128624][ T1151]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.128628][ T1151]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.128630][ T1151]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.128636][ T1151]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.128639][ T1151]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.128643][ T1151]  put_chars (drivers/char/virtio_console.c:1176)
[   47.128645][ T1151]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.128651][ T1151]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.128658][ T1151]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.128662][ T1151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.128666][ T1151]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.128670][ T1151]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.128672][ T1151]  ? 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))
[   47.128675][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128678][ T1151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.128685][ T1151]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.128689][ T1151]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.128691][ T1151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.128697][ T1151]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.128699][ T1151]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.128701][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128703][ T1151]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   47.128706][ T1151]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.128708][ T1151]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.128711][ T1151]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.128714][ T1151]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.128716][ T1151]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   47.128721][ T1151]  _printk (kernel/printk/printk.c:2504)
[   47.128724][ T1151]  ? snapshot_read.cold (user.c:?)
[   47.128726][ T1151]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.128729][ T1151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.128732][ T1151]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.128734][ T1151]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.128738][ T1151]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.128741][ T1151]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.128743][ T1151]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.128746][ T1151]  ? netdev_notice (net/core/dev.c:13194)
[   47.128748][ T1151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.128751][ T1151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.128754][ T1151]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.128757][ T1151]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.128759][ T1151]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   47.128761][ T1151]  ? register_netdev (net/core/dev.c:11618)
[   47.128762][ T1151]  ? 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))
[   47.128768][ T1151]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   47.128770][ T1151]  ? __kernel_text_address (kernel/extable.c:79)
[   47.128773][ T1151]  ? write_profile (profile.c:?)
[   47.128777][ T1151]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   47.128782][ T1151]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   47.128786][ T1151]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.128788][ T1151]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.128789][ T1151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.128791][ T1151]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.128794][ T1151]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.128796][ T1151]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.128798][ T1151]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.128800][ T1151]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.128802][ T1151]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.128803][ T1151]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.128804][ T1151]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.128807][ T1151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.128808][ T1151]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   47.128812][ T1151]  ? ___sys_sendmsg (net/socket.c:2758)
[   47.128815][ T1151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.128817][ T1151]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.128820][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128821][ T1151]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.128823][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128824][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128826][ T1151]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.128828][ T1151]  ? __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)
[   47.128829][ T1151]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.128831][ T1151]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.128834][ T1151]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.128835][ T1151]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.128840][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128843][ T1151]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.128848][ T1151]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.128853][ T1151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.128855][ T1151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.128859][ T1151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.128861][ T1151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.128863][ T1151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.128864][ T1151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.128868][ T1151]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.128870][ T1151]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.128873][ T1151]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.128874][ T1151]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.128879][ T1151]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.128880][ T1151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.128884][ T1151]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.128887][ T1151]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.128890][ T1151]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.128896][ T1151]  ? 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))
[   47.128898][ T1151]  ? 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))
[   47.128902][ T1151]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.128906][ T1151]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.128909][ T1151]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.128913][ T1151]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.128916][ T1151]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.128920][ T1151]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.128922][ T1151]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.128927][ T1151]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.128930][ T1151]  ____sys_sendmsg (net/socket.c:2713)
[   47.128932][ T1151]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.128934][ T1151]  ? sock_write_iter (net/socket.c:1269)
[   47.128935][ T1151]  ? move_addr_to_kernel (net/socket.c:258)
[   47.128943][ T1151]  ___sys_sendmsg (net/socket.c:2767)
[   47.128945][ T1151]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.128961][ T1151]  __sys_sendmsg (net/socket.c:2799)
[   47.128963][ T1151]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.128970][ T1151]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.128972][ T1151]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.128976][ T1151]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.128978][ T1151]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.128980][ T1151] RIP: 0033:0x7f9a9f09b54e
[   47.128984][ T1151] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.128986][ T1151] RSP: 002b:00007ffc8d2d4bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.128988][ T1151] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9a9f09b54e
[   47.128990][ T1151] RDX: 0000000000000000 RSI: 00007ffc8d2d4c70 RDI: 0000000000000005
[   47.128991][ T1151] RBP: 00007ffc8d2d4bd0 R08: 0000000000000000 R09: 0000000000000000
[   47.128992][ T1151] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb38
[   47.128992][ T1151] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8d2d5330
| [   48.908056][ T1225] softirqs last disabled at (25596): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   48.908062][ T1225] Preemption disabled at:
| [   48.908063][ T1225] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.908071][ T1225] Tainted: [W]=WARN
[   48.908072][ T1225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.908074][ T1225] Call Trace:
[   48.908075][ T1225]  <TASK>
[   48.908077][ T1225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.908083][ T1225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.908084][ T1225]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.908089][ T1225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.908093][ T1225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.908098][ T1225]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.908099][ T1225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.908106][ T1225]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.908109][ T1225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.908113][ T1225]  put_chars (drivers/char/virtio_console.c:1176)
[   48.908115][ T1225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.908116][ T1225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.908120][ T1225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.908122][ T1225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.908127][ T1225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.908131][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.908136][ T1225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.908139][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.908144][ T1225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.908148][ T1225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.908150][ T1225]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.908153][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.908154][ T1225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.908158][ T1225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.908163][ T1225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.908164][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.908170][ T1225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.908172][ T1225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.908174][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.908176][ T1225]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   48.908180][ T1225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.908181][ T1225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.908184][ T1225]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.908187][ T1225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.908189][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.908192][ T1225]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.908195][ T1225]  _printk (kernel/printk/printk.c:2504)
[   48.908199][ T1225]  ? snapshot_read.cold (user.c:?)
[   48.908202][ T1225]  ? br_multicast_flood (??:?)
[   48.908205][ T1225]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   48.908206][ T1225]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   48.908208][ T1225]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.908212][ T1225]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   48.908216][ T1225]  br_init_port (net/bridge/br_stp_if.c:39)
[   48.908218][ T1225]  new_nbp (net/bridge/br_if.c:449)
[   48.908222][ T1225]  br_add_if (net/bridge/br_if.c:592)
[   48.908224][ T1225]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   48.908231][ T1225]  do_set_master (net/core/rtnetlink.c:3071)
[   48.908235][ T1225]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   48.908239][ T1225]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   48.908240][ T1225]  ? __dev_get_by_name (net/core/dev.c:905)
[   48.908242][ T1225]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   48.908252][ T1225]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   48.908258][ T1225]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.908263][ T1225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.908265][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.908272][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.908276][ T1225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.908278][ T1225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.908281][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.908282][ T1225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.908286][ T1225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.908288][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.908292][ T1225]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.908295][ T1225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.908298][ T1225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.908304][ T1225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.908306][ T1225]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.908310][ T1225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.908314][ T1225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.908320][ T1225]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.908324][ T1225]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.908327][ T1225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.908329][ T1225]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.908334][ T1225]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.908338][ T1225]  ____sys_sendmsg (net/socket.c:2713)
[   48.908340][ T1225]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.908342][ T1225]  ? sock_write_iter (net/socket.c:1269)
[   48.908344][ T1225]  ? move_addr_to_kernel (net/socket.c:258)
[   48.908349][ T1225]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   48.908351][ T1225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.908355][ T1225]  ___sys_sendmsg (net/socket.c:2767)
[   48.908356][ T1225]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   48.908359][ T1225]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.908361][ T1225]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   48.908376][ T1225]  __sys_sendmsg (net/socket.c:2799)
[   48.908379][ T1225]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.908384][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.908386][ T1225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.908389][ T1225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.908392][ T1225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.908395][ T1225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.908398][ T1225] RIP: 0033:0x7f6483b0754e
[   48.908401][ T1225] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.908403][ T1225] RSP: 002b:00007ffd11a38600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.908406][ T1225] RAX: ffffffffffffffda RBX: 00007ffd11a38dc8 RCX: 00007f6483b0754e
[   48.908407][ T1225] RDX: 0000000000000000 RSI: 00007ffd11a386b0 RDI: 0000000000000005
[   48.908408][ T1225] RBP: 00007ffd11a38610 R08: 0000000000000000 R09: 0000000000000000
[   48.908409][ T1225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb3a
[   48.908410][ T1225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd11a38d80
| [   49.983418][ T1264] softirqs last disabled at (20160): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   49.983420][ T1264] Preemption disabled at:
| [   49.983421][ T1264] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.983430][ T1264] Tainted: [W]=WARN
[   49.983431][ T1264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.983432][ T1264] Call Trace:
[   49.983434][ T1264]  <TASK>
[   49.983435][ T1264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.983441][ T1264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.983443][ T1264]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.983447][ T1264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.983451][ T1264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   49.983456][ T1264]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   49.983458][ T1264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.983464][ T1264]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   49.983467][ T1264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.983471][ T1264]  put_chars (drivers/char/virtio_console.c:1176)
[   49.983473][ T1264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.983480][ T1264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.983488][ T1264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.983491][ T1264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.983496][ T1264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.983500][ T1264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.983502][ T1264]  ? 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))
[   49.983505][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983508][ T1264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.983512][ T1264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.983516][ T1264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.983518][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.983523][ T1264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.983526][ T1264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.983528][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983530][ T1264]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   49.983534][ T1264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.983535][ T1264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.983538][ T1264]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.983541][ T1264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.983544][ T1264]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   49.983549][ T1264]  _printk (kernel/printk/printk.c:2504)
[   49.983552][ T1264]  ? snapshot_read.cold (user.c:?)
[   49.983554][ T1264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.983557][ T1264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.983559][ T1264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.983561][ T1264]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.983565][ T1264]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.983568][ T1264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.983570][ T1264]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.983573][ T1264]  ? netdev_notice (net/core/dev.c:13194)
[   49.983576][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.983579][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.983581][ T1264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   49.983585][ T1264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.983587][ T1264]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   49.983589][ T1264]  ? register_netdev (net/core/dev.c:11618)
[   49.983591][ T1264]  ? 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))
[   49.983596][ T1264]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   49.983598][ T1264]  ? __kernel_text_address (kernel/extable.c:79)
[   49.983601][ T1264]  ? write_profile (profile.c:?)
[   49.983605][ T1264]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   49.983611][ T1264]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   49.983614][ T1264]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.983616][ T1264]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.983618][ T1264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   49.983619][ T1264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   49.983623][ T1264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   49.983625][ T1264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   49.983626][ T1264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   49.983629][ T1264]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.983631][ T1264]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.983632][ T1264]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.983633][ T1264]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.983636][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.983637][ T1264]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   49.983640][ T1264]  ? ___sys_sendmsg (net/socket.c:2758)
[   49.983644][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.983646][ T1264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.983649][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983651][ T1264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.983652][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983653][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983655][ T1264]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.983657][ T1264]  ? __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)
[   49.983659][ T1264]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.983661][ T1264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.983664][ T1264]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.983665][ T1264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.983670][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983672][ T1264]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.983678][ T1264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.983686][ T1264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.983688][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.983693][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.983695][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.983697][ T1264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.983699][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.983702][ T1264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.983705][ T1264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.983708][ T1264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.983709][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   49.983713][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   49.983715][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.983719][ T1264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.983722][ T1264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.983725][ T1264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.983731][ T1264]  ? 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))
[   49.983733][ T1264]  ? 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))
[   49.983738][ T1264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.983742][ T1264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.983744][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   49.983748][ T1264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.983752][ T1264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.983756][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   49.983758][ T1264]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   49.983763][ T1264]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   49.983766][ T1264]  ____sys_sendmsg (net/socket.c:2713)
[   49.983768][ T1264]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.983771][ T1264]  ? sock_write_iter (net/socket.c:1269)
[   49.983772][ T1264]  ? move_addr_to_kernel (net/socket.c:258)
[   49.983779][ T1264]  ___sys_sendmsg (net/socket.c:2767)
[   49.983782][ T1264]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.983798][ T1264]  __sys_sendmsg (net/socket.c:2799)
[   49.983801][ T1264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.983807][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.983810][ T1264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.983813][ T1264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.983816][ T1264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.983818][ T1264] RIP: 0033:0x7f04c49ca54e
[   49.983822][ T1264] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   49.983824][ T1264] RSP: 002b:00007ffe430b7670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.983826][ T1264] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f04c49ca54e
[   49.983828][ T1264] RDX: 0000000000000000 RSI: 00007ffe430b7720 RDI: 0000000000000005
[   49.983829][ T1264] RBP: 00007ffe430b7680 R08: 0000000000000000 R09: 0000000000000000
[   49.983830][ T1264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb3b
[   49.983830][ T1264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe430b7de0
| [   51.714425][ T1321] softirqs last disabled at (25408): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   51.714427][ T1321] Preemption disabled at:
| [   51.714427][ T1321] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.714436][ T1321] Tainted: [W]=WARN
[   51.714437][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.714438][ T1321] Call Trace:
[   51.714440][ T1321]  <TASK>
[   51.714441][ T1321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.714447][ T1321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.714449][ T1321]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.714453][ T1321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.714458][ T1321]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.714462][ T1321]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.714464][ T1321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.714470][ T1321]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.714473][ T1321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.714477][ T1321]  put_chars (drivers/char/virtio_console.c:1176)
[   51.714479][ T1321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.714480][ T1321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.714484][ T1321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.714487][ T1321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.714491][ T1321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.714495][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714500][ T1321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.714503][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714508][ T1321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.714512][ T1321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.714514][ T1321]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   51.714517][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714519][ T1321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.714522][ T1321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.714527][ T1321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.714529][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714534][ T1321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.714536][ T1321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.714538][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714540][ T1321]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   51.714544][ T1321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.714545][ T1321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.714548][ T1321]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.714551][ T1321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.714553][ T1321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.714556][ T1321]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.714559][ T1321]  _printk (kernel/printk/printk.c:2504)
[   51.714563][ T1321]  ? snapshot_read.cold (user.c:?)
[   51.714566][ T1321]  ? br_multicast_flood (??:?)
[   51.714569][ T1321]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   51.714571][ T1321]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   51.714572][ T1321]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.714576][ T1321]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   51.714580][ T1321]  br_init_port (net/bridge/br_stp_if.c:39)
[   51.714583][ T1321]  new_nbp (net/bridge/br_if.c:449)
[   51.714587][ T1321]  br_add_if (net/bridge/br_if.c:592)
[   51.714589][ T1321]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   51.714596][ T1321]  do_set_master (net/core/rtnetlink.c:3071)
[   51.714599][ T1321]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   51.714603][ T1321]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   51.714604][ T1321]  ? __dev_get_by_name (net/core/dev.c:905)
[   51.714607][ T1321]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   51.714616][ T1321]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   51.714622][ T1321]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.714628][ T1321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.714629][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714636][ T1321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.714640][ T1321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.714642][ T1321]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.714645][ T1321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.714646][ T1321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714651][ T1321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.714653][ T1321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.714656][ T1321]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.714659][ T1321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.714662][ T1321]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.714668][ T1321]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.714670][ T1321]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.714675][ T1321]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.714679][ T1321]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.714686][ T1321]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.714690][ T1321]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.714694][ T1321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.714695][ T1321]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   51.714701][ T1321]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.714704][ T1321]  ____sys_sendmsg (net/socket.c:2713)
[   51.714707][ T1321]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.714709][ T1321]  ? sock_write_iter (net/socket.c:1269)
[   51.714710][ T1321]  ? move_addr_to_kernel (net/socket.c:258)
[   51.714715][ T1321]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   51.714718][ T1321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.714721][ T1321]  ___sys_sendmsg (net/socket.c:2767)
[   51.714723][ T1321]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   51.714725][ T1321]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.714728][ T1321]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   51.714742][ T1321]  __sys_sendmsg (net/socket.c:2799)
[   51.714745][ T1321]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.714751][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714752][ T1321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714755][ T1321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.714759][ T1321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.714762][ T1321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.714764][ T1321] RIP: 0033:0x7f286332754e
[   51.714768][ T1321] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.714770][ T1321] RSP: 002b:00007ffe1e2ebf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.714772][ T1321] RAX: ffffffffffffffda RBX: 00007ffe1e2ec6e8 RCX: 00007f286332754e
[   51.714774][ T1321] RDX: 0000000000000000 RSI: 00007ffe1e2ebfd0 RDI: 0000000000000005
[   51.714775][ T1321] RBP: 00007ffe1e2ebf30 R08: 0000000000000000 R09: 0000000000000000
[   51.714776][ T1321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb3d
[   51.714776][ T1321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1e2ec6a0
| [   58.617443][   T68] softirqs last disabled at (835034): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   58.617445][   T68] Preemption disabled at:
| [   58.617446][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.617454][   T68] Tainted: [W]=WARN
[   58.617455][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.617457][   T68] Workqueue: netns cleanup_net
[   58.617460][   T68] Call Trace:
[   58.617462][   T68]  <TASK>
[   58.617463][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.617469][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.617471][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.617475][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.617479][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.617483][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   58.617485][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.617492][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.617495][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.617499][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   58.617501][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.617502][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.617506][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.617509][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.617514][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.617518][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.617523][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.617526][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.617531][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.617535][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.617537][   T68]  ? 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))
[   58.617540][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.617542][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.617546][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.617550][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.617552][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.617557][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.617560][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.617562][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.617564][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   58.617568][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.617570][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.617572][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.617576][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.617577][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   58.617579][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   58.617581][   T68]  ? kthread (kernel/kthread.c:436)
[   58.617583][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   58.617586][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   58.617591][   T68]  _printk (kernel/printk/printk.c:2504)
[   58.617594][   T68]  ? snapshot_read.cold (user.c:?)
[   58.617599][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   58.617602][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   58.617606][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   58.617609][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   58.617613][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.617615][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   58.617618][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   58.617620][   T68]  ? 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)
[   58.617622][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   58.617626][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   58.617630][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   58.617636][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   58.617640][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   58.617644][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   58.617647][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   58.617651][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   58.617653][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.617656][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   58.617661][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   58.617664][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   58.617668][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.617670][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.617673][   T68]  process_one_work (kernel/workqueue.c:3387)
[   58.617680][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   58.617686][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.617693][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   58.617698][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.617700][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.617702][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.617705][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   58.617707][   T68]  kthread (kernel/kthread.c:436)
[   58.617709][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.617712][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   58.617715][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.617718][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   58.617721][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.617725][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   58.617727][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   59.694171][ T1469] softirqs last disabled at (14968): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   59.694174][ T1469] Preemption disabled at:
| [   59.694174][ T1469] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.694182][ T1469] Tainted: [W]=WARN
[   59.694183][ T1469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.694185][ T1469] Call Trace:
[   59.694186][ T1469]  <TASK>
[   59.694188][ T1469]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.694194][ T1469]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.694195][ T1469]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.694200][ T1469]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.694204][ T1469]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   59.694208][ T1469]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   59.694210][ T1469]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.694217][ T1469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.694219][ T1469]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.694223][ T1469]  put_chars (drivers/char/virtio_console.c:1176)
[   59.694225][ T1469]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.694231][ T1469]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.694238][ T1469]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.694241][ T1469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.694246][ T1469]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.694250][ T1469]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.694252][ T1469]  ? 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))
[   59.694255][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694257][ T1469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.694261][ T1469]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.694265][ T1469]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.694267][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.694272][ T1469]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.694275][ T1469]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.694277][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694278][ T1469]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   59.694282][ T1469]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.694284][ T1469]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.694286][ T1469]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.694289][ T1469]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.694292][ T1469]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   59.694297][ T1469]  _printk (kernel/printk/printk.c:2504)
[   59.694300][ T1469]  ? snapshot_read.cold (user.c:?)
[   59.694302][ T1469]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.694304][ T1469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.694307][ T1469]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.694309][ T1469]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.694313][ T1469]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.694316][ T1469]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.694318][ T1469]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.694321][ T1469]  ? netdev_notice (net/core/dev.c:13194)
[   59.694323][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.694326][ T1469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.694329][ T1469]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   59.694332][ T1469]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.694334][ T1469]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   59.694336][ T1469]  ? register_netdev (net/core/dev.c:11618)
[   59.694338][ T1469]  ? 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))
[   59.694343][ T1469]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   59.694346][ T1469]  ? __kernel_text_address (kernel/extable.c:79)
[   59.694348][ T1469]  ? write_profile (profile.c:?)
[   59.694352][ T1469]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.694358][ T1469]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   59.694361][ T1469]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.694363][ T1469]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.694364][ T1469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   59.694366][ T1469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   59.694369][ T1469]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   59.694371][ T1469]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   59.694373][ T1469]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   59.694375][ T1469]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.694377][ T1469]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.694378][ T1469]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.694379][ T1469]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.694381][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.694383][ T1469]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   59.694386][ T1469]  ? ___sys_sendmsg (net/socket.c:2758)
[   59.694390][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.694392][ T1469]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.694395][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694396][ T1469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.694398][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694399][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694400][ T1469]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.694403][ T1469]  ? __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)
[   59.694404][ T1469]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.694406][ T1469]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.694409][ T1469]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.694410][ T1469]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.694415][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694417][ T1469]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.694422][ T1469]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.694427][ T1469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.694429][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.694433][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.694435][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.694437][ T1469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.694438][ T1469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.694442][ T1469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.694444][ T1469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.694447][ T1469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.694448][ T1469]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   59.694453][ T1469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   59.694455][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.694458][ T1469]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.694461][ T1469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.694464][ T1469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.694470][ T1469]  ? 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))
[   59.694472][ T1469]  ? 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))
[   59.694476][ T1469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.694480][ T1469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.694483][ T1469]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   59.694487][ T1469]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.694491][ T1469]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.694494][ T1469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   59.694496][ T1469]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   59.694501][ T1469]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   59.694504][ T1469]  ____sys_sendmsg (net/socket.c:2713)
[   59.694506][ T1469]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.694508][ T1469]  ? sock_write_iter (net/socket.c:1269)
[   59.694510][ T1469]  ? move_addr_to_kernel (net/socket.c:258)
[   59.694517][ T1469]  ___sys_sendmsg (net/socket.c:2767)
[   59.694519][ T1469]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.694535][ T1469]  __sys_sendmsg (net/socket.c:2799)
[   59.694538][ T1469]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.694544][ T1469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.694546][ T1469]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.694549][ T1469]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.694552][ T1469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.694554][ T1469] RIP: 0033:0x7fb7802c554e
[   59.694558][ T1469] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.694560][ T1469] RSP: 002b:00007fff420fb770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.694563][ T1469] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb7802c554e
[   59.694564][ T1469] RDX: 0000000000000000 RSI: 00007fff420fb820 RDI: 0000000000000005
[   59.694565][ T1469] RBP: 00007fff420fb780 R08: 0000000000000000 R09: 0000000000000000
[   59.694566][ T1469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb45
[   59.694566][ T1469] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff420fbee0
| [   61.461078][ T1544] softirqs last disabled at (24228): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   61.461080][ T1544] Preemption disabled at:
| [   61.461081][ T1544] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.461090][ T1544] Tainted: [W]=WARN
[   61.461091][ T1544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.461092][ T1544] Call Trace:
[   61.461094][ T1544]  <TASK>
[   61.461095][ T1544]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.461102][ T1544]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.461103][ T1544]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.461108][ T1544]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.461113][ T1544]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.461117][ T1544]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   61.461119][ T1544]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.461125][ T1544]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.461128][ T1544]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.461132][ T1544]  put_chars (drivers/char/virtio_console.c:1176)
[   61.461135][ T1544]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.461136][ T1544]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.461139][ T1544]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.461142][ T1544]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.461152][ T1544]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.461156][ T1544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.461161][ T1544]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.461164][ T1544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.461169][ T1544]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.461173][ T1544]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.461175][ T1544]  ? 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))
[   61.461178][ T1544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.461180][ T1544]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.461184][ T1544]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.461188][ T1544]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.461190][ T1544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.461195][ T1544]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.461198][ T1544]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.461200][ T1544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.461201][ T1544]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   61.461205][ T1544]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.461207][ T1544]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.461210][ T1544]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.461213][ T1544]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.461214][ T1544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.461217][ T1544]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.461221][ T1544]  _printk (kernel/printk/printk.c:2504)
[   61.461224][ T1544]  ? snapshot_read.cold (user.c:?)
[   61.461228][ T1544]  ? br_multicast_flood (??:?)
[   61.461231][ T1544]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   61.461232][ T1544]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   61.461233][ T1544]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.461237][ T1544]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   61.461242][ T1544]  br_init_port (net/bridge/br_stp_if.c:39)
[   61.461244][ T1544]  new_nbp (net/bridge/br_if.c:449)
[   61.461250][ T1544]  br_add_if (net/bridge/br_if.c:592)
[   61.461253][ T1544]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   61.461262][ T1544]  do_set_master (net/core/rtnetlink.c:3071)
[   61.461265][ T1544]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   61.461269][ T1544]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   61.461270][ T1544]  ? __dev_get_by_name (net/core/dev.c:905)
[   61.461273][ T1544]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   61.461282][ T1544]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   61.461288][ T1544]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.461294][ T1544]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.461296][ T1544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.461302][ T1544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.461306][ T1544]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.461308][ T1544]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.461311][ T1544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.461312][ T1544]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.461320][ T1544]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.461322][ T1544]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.461325][ T1544]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.461328][ T1544]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.461331][ T1544]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.461338][ T1544]  ? 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))
[   61.461340][ T1544]  ? 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))
[   61.461344][ T1544]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.461348][ T1544]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.461354][ T1544]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.461357][ T1544]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.461364][ T1544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.461366][ T1544]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.461371][ T1544]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.461375][ T1544]  ____sys_sendmsg (net/socket.c:2713)
[   61.461377][ T1544]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.461379][ T1544]  ? sock_write_iter (net/socket.c:1269)
[   61.461381][ T1544]  ? move_addr_to_kernel (net/socket.c:258)
[   61.461386][ T1544]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   61.461388][ T1544]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.461392][ T1544]  ___sys_sendmsg (net/socket.c:2767)
[   61.461393][ T1544]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   61.461396][ T1544]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.461398][ T1544]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   61.461416][ T1544]  __sys_sendmsg (net/socket.c:2799)
[   61.461419][ T1544]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.461424][ T1544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.461426][ T1544]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.461429][ T1544]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.461432][ T1544]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.461435][ T1544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.461437][ T1544] RIP: 0033:0x7f28c5a7754e
[   61.461442][ T1544] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.461444][ T1544] RSP: 002b:00007ffe9d841d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.461447][ T1544] RAX: ffffffffffffffda RBX: 00007ffe9d842528 RCX: 00007f28c5a7754e
[   61.461448][ T1544] RDX: 0000000000000000 RSI: 00007ffe9d841e10 RDI: 0000000000000005
[   61.461449][ T1544] RBP: 00007ffe9d841d70 R08: 0000000000000000 R09: 0000000000000000
[   61.461450][ T1544] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb46
[   61.461451][ T1544] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d8424e0
| [   62.565771][ T1583] softirqs last disabled at (25984): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   62.565774][ T1583] Preemption disabled at:
| [   62.565774][ T1583] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.565783][ T1583] Tainted: [W]=WARN
[   62.565783][ T1583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.565785][ T1583] Call Trace:
[   62.565787][ T1583]  <TASK>
[   62.565788][ T1583]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.565794][ T1583]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.565795][ T1583]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.565800][ T1583]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.565804][ T1583]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.565808][ T1583]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   62.565810][ T1583]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.565816][ T1583]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.565819][ T1583]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.565823][ T1583]  put_chars (drivers/char/virtio_console.c:1176)
[   62.565825][ T1583]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.565831][ T1583]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.565839][ T1583]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.565842][ T1583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.565846][ T1583]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.565850][ T1583]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.565852][ T1583]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   62.565855][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.565858][ T1583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.565862][ T1583]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.565866][ T1583]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.565868][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.565873][ T1583]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.565876][ T1583]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.565878][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.565880][ T1583]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   62.565884][ T1583]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.565885][ T1583]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.565888][ T1583]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.565891][ T1583]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.565894][ T1583]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   62.565899][ T1583]  _printk (kernel/printk/printk.c:2504)
[   62.565902][ T1583]  ? snapshot_read.cold (user.c:?)
[   62.565904][ T1583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.565907][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.565909][ T1583]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.565911][ T1583]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   62.565915][ T1583]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   62.565918][ T1583]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.565920][ T1583]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   62.565923][ T1583]  ? netdev_notice (net/core/dev.c:13194)
[   62.565926][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.565929][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.565931][ T1583]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.565935][ T1583]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.565937][ T1583]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   62.565939][ T1583]  ? register_netdev (net/core/dev.c:11618)
[   62.565940][ T1583]  ? 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))
[   62.565946][ T1583]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   62.565948][ T1583]  ? __kernel_text_address (kernel/extable.c:79)
[   62.565950][ T1583]  ? write_profile (profile.c:?)
[   62.565954][ T1583]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   62.565960][ T1583]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   62.565963][ T1583]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   62.565965][ T1583]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   62.565967][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.565968][ T1583]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.565972][ T1583]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   62.565974][ T1583]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.565976][ T1583]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   62.565978][ T1583]  ? kasan_save_stack (mm/kasan/common.c:58)
[   62.565980][ T1583]  ? kasan_save_stack (mm/kasan/common.c:57)
[   62.565981][ T1583]  ? kasan_save_track (mm/kasan/common.c:78)
[   62.565982][ T1583]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.565985][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.565987][ T1583]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   62.565990][ T1583]  ? ___sys_sendmsg (net/socket.c:2758)
[   62.565993][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.565995][ T1583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.565998][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.566000][ T1583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.566001][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.566002][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.566004][ T1583]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   62.566006][ T1583]  ? __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)
[   62.566007][ T1583]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.566009][ T1583]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   62.566012][ T1583]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   62.566014][ T1583]  ? nla_get_range_signed (lib/nlattr.c:270)
[   62.566018][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.566020][ T1583]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   62.566026][ T1583]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.566031][ T1583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.566033][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.566037][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.566039][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.566041][ T1583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.566043][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.566047][ T1583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.566049][ T1583]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.566052][ T1583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.566053][ T1583]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.566057][ T1583]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.566059][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.566063][ T1583]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.566066][ T1583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.566069][ T1583]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.566075][ T1583]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.566077][ T1583]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.566081][ T1583]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.566085][ T1583]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.566088][ T1583]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.566092][ T1583]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.566096][ T1583]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.566100][ T1583]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.566101][ T1583]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   62.566107][ T1583]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   62.566109][ T1583]  ____sys_sendmsg (net/socket.c:2713)
[   62.566112][ T1583]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.566114][ T1583]  ? sock_write_iter (net/socket.c:1269)
[   62.566115][ T1583]  ? move_addr_to_kernel (net/socket.c:258)
[   62.566123][ T1583]  ___sys_sendmsg (net/socket.c:2767)
[   62.566125][ T1583]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.566141][ T1583]  __sys_sendmsg (net/socket.c:2799)
[   62.566144][ T1583]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.566150][ T1583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.566158][ T1583]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.566161][ T1583]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.566164][ T1583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.566166][ T1583] RIP: 0033:0x7f2ebe6ee54e
[   62.566170][ T1583] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.566172][ T1583] RSP: 002b:00007ffdd3057df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.566174][ T1583] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2ebe6ee54e
[   62.566176][ T1583] RDX: 0000000000000000 RSI: 00007ffdd3057ea0 RDI: 0000000000000005
[   62.566177][ T1583] RBP: 00007ffdd3057e00 R08: 0000000000000000 R09: 0000000000000000
[   62.566177][ T1583] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb47
[   62.566178][ T1583] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd3058560
| [   64.264421][ T1633] softirqs last disabled at (19360): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   64.264423][ T1633] Preemption disabled at:
| [   64.264424][ T1633] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.264432][ T1633] Tainted: [W]=WARN
[   64.264432][ T1633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.264434][ T1633] Call Trace:
[   64.264436][ T1633]  <TASK>
[   64.264437][ T1633]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.264443][ T1633]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.264445][ T1633]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.264449][ T1633]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.264453][ T1633]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.264458][ T1633]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   64.264460][ T1633]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.264466][ T1633]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.264469][ T1633]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.264472][ T1633]  put_chars (drivers/char/virtio_console.c:1176)
[   64.264475][ T1633]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.264476][ T1633]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.264479][ T1633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.264482][ T1633]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.264487][ T1633]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.264491][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.264496][ T1633]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.264499][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.264503][ T1633]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.264507][ T1633]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.264509][ T1633]  ? 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))
[   64.264512][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.264514][ T1633]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.264518][ T1633]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.264522][ T1633]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.264524][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.264529][ T1633]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.264532][ T1633]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.264534][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.264535][ T1633]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   64.264539][ T1633]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.264541][ T1633]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.264543][ T1633]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.264546][ T1633]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.264548][ T1633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.264551][ T1633]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.264554][ T1633]  _printk (kernel/printk/printk.c:2504)
[   64.264558][ T1633]  ? snapshot_read.cold (user.c:?)
[   64.264561][ T1633]  ? br_multicast_flood (??:?)
[   64.264564][ T1633]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   64.264565][ T1633]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   64.264566][ T1633]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.264571][ T1633]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   64.264575][ T1633]  br_init_port (net/bridge/br_stp_if.c:39)
[   64.264577][ T1633]  new_nbp (net/bridge/br_if.c:449)
[   64.264581][ T1633]  br_add_if (net/bridge/br_if.c:592)
[   64.264583][ T1633]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   64.264590][ T1633]  do_set_master (net/core/rtnetlink.c:3071)
[   64.264594][ T1633]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   64.264597][ T1633]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   64.264599][ T1633]  ? __dev_get_by_name (net/core/dev.c:905)
[   64.264601][ T1633]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   64.264611][ T1633]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   64.264617][ T1633]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.264622][ T1633]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.264624][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.264631][ T1633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.264634][ T1633]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.264636][ T1633]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.264639][ T1633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.264641][ T1633]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.264645][ T1633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.264647][ T1633]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.264651][ T1633]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.264654][ T1633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.264656][ T1633]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.264663][ T1633]  ? 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))
[   64.264665][ T1633]  ? 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))
[   64.264669][ T1633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.264673][ T1633]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.264679][ T1633]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.264684][ T1633]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.264688][ T1633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.264690][ T1633]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   64.264695][ T1633]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.264699][ T1633]  ____sys_sendmsg (net/socket.c:2713)
[   64.264701][ T1633]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.264703][ T1633]  ? sock_write_iter (net/socket.c:1269)
[   64.264705][ T1633]  ? move_addr_to_kernel (net/socket.c:258)
[   64.264709][ T1633]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   64.264712][ T1633]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.264716][ T1633]  ___sys_sendmsg (net/socket.c:2767)
[   64.264717][ T1633]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   64.264720][ T1633]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.264722][ T1633]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   64.264737][ T1633]  __sys_sendmsg (net/socket.c:2799)
[   64.264740][ T1633]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.264745][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.264747][ T1633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.264750][ T1633]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.264753][ T1633]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.264756][ T1633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.264758][ T1633] RIP: 0033:0x7fd47fe0254e
[   64.264762][ T1633] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.264764][ T1633] RSP: 002b:00007ffe5f016670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.264766][ T1633] RAX: ffffffffffffffda RBX: 00007ffe5f016e38 RCX: 00007fd47fe0254e
[   64.264768][ T1633] RDX: 0000000000000000 RSI: 00007ffe5f016720 RDI: 0000000000000005
[   64.264769][ T1633] RBP: 00007ffe5f016680 R08: 0000000000000000 R09: 0000000000000000
[   64.264769][ T1633] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb49
[   64.264770][ T1633] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5f016df0
| [   71.171874][   T68] softirqs last disabled at (1105710): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   71.171876][   T68] Preemption disabled at:
| [   71.171877][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.171885][   T68] Tainted: [W]=WARN
[   71.171886][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.171887][   T68] Workqueue: netns cleanup_net
[   71.171891][   T68] Call Trace:
[   71.171892][   T68]  <TASK>
[   71.171894][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.171900][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.171902][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.171906][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.171910][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   71.171915][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   71.171917][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.171923][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.171926][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.171930][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   71.171933][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.171934][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.171937][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.171940][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.171945][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.171949][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.171955][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.171958][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.171963][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.171967][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.171968][   T68]  ? 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))
[   71.171972][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.171973][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.171977][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.171982][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.171984][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.171989][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.171992][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.171994][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.171995][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   71.171999][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.172001][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.172004][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.172007][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.172008][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   71.172010][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   71.172012][   T68]  ? kthread (kernel/kthread.c:436)
[   71.172014][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   71.172017][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   71.172021][   T68]  _printk (kernel/printk/printk.c:2504)
[   71.172025][   T68]  ? snapshot_read.cold (user.c:?)
[   71.172029][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   71.172033][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   71.172037][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   71.172040][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   71.172044][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.172046][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   71.172048][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   71.172050][   T68]  ? 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)
[   71.172053][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   71.172057][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   71.172060][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   71.172067][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   71.172071][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   71.172074][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   71.172078][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   71.172081][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   71.172083][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.172086][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.172091][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   71.172094][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.172097][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.172099][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.172103][   T68]  process_one_work (kernel/workqueue.c:3387)
[   71.172109][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   71.172112][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.172120][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   71.172124][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.172126][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.172129][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.172132][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.172134][   T68]  kthread (kernel/kthread.c:436)
[   71.172135][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.172139][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   71.172142][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.172144][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   71.172148][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.172151][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   71.172154][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.242722][ T1781] softirqs last disabled at (23524): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   72.242724][ T1781] Preemption disabled at:
| [   72.242725][ T1781] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.242733][ T1781] Tainted: [W]=WARN
[   72.242734][ T1781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.242735][ T1781] Call Trace:
[   72.242737][ T1781]  <TASK>
[   72.242738][ T1781]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.242744][ T1781]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.242746][ T1781]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.242750][ T1781]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.242754][ T1781]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.242759][ T1781]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.242760][ T1781]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.242767][ T1781]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.242770][ T1781]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.242773][ T1781]  put_chars (drivers/char/virtio_console.c:1176)
[   72.242776][ T1781]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.242782][ T1781]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.242789][ T1781]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.242792][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.242797][ T1781]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.242801][ T1781]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.242803][ T1781]  ? 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))
[   72.242806][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.242808][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.242812][ T1781]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.242816][ T1781]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.242818][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.242823][ T1781]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.242826][ T1781]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.242828][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.242830][ T1781]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   72.242833][ T1781]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.242835][ T1781]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.242837][ T1781]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.242840][ T1781]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.242843][ T1781]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   72.242848][ T1781]  _printk (kernel/printk/printk.c:2504)
[   72.242851][ T1781]  ? snapshot_read.cold (user.c:?)
[   72.242853][ T1781]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.242856][ T1781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.242858][ T1781]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.242861][ T1781]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.242864][ T1781]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.242867][ T1781]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.242869][ T1781]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.242872][ T1781]  ? netdev_notice (net/core/dev.c:13194)
[   72.242874][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.242877][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.242880][ T1781]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   72.242883][ T1781]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.242885][ T1781]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   72.242887][ T1781]  ? register_netdev (net/core/dev.c:11618)
[   72.242889][ T1781]  ? 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))
[   72.242894][ T1781]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   72.242896][ T1781]  ? __kernel_text_address (kernel/extable.c:79)
[   72.242899][ T1781]  ? write_profile (profile.c:?)
[   72.242903][ T1781]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   72.242908][ T1781]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   72.242912][ T1781]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.242914][ T1781]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.242915][ T1781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.242917][ T1781]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.242920][ T1781]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.242922][ T1781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.242924][ T1781]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.242926][ T1781]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.242928][ T1781]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.242929][ T1781]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.242930][ T1781]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.242932][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.242934][ T1781]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   72.242937][ T1781]  ? ___sys_sendmsg (net/socket.c:2758)
[   72.242941][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.242943][ T1781]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.242945][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.242947][ T1781]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.242948][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.242950][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.242951][ T1781]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.242953][ T1781]  ? __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)
[   72.242955][ T1781]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.242956][ T1781]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.242960][ T1781]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.242961][ T1781]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.242966][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.242968][ T1781]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.242973][ T1781]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.242978][ T1781]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.242980][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.242984][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.242986][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.242988][ T1781]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.242990][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.242993][ T1781]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.242995][ T1781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.242998][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.243000][ T1781]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.243004][ T1781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.243006][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.243009][ T1781]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.243012][ T1781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.243015][ T1781]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.243021][ T1781]  ? 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))
[   72.243023][ T1781]  ? 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))
[   72.243027][ T1781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.243031][ T1781]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.243034][ T1781]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.243038][ T1781]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.243042][ T1781]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.243045][ T1781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.243047][ T1781]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.243052][ T1781]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.243055][ T1781]  ____sys_sendmsg (net/socket.c:2713)
[   72.243057][ T1781]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.243059][ T1781]  ? sock_write_iter (net/socket.c:1269)
[   72.243060][ T1781]  ? move_addr_to_kernel (net/socket.c:258)
[   72.243068][ T1781]  ___sys_sendmsg (net/socket.c:2767)
[   72.243070][ T1781]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.243086][ T1781]  __sys_sendmsg (net/socket.c:2799)
[   72.243088][ T1781]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.243094][ T1781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.243097][ T1781]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.243100][ T1781]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.243103][ T1781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.243105][ T1781] RIP: 0033:0x7f0afed0454e
[   72.243109][ T1781] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.243111][ T1781] RSP: 002b:00007ffc353981f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.243113][ T1781] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0afed0454e
[   72.243115][ T1781] RDX: 0000000000000000 RSI: 00007ffc353982a0 RDI: 0000000000000005
[   72.243115][ T1781] RBP: 00007ffc35398200 R08: 0000000000000000 R09: 0000000000000000
[   72.243116][ T1781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb51
[   72.243117][ T1781] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc35398960
| [   74.022618][ T1856] softirqs last disabled at (24014): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   74.022620][ T1856] Preemption disabled at:
| [   74.022620][ T1856] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.022629][ T1856] Tainted: [W]=WARN
[   74.022630][ T1856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.022631][ T1856] Call Trace:
[   74.022633][ T1856]  <TASK>
[   74.022634][ T1856]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.022640][ T1856]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.022642][ T1856]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.022646][ T1856]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.022650][ T1856]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.022655][ T1856]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.022656][ T1856]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.022663][ T1856]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.022665][ T1856]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.022669][ T1856]  put_chars (drivers/char/virtio_console.c:1176)
[   74.022672][ T1856]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.022673][ T1856]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.022676][ T1856]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.022679][ T1856]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.022686][ T1856]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.022690][ T1856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.022695][ T1856]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.022698][ T1856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.022703][ T1856]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.022707][ T1856]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.022708][ T1856]  ? 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))
[   74.022712][ T1856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.022713][ T1856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.022717][ T1856]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.022721][ T1856]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.022723][ T1856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.022728][ T1856]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.022731][ T1856]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.022733][ T1856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.022735][ T1856]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.022738][ T1856]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.022740][ T1856]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.022743][ T1856]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.022746][ T1856]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.022748][ T1856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.022750][ T1856]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   74.022754][ T1856]  _printk (kernel/printk/printk.c:2504)
[   74.022757][ T1856]  ? snapshot_read.cold (user.c:?)
[   74.022761][ T1856]  ? br_multicast_flood (??:?)
[   74.022764][ T1856]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   74.022765][ T1856]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   74.022766][ T1856]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.022770][ T1856]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   74.022775][ T1856]  br_init_port (net/bridge/br_stp_if.c:39)
[   74.022777][ T1856]  new_nbp (net/bridge/br_if.c:449)
[   74.022781][ T1856]  br_add_if (net/bridge/br_if.c:592)
[   74.022783][ T1856]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   74.022790][ T1856]  do_set_master (net/core/rtnetlink.c:3071)
[   74.022794][ T1856]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   74.022797][ T1856]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   74.022799][ T1856]  ? __dev_get_by_name (net/core/dev.c:905)
[   74.022801][ T1856]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   74.022810][ T1856]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   74.022816][ T1856]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.022822][ T1856]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.022824][ T1856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.022830][ T1856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.022834][ T1856]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.022836][ T1856]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.022839][ T1856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.022840][ T1856]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.022845][ T1856]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.022847][ T1856]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.022850][ T1856]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.022853][ T1856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.022856][ T1856]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.022863][ T1856]  ? 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))
[   74.022865][ T1856]  ? 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))
[   74.022869][ T1856]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.022873][ T1856]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.022879][ T1856]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.022882][ T1856]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.022886][ T1856]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.022888][ T1856]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.022893][ T1856]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.022897][ T1856]  ____sys_sendmsg (net/socket.c:2713)
[   74.022899][ T1856]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.022902][ T1856]  ? sock_write_iter (net/socket.c:1269)
[   74.022903][ T1856]  ? move_addr_to_kernel (net/socket.c:258)
[   74.022908][ T1856]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   74.022910][ T1856]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.022914][ T1856]  ___sys_sendmsg (net/socket.c:2767)
[   74.022915][ T1856]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   74.022918][ T1856]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.022920][ T1856]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   74.022935][ T1856]  __sys_sendmsg (net/socket.c:2799)
[   74.022938][ T1856]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.022943][ T1856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.022945][ T1856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.022948][ T1856]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.022951][ T1856]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.022954][ T1856]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.022957][ T1856] RIP: 0033:0x7f937474254e
[   74.022960][ T1856] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.022962][ T1856] RSP: 002b:00007ffdbd151660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.022965][ T1856] RAX: ffffffffffffffda RBX: 00007ffdbd151e28 RCX: 00007f937474254e
[   74.022966][ T1856] RDX: 0000000000000000 RSI: 00007ffdbd151710 RDI: 0000000000000005
[   74.022967][ T1856] RBP: 00007ffdbd151670 R08: 0000000000000000 R09: 0000000000000000
[   74.022968][ T1856] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb53
[   74.022969][ T1856] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbd151de0
| [   75.117302][ T1895] softirqs last disabled at (21469): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   75.117305][ T1895] Preemption disabled at:
| [   75.117305][ T1895] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.117314][ T1895] Tainted: [W]=WARN
[   75.117315][ T1895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.117316][ T1895] Call Trace:
[   75.117318][ T1895]  <TASK>
[   75.117319][ T1895]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.117325][ T1895]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.117327][ T1895]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.117331][ T1895]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.117335][ T1895]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.117340][ T1895]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   75.117341][ T1895]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.117348][ T1895]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   75.117351][ T1895]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.117354][ T1895]  put_chars (drivers/char/virtio_console.c:1176)
[   75.117357][ T1895]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.117363][ T1895]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.117370][ T1895]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.117373][ T1895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.117378][ T1895]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.117382][ T1895]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.117384][ T1895]  ? 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))
[   75.117387][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117389][ T1895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.117393][ T1895]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.117398][ T1895]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.117399][ T1895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.117405][ T1895]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.117407][ T1895]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.117409][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117411][ T1895]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   75.117415][ T1895]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.117417][ T1895]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.117419][ T1895]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.117422][ T1895]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.117425][ T1895]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   75.117430][ T1895]  _printk (kernel/printk/printk.c:2504)
[   75.117433][ T1895]  ? snapshot_read.cold (user.c:?)
[   75.117434][ T1895]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.117437][ T1895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.117439][ T1895]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.117441][ T1895]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   75.117445][ T1895]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   75.117448][ T1895]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.117450][ T1895]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   75.117452][ T1895]  ? netdev_notice (net/core/dev.c:13194)
[   75.117455][ T1895]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.117458][ T1895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.117460][ T1895]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   75.117464][ T1895]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.117466][ T1895]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   75.117468][ T1895]  ? register_netdev (net/core/dev.c:11618)
[   75.117470][ T1895]  ? 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))
[   75.117475][ T1895]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   75.117478][ T1895]  ? __kernel_text_address (kernel/extable.c:79)
[   75.117481][ T1895]  ? write_profile (profile.c:?)
[   75.117485][ T1895]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   75.117494][ T1895]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   75.117497][ T1895]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   75.117499][ T1895]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   75.117500][ T1895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   75.117502][ T1895]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   75.117505][ T1895]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.117507][ T1895]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.117509][ T1895]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.117512][ T1895]  ? kasan_save_stack (mm/kasan/common.c:58)
[   75.117513][ T1895]  ? kasan_save_stack (mm/kasan/common.c:57)
[   75.117515][ T1895]  ? kasan_save_track (mm/kasan/common.c:78)
[   75.117516][ T1895]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   75.117518][ T1895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.117520][ T1895]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   75.117523][ T1895]  ? ___sys_sendmsg (net/socket.c:2758)
[   75.117527][ T1895]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.117529][ T1895]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.117531][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117533][ T1895]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.117535][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117536][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117537][ T1895]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   75.117540][ T1895]  ? __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)
[   75.117541][ T1895]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   75.117543][ T1895]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   75.117546][ T1895]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   75.117547][ T1895]  ? nla_get_range_signed (lib/nlattr.c:270)
[   75.117552][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117554][ T1895]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   75.117559][ T1895]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.117564][ T1895]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.117566][ T1895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.117570][ T1895]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.117572][ T1895]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.117574][ T1895]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.117576][ T1895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.117579][ T1895]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.117581][ T1895]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.117584][ T1895]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.117586][ T1895]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.117590][ T1895]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.117592][ T1895]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.117595][ T1895]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.117598][ T1895]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.117601][ T1895]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.117607][ T1895]  ? 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))
[   75.117609][ T1895]  ? 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))
[   75.117614][ T1895]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.117618][ T1895]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.117620][ T1895]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.117624][ T1895]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.117628][ T1895]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.117632][ T1895]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.117633][ T1895]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.117638][ T1895]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.117641][ T1895]  ____sys_sendmsg (net/socket.c:2713)
[   75.117643][ T1895]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.117646][ T1895]  ? sock_write_iter (net/socket.c:1269)
[   75.117647][ T1895]  ? move_addr_to_kernel (net/socket.c:258)
[   75.117654][ T1895]  ___sys_sendmsg (net/socket.c:2767)
[   75.117657][ T1895]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.117672][ T1895]  __sys_sendmsg (net/socket.c:2799)
[   75.117675][ T1895]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.117681][ T1895]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.117684][ T1895]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.117687][ T1895]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.117690][ T1895]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.117692][ T1895] RIP: 0033:0x7f423d3c054e
[   75.117695][ T1895] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   75.117697][ T1895] RSP: 002b:00007ffe6e9792f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.117700][ T1895] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f423d3c054e
[   75.117701][ T1895] RDX: 0000000000000000 RSI: 00007ffe6e9793a0 RDI: 0000000000000005
[   75.117702][ T1895] RBP: 00007ffe6e979300 R08: 0000000000000000 R09: 0000000000000000
[   75.117703][ T1895] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb54
[   75.117704][ T1895] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6e979a60
| [   76.846717][ T1952] softirqs last disabled at (24190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   76.846719][ T1952] Preemption disabled at:
| [   76.846720][ T1952] vprintk_emit (kernel/printk/printk.c:2471)
| [   76.846728][ T1952] Tainted: [W]=WARN
[   76.846729][ T1952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.846730][ T1952] Call Trace:
[   76.846732][ T1952]  <TASK>
[   76.846733][ T1952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.846739][ T1952]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   76.846740][ T1952]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.846745][ T1952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.846749][ T1952]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   76.846753][ T1952]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   76.846755][ T1952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.846762][ T1952]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   76.846765][ T1952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.846768][ T1952]  put_chars (drivers/char/virtio_console.c:1176)
[   76.846771][ T1952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.846772][ T1952]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.846775][ T1952]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   76.846778][ T1952]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   76.846783][ T1952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.846787][ T1952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.846792][ T1952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.846795][ T1952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.846799][ T1952]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.846803][ T1952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.846805][ T1952]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   76.846808][ T1952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.846810][ T1952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.846814][ T1952]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.846818][ T1952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.846820][ T1952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.846825][ T1952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.846828][ T1952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.846829][ T1952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.846831][ T1952]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   76.846835][ T1952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.846836][ T1952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.846839][ T1952]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.846842][ T1952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.846844][ T1952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.846847][ T1952]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   76.846850][ T1952]  _printk (kernel/printk/printk.c:2504)
[   76.846854][ T1952]  ? snapshot_read.cold (user.c:?)
[   76.846857][ T1952]  ? br_multicast_flood (??:?)
[   76.846860][ T1952]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   76.846862][ T1952]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   76.846863][ T1952]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   76.846867][ T1952]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   76.846871][ T1952]  br_init_port (net/bridge/br_stp_if.c:39)
[   76.846874][ T1952]  new_nbp (net/bridge/br_if.c:449)
[   76.846877][ T1952]  br_add_if (net/bridge/br_if.c:592)
[   76.846879][ T1952]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   76.846887][ T1952]  do_set_master (net/core/rtnetlink.c:3071)
[   76.846890][ T1952]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   76.846894][ T1952]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   76.846895][ T1952]  ? __dev_get_by_name (net/core/dev.c:905)
[   76.846897][ T1952]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   76.846907][ T1952]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   76.846913][ T1952]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   76.846918][ T1952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.846920][ T1952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.846927][ T1952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.846930][ T1952]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   76.846932][ T1952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   76.846935][ T1952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.846937][ T1952]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.846941][ T1952]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.846943][ T1952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.846947][ T1952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   76.846950][ T1952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   76.846953][ T1952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   76.846959][ T1952]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   76.846961][ T1952]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   76.846965][ T1952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   76.846969][ T1952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   76.846975][ T1952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   76.846979][ T1952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   76.846982][ T1952]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.846984][ T1952]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   76.846989][ T1952]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   76.846993][ T1952]  ____sys_sendmsg (net/socket.c:2713)
[   76.846995][ T1952]  ? copy_msghdr_from_user (net/socket.c:2650)
[   76.846998][ T1952]  ? sock_write_iter (net/socket.c:1269)
[   76.846999][ T1952]  ? move_addr_to_kernel (net/socket.c:258)
[   76.847004][ T1952]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   76.847006][ T1952]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.847010][ T1952]  ___sys_sendmsg (net/socket.c:2767)
[   76.847012][ T1952]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   76.847014][ T1952]  ? copy_msghdr_from_user (net/socket.c:2619)
[   76.847016][ T1952]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   76.847031][ T1952]  __sys_sendmsg (net/socket.c:2799)
[   76.847034][ T1952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   76.847039][ T1952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.847041][ T1952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.847044][ T1952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   76.847048][ T1952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   76.847050][ T1952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   76.847053][ T1952] RIP: 0033:0x7fb6f29a354e
[   76.847057][ T1952] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   76.847058][ T1952] RSP: 002b:00007ffe4de66070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   76.847061][ T1952] RAX: ffffffffffffffda RBX: 00007ffe4de66838 RCX: 00007fb6f29a354e
[   76.847062][ T1952] RDX: 0000000000000000 RSI: 00007ffe4de66120 RDI: 0000000000000005
[   76.847063][ T1952] RBP: 00007ffe4de66080 R08: 0000000000000000 R09: 0000000000000000
[   76.847064][ T1952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb56
[   76.847065][ T1952] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4de667f0
| [   83.720426][   T68] softirqs last disabled at (1386820): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   83.720428][   T68] Preemption disabled at:
| [   83.720429][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.720437][   T68] Tainted: [W]=WARN
[   83.720438][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.720439][   T68] Workqueue: netns cleanup_net
[   83.720442][   T68] Call Trace:
[   83.720444][   T68]  <TASK>
[   83.720446][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.720452][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.720453][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.720458][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.720462][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   83.720466][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   83.720468][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.720475][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   83.720477][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.720481][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   83.720483][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.720484][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.720488][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.720491][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.720496][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.720500][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.720505][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.720509][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.720514][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.720518][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.720519][   T68]  ? 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))
[   83.720523][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.720524][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.720528][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.720533][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.720535][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.720540][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.720543][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.720545][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.720547][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   83.720551][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.720552][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.720555][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.720558][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.720560][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   83.720561][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   83.720563][   T68]  ? kthread (kernel/kthread.c:436)
[   83.720566][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   83.720569][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   83.720573][   T68]  _printk (kernel/printk/printk.c:2504)
[   83.720577][   T68]  ? snapshot_read.cold (user.c:?)
[   83.720581][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.720585][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.720589][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.720592][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   83.720596][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.720598][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   83.720600][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   83.720602][   T68]  ? 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)
[   83.720605][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   83.720609][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   83.720612][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   83.720619][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   83.720622][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   83.720626][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   83.720629][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   83.720633][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   83.720634][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.720638][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   83.720642][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   83.720646][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   83.720649][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.720651][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.720655][   T68]  process_one_work (kernel/workqueue.c:3387)
[   83.720661][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   83.720664][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.720672][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   83.720676][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   83.720679][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   83.720685][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   83.720688][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   83.720690][   T68]  kthread (kernel/kthread.c:436)
[   83.720692][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   83.720696][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   83.720698][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   83.720701][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   83.720705][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   83.720708][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   83.720711][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   84.825432][ T2100] softirqs last disabled at (15032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   84.825434][ T2100] Preemption disabled at:
| [   84.825435][ T2100] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.825443][ T2100] Tainted: [W]=WARN
[   84.825444][ T2100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.825446][ T2100] Call Trace:
[   84.825447][ T2100]  <TASK>
[   84.825449][ T2100]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.825454][ T2100]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.825456][ T2100]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.825461][ T2100]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.825465][ T2100]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.825469][ T2100]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   84.825471][ T2100]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.825477][ T2100]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   84.825480][ T2100]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.825484][ T2100]  put_chars (drivers/char/virtio_console.c:1176)
[   84.825486][ T2100]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.825492][ T2100]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.825500][ T2100]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.825503][ T2100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.825507][ T2100]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.825511][ T2100]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.825513][ T2100]  ? 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))
[   84.825516][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825518][ T2100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.825522][ T2100]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.825526][ T2100]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.825528][ T2100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.825533][ T2100]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.825536][ T2100]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.825537][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825539][ T2100]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   84.825543][ T2100]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.825545][ T2100]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.825547][ T2100]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.825550][ T2100]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.825553][ T2100]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   84.825557][ T2100]  _printk (kernel/printk/printk.c:2504)
[   84.825561][ T2100]  ? snapshot_read.cold (user.c:?)
[   84.825563][ T2100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.825565][ T2100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.825568][ T2100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.825570][ T2100]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.825574][ T2100]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.825577][ T2100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.825579][ T2100]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.825582][ T2100]  ? netdev_notice (net/core/dev.c:13194)
[   84.825584][ T2100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.825587][ T2100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.825590][ T2100]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   84.825593][ T2100]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.825595][ T2100]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   84.825597][ T2100]  ? register_netdev (net/core/dev.c:11618)
[   84.825599][ T2100]  ? 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))
[   84.825604][ T2100]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   84.825606][ T2100]  ? __kernel_text_address (kernel/extable.c:79)
[   84.825609][ T2100]  ? write_profile (profile.c:?)
[   84.825613][ T2100]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   84.825618][ T2100]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.825622][ T2100]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   84.825624][ T2100]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   84.825625][ T2100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   84.825627][ T2100]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.825630][ T2100]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.825632][ T2100]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.825633][ T2100]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.825636][ T2100]  ? kasan_save_stack (mm/kasan/common.c:58)
[   84.825638][ T2100]  ? kasan_save_stack (mm/kasan/common.c:57)
[   84.825639][ T2100]  ? kasan_save_track (mm/kasan/common.c:78)
[   84.825640][ T2100]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   84.825642][ T2100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.825644][ T2100]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   84.825647][ T2100]  ? ___sys_sendmsg (net/socket.c:2758)
[   84.825651][ T2100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.825653][ T2100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.825655][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825657][ T2100]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.825659][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825660][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825661][ T2100]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   84.825663][ T2100]  ? __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)
[   84.825665][ T2100]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   84.825666][ T2100]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.825670][ T2100]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   84.825671][ T2100]  ? nla_get_range_signed (lib/nlattr.c:270)
[   84.825676][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825678][ T2100]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   84.825686][ T2100]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.825691][ T2100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.825693][ T2100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.825698][ T2100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.825700][ T2100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.825701][ T2100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.825703][ T2100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.825707][ T2100]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.825709][ T2100]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.825712][ T2100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.825713][ T2100]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.825717][ T2100]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.825719][ T2100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.825723][ T2100]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.825726][ T2100]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.825729][ T2100]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.825735][ T2100]  ? 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))
[   84.825737][ T2100]  ? 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))
[   84.825741][ T2100]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.825745][ T2100]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.825747][ T2100]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.825751][ T2100]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.825755][ T2100]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.825759][ T2100]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.825761][ T2100]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.825766][ T2100]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.825768][ T2100]  ____sys_sendmsg (net/socket.c:2713)
[   84.825771][ T2100]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.825773][ T2100]  ? sock_write_iter (net/socket.c:1269)
[   84.825774][ T2100]  ? move_addr_to_kernel (net/socket.c:258)
[   84.825781][ T2100]  ___sys_sendmsg (net/socket.c:2767)
[   84.825784][ T2100]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.825799][ T2100]  __sys_sendmsg (net/socket.c:2799)
[   84.825802][ T2100]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.825808][ T2100]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.825811][ T2100]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.825814][ T2100]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.825817][ T2100]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.825819][ T2100] RIP: 0033:0x7f03e4bba54e
[   84.825823][ T2100] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   84.825824][ T2100] RSP: 002b:00007ffe469dd530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.825827][ T2100] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f03e4bba54e
[   84.825829][ T2100] RDX: 0000000000000000 RSI: 00007ffe469dd5e0 RDI: 0000000000000005
[   84.825830][ T2100] RBP: 00007ffe469dd540 R08: 0000000000000000 R09: 0000000000000000
[   84.825830][ T2100] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb5e
[   84.825831][ T2100] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe469ddca0
| [   86.594908][ T2175] softirqs last disabled at (18074): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   86.594910][ T2175] Preemption disabled at:
| [   86.594911][ T2175] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.594919][ T2175] Tainted: [W]=WARN
[   86.594920][ T2175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.594921][ T2175] Call Trace:
[   86.594923][ T2175]  <TASK>
[   86.594924][ T2175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.594930][ T2175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.594932][ T2175]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.594936][ T2175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.594940][ T2175]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   86.594945][ T2175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.594946][ T2175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.594953][ T2175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.594956][ T2175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.594959][ T2175]  put_chars (drivers/char/virtio_console.c:1176)
[   86.594962][ T2175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.594963][ T2175]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.594966][ T2175]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.594969][ T2175]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.594974][ T2175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.594978][ T2175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.594983][ T2175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.594986][ T2175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.594990][ T2175]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.594994][ T2175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.594996][ T2175]  ? 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))
[   86.594999][ T2175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.595001][ T2175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.595005][ T2175]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.595009][ T2175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.595011][ T2175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.595016][ T2175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.595019][ T2175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.595021][ T2175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.595022][ T2175]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   86.595026][ T2175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.595027][ T2175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.595030][ T2175]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.595033][ T2175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.595035][ T2175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.595038][ T2175]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   86.595041][ T2175]  _printk (kernel/printk/printk.c:2504)
[   86.595045][ T2175]  ? snapshot_read.cold (user.c:?)
[   86.595048][ T2175]  ? br_multicast_flood (??:?)
[   86.595051][ T2175]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   86.595053][ T2175]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   86.595054][ T2175]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.595058][ T2175]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   86.595062][ T2175]  br_init_port (net/bridge/br_stp_if.c:39)
[   86.595065][ T2175]  new_nbp (net/bridge/br_if.c:449)
[   86.595069][ T2175]  br_add_if (net/bridge/br_if.c:592)
[   86.595070][ T2175]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   86.595078][ T2175]  do_set_master (net/core/rtnetlink.c:3071)
[   86.595081][ T2175]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   86.595085][ T2175]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   86.595087][ T2175]  ? __dev_get_by_name (net/core/dev.c:905)
[   86.595089][ T2175]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   86.595098][ T2175]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   86.595104][ T2175]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.595109][ T2175]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.595111][ T2175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.595118][ T2175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.595122][ T2175]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.595124][ T2175]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.595127][ T2175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.595128][ T2175]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.595132][ T2175]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.595134][ T2175]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.595138][ T2175]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.595141][ T2175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.595144][ T2175]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.595150][ T2175]  ? 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))
[   86.595152][ T2175]  ? 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))
[   86.595156][ T2175]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.595160][ T2175]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.595166][ T2175]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.595170][ T2175]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.595173][ T2175]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.595175][ T2175]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   86.595181][ T2175]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.595184][ T2175]  ____sys_sendmsg (net/socket.c:2713)
[   86.595187][ T2175]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.595189][ T2175]  ? sock_write_iter (net/socket.c:1269)
[   86.595190][ T2175]  ? move_addr_to_kernel (net/socket.c:258)
[   86.595195][ T2175]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   86.595197][ T2175]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.595201][ T2175]  ___sys_sendmsg (net/socket.c:2767)
[   86.595203][ T2175]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   86.595205][ T2175]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.595207][ T2175]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   86.595222][ T2175]  __sys_sendmsg (net/socket.c:2799)
[   86.595225][ T2175]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.595230][ T2175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.595232][ T2175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.595235][ T2175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.595238][ T2175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.595241][ T2175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.595243][ T2175] RIP: 0033:0x7f7134b4c54e
[   86.595247][ T2175] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   86.595249][ T2175] RSP: 002b:00007fff245cf320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.595251][ T2175] RAX: ffffffffffffffda RBX: 00007fff245cfae8 RCX: 00007f7134b4c54e
[   86.595253][ T2175] RDX: 0000000000000000 RSI: 00007fff245cf3d0 RDI: 0000000000000005
[   86.595253][ T2175] RBP: 00007fff245cf330 R08: 0000000000000000 R09: 0000000000000000
[   86.595254][ T2175] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb60
[   86.595255][ T2175] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff245cfaa0
| [   87.737143][ T2214] softirqs last disabled at (32346): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   87.737146][ T2214] Preemption disabled at:
| [   87.737147][ T2214] vprintk_emit (kernel/printk/printk.c:2471)
| [   87.737155][ T2214] Tainted: [W]=WARN
[   87.737156][ T2214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.737158][ T2214] Call Trace:
[   87.737160][ T2214]  <TASK>
[   87.737161][ T2214]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.737167][ T2214]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   87.737168][ T2214]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.737173][ T2214]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.737177][ T2214]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   87.737181][ T2214]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   87.737183][ T2214]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.737190][ T2214]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   87.737193][ T2214]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.737196][ T2214]  put_chars (drivers/char/virtio_console.c:1176)
[   87.737199][ T2214]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.737205][ T2214]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.737213][ T2214]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.737216][ T2214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.737221][ T2214]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.737225][ T2214]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.737227][ T2214]  ? 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))
[   87.737230][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737233][ T2214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.737237][ T2214]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.737241][ T2214]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.737243][ T2214]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.737248][ T2214]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.737251][ T2214]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.737253][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737254][ T2214]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   87.737258][ T2214]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.737260][ T2214]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.737263][ T2214]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.737266][ T2214]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.737268][ T2214]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   87.737274][ T2214]  _printk (kernel/printk/printk.c:2504)
[   87.737277][ T2214]  ? snapshot_read.cold (user.c:?)
[   87.737279][ T2214]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.737282][ T2214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.737284][ T2214]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.737287][ T2214]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   87.737291][ T2214]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   87.737293][ T2214]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   87.737296][ T2214]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   87.737298][ T2214]  ? netdev_notice (net/core/dev.c:13194)
[   87.737301][ T2214]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.737304][ T2214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.737307][ T2214]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   87.737310][ T2214]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   87.737312][ T2214]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   87.737314][ T2214]  ? register_netdev (net/core/dev.c:11618)
[   87.737316][ T2214]  ? 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))
[   87.737321][ T2214]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   87.737324][ T2214]  ? __kernel_text_address (kernel/extable.c:79)
[   87.737331][ T2214]  ? write_profile (profile.c:?)
[   87.737336][ T2214]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   87.737341][ T2214]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   87.737345][ T2214]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   87.737347][ T2214]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   87.737348][ T2214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   87.737350][ T2214]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   87.737354][ T2214]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   87.737356][ T2214]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   87.737357][ T2214]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   87.737360][ T2214]  ? kasan_save_stack (mm/kasan/common.c:58)
[   87.737362][ T2214]  ? kasan_save_stack (mm/kasan/common.c:57)
[   87.737363][ T2214]  ? kasan_save_track (mm/kasan/common.c:78)
[   87.737364][ T2214]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.737366][ T2214]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.737368][ T2214]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   87.737372][ T2214]  ? ___sys_sendmsg (net/socket.c:2758)
[   87.737376][ T2214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.737378][ T2214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.737380][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737382][ T2214]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.737384][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737385][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737387][ T2214]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   87.737389][ T2214]  ? __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)
[   87.737390][ T2214]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   87.737392][ T2214]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.737396][ T2214]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   87.737397][ T2214]  ? nla_get_range_signed (lib/nlattr.c:270)
[   87.737402][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737404][ T2214]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   87.737409][ T2214]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.737415][ T2214]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.737417][ T2214]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.737421][ T2214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.737423][ T2214]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.737425][ T2214]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.737427][ T2214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.737430][ T2214]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.737432][ T2214]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.737435][ T2214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.737437][ T2214]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   87.737441][ T2214]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   87.737443][ T2214]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.737447][ T2214]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.737450][ T2214]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.737453][ T2214]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.737459][ T2214]  ? 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))
[   87.737461][ T2214]  ? 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))
[   87.737465][ T2214]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.737469][ T2214]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.737472][ T2214]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   87.737476][ T2214]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.737480][ T2214]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.737484][ T2214]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   87.737485][ T2214]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   87.737491][ T2214]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   87.737494][ T2214]  ____sys_sendmsg (net/socket.c:2713)
[   87.737496][ T2214]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.737498][ T2214]  ? sock_write_iter (net/socket.c:1269)
[   87.737500][ T2214]  ? move_addr_to_kernel (net/socket.c:258)
[   87.737507][ T2214]  ___sys_sendmsg (net/socket.c:2767)
[   87.737510][ T2214]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.737526][ T2214]  __sys_sendmsg (net/socket.c:2799)
[   87.737528][ T2214]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.737535][ T2214]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.737537][ T2214]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.737541][ T2214]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.737543][ T2214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.737546][ T2214] RIP: 0033:0x7fa56e65c54e
[   87.737549][ T2214] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   87.737551][ T2214] RSP: 002b:00007ffd43e11ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.737554][ T2214] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa56e65c54e
[   87.737555][ T2214] RDX: 0000000000000000 RSI: 00007ffd43e120a0 RDI: 0000000000000005
[   87.737556][ T2214] RBP: 00007ffd43e12000 R08: 0000000000000000 R09: 0000000000000000
[   87.737557][ T2214] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb61
[   87.737558][ T2214] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd43e12760
| [   89.428396][ T2264] softirqs last disabled at (17230): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   89.428398][ T2264] Preemption disabled at:
| [   89.428399][ T2264] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.428407][ T2264] Tainted: [W]=WARN
[   89.428407][ T2264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.428409][ T2264] Call Trace:
[   89.428410][ T2264]  <TASK>
[   89.428412][ T2264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.428418][ T2264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.428420][ T2264]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.428424][ T2264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.428428][ T2264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.428433][ T2264]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   89.428434][ T2264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.428441][ T2264]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.428444][ T2264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.428447][ T2264]  put_chars (drivers/char/virtio_console.c:1176)
[   89.428450][ T2264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.428451][ T2264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.428455][ T2264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.428458][ T2264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.428462][ T2264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.428467][ T2264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.428472][ T2264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.428475][ T2264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.428479][ T2264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.428483][ T2264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.428485][ T2264]  ? 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))
[   89.428488][ T2264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.428490][ T2264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.428494][ T2264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.428498][ T2264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.428500][ T2264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.428505][ T2264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.428508][ T2264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.428510][ T2264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.428512][ T2264]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.428516][ T2264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.428517][ T2264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.428520][ T2264]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.428523][ T2264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.428525][ T2264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.428528][ T2264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   89.428531][ T2264]  _printk (kernel/printk/printk.c:2504)
[   89.428535][ T2264]  ? snapshot_read.cold (user.c:?)
[   89.428539][ T2264]  ? br_multicast_flood (??:?)
[   89.428542][ T2264]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   89.428543][ T2264]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   89.428544][ T2264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.428549][ T2264]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   89.428553][ T2264]  br_init_port (net/bridge/br_stp_if.c:39)
[   89.428555][ T2264]  new_nbp (net/bridge/br_if.c:449)
[   89.428559][ T2264]  br_add_if (net/bridge/br_if.c:592)
[   89.428561][ T2264]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   89.428569][ T2264]  do_set_master (net/core/rtnetlink.c:3071)
[   89.428572][ T2264]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   89.428576][ T2264]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   89.428578][ T2264]  ? __dev_get_by_name (net/core/dev.c:905)
[   89.428580][ T2264]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   89.428589][ T2264]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   89.428596][ T2264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.428601][ T2264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.428603][ T2264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.428609][ T2264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.428613][ T2264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.428615][ T2264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.428618][ T2264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.428620][ T2264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.428624][ T2264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.428626][ T2264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.428630][ T2264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.428633][ T2264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.428636][ T2264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.428642][ T2264]  ? 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))
[   89.428644][ T2264]  ? 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))
[   89.428648][ T2264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.428652][ T2264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.428658][ T2264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.428662][ T2264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.428666][ T2264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.428667][ T2264]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.428673][ T2264]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.428677][ T2264]  ____sys_sendmsg (net/socket.c:2713)
[   89.428679][ T2264]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.428681][ T2264]  ? sock_write_iter (net/socket.c:1269)
[   89.428685][ T2264]  ? move_addr_to_kernel (net/socket.c:258)
[   89.428690][ T2264]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   89.428692][ T2264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.428696][ T2264]  ___sys_sendmsg (net/socket.c:2767)
[   89.428698][ T2264]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   89.428700][ T2264]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.428702][ T2264]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   89.428717][ T2264]  __sys_sendmsg (net/socket.c:2799)
[   89.428720][ T2264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.428726][ T2264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.428728][ T2264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.428731][ T2264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.428734][ T2264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.428737][ T2264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.428739][ T2264] RIP: 0033:0x7f9f0b9e754e
[   89.428743][ T2264] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.428745][ T2264] RSP: 002b:00007fff49a27cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.428747][ T2264] RAX: ffffffffffffffda RBX: 00007fff49a28498 RCX: 00007f9f0b9e754e
[   89.428749][ T2264] RDX: 0000000000000000 RSI: 00007fff49a27d80 RDI: 0000000000000005
[   89.428750][ T2264] RBP: 00007fff49a27ce0 R08: 0000000000000000 R09: 0000000000000000
[   89.428751][ T2264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb62
[   89.428751][ T2264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff49a28450
| [   98.240248][   T68] softirqs last disabled at (1656294): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   98.240252][   T68] Preemption disabled at:
| [   98.240253][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.240268][   T68] Tainted: [W]=WARN
[   98.240270][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.240273][   T68] Workqueue: netns cleanup_net
[   98.240279][   T68] Call Trace:
[   98.240281][   T68]  <TASK>
[   98.240285][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.240295][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.240299][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.240306][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.240314][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.240323][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   98.240327][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.240340][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.240345][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.240353][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   98.240358][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.240361][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.240369][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.240374][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.240386][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.240393][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.240412][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.240419][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.240431][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.240440][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.240443][   T68]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   98.240451][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.240455][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.240465][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.240475][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.240479][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.240493][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.240499][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.240503][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.240507][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   98.240515][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.240519][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.240526][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.240533][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.240536][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[   98.240540][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.240545][   T68]  ? kthread (kernel/kthread.c:436)
[   98.240548][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   98.240554][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   98.240564][   T68]  _printk (kernel/printk/printk.c:2504)
[   98.240570][   T68]  ? snapshot_read.cold (user.c:?)
[   98.240581][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.240587][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.240597][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.240602][   T68]  ? netdev_notice (net/core/dev.c:13194)
[   98.240613][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.240617][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   98.240623][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   98.240628][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.240633][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   98.240643][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[   98.240650][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   98.240664][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[   98.240672][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[   98.240679][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   98.240692][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   98.240698][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[   98.240702][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.240709][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.240720][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   98.240727][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.240736][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.240740][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.240748][   T68]  process_one_work (kernel/workqueue.c:3387)
[   98.240764][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   98.240771][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.240790][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.240800][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.240804][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   98.240810][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.240817][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.240821][   T68]  kthread (kernel/kthread.c:436)
[   98.240825][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.240830][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.240837][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.240844][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   98.240852][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.240858][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.240865][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.710742][ T2412] softirqs last disabled at (23482): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  100.710746][ T2412] Preemption disabled at:
| [  100.710748][ T2412] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.710763][ T2412] Tainted: [W]=WARN
[  100.710764][ T2412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.710768][ T2412] Call Trace:
[  100.710771][ T2412]  <TASK>
[  100.710774][ T2412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.710784][ T2412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.710787][ T2412]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.710795][ T2412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.710802][ T2412]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  100.710810][ T2412]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  100.710814][ T2412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.710826][ T2412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.710831][ T2412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.710838][ T2412]  put_chars (drivers/char/virtio_console.c:1176)
[  100.710844][ T2412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.710858][ T2412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.710872][ T2412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.710879][ T2412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.710888][ T2412]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.710896][ T2412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.710900][ T2412]  ? 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))
[  100.710906][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.710911][ T2412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.710920][ T2412]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.710928][ T2412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.710932][ T2412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.710944][ T2412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.710949][ T2412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.710953][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.710957][ T2412]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  100.710965][ T2412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.710968][ T2412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.710975][ T2412]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.710981][ T2412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.710987][ T2412]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  100.710997][ T2412]  _printk (kernel/printk/printk.c:2504)
[  100.711003][ T2412]  ? snapshot_read.cold (user.c:?)
[  100.711006][ T2412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.711012][ T2412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.711017][ T2412]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.711021][ T2412]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  100.711028][ T2412]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  100.711033][ T2412]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.711038][ T2412]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  100.711043][ T2412]  ? netdev_notice (net/core/dev.c:13194)
[  100.711049][ T2412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.711055][ T2412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.711061][ T2412]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  100.711068][ T2412]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.711072][ T2412]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  100.711077][ T2412]  ? register_netdev (net/core/dev.c:11618)
[  100.711080][ T2412]  ? 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))
[  100.711090][ T2412]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  100.711095][ T2412]  ? __kernel_text_address (kernel/extable.c:79)
[  100.711099][ T2412]  ? write_profile (profile.c:?)
[  100.711106][ T2412]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  100.711117][ T2412]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  100.711125][ T2412]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  100.711129][ T2412]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  100.711132][ T2412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.711136][ T2412]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.711142][ T2412]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.711146][ T2412]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.711150][ T2412]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.711155][ T2412]  ? kasan_save_stack (mm/kasan/common.c:58)
[  100.711158][ T2412]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.711161][ T2412]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.711163][ T2412]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.711169][ T2412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.711172][ T2412]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  100.711178][ T2412]  ? ___sys_sendmsg (net/socket.c:2758)
[  100.711185][ T2412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.711189][ T2412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.711195][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.711199][ T2412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.711202][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.711205][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.711209][ T2412]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  100.711214][ T2412]  ? __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)
[  100.711217][ T2412]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  100.711221][ T2412]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  100.711230][ T2412]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  100.711233][ T2412]  ? nla_get_range_signed (lib/nlattr.c:270)
[  100.711242][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.711247][ T2412]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  100.711259][ T2412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  100.711271][ T2412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.711276][ T2412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.711285][ T2412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.711289][ T2412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.711294][ T2412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.711298][ T2412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.711306][ T2412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.711310][ T2412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.711317][ T2412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.711320][ T2412]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.711330][ T2412]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.711334][ T2412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.711341][ T2412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.711346][ T2412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.711352][ T2412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.711366][ T2412]  ? 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))
[  100.711370][ T2412]  ? 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))
[  100.711380][ T2412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.711388][ T2412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.711393][ T2412]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.711403][ T2412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.711411][ T2412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.711427][ T2412]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.711430][ T2412]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  100.711440][ T2412]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.711447][ T2412]  ____sys_sendmsg (net/socket.c:2713)
[  100.711451][ T2412]  ? copy_msghdr_from_user (net/socket.c:2650)
[  100.711456][ T2412]  ? sock_write_iter (net/socket.c:1269)
[  100.711459][ T2412]  ? move_addr_to_kernel (net/socket.c:258)
[  100.711474][ T2412]  ___sys_sendmsg (net/socket.c:2767)
[  100.711480][ T2412]  ? copy_msghdr_from_user (net/socket.c:2619)
[  100.711514][ T2412]  __sys_sendmsg (net/socket.c:2799)
[  100.711519][ T2412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  100.711532][ T2412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.711539][ T2412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.711544][ T2412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.711550][ T2412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.711554][ T2412] RIP: 0033:0x7fc1be9cc54e
[  100.711561][ T2412] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.711564][ T2412] RSP: 002b:00007ffcf5632ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.711569][ T2412] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc1be9cc54e
[  100.711571][ T2412] RDX: 0000000000000000 RSI: 00007ffcf5632d90 RDI: 0000000000000005
[  100.711573][ T2412] RBP: 00007ffcf5632cf0 R08: 0000000000000000 R09: 0000000000000000
[  100.711575][ T2412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb6e
[  100.711577][ T2412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf5633450
| [  102.509312][ T2456] softirqs last disabled at (25860): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  102.509316][ T2456] Preemption disabled at:
| [  102.509317][ T2456] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.509332][ T2456] Tainted: [W]=WARN
[  102.509333][ T2456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.509337][ T2456] Call Trace:
[  102.509340][ T2456]  <TASK>
[  102.509343][ T2456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.509352][ T2456]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.509356][ T2456]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.509363][ T2456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.509371][ T2456]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.509379][ T2456]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  102.509383][ T2456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.509394][ T2456]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.509399][ T2456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.509407][ T2456]  put_chars (drivers/char/virtio_console.c:1176)
[  102.509412][ T2456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.509414][ T2456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.509421][ T2456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.509426][ T2456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.509447][ T2456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.509453][ T2456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.509463][ T2456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.509469][ T2456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.509478][ T2456]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.509486][ T2456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.509489][ T2456]  ? 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))
[  102.509495][ T2456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.509499][ T2456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.509506][ T2456]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.509514][ T2456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.509518][ T2456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.509529][ T2456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.509535][ T2456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.509539][ T2456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.509543][ T2456]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.509551][ T2456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.509554][ T2456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.509561][ T2456]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.509567][ T2456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.509572][ T2456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.509577][ T2456]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  102.509585][ T2456]  _printk (kernel/printk/printk.c:2504)
[  102.509592][ T2456]  ? snapshot_read.cold (user.c:?)
[  102.509599][ T2456]  ? br_multicast_flood (??:?)
[  102.509605][ T2456]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  102.509608][ T2456]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  102.509611][ T2456]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.509621][ T2456]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  102.509630][ T2456]  br_init_port (net/bridge/br_stp_if.c:39)
[  102.509635][ T2456]  new_nbp (net/bridge/br_if.c:449)
[  102.509644][ T2456]  br_add_if (net/bridge/br_if.c:592)
[  102.509648][ T2456]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  102.509663][ T2456]  do_set_master (net/core/rtnetlink.c:3071)
[  102.509671][ T2456]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  102.509679][ T2456]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  102.509687][ T2456]  ? __dev_get_by_name (net/core/dev.c:905)
[  102.509692][ T2456]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  102.509712][ T2456]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  102.509726][ T2456]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.509738][ T2456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.509743][ T2456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.509758][ T2456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.509766][ T2456]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.509770][ T2456]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.509777][ T2456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.509780][ T2456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.509790][ T2456]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.509794][ T2456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.509801][ T2456]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.509806][ T2456]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.509812][ T2456]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.509826][ T2456]  ? 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))
[  102.509830][ T2456]  ? 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))
[  102.509840][ T2456]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.509848][ T2456]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.509861][ T2456]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.509870][ T2456]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.509878][ T2456]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.509882][ T2456]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.509893][ T2456]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.509900][ T2456]  ____sys_sendmsg (net/socket.c:2713)
[  102.509905][ T2456]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.509909][ T2456]  ? sock_write_iter (net/socket.c:1269)
[  102.509912][ T2456]  ? move_addr_to_kernel (net/socket.c:258)
[  102.509922][ T2456]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  102.509927][ T2456]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.509935][ T2456]  ___sys_sendmsg (net/socket.c:2767)
[  102.509939][ T2456]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  102.509944][ T2456]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.509949][ T2456]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  102.509984][ T2456]  __sys_sendmsg (net/socket.c:2799)
[  102.509990][ T2456]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.510002][ T2456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.510007][ T2456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.510014][ T2456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.510020][ T2456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.510026][ T2456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.510031][ T2456] RIP: 0033:0x7f4eb7ba554e
[  102.510038][ T2456] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  102.510041][ T2456] RSP: 002b:00007ffd7283b560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.510046][ T2456] RAX: ffffffffffffffda RBX: 00007ffd7283bd28 RCX: 00007f4eb7ba554e
[  102.510049][ T2456] RDX: 0000000000000000 RSI: 00007ffd7283b610 RDI: 0000000000000005
[  102.510052][ T2456] RBP: 00007ffd7283b570 R08: 0000000000000000 R09: 0000000000000000
[  102.510054][ T2456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb6f
[  102.510056][ T2456] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7283bce0
| [  104.861907][ T2486] softirqs last disabled at (18928): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  104.861911][ T2486] Preemption disabled at:
| [  104.861912][ T2486] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.861928][ T2486] Tainted: [W]=WARN
[  104.861929][ T2486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.861932][ T2486] Call Trace:
[  104.861936][ T2486]  <TASK>
[  104.861939][ T2486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.861948][ T2486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.861952][ T2486]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.861959][ T2486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.861967][ T2486]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  104.861975][ T2486]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  104.861979][ T2486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.861991][ T2486]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.861996][ T2486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.862004][ T2486]  put_chars (drivers/char/virtio_console.c:1176)
[  104.862009][ T2486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.862012][ T2486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  104.862019][ T2486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.862024][ T2486]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  104.862035][ T2486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.862041][ T2486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.862053][ T2486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.862060][ T2486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.862070][ T2486]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.862079][ T2486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.862082][ T2486]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  104.862090][ T2486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.862094][ T2486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.862103][ T2486]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.862112][ T2486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.862116][ T2486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.862128][ T2486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.862134][ T2486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.862138][ T2486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.862142][ T2486]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  104.862150][ T2486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.862154][ T2486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.862160][ T2486]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.862167][ T2486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.862171][ T2486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.862177][ T2486]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  104.862185][ T2486]  _printk (kernel/printk/printk.c:2504)
[  104.862192][ T2486]  ? snapshot_read.cold (user.c:?)
[  104.862200][ T2486]  ? br_multicast_flood (??:?)
[  104.862205][ T2486]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  104.862208][ T2486]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  104.862211][ T2486]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.862221][ T2486]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  104.862230][ T2486]  br_init_port (net/bridge/br_stp_if.c:39)
[  104.862236][ T2486]  new_nbp (net/bridge/br_if.c:449)
[  104.862244][ T2486]  br_add_if (net/bridge/br_if.c:592)
[  104.862248][ T2486]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  104.862264][ T2486]  do_set_master (net/core/rtnetlink.c:3071)
[  104.862272][ T2486]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  104.862281][ T2486]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  104.862285][ T2486]  ? __dev_get_by_name (net/core/dev.c:905)
[  104.862289][ T2486]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  104.862310][ T2486]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  104.862326][ T2486]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.862339][ T2486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.862343][ T2486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.862359][ T2486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.862368][ T2486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.862372][ T2486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.862380][ T2486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.862383][ T2486]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.862393][ T2486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  104.862397][ T2486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.862406][ T2486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.862411][ T2486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.862417][ T2486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.862432][ T2486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  104.862436][ T2486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  104.862452][ T2486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.862461][ T2486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.862474][ T2486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.862483][ T2486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.862492][ T2486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.862495][ T2486]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  104.862506][ T2486]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.862513][ T2486]  ____sys_sendmsg (net/socket.c:2713)
[  104.862518][ T2486]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.862523][ T2486]  ? sock_write_iter (net/socket.c:1269)
[  104.862526][ T2486]  ? move_addr_to_kernel (net/socket.c:258)
[  104.862537][ T2486]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  104.862541][ T2486]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.862550][ T2486]  ___sys_sendmsg (net/socket.c:2767)
[  104.862553][ T2486]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  104.862559][ T2486]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.862564][ T2486]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  104.862599][ T2486]  __sys_sendmsg (net/socket.c:2799)
[  104.862605][ T2486]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.862617][ T2486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.862622][ T2486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.862629][ T2486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.862635][ T2486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.862641][ T2486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.862646][ T2486] RIP: 0033:0x7f392520a54e
[  104.862653][ T2486] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  104.862656][ T2486] RSP: 002b:00007ffd7f123cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.862661][ T2486] RAX: ffffffffffffffda RBX: 00007ffd7f124498 RCX: 00007f392520a54e
[  104.862663][ T2486] RDX: 0000000000000000 RSI: 00007ffd7f123d80 RDI: 0000000000000005
[  104.862666][ T2486] RBP: 00007ffd7f123ce0 R08: 0000000000000000 R09: 0000000000000000
[  104.862668][ T2486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb72
[  104.862670][ T2486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7f124450
| [  107.566845][ T2523] softirqs last disabled at (16204): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  107.566850][ T2523] Preemption disabled at:
| [  107.566851][ T2523] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.566866][ T2523] Tainted: [W]=WARN
[  107.566868][ T2523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.566871][ T2523] Call Trace:
[  107.566874][ T2523]  <TASK>
[  107.566878][ T2523]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.566887][ T2523]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.566891][ T2523]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.566898][ T2523]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.566905][ T2523]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  107.566914][ T2523]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  107.566918][ T2523]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.566930][ T2523]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.566935][ T2523]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.566943][ T2523]  put_chars (drivers/char/virtio_console.c:1176)
[  107.566948][ T2523]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.566963][ T2523]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.566978][ T2523]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.566985][ T2523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.566995][ T2523]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.567004][ T2523]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.567008][ T2523]  ? 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))
[  107.567014][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567019][ T2523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.567028][ T2523]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.567037][ T2523]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.567041][ T2523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.567053][ T2523]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.567059][ T2523]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.567062][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567067][ T2523]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  107.567075][ T2523]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.567078][ T2523]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.567085][ T2523]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.567092][ T2523]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.567098][ T2523]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  107.567108][ T2523]  _printk (kernel/printk/printk.c:2504)
[  107.567115][ T2523]  ? snapshot_read.cold (user.c:?)
[  107.567118][ T2523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  107.567124][ T2523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.567129][ T2523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  107.567134][ T2523]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  107.567140][ T2523]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  107.567146][ T2523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  107.567152][ T2523]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  107.567158][ T2523]  ? netdev_notice (net/core/dev.c:13194)
[  107.567163][ T2523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.567170][ T2523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.567175][ T2523]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  107.567183][ T2523]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  107.567187][ T2523]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  107.567192][ T2523]  ? register_netdev (net/core/dev.c:11618)
[  107.567196][ T2523]  ? 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))
[  107.567206][ T2523]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  107.567211][ T2523]  ? __kernel_text_address (kernel/extable.c:79)
[  107.567215][ T2523]  ? write_profile (profile.c:?)
[  107.567223][ T2523]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  107.567234][ T2523]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  107.567241][ T2523]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  107.567246][ T2523]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  107.567248][ T2523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  107.567253][ T2523]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  107.567259][ T2523]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  107.567263][ T2523]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.567267][ T2523]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  107.567272][ T2523]  ? kasan_save_stack (mm/kasan/common.c:58)
[  107.567276][ T2523]  ? kasan_save_stack (mm/kasan/common.c:57)
[  107.567278][ T2523]  ? kasan_save_track (mm/kasan/common.c:78)
[  107.567281][ T2523]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  107.567287][ T2523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.567291][ T2523]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  107.567296][ T2523]  ? ___sys_sendmsg (net/socket.c:2758)
[  107.567304][ T2523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  107.567308][ T2523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  107.567314][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567318][ T2523]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.567322][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567324][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567328][ T2523]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  107.567334][ T2523]  ? __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)
[  107.567337][ T2523]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  107.567341][ T2523]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  107.567349][ T2523]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  107.567351][ T2523]  ? nla_get_range_signed (lib/nlattr.c:270)
[  107.567361][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567366][ T2523]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  107.567378][ T2523]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  107.567391][ T2523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.567395][ T2523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.567405][ T2523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  107.567409][ T2523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.567413][ T2523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.567418][ T2523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.567426][ T2523]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.567431][ T2523]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  107.567438][ T2523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.567441][ T2523]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.567450][ T2523]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  107.567454][ T2523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.567462][ T2523]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.567477][ T2523]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.567483][ T2523]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.567497][ T2523]  ? 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))
[  107.567500][ T2523]  ? 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))
[  107.567510][ T2523]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.567519][ T2523]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.567524][ T2523]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  107.567534][ T2523]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.567543][ T2523]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.567551][ T2523]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.567554][ T2523]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  107.567565][ T2523]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.567572][ T2523]  ____sys_sendmsg (net/socket.c:2713)
[  107.567577][ T2523]  ? copy_msghdr_from_user (net/socket.c:2650)
[  107.567581][ T2523]  ? sock_write_iter (net/socket.c:1269)
[  107.567585][ T2523]  ? move_addr_to_kernel (net/socket.c:258)
[  107.567602][ T2523]  ___sys_sendmsg (net/socket.c:2767)
[  107.567608][ T2523]  ? copy_msghdr_from_user (net/socket.c:2619)
[  107.567641][ T2523]  __sys_sendmsg (net/socket.c:2799)
[  107.567647][ T2523]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  107.567660][ T2523]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.567667][ T2523]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.567672][ T2523]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.567678][ T2523]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.567687][ T2523] RIP: 0033:0x7fe4609b954e
[  107.567695][ T2523] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.567698][ T2523] RSP: 002b:00007fff9dc9e180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.567704][ T2523] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe4609b954e
[  107.567707][ T2523] RDX: 0000000000000000 RSI: 00007fff9dc9e230 RDI: 0000000000000005
[  107.567709][ T2523] RBP: 00007fff9dc9e190 R08: 0000000000000000 R09: 0000000000000000
[  107.567711][ T2523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb74
[  107.567712][ T2523] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9dc9e8f0
| [  109.392395][ T2567] softirqs last disabled at (18488): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  109.392399][ T2567] Preemption disabled at:
| [  109.392400][ T2567] vprintk_emit (kernel/printk/printk.c:2471)
| [  109.392414][ T2567] Tainted: [W]=WARN
[  109.392415][ T2567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.392418][ T2567] Call Trace:
[  109.392421][ T2567]  <TASK>
[  109.392424][ T2567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.392433][ T2567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  109.392437][ T2567]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.392444][ T2567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.392451][ T2567]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  109.392459][ T2567]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  109.392463][ T2567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.392473][ T2567]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  109.392489][ T2567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.392496][ T2567]  put_chars (drivers/char/virtio_console.c:1176)
[  109.392501][ T2567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.392504][ T2567]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  109.392510][ T2567]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  109.392514][ T2567]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  109.392524][ T2567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.392530][ T2567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.392540][ T2567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.392546][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.392555][ T2567]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.392563][ T2567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.392567][ T2567]  ? 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))
[  109.392573][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.392576][ T2567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.392584][ T2567]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.392593][ T2567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.392596][ T2567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.392607][ T2567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.392613][ T2567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.392616][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.392620][ T2567]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  109.392628][ T2567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.392631][ T2567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.392637][ T2567]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.392644][ T2567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.392648][ T2567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.392654][ T2567]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  109.392661][ T2567]  _printk (kernel/printk/printk.c:2504)
[  109.392667][ T2567]  ? snapshot_read.cold (user.c:?)
[  109.392674][ T2567]  ? br_multicast_flood (??:?)
[  109.392680][ T2567]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  109.392687][ T2567]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  109.392690][ T2567]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  109.392699][ T2567]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  109.392708][ T2567]  br_init_port (net/bridge/br_stp_if.c:39)
[  109.392713][ T2567]  new_nbp (net/bridge/br_if.c:449)
[  109.392721][ T2567]  br_add_if (net/bridge/br_if.c:592)
[  109.392725][ T2567]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  109.392739][ T2567]  do_set_master (net/core/rtnetlink.c:3071)
[  109.392746][ T2567]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  109.392754][ T2567]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  109.392757][ T2567]  ? __dev_get_by_name (net/core/dev.c:905)
[  109.392761][ T2567]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  109.392781][ T2567]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  109.392795][ T2567]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  109.392806][ T2567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.392810][ T2567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.392825][ T2567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.392833][ T2567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.392837][ T2567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  109.392844][ T2567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.392847][ T2567]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.392856][ T2567]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  109.392860][ T2567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  109.392868][ T2567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  109.392873][ T2567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.392879][ T2567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  109.392893][ T2567]  ? 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))
[  109.392897][ T2567]  ? 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))
[  109.392907][ T2567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  109.392915][ T2567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  109.392927][ T2567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  109.392935][ T2567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  109.392943][ T2567]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.392947][ T2567]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  109.392957][ T2567]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  109.392964][ T2567]  ____sys_sendmsg (net/socket.c:2713)
[  109.392969][ T2567]  ? copy_msghdr_from_user (net/socket.c:2650)
[  109.392973][ T2567]  ? sock_write_iter (net/socket.c:1269)
[  109.392976][ T2567]  ? move_addr_to_kernel (net/socket.c:258)
[  109.392986][ T2567]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  109.392990][ T2567]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  109.392999][ T2567]  ___sys_sendmsg (net/socket.c:2767)
[  109.393002][ T2567]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  109.393007][ T2567]  ? copy_msghdr_from_user (net/socket.c:2619)
[  109.393012][ T2567]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  109.393045][ T2567]  __sys_sendmsg (net/socket.c:2799)
[  109.393050][ T2567]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  109.393062][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.393066][ T2567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.393073][ T2567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  109.393079][ T2567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  109.393085][ T2567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.393090][ T2567] RIP: 0033:0x7f21a04b454e
[  109.393098][ T2567] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  109.393102][ T2567] RSP: 002b:00007fff22be6a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  109.393107][ T2567] RAX: ffffffffffffffda RBX: 00007fff22be7238 RCX: 00007f21a04b454e
[  109.393109][ T2567] RDX: 0000000000000000 RSI: 00007fff22be6b20 RDI: 0000000000000005
[  109.393111][ T2567] RBP: 00007fff22be6a80 R08: 0000000000000000 R09: 0000000000000000
[  109.393113][ T2567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb76
[  109.393115][ T2567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff22be71f0
| [  111.092027][ T2597] softirqs last disabled at (23904): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  111.092029][ T2597] Preemption disabled at:
| [  111.092030][ T2597] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.092039][ T2597] Tainted: [W]=WARN
[  111.092040][ T2597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.092042][ T2597] Call Trace:
[  111.092044][ T2597]  <TASK>
[  111.092046][ T2597]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.092052][ T2597]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.092054][ T2597]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.092059][ T2597]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.092064][ T2597]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  111.092069][ T2597]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.092071][ T2597]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.092079][ T2597]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.092082][ T2597]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.092086][ T2597]  put_chars (drivers/char/virtio_console.c:1176)
[  111.092089][ T2597]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.092091][ T2597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  111.092095][ T2597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.092098][ T2597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.092103][ T2597]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.092108][ T2597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.092113][ T2597]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.092117][ T2597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.092122][ T2597]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.092126][ T2597]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.092128][ T2597]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  111.092132][ T2597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.092134][ T2597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.092138][ T2597]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.092142][ T2597]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.092144][ T2597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.092150][ T2597]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.092153][ T2597]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.092155][ T2597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.092157][ T2597]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.092161][ T2597]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.092163][ T2597]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.092166][ T2597]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.092170][ T2597]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.092172][ T2597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.092175][ T2597]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  111.092178][ T2597]  _printk (kernel/printk/printk.c:2504)
[  111.092183][ T2597]  ? snapshot_read.cold (user.c:?)
[  111.092186][ T2597]  ? br_multicast_flood (??:?)
[  111.092190][ T2597]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  111.092191][ T2597]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  111.092193][ T2597]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  111.092197][ T2597]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  111.092202][ T2597]  br_init_port (net/bridge/br_stp_if.c:39)
[  111.092205][ T2597]  new_nbp (net/bridge/br_if.c:449)
[  111.092209][ T2597]  br_add_if (net/bridge/br_if.c:592)
[  111.092211][ T2597]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  111.092220][ T2597]  do_set_master (net/core/rtnetlink.c:3071)
[  111.092224][ T2597]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  111.092227][ T2597]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  111.092229][ T2597]  ? __dev_get_by_name (net/core/dev.c:905)
[  111.092232][ T2597]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  111.092242][ T2597]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  111.092249][ T2597]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  111.092255][ T2597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.092257][ T2597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.092264][ T2597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.092268][ T2597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.092270][ T2597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  111.092274][ T2597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.092275][ T2597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.092280][ T2597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.092282][ T2597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.092286][ T2597]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  111.092289][ T2597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.092292][ T2597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  111.092299][ T2597]  ? 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))
[  111.092302][ T2597]  ? 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))
[  111.092307][ T2597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  111.092311][ T2597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  111.092317][ T2597]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  111.092321][ T2597]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  111.092325][ T2597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.092327][ T2597]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  111.092333][ T2597]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  111.092337][ T2597]  ____sys_sendmsg (net/socket.c:2713)
[  111.092340][ T2597]  ? copy_msghdr_from_user (net/socket.c:2650)
[  111.092342][ T2597]  ? sock_write_iter (net/socket.c:1269)
[  111.092344][ T2597]  ? move_addr_to_kernel (net/socket.c:258)
[  111.092349][ T2597]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  111.092352][ T2597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.092356][ T2597]  ___sys_sendmsg (net/socket.c:2767)
[  111.092358][ T2597]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  111.092360][ T2597]  ? copy_msghdr_from_user (net/socket.c:2619)
[  111.092363][ T2597]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  111.092379][ T2597]  __sys_sendmsg (net/socket.c:2799)
[  111.092382][ T2597]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  111.092388][ T2597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.092390][ T2597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.092393][ T2597]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  111.092398][ T2597]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  111.092401][ T2597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  111.092404][ T2597] RIP: 0033:0x7f4bcca3b54e
[  111.092408][ T2597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  111.092410][ T2597] RSP: 002b:00007ffe675bb7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  111.092413][ T2597] RAX: ffffffffffffffda RBX: 00007ffe675bbfb8 RCX: 00007f4bcca3b54e
[  111.092415][ T2597] RDX: 0000000000000000 RSI: 00007ffe675bb8a0 RDI: 0000000000000005
[  111.092416][ T2597] RBP: 00007ffe675bb800 R08: 0000000000000000 R09: 0000000000000000
[  111.092416][ T2597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb78
[  111.092417][ T2597] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe675bbf70
| [  117.694786][    C0] softirqs last disabled at (453487): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  117.694788][    C0] Preemption disabled at:
| [  117.694788][    C0] 0x0
| [  117.694798][    C0] Tainted: [W]=WARN
[  117.694799][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.694800][    C0] Call Trace:
[  117.694802][    C0]  <IRQ>
[  117.694803][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.694809][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.694813][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.694816][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  117.694820][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694822][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  117.694825][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.694828][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.694833][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.694834][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.694836][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  117.694838][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.694840][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  117.694843][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.694847][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.694849][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694850][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.694853][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.694856][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.694858][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694859][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694860][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.694861][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  117.694863][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.694865][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.694868][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.694870][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.694872][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.694873][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694874][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.694876][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  117.694878][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.694880][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.694882][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.694883][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.694884][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694885][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.694887][    C0]  _printk (kernel/printk/printk.c:2504)
[  117.694891][    C0]  ? snapshot_read.cold (user.c:?)
[  117.694892][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  117.694895][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  117.694897][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[  117.694899][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[  117.694901][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  117.694904][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  117.694906][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  117.694908][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  117.694910][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  117.694912][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  117.694915][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694916][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.694918][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  117.694919][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[  117.694921][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  117.694922][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  117.694923][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  117.694925][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  117.694928][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  117.694930][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  117.694933][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.694935][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.694937][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  117.694939][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  117.694941][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  117.694942][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  117.694944][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.694947][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.694949][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  117.694951][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  117.694953][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.694954][    C0]  handle_softirqs (kernel/softirq.c:645)
[  117.694956][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.694958][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  117.694960][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  117.694962][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  117.694963][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  117.694966][    C0]  </IRQ>
[  117.694967][    C0]  <TASK>
[  117.694967][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  117.694970][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[  117.694972][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 80 78 fd 48 89 df e8 49 d6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 d0 9e 6a fd 65 48 83 3d af ab 65 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 41 80 78 fd       	call   0xfffffffffd788054
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 49 d6 78 fd       	call   0xfffffffffd78d664
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9f04
  34:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9eda
   a:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  117.694974][    C0] RSP: 0018:ffa0000001957a80 EFLAGS: 00000246
[  117.694977][    C0] RAX: 0000000000000086 RBX: ffffffffacefe500 RCX: ffffffffa8be1483
[  117.694978][    C0] RDX: ff1100001010c740 RSI: ffffffffa9511027 RDI: ffffffffa8e949e0
[  117.694979][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[  117.694980][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffacefe620
[  117.694981][    C0] R13: 0000000000000001 R14: ffffffffacefe658 R15: ff11000010262800
[  117.694982][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  117.694985][    C0]  uart_write (./include/linux/spinlock.h:425 (discriminator 3) ./include/linux/serial_core.h:794 (discriminator 3) drivers/tty/serial/serial_core.c:92 (discriminator 3) drivers/tty/serial/serial_core.c:89 (discriminator 3) drivers/tty/serial/serial_core.c:631 (discriminator 3))
[  117.694987][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[  117.694991][    C0]  n_tty_write (drivers/tty/n_tty.c:2366)
[  117.694993][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188)
[  117.694995][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1))
[  117.694997][    C0]  ? add_wait_queue_priority_exclusive (./include/linux/list.h:99)
[  117.694999][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  117.695001][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1006)
[  117.695004][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  117.695005][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1054)
[  117.695007][    C0]  ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8))
[  117.695009][    C0]  new_sync_write (fs/read_write.c:595)
[  117.695011][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  117.695013][    C0]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  117.695014][    C0]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  117.695016][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[  117.695019][    C0]  vfs_write (fs/read_write.c:687)
[  117.695021][    C0]  ksys_write (fs/read_write.c:739)
[  117.695022][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[  117.695023][    C0]  ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207)
[  117.695026][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.695028][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.695030][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[  117.695032][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.695033][    C0] RIP: 0033:0x7f599f16b54e
[  117.695035][    C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  117.695036][    C0] RSP: 002b:00007ffd047da160 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  117.695038][    C0] RAX: ffffffffffffffda RBX: 00005611063321d0 RCX: 00007f599f16b54e
[  117.695039][    C0] RDX: 0000000000000001 RSI: 00005611063321d0 RDI: 0000000000000001
[  117.695039][    C0] RBP: 00007ffd047da170 R08: 0000000000000000 R09: 0000000000000000
[  117.695040][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  117.695041][    C0] R13: 00005611062f9010 R14: 0000000000000001 R15: 00005611063321d0
| [  117.758869][    C0]
| [  117.758935][    C0]
| [  117.758935][    C0] stack backtrace:
| [  117.759154][    C0] Tainted: [W]=WARN
[  117.759155][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.759157][    C0] Call Trace:
[  117.759158][    C0]  <IRQ>
[  117.759159][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.759163][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  117.759166][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  117.759169][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  117.759171][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  117.759173][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  117.759175][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  117.759177][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  117.759179][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.759181][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.759183][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  117.759185][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[  117.759186][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  117.759187][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  117.759189][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  117.759190][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  117.759192][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  117.759194][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  117.759197][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.759198][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.759200][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  117.759202][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  117.759204][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  117.759206][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  117.759208][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.759211][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.759213][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  117.759215][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  117.759217][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.759218][    C0]  handle_softirqs (kernel/softirq.c:645)
[  117.759220][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.759222][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  117.759224][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  117.759225][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  117.759227][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  117.759229][    C0]  </IRQ>
[  117.759229][    C0]  <TASK>
[  117.759230][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  117.759231][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[  117.759233][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 80 78 fd 48 89 df e8 49 d6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 d0 9e 6a fd 65 48 83 3d af ab 65 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 41 80 78 fd       	call   0xfffffffffd788054
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 49 d6 78 fd       	call   0xfffffffffd78d664
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9f04
  34:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9eda
   a:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  117.759235][    C0] RSP: 0018:ffa0000001957a80 EFLAGS: 00000246
[  117.759237][    C0] RAX: 0000000000000086 RBX: ffffffffacefe500 RCX: ffffffffa8be1483
[  117.759238][    C0] RDX: ff1100001010c740 RSI: ffffffffa9511027 RDI: ffffffffa8e949e0
[  117.759239][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000000
[  117.759240][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffacefe620
[  117.759241][    C0] R13: 0000000000000001 R14: ffffffffacefe658 R15: ff11000010262800
[  117.759242][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[  117.759244][    C0]  uart_write (./include/linux/spinlock.h:425 (discriminator 3) ./include/linux/serial_core.h:794 (discriminator 3) drivers/tty/serial/serial_core.c:92 (discriminator 3) drivers/tty/serial/serial_core.c:89 (discriminator 3) drivers/tty/serial/serial_core.c:631 (discriminator 3))
[  117.759246][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[  117.759249][    C0]  n_tty_write (drivers/tty/n_tty.c:2366)
[  117.759251][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188)
[  117.759253][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1))
[  117.759254][    C0]  ? add_wait_queue_priority_exclusive (./include/linux/list.h:99)
[  117.759257][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  117.759259][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1006)
[  117.759261][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243)
[  117.759262][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1054)
[  117.759264][    C0]  ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8))
[  117.759266][    C0]  new_sync_write (fs/read_write.c:595)
[  117.759268][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  117.759269][    C0]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  117.759270][    C0]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  117.759272][    C0]  ? new_sync_read (./include/linux/ioprio.h:41)
[  117.759274][    C0]  vfs_write (fs/read_write.c:687)
[  117.759276][    C0]  ksys_write (fs/read_write.c:739)
[  117.759278][    C0]  ? __ia32_sys_read (fs/read_write.c:723)
[  117.759279][    C0]  ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207)
[  117.759281][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.759283][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.759285][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[  117.759286][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.759287][    C0] RIP: 0033:0x7f599f16b54e
[  117.759289][    C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  117.759290][    C0] RSP: 002b:00007ffd047da160 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  117.759292][    C0] RAX: ffffffffffffffda RBX: 00005611063321d0 RCX: 00007f599f16b54e
[  117.759293][    C0] RDX: 0000000000000001 RSI: 00005611063321d0 RDI: 0000000000000001
[  117.759294][    C0] RBP: 00007ffd047da170 R08: 0000000000000000 R09: 0000000000000000
[  117.759294][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  117.759295][    C0] R13: 00005611062f9010 R14: 0000000000000001 R15: 00005611063321d0
| [  118.699891][ T2746] softirqs last disabled at (0): 0x0
| [  118.699893][ T2746] Preemption disabled at:
| [  118.699893][ T2746] vprintk_emit (kernel/printk/printk.c:2471)
| [  118.699903][ T2746] Tainted: [W]=WARN
[  118.699904][ T2746] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  118.699905][ T2746] Call Trace:
[  118.699907][ T2746]  <TASK>
[  118.699908][ T2746]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  118.699914][ T2746]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  118.699915][ T2746]  __might_resched.cold (kernel/sched/core.c:9234)
[  118.699919][ T2746]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  118.699922][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.699925][ T2746]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  118.699927][ T2746]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.699930][ T2746]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.699935][ T2746]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  118.699937][ T2746]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  118.699940][ T2746]  put_chars (drivers/char/virtio_console.c:1176)
[  118.699941][ T2746]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  118.699942][ T2746]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  118.699945][ T2746]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  118.699947][ T2746]  ? pointer (lib/vsprintf.c:2577)
[  118.699951][ T2746]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  118.699955][ T2746]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  118.699957][ T2746]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.699959][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.699961][ T2746]  console_emit_next_record (kernel/printk/printk.c:3183)
[  118.699964][ T2746]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  118.699966][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.699967][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.699968][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.699969][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.699971][ T2746]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  118.699973][ T2746]  console_flush_one_record (kernel/printk/printk.c:3268)
[  118.699976][ T2746]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  118.699978][ T2746]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  118.699980][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.699982][ T2746]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  118.699984][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.699984][ T2746]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.699986][ T2746]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  118.699987][ T2746]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  118.699989][ T2746]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  118.699991][ T2746]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  118.699992][ T2746]  vprintk_emit (kernel/printk/printk.c:2479)
[  118.699994][ T2746]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  118.699995][ T2746]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  118.699998][ T2746]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.700001][ T2746]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  118.700003][ T2746]  _printk (kernel/printk/printk.c:2504)
[  118.700006][ T2746]  ? snapshot_read.cold (user.c:?)
[  118.700008][ T2746]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  118.700011][ T2746]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  118.700014][ T2746]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  118.700016][ T2746]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  118.700019][ T2746]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  118.700021][ T2746]  ? netdev_notice (net/core/dev.c:13194)
[  118.700023][ T2746]  ? 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)
[  118.700025][ T2746]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  118.700028][ T2746]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  118.700029][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700030][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700031][ T2746]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  118.700033][ T2746]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  118.700034][ T2746]  ? 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)
[  118.700036][ T2746]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  118.700037][ T2746]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  118.700039][ T2746]  ? register_netdev (net/core/dev.c:11618)
[  118.700040][ T2746]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.700042][ T2746]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  118.700045][ T2746]  ? __kernel_text_address (kernel/extable.c:79)
[  118.700047][ T2746]  ? write_profile (profile.c:?)
[  118.700050][ T2746]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  118.700054][ T2746]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  118.700056][ T2746]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  118.700058][ T2746]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  118.700059][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700060][ T2746]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.700063][ T2746]  ? kasan_save_stack (mm/kasan/common.c:58)
[  118.700065][ T2746]  ? kasan_save_stack (mm/kasan/common.c:57)
[  118.700066][ T2746]  ? kasan_save_track (mm/kasan/common.c:78)
[  118.700068][ T2746]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  118.700069][ T2746]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  118.700070][ T2746]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  118.700071][ T2746]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.700072][ T2746]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.700075][ T2746]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.700077][ T2746]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.700078][ T2746]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  118.700081][ T2746]  ? ____sys_sendmsg (net/socket.c:2713)
[  118.700082][ T2746]  ? ___sys_sendmsg (net/socket.c:2767)
[  118.700084][ T2746]  ? __sys_sendmsg (net/socket.c:2799)
[  118.700085][ T2746]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.700088][ T2746]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.700090][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700091][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.700093][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700094][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700095][ T2746]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  118.700096][ T2746]  ? __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)
[  118.700097][ T2746]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  118.700099][ T2746]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  118.700100][ T2746]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  118.700101][ T2746]  ? nla_get_range_signed (lib/nlattr.c:270)
[  118.700104][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700106][ T2746]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  118.700108][ T2746]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  118.700110][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700111][ T2746]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.700112][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.700113][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700115][ T2746]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  118.700117][ T2746]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  118.700118][ T2746]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  118.700120][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700121][ T2746]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  118.700124][ T2746]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  118.700127][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700128][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.700129][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700130][ T2746]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  118.700132][ T2746]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  118.700133][ T2746]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.700134][ T2746]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.700136][ T2746]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  118.700138][ T2746]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  118.700140][ T2746]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  118.700141][ T2746]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.700143][ T2746]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  118.700144][ T2746]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  118.700148][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700149][ T2746]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  118.700151][ T2746]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  118.700153][ T2746]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  118.700155][ T2746]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.700156][ T2746]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  118.700159][ T2746]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  118.700160][ T2746]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  118.700162][ T2746]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  118.700163][ T2746]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  118.700166][ T2746]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  118.700168][ T2746]  ____sys_sendmsg (net/socket.c:2713)
[  118.700170][ T2746]  ? copy_msghdr_from_user (net/socket.c:2650)
[  118.700172][ T2746]  ? sock_write_iter (net/socket.c:1269)
[  118.700173][ T2746]  ? move_addr_to_kernel (net/socket.c:258)
[  118.700175][ T2746]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  118.700177][ T2746]  ___sys_sendmsg (net/socket.c:2767)
[  118.700179][ T2746]  ? copy_msghdr_from_user (net/socket.c:2619)
[  118.700184][ T2746]  __sys_sendmsg (net/socket.c:2799)
[  118.700186][ T2746]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  118.700189][ T2746]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  118.700190][ T2746]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  118.700192][ T2746]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  118.700194][ T2746]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  118.700195][ T2746] RIP: 0033:0x7fa23a52e54e
[  118.700197][ T2746] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  118.700199][ T2746] RSP: 002b:00007ffd62d324e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  118.700202][ T2746] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa23a52e54e
[  118.700204][ T2746] RDX: 0000000000000000 RSI: 00007ffd62d32590 RDI: 0000000000000005
[  118.700205][ T2746] RBP: 00007ffd62d324f0 R08: 0000000000000000 R09: 0000000000000000
[  118.700206][ T2746] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb80
[  118.700207][ T2746] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd62d32c50
| [  119.871936][ T2820] softirqs last disabled at (0): 0x0
| [  119.871938][ T2820] Preemption disabled at:
| [  119.871939][ T2820] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.871950][ T2820] Tainted: [W]=WARN
[  119.871950][ T2820] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.871952][ T2820] Call Trace:
[  119.871953][ T2820]  <TASK>
[  119.871955][ T2820]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.871960][ T2820]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.871962][ T2820]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.871965][ T2820]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  119.871967][ T2820]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.871970][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.871973][ T2820]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  119.871977][ T2820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.871980][ T2820]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.871985][ T2820]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  119.871987][ T2820]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.871989][ T2820]  put_chars (drivers/char/virtio_console.c:1176)
[  119.871991][ T2820]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.871993][ T2820]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  119.871995][ T2820]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.872000][ T2820]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.872001][ T2820]  ? vsnprintf (lib/vsprintf.c:2900)
[  119.872005][ T2820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.872006][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872008][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872009][ T2820]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.872012][ T2820]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.872014][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872015][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872016][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872017][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872020][ T2820]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  119.872021][ T2820]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.872024][ T2820]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.872026][ T2820]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.872028][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872030][ T2820]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.872031][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872032][ T2820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.872034][ T2820]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  119.872035][ T2820]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  119.872037][ T2820]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.872039][ T2820]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.872040][ T2820]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.872042][ T2820]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.872043][ T2820]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.872044][ T2820]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.872047][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872049][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872050][ T2820]  _printk (kernel/printk/printk.c:2504)
[  119.872053][ T2820]  ? snapshot_read.cold (user.c:?)
[  119.872055][ T2820]  ? br_multicast_flood (??:?)
[  119.872059][ T2820]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  119.872062][ T2820]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  119.872063][ T2820]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  119.872065][ T2820]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  119.872067][ T2820]  br_init_port (net/bridge/br_stp_if.c:39)
[  119.872069][ T2820]  new_nbp (net/bridge/br_if.c:449)
[  119.872071][ T2820]  br_add_if (net/bridge/br_if.c:592)
[  119.872073][ T2820]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  119.872077][ T2820]  do_set_master (net/core/rtnetlink.c:3071)
[  119.872079][ T2820]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  119.872081][ T2820]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  119.872082][ T2820]  ? __dev_get_by_name (net/core/dev.c:905)
[  119.872084][ T2820]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  119.872088][ T2820]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  119.872090][ T2820]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  119.872093][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872094][ T2820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  119.872095][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872097][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872098][ T2820]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  119.872101][ T2820]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  119.872102][ T2820]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  119.872104][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872105][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872107][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872108][ T2820]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  119.872109][ T2820]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  119.872111][ T2820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.872112][ T2820]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.872114][ T2820]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  119.872118][ T2820]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.872120][ T2820]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.872122][ T2820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.872123][ T2820]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.872125][ T2820]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  119.872128][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872129][ T2820]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.872131][ T2820]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.872133][ T2820]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.872135][ T2820]  ? next_uptodate_folio (mm/filemap.c:3747)
[  119.872138][ T2820]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.872140][ T2820]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.872142][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872143][ T2820]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  119.872147][ T2820]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  119.872150][ T2820]  ____sys_sendmsg (net/socket.c:2713)
[  119.872151][ T2820]  ? copy_msghdr_from_user (net/socket.c:2650)
[  119.872153][ T2820]  ? sock_write_iter (net/socket.c:1269)
[  119.872154][ T2820]  ? move_addr_to_kernel (net/socket.c:258)
[  119.872156][ T2820]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  119.872159][ T2820]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.872161][ T2820]  ___sys_sendmsg (net/socket.c:2767)
[  119.872162][ T2820]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  119.872164][ T2820]  ? copy_msghdr_from_user (net/socket.c:2619)
[  119.872165][ T2820]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  119.872170][ T2820]  __sys_sendmsg (net/socket.c:2799)
[  119.872172][ T2820]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  119.872174][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872175][ T2820]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.872177][ T2820]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.872179][ T2820]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  119.872181][ T2820]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.872184][ T2820] RIP: 0033:0x7f73e485a54e
[  119.872186][ T2820] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  119.872188][ T2820] RSP: 002b:00007fffdf3e20b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.872191][ T2820] RAX: ffffffffffffffda RBX: 00007fffdf3e2878 RCX: 00007f73e485a54e
[  119.872193][ T2820] RDX: 0000000000000000 RSI: 00007fffdf3e2160 RDI: 0000000000000005
[  119.872194][ T2820] RBP: 00007fffdf3e20c0 R08: 0000000000000000 R09: 0000000000000000
[  119.872194][ T2820] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb81
[  119.872195][ T2820] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdf3e2830
| [  121.049139][ T2879] softirqs last disabled at (0): 0x0
| [  121.049140][ T2879] Preemption disabled at:
| [  121.049141][ T2879] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.049152][ T2879] Tainted: [W]=WARN
[  121.049153][ T2879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.049155][ T2879] Call Trace:
[  121.049156][ T2879]  <TASK>
[  121.049157][ T2879]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.049163][ T2879]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.049165][ T2879]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.049169][ T2879]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  121.049171][ T2879]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.049175][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049177][ T2879]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  121.049180][ T2879]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.049183][ T2879]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.049189][ T2879]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  121.049191][ T2879]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.049193][ T2879]  put_chars (drivers/char/virtio_console.c:1176)
[  121.049195][ T2879]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.049197][ T2879]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  121.049199][ T2879]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.049204][ T2879]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.049206][ T2879]  ? vsnprintf (lib/vsprintf.c:2900)
[  121.049209][ T2879]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.049211][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049212][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049214][ T2879]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.049217][ T2879]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.049219][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049220][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049221][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049222][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049225][ T2879]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.049227][ T2879]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.049229][ T2879]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.049232][ T2879]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.049234][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049236][ T2879]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.049238][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049239][ T2879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.049240][ T2879]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  121.049242][ T2879]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  121.049244][ T2879]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.049246][ T2879]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.049247][ T2879]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.049249][ T2879]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.049250][ T2879]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.049252][ T2879]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.049255][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049256][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049258][ T2879]  _printk (kernel/printk/printk.c:2504)
[  121.049261][ T2879]  ? snapshot_read.cold (user.c:?)
[  121.049263][ T2879]  ? br_multicast_flood (??:?)
[  121.049266][ T2879]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  121.049269][ T2879]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  121.049271][ T2879]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  121.049273][ T2879]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  121.049275][ T2879]  br_init_port (net/bridge/br_stp_if.c:39)
[  121.049278][ T2879]  new_nbp (net/bridge/br_if.c:449)
[  121.049280][ T2879]  br_add_if (net/bridge/br_if.c:592)
[  121.049282][ T2879]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  121.049286][ T2879]  do_set_master (net/core/rtnetlink.c:3071)
[  121.049288][ T2879]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  121.049290][ T2879]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  121.049291][ T2879]  ? __dev_get_by_name (net/core/dev.c:905)
[  121.049293][ T2879]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  121.049297][ T2879]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  121.049300][ T2879]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  121.049302][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049303][ T2879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.049305][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049306][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049308][ T2879]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  121.049310][ T2879]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.049312][ T2879]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  121.049315][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049316][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049317][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049319][ T2879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.049320][ T2879]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.049322][ T2879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.049323][ T2879]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.049325][ T2879]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.049329][ T2879]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.049332][ T2879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.049333][ T2879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.049335][ T2879]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.049337][ T2879]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.049340][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049341][ T2879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.049343][ T2879]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.049345][ T2879]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.049348][ T2879]  ? next_uptodate_folio (mm/filemap.c:3747)
[  121.049351][ T2879]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.049353][ T2879]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.049355][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049357][ T2879]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  121.049361][ T2879]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  121.049364][ T2879]  ____sys_sendmsg (net/socket.c:2713)
[  121.049366][ T2879]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.049368][ T2879]  ? sock_write_iter (net/socket.c:1269)
[  121.049369][ T2879]  ? move_addr_to_kernel (net/socket.c:258)
[  121.049371][ T2879]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  121.049374][ T2879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.049376][ T2879]  ___sys_sendmsg (net/socket.c:2767)
[  121.049378][ T2879]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  121.049380][ T2879]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.049382][ T2879]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  121.049386][ T2879]  __sys_sendmsg (net/socket.c:2799)
[  121.049389][ T2879]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.049391][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049393][ T2879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.049394][ T2879]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.049397][ T2879]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.049399][ T2879]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.049401][ T2879] RIP: 0033:0x7f84d980954e
[  121.049404][ T2879] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  121.049406][ T2879] RSP: 002b:00007ffdfd1b6270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.049409][ T2879] RAX: ffffffffffffffda RBX: 00007ffdfd1b6a38 RCX: 00007f84d980954e
[  121.049411][ T2879] RDX: 0000000000000000 RSI: 00007ffdfd1b6320 RDI: 0000000000000005
[  121.049412][ T2879] RBP: 00007ffdfd1b6280 R08: 0000000000000000 R09: 0000000000000000
[  121.049413][ T2879] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb82
[  121.049414][ T2879] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfd1b69f0
| [  128.484776][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  128.484778][   T68] Preemption disabled at:
| [  128.484779][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.484790][   T68] Tainted: [W]=WARN
[  128.484791][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.484792][   T68] Workqueue: netns cleanup_net
[  128.484798][   T68] Call Trace:
[  128.484799][   T68]  <TASK>
[  128.484801][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.484806][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.484808][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.484811][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  128.484813][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.484817][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484820][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  128.484822][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.484825][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.484830][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  128.484832][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.484835][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  128.484836][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.484838][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  128.484840][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.484845][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.484847][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  128.484849][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.484851][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484852][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484854][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.484856][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.484858][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484859][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484860][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484862][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.484864][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  128.484866][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.484868][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.484871][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.484872][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.484874][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.484876][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484877][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  128.484878][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  128.484880][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  128.484881][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.484883][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.484885][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.484886][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.484888][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  128.484889][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  128.484892][   T68]  ? kthread (kernel/kthread.c:436)
[  128.484894][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  128.484896][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  128.484899][   T68]  _printk (kernel/printk/printk.c:2504)
[  128.484902][   T68]  ? snapshot_read.cold (user.c:?)
[  128.484904][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  128.484907][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  128.484909][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  128.484912][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  128.484914][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484915][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  128.484916][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  128.484919][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  128.484921][   T68]  ? 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)
[  128.484922][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  128.484924][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  128.484927][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  128.484931][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  128.484933][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  128.484935][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  128.484937][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  128.484939][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  128.484942][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  128.484944][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  128.484946][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.484948][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.484949][   T68]  process_one_work (kernel/workqueue.c:3387)
[  128.484952][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  128.484954][   T68]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.484956][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  128.484959][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  128.484961][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  128.484963][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  128.484965][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  128.484966][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  128.484968][   T68]  kthread (kernel/kthread.c:436)
[  128.484970][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  128.484972][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  128.484973][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  128.484975][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  128.484977][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  128.484980][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  128.484982][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  129.670045][ T3169] softirqs last disabled at (0): 0x0
| [  129.670047][ T3169] Preemption disabled at:
| [  129.670048][ T3169] vprintk_emit (kernel/printk/printk.c:2471)
| [  129.670057][ T3169] Tainted: [W]=WARN
[  129.670058][ T3169] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  129.670060][ T3169] Call Trace:
[  129.670062][ T3169]  <TASK>
[  129.670063][ T3169]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  129.670069][ T3169]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  129.670070][ T3169]  __might_resched.cold (kernel/sched/core.c:9234)
[  129.670073][ T3169]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  129.670075][ T3169]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.670079][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670081][ T3169]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  129.670084][ T3169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.670087][ T3169]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.670092][ T3169]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  129.670094][ T3169]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.670096][ T3169]  put_chars (drivers/char/virtio_console.c:1176)
[  129.670098][ T3169]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  129.670100][ T3169]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  129.670102][ T3169]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  129.670107][ T3169]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  129.670108][ T3169]  ? vsnprintf (lib/vsprintf.c:2900)
[  129.670112][ T3169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.670113][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670114][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670116][ T3169]  console_emit_next_record (kernel/printk/printk.c:3183)
[  129.670119][ T3169]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  129.670121][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670122][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670123][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670124][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670126][ T3169]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  129.670128][ T3169]  console_flush_one_record (kernel/printk/printk.c:3268)
[  129.670131][ T3169]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  129.670133][ T3169]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  129.670135][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670137][ T3169]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  129.670138][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670139][ T3169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.670141][ T3169]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  129.670142][ T3169]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  129.670144][ T3169]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  129.670146][ T3169]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  129.670147][ T3169]  vprintk_emit (kernel/printk/printk.c:2479)
[  129.670149][ T3169]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  129.670150][ T3169]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.670152][ T3169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  129.670155][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670156][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670157][ T3169]  _printk (kernel/printk/printk.c:2504)
[  129.670160][ T3169]  ? snapshot_read.cold (user.c:?)
[  129.670162][ T3169]  ? br_multicast_flood (??:?)
[  129.670166][ T3169]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  129.670168][ T3169]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  129.670169][ T3169]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.670171][ T3169]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  129.670174][ T3169]  br_init_port (net/bridge/br_stp_if.c:39)
[  129.670175][ T3169]  new_nbp (net/bridge/br_if.c:449)
[  129.670178][ T3169]  br_add_if (net/bridge/br_if.c:592)
[  129.670179][ T3169]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  129.670184][ T3169]  do_set_master (net/core/rtnetlink.c:3071)
[  129.670185][ T3169]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  129.670187][ T3169]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  129.670189][ T3169]  ? __dev_get_by_name (net/core/dev.c:905)
[  129.670191][ T3169]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  129.670195][ T3169]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  129.670197][ T3169]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.670199][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670200][ T3169]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.670202][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670203][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670204][ T3169]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  129.670207][ T3169]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  129.670209][ T3169]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  129.670211][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670212][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670214][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670215][ T3169]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.670216][ T3169]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  129.670218][ T3169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.670219][ T3169]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  129.670220][ T3169]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  129.670224][ T3169]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  129.670227][ T3169]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.670228][ T3169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.670230][ T3169]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  129.670231][ T3169]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  129.670234][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670235][ T3169]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.670237][ T3169]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  129.670239][ T3169]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  129.670241][ T3169]  ? next_uptodate_folio (mm/filemap.c:3747)
[  129.670244][ T3169]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  129.670246][ T3169]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  129.670248][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670250][ T3169]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  129.670253][ T3169]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  129.670256][ T3169]  ____sys_sendmsg (net/socket.c:2713)
[  129.670258][ T3169]  ? copy_msghdr_from_user (net/socket.c:2650)
[  129.670260][ T3169]  ? sock_write_iter (net/socket.c:1269)
[  129.670261][ T3169]  ? move_addr_to_kernel (net/socket.c:258)
[  129.670263][ T3169]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  129.670266][ T3169]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.670268][ T3169]  ___sys_sendmsg (net/socket.c:2767)
[  129.670269][ T3169]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  129.670271][ T3169]  ? copy_msghdr_from_user (net/socket.c:2619)
[  129.670273][ T3169]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  129.670277][ T3169]  __sys_sendmsg (net/socket.c:2799)
[  129.670279][ T3169]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  129.670282][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670283][ T3169]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.670285][ T3169]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  129.670287][ T3169]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  129.670289][ T3169]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  129.670291][ T3169] RIP: 0033:0x7fa0681d254e
[  129.670293][ T3169] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  129.670295][ T3169] RSP: 002b:00007ffe554f3c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  129.670298][ T3169] RAX: ffffffffffffffda RBX: 00007ffe554f4448 RCX: 00007fa0681d254e
[  129.670300][ T3169] RDX: 0000000000000000 RSI: 00007ffe554f3d30 RDI: 0000000000000005
[  129.670300][ T3169] RBP: 00007ffe554f3c90 R08: 0000000000000000 R09: 0000000000000000
[  129.670301][ T3169] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb8b
[  129.670302][ T3169] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe554f4400
| [  130.980242][ T3238] softirqs last disabled at (0): 0x0
| [  130.980244][ T3238] Preemption disabled at:
| [  130.980244][ T3238] vprintk_emit (kernel/printk/printk.c:2471)
| [  130.980255][ T3238] Tainted: [W]=WARN
[  130.980256][ T3238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  130.980257][ T3238] Call Trace:
[  130.980259][ T3238]  <TASK>
[  130.980260][ T3238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  130.980265][ T3238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  130.980267][ T3238]  __might_resched.cold (kernel/sched/core.c:9234)
[  130.980271][ T3238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  130.980274][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980277][ T3238]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  130.980280][ T3238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  130.980283][ T3238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.980288][ T3238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  130.980290][ T3238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  130.980292][ T3238]  put_chars (drivers/char/virtio_console.c:1176)
[  130.980294][ T3238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  130.980295][ T3238]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  130.980297][ T3238]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  130.980299][ T3238]  ? pointer (lib/vsprintf.c:2577)
[  130.980303][ T3238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  130.980307][ T3238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  130.980309][ T3238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  130.980311][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980314][ T3238]  console_emit_next_record (kernel/printk/printk.c:3183)
[  130.980316][ T3238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  130.980318][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980319][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980320][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980321][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980323][ T3238]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  130.980325][ T3238]  console_flush_one_record (kernel/printk/printk.c:3268)
[  130.980328][ T3238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  130.980330][ T3238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  130.980332][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980334][ T3238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  130.980335][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980336][ T3238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.980338][ T3238]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  130.980339][ T3238]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  130.980341][ T3238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  130.980343][ T3238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  130.980344][ T3238]  vprintk_emit (kernel/printk/printk.c:2479)
[  130.980346][ T3238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  130.980347][ T3238]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  130.980350][ T3238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  130.980353][ T3238]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  130.980355][ T3238]  _printk (kernel/printk/printk.c:2504)
[  130.980358][ T3238]  ? snapshot_read.cold (user.c:?)
[  130.980360][ T3238]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  130.980363][ T3238]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  130.980366][ T3238]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  130.980368][ T3238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  130.980371][ T3238]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  130.980373][ T3238]  ? netdev_notice (net/core/dev.c:13194)
[  130.980375][ T3238]  ? 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)
[  130.980377][ T3238]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  130.980379][ T3238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  130.980381][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980382][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980383][ T3238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  130.980384][ T3238]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  130.980386][ T3238]  ? 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)
[  130.980387][ T3238]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  130.980389][ T3238]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  130.980390][ T3238]  ? register_netdev (net/core/dev.c:11618)
[  130.980391][ T3238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.980393][ T3238]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  130.980396][ T3238]  ? __kernel_text_address (kernel/extable.c:79)
[  130.980399][ T3238]  ? write_profile (profile.c:?)
[  130.980402][ T3238]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  130.980406][ T3238]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  130.980407][ T3238]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  130.980409][ T3238]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  130.980410][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980411][ T3238]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  130.980414][ T3238]  ? kasan_save_stack (mm/kasan/common.c:58)
[  130.980416][ T3238]  ? kasan_save_stack (mm/kasan/common.c:57)
[  130.980417][ T3238]  ? kasan_save_track (mm/kasan/common.c:78)
[  130.980418][ T3238]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  130.980420][ T3238]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  130.980421][ T3238]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  130.980422][ T3238]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  130.980423][ T3238]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  130.980426][ T3238]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  130.980427][ T3238]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  130.980429][ T3238]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  130.980431][ T3238]  ? ____sys_sendmsg (net/socket.c:2713)
[  130.980433][ T3238]  ? ___sys_sendmsg (net/socket.c:2767)
[  130.980434][ T3238]  ? __sys_sendmsg (net/socket.c:2799)
[  130.980436][ T3238]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  130.980438][ T3238]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  130.980440][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980441][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980443][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980444][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980445][ T3238]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  130.980446][ T3238]  ? __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)
[  130.980447][ T3238]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  130.980449][ T3238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  130.980450][ T3238]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  130.980451][ T3238]  ? nla_get_range_signed (lib/nlattr.c:270)
[  130.980454][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980456][ T3238]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  130.980458][ T3238]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  130.980460][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980461][ T3238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.980462][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980463][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980465][ T3238]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  130.980467][ T3238]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  130.980468][ T3238]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  130.980470][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980471][ T3238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  130.980474][ T3238]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  130.980476][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980477][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980479][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980480][ T3238]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  130.980481][ T3238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  130.980483][ T3238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  130.980484][ T3238]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  130.980486][ T3238]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  130.980488][ T3238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  130.980490][ T3238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  130.980491][ T3238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.980492][ T3238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  130.980494][ T3238]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  130.980497][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980498][ T3238]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  130.980500][ T3238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  130.980502][ T3238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  130.980504][ T3238]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  130.980506][ T3238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  130.980508][ T3238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  130.980510][ T3238]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  130.980511][ T3238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  130.980513][ T3238]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  130.980516][ T3238]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  130.980518][ T3238]  ____sys_sendmsg (net/socket.c:2713)
[  130.980519][ T3238]  ? copy_msghdr_from_user (net/socket.c:2650)
[  130.980521][ T3238]  ? sock_write_iter (net/socket.c:1269)
[  130.980522][ T3238]  ? move_addr_to_kernel (net/socket.c:258)
[  130.980524][ T3238]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  130.980526][ T3238]  ___sys_sendmsg (net/socket.c:2767)
[  130.980528][ T3238]  ? copy_msghdr_from_user (net/socket.c:2619)
[  130.980533][ T3238]  __sys_sendmsg (net/socket.c:2799)
[  130.980535][ T3238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  130.980538][ T3238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  130.980539][ T3238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  130.980541][ T3238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  130.980543][ T3238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  130.980544][ T3238] RIP: 0033:0x7f1c0ad0f54e
[  130.980546][ T3238] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  130.980548][ T3238] RSP: 002b:00007ffe0b5faf20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  130.980552][ T3238] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1c0ad0f54e
[  130.980553][ T3238] RDX: 0000000000000000 RSI: 00007ffe0b5fafd0 RDI: 0000000000000005
[  130.980554][ T3238] RBP: 00007ffe0b5faf30 R08: 0000000000000000 R09: 0000000000000000
[  130.980555][ T3238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb8c
[  130.980556][ T3238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0b5fb690
| [  132.037813][ T3288] softirqs last disabled at (0): 0x0
| [  132.037815][ T3288] Preemption disabled at:
| [  132.037816][ T3288] vprintk_emit (kernel/printk/printk.c:2471)
| [  132.037825][ T3288] Tainted: [W]=WARN
[  132.037826][ T3288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  132.037828][ T3288] Call Trace:
[  132.037829][ T3288]  <TASK>
[  132.037830][ T3288]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  132.037836][ T3288]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  132.037837][ T3288]  __might_resched.cold (kernel/sched/core.c:9234)
[  132.037841][ T3288]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  132.037843][ T3288]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  132.037846][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037848][ T3288]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  132.037851][ T3288]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  132.037854][ T3288]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  132.037860][ T3288]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  132.037861][ T3288]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  132.037864][ T3288]  put_chars (drivers/char/virtio_console.c:1176)
[  132.037866][ T3288]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  132.037867][ T3288]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  132.037870][ T3288]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  132.037874][ T3288]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  132.037876][ T3288]  ? vsnprintf (lib/vsprintf.c:2900)
[  132.037879][ T3288]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  132.037881][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037882][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037883][ T3288]  console_emit_next_record (kernel/printk/printk.c:3183)
[  132.037886][ T3288]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  132.037888][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037889][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037890][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037891][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.037893][ T3288]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  132.037895][ T3288]  console_flush_one_record (kernel/printk/printk.c:3268)
[  132.037897][ T3288]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  132.037900][ T3288]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  132.037902][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.037904][ T3288]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  132.037905][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037906][ T3288]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  132.037908][ T3288]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  132.037909][ T3288]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  132.037911][ T3288]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  132.037913][ T3288]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  132.037914][ T3288]  vprintk_emit (kernel/printk/printk.c:2479)
[  132.037916][ T3288]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  132.037917][ T3288]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  132.037919][ T3288]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  132.037922][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.037923][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037924][ T3288]  _printk (kernel/printk/printk.c:2504)
[  132.037927][ T3288]  ? snapshot_read.cold (user.c:?)
[  132.037929][ T3288]  ? br_multicast_flood (??:?)
[  132.037933][ T3288]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  132.037936][ T3288]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  132.037937][ T3288]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  132.037939][ T3288]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  132.037941][ T3288]  br_init_port (net/bridge/br_stp_if.c:39)
[  132.037943][ T3288]  new_nbp (net/bridge/br_if.c:449)
[  132.037945][ T3288]  br_add_if (net/bridge/br_if.c:592)
[  132.037947][ T3288]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  132.037951][ T3288]  do_set_master (net/core/rtnetlink.c:3071)
[  132.037953][ T3288]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  132.037954][ T3288]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  132.037956][ T3288]  ? __dev_get_by_name (net/core/dev.c:905)
[  132.037957][ T3288]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  132.037961][ T3288]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  132.037964][ T3288]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  132.037966][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037967][ T3288]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  132.037968][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.037970][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037971][ T3288]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  132.037974][ T3288]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  132.037975][ T3288]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  132.037978][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037979][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.037980][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.037981][ T3288]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  132.037983][ T3288]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  132.037984][ T3288]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  132.037986][ T3288]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  132.037987][ T3288]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  132.037991][ T3288]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  132.037994][ T3288]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  132.037995][ T3288]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  132.037997][ T3288]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  132.037998][ T3288]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  132.038001][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.038002][ T3288]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  132.038004][ T3288]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  132.038006][ T3288]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  132.038008][ T3288]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  132.038011][ T3288]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  132.038013][ T3288]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  132.038016][ T3288]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  132.038018][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.038019][ T3288]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  132.038023][ T3288]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  132.038026][ T3288]  ____sys_sendmsg (net/socket.c:2713)
[  132.038028][ T3288]  ? copy_msghdr_from_user (net/socket.c:2650)
[  132.038029][ T3288]  ? sock_write_iter (net/socket.c:1269)
[  132.038031][ T3288]  ? move_addr_to_kernel (net/socket.c:258)
[  132.038033][ T3288]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  132.038035][ T3288]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  132.038037][ T3288]  ___sys_sendmsg (net/socket.c:2767)
[  132.038039][ T3288]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  132.038040][ T3288]  ? copy_msghdr_from_user (net/socket.c:2619)
[  132.038042][ T3288]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  132.038046][ T3288]  __sys_sendmsg (net/socket.c:2799)
[  132.038049][ T3288]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  132.038051][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.038052][ T3288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  132.038054][ T3288]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  132.038056][ T3288]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  132.038058][ T3288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  132.038060][ T3288] RIP: 0033:0x7f5e832ef54e
[  132.038062][ T3288] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  132.038064][ T3288] RSP: 002b:00007ffc2630fac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  132.038067][ T3288] RAX: ffffffffffffffda RBX: 00007ffc26310288 RCX: 00007f5e832ef54e
[  132.038069][ T3288] RDX: 0000000000000000 RSI: 00007ffc2630fb70 RDI: 0000000000000005
[  132.038069][ T3288] RBP: 00007ffc2630fad0 R08: 0000000000000000 R09: 0000000000000000
[  132.038070][ T3288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb8d
[  132.038071][ T3288] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc26310240
| [  138.859633][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  138.859635][   T68] Preemption disabled at:
| [  138.859636][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  138.859647][   T68] Tainted: [W]=WARN
[  138.859648][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.859649][   T68] Workqueue: netns cleanup_net
[  138.859655][   T68] Call Trace:
[  138.859656][   T68]  <TASK>
[  138.859658][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.859664][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  138.859665][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  138.859668][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  138.859671][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  138.859674][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859676][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  138.859679][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.859697][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.859702][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  138.859704][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.859706][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  138.859708][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  138.859709][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  138.859712][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  138.859717][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  138.859718][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  138.859721][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.859723][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859724][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859725][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  138.859728][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.859730][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859731][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859732][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859733][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.859735][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  138.859737][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.859740][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.859742][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.859744][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.859746][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.859747][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859748][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.859750][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  138.859751][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  138.859753][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.859755][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.859756][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.859758][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.859759][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  138.859761][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  138.859764][   T68]  ? kthread (kernel/kthread.c:436)
[  138.859766][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  138.859769][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  138.859771][   T68]  _printk (kernel/printk/printk.c:2504)
[  138.859774][   T68]  ? snapshot_read.cold (user.c:?)
[  138.859777][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  138.859780][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  138.859782][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  138.859784][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  138.859786][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859787][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  138.859789][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  138.859792][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  138.859793][   T68]  ? 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)
[  138.859795][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  138.859797][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  138.859799][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  138.859803][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  138.859805][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  138.859807][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  138.859809][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  138.859811][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  138.859814][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  138.859816][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  138.859818][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.859819][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.859821][   T68]  process_one_work (kernel/workqueue.c:3387)
[  138.859824][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  138.859826][   T68]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  138.859828][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.859830][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  138.859832][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  138.859834][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  138.859836][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  138.859838][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  138.859839][   T68]  kthread (kernel/kthread.c:436)
[  138.859841][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  138.859842][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  138.859844][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  138.859846][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  138.859848][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  138.859850][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  138.859852][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  140.038441][ T3546] softirqs last disabled at (0): 0x0
| [  140.038442][ T3546] Preemption disabled at:
| [  140.038443][ T3546] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.038453][ T3546] Tainted: [W]=WARN
[  140.038454][ T3546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.038456][ T3546] Call Trace:
[  140.038457][ T3546]  <TASK>
[  140.038459][ T3546]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.038464][ T3546]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.038465][ T3546]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.038469][ T3546]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  140.038471][ T3546]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.038475][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038477][ T3546]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  140.038480][ T3546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.038483][ T3546]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.038488][ T3546]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  140.038490][ T3546]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.038492][ T3546]  put_chars (drivers/char/virtio_console.c:1176)
[  140.038494][ T3546]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.038496][ T3546]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  140.038498][ T3546]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.038503][ T3546]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.038504][ T3546]  ? vsnprintf (lib/vsprintf.c:2900)
[  140.038507][ T3546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.038509][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038510][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038512][ T3546]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.038514][ T3546]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.038516][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038517][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038518][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038519][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038521][ T3546]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  140.038523][ T3546]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.038525][ T3546]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.038528][ T3546]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.038530][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038531][ T3546]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.038533][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038534][ T3546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.038535][ T3546]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  140.038537][ T3546]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  140.038538][ T3546]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.038540][ T3546]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.038542][ T3546]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.038543][ T3546]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.038544][ T3546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.038546][ T3546]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  140.038549][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038550][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038552][ T3546]  _printk (kernel/printk/printk.c:2504)
[  140.038555][ T3546]  ? snapshot_read.cold (user.c:?)
[  140.038557][ T3546]  ? br_multicast_flood (??:?)
[  140.038560][ T3546]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  140.038563][ T3546]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  140.038564][ T3546]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.038565][ T3546]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  140.038568][ T3546]  br_init_port (net/bridge/br_stp_if.c:39)
[  140.038570][ T3546]  new_nbp (net/bridge/br_if.c:449)
[  140.038572][ T3546]  br_add_if (net/bridge/br_if.c:592)
[  140.038574][ T3546]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  140.038578][ T3546]  do_set_master (net/core/rtnetlink.c:3071)
[  140.038580][ T3546]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  140.038581][ T3546]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  140.038582][ T3546]  ? __dev_get_by_name (net/core/dev.c:905)
[  140.038584][ T3546]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  140.038588][ T3546]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  140.038591][ T3546]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.038593][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038594][ T3546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.038595][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038597][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038598][ T3546]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  140.038601][ T3546]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  140.038602][ T3546]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  140.038605][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038606][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038607][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038609][ T3546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.038610][ T3546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.038612][ T3546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.038613][ T3546]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  140.038615][ T3546]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  140.038619][ T3546]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.038622][ T3546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.038623][ T3546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.038625][ T3546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.038626][ T3546]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  140.038629][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038630][ T3546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.038632][ T3546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.038634][ T3546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.038636][ T3546]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  140.038638][ T3546]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  140.038641][ T3546]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.038643][ T3546]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.038645][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038646][ T3546]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.038650][ T3546]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.038653][ T3546]  ____sys_sendmsg (net/socket.c:2713)
[  140.038654][ T3546]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.038656][ T3546]  ? sock_write_iter (net/socket.c:1269)
[  140.038657][ T3546]  ? move_addr_to_kernel (net/socket.c:258)
[  140.038659][ T3546]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  140.038662][ T3546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.038664][ T3546]  ___sys_sendmsg (net/socket.c:2767)
[  140.038665][ T3546]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  140.038667][ T3546]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.038668][ T3546]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  140.038673][ T3546]  __sys_sendmsg (net/socket.c:2799)
[  140.038675][ T3546]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.038678][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038679][ T3546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.038680][ T3546]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.038684][ T3546]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.038687][ T3546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.038688][ T3546] RIP: 0033:0x7fb56a3a054e
[  140.038694][ T3546] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  140.038696][ T3546] RSP: 002b:00007ffd67ab5680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.038700][ T3546] RAX: ffffffffffffffda RBX: 00007ffd67ab5e48 RCX: 00007fb56a3a054e
[  140.038701][ T3546] RDX: 0000000000000000 RSI: 00007ffd67ab5730 RDI: 0000000000000005
[  140.038702][ T3546] RBP: 00007ffd67ab5690 R08: 0000000000000000 R09: 0000000000000000
[  140.038703][ T3546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb95
[  140.038704][ T3546] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd67ab5e00
| [  141.328921][ T3615] softirqs last disabled at (0): 0x0
| [  141.328922][ T3615] Preemption disabled at:
| [  141.328923][ T3615] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.328933][ T3615] Tainted: [W]=WARN
[  141.328934][ T3615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.328935][ T3615] Call Trace:
[  141.328937][ T3615]  <TASK>
[  141.328938][ T3615]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.328943][ T3615]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.328945][ T3615]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.328948][ T3615]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.328952][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.328954][ T3615]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  141.328957][ T3615]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.328960][ T3615]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.328965][ T3615]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  141.328967][ T3615]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.328970][ T3615]  put_chars (drivers/char/virtio_console.c:1176)
[  141.328971][ T3615]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.328973][ T3615]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  141.328975][ T3615]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  141.328977][ T3615]  ? pointer (lib/vsprintf.c:2577)
[  141.328980][ T3615]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.328985][ T3615]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.328987][ T3615]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.328988][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.328991][ T3615]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.328994][ T3615]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.328996][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.328997][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.328998][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.328999][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.329001][ T3615]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  141.329002][ T3615]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.329005][ T3615]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.329007][ T3615]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.329009][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.329011][ T3615]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.329013][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329013][ T3615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.329015][ T3615]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  141.329017][ T3615]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  141.329018][ T3615]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.329020][ T3615]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.329021][ T3615]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.329023][ T3615]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.329024][ T3615]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  141.329027][ T3615]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  141.329030][ T3615]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  141.329032][ T3615]  _printk (kernel/printk/printk.c:2504)
[  141.329035][ T3615]  ? snapshot_read.cold (user.c:?)
[  141.329037][ T3615]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  141.329039][ T3615]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  141.329042][ T3615]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  141.329044][ T3615]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  141.329048][ T3615]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  141.329050][ T3615]  ? netdev_notice (net/core/dev.c:13194)
[  141.329052][ T3615]  ? 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)
[  141.329053][ T3615]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  141.329056][ T3615]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.329058][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329059][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329060][ T3615]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  141.329061][ T3615]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  141.329063][ T3615]  ? 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)
[  141.329064][ T3615]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  141.329065][ T3615]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  141.329067][ T3615]  ? register_netdev (net/core/dev.c:11618)
[  141.329068][ T3615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.329070][ T3615]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  141.329073][ T3615]  ? __kernel_text_address (kernel/extable.c:79)
[  141.329075][ T3615]  ? write_profile (profile.c:?)
[  141.329078][ T3615]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  141.329081][ T3615]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  141.329083][ T3615]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  141.329085][ T3615]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  141.329086][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329087][ T3615]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  141.329090][ T3615]  ? kasan_save_stack (mm/kasan/common.c:58)
[  141.329092][ T3615]  ? kasan_save_stack (mm/kasan/common.c:57)
[  141.329093][ T3615]  ? kasan_save_track (mm/kasan/common.c:78)
[  141.329094][ T3615]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  141.329096][ T3615]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  141.329097][ T3615]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  141.329098][ T3615]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.329099][ T3615]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.329102][ T3615]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.329103][ T3615]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.329105][ T3615]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.329107][ T3615]  ? ____sys_sendmsg (net/socket.c:2713)
[  141.329109][ T3615]  ? ___sys_sendmsg (net/socket.c:2767)
[  141.329110][ T3615]  ? __sys_sendmsg (net/socket.c:2799)
[  141.329112][ T3615]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.329114][ T3615]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.329117][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329118][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.329119][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329120][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329121][ T3615]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  141.329123][ T3615]  ? __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)
[  141.329124][ T3615]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  141.329125][ T3615]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  141.329126][ T3615]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  141.329127][ T3615]  ? nla_get_range_signed (lib/nlattr.c:270)
[  141.329130][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329132][ T3615]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  141.329134][ T3615]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.329136][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329137][ T3615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.329138][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.329139][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329141][ T3615]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  141.329143][ T3615]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  141.329144][ T3615]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  141.329145][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329146][ T3615]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  141.329149][ T3615]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  141.329152][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329153][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.329154][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329155][ T3615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.329157][ T3615]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.329158][ T3615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.329160][ T3615]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.329161][ T3615]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  141.329163][ T3615]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.329165][ T3615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.329166][ T3615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.329168][ T3615]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.329169][ T3615]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  141.329172][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329174][ T3615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.329175][ T3615]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.329178][ T3615]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.329179][ T3615]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.329181][ T3615]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.329183][ T3615]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.329185][ T3615]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  141.329186][ T3615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.329188][ T3615]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.329191][ T3615]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.329193][ T3615]  ____sys_sendmsg (net/socket.c:2713)
[  141.329194][ T3615]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.329196][ T3615]  ? sock_write_iter (net/socket.c:1269)
[  141.329197][ T3615]  ? move_addr_to_kernel (net/socket.c:258)
[  141.329199][ T3615]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.329201][ T3615]  ___sys_sendmsg (net/socket.c:2767)
[  141.329203][ T3615]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.329209][ T3615]  __sys_sendmsg (net/socket.c:2799)
[  141.329210][ T3615]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.329213][ T3615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.329215][ T3615]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.329216][ T3615]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.329218][ T3615]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.329220][ T3615] RIP: 0033:0x7fd48c85c54e
[  141.329221][ T3615] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  141.329223][ T3615] RSP: 002b:00007ffe7a84a550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.329227][ T3615] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd48c85c54e
[  141.329228][ T3615] RDX: 0000000000000000 RSI: 00007ffe7a84a600 RDI: 0000000000000005
[  141.329229][ T3615] RBP: 00007ffe7a84a560 R08: 0000000000000000 R09: 0000000000000000
[  141.329230][ T3615] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb96
[  141.329231][ T3615] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7a84acc0
| [  142.402765][ T3672] softirqs last disabled at (0): 0x0
| [  142.402767][ T3672] Preemption disabled at:
| [  142.402768][ T3672] vprintk_emit (kernel/printk/printk.c:2471)
| [  142.402778][ T3672] Tainted: [W]=WARN
[  142.402779][ T3672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  142.402780][ T3672] Call Trace:
[  142.402782][ T3672]  <TASK>
[  142.402783][ T3672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  142.402789][ T3672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  142.402790][ T3672]  __might_resched.cold (kernel/sched/core.c:9234)
[  142.402794][ T3672]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  142.402796][ T3672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  142.402799][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402802][ T3672]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  142.402805][ T3672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  142.402808][ T3672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  142.402813][ T3672]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  142.402814][ T3672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  142.402817][ T3672]  put_chars (drivers/char/virtio_console.c:1176)
[  142.402818][ T3672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  142.402820][ T3672]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  142.402822][ T3672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  142.402827][ T3672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  142.402829][ T3672]  ? vsnprintf (lib/vsprintf.c:2900)
[  142.402832][ T3672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  142.402833][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402834][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402836][ T3672]  console_emit_next_record (kernel/printk/printk.c:3183)
[  142.402839][ T3672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  142.402841][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402842][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402843][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402844][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402846][ T3672]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  142.402848][ T3672]  console_flush_one_record (kernel/printk/printk.c:3268)
[  142.402850][ T3672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  142.402853][ T3672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  142.402855][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402856][ T3672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  142.402858][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402859][ T3672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.402860][ T3672]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  142.402862][ T3672]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  142.402863][ T3672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  142.402865][ T3672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  142.402867][ T3672]  vprintk_emit (kernel/printk/printk.c:2479)
[  142.402868][ T3672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  142.402869][ T3672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  142.402871][ T3672]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  142.402874][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402876][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402877][ T3672]  _printk (kernel/printk/printk.c:2504)
[  142.402880][ T3672]  ? snapshot_read.cold (user.c:?)
[  142.402882][ T3672]  ? br_multicast_flood (??:?)
[  142.402885][ T3672]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  142.402888][ T3672]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  142.402889][ T3672]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  142.402891][ T3672]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  142.402893][ T3672]  br_init_port (net/bridge/br_stp_if.c:39)
[  142.402895][ T3672]  new_nbp (net/bridge/br_if.c:449)
[  142.402897][ T3672]  br_add_if (net/bridge/br_if.c:592)
[  142.402899][ T3672]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  142.402903][ T3672]  do_set_master (net/core/rtnetlink.c:3071)
[  142.402905][ T3672]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  142.402907][ T3672]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  142.402908][ T3672]  ? __dev_get_by_name (net/core/dev.c:905)
[  142.402910][ T3672]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  142.402914][ T3672]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  142.402917][ T3672]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  142.402919][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402920][ T3672]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  142.402921][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402923][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402924][ T3672]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  142.402927][ T3672]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  142.402929][ T3672]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  142.402931][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402932][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402934][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402935][ T3672]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  142.402936][ T3672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  142.402938][ T3672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  142.402939][ T3672]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  142.402941][ T3672]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  142.402945][ T3672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  142.402948][ T3672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  142.402949][ T3672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.402951][ T3672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  142.402952][ T3672]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  142.402955][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.402956][ T3672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  142.402958][ T3672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  142.402960][ T3672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  142.402962][ T3672]  ? next_uptodate_folio (mm/filemap.c:3747)
[  142.402965][ T3672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  142.402967][ T3672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  142.402969][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402971][ T3672]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  142.402974][ T3672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  142.402977][ T3672]  ____sys_sendmsg (net/socket.c:2713)
[  142.402979][ T3672]  ? copy_msghdr_from_user (net/socket.c:2650)
[  142.402980][ T3672]  ? sock_write_iter (net/socket.c:1269)
[  142.402982][ T3672]  ? move_addr_to_kernel (net/socket.c:258)
[  142.402984][ T3672]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  142.402986][ T3672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.402988][ T3672]  ___sys_sendmsg (net/socket.c:2767)
[  142.402990][ T3672]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  142.402991][ T3672]  ? copy_msghdr_from_user (net/socket.c:2619)
[  142.402993][ T3672]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  142.402998][ T3672]  __sys_sendmsg (net/socket.c:2799)
[  142.403000][ T3672]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  142.403002][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.403003][ T3672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.403005][ T3672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  142.403007][ T3672]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  142.403009][ T3672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  142.403011][ T3672] RIP: 0033:0x7ff0bb07654e
[  142.403013][ T3672] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  142.403015][ T3672] RSP: 002b:00007ffeb22d9820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  142.403019][ T3672] RAX: ffffffffffffffda RBX: 00007ffeb22d9fe8 RCX: 00007ff0bb07654e
[  142.403020][ T3672] RDX: 0000000000000000 RSI: 00007ffeb22d98d0 RDI: 0000000000000005
[  142.403021][ T3672] RBP: 00007ffeb22d9830 R08: 0000000000000000 R09: 0000000000000000
[  142.403022][ T3672] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb97
[  142.403023][ T3672] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb22d9fa0
| [  149.217724][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  149.217726][   T68] Preemption disabled at:
| [  149.217727][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.217737][   T68] Tainted: [W]=WARN
[  149.217738][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.217740][   T68] Workqueue: netns cleanup_net
[  149.217745][   T68] Call Trace:
[  149.217747][   T68]  <TASK>
[  149.217749][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.217760][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.217761][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.217765][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  149.217767][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.217770][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217772][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.217775][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.217778][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.217783][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.217784][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.217787][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  149.217789][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.217790][   T68]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  149.217793][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  149.217796][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.217800][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.217802][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217803][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.217805][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217806][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217808][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.217810][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.217813][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217814][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.217816][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.217818][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.217820][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.217823][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.217825][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.217826][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.217828][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217829][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.217831][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  149.217832][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  149.217833][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.217835][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.217837][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.217839][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.217840][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  149.217841][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  149.217844][   T68]  ? kthread (kernel/kthread.c:436)
[  149.217846][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  149.217848][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  149.217851][   T68]  _printk (kernel/printk/printk.c:2504)
[  149.217854][   T68]  ? snapshot_read.cold (user.c:?)
[  149.217856][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  149.217859][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  149.217861][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  149.217863][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  149.217865][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217867][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  149.217868][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  149.217871][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  149.217872][   T68]  ? 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)
[  149.217873][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  149.217876][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  149.217878][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  149.217882][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  149.217884][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  149.217886][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  149.217889][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  149.217890][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  149.217894][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  149.217895][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  149.217897][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.217899][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.217901][   T68]  process_one_work (kernel/workqueue.c:3387)
[  149.217904][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  149.217906][   T68]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.217908][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.217910][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  149.217912][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.217914][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  149.217916][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.217918][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.217920][   T68]  kthread (kernel/kthread.c:436)
[  149.217922][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  149.217923][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  149.217925][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  149.217927][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  149.217929][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  149.217931][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  149.217933][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  150.389692][ T3931] softirqs last disabled at (0): 0x0
| [  150.389693][ T3931] Preemption disabled at:
| [  150.389694][ T3931] vprintk_emit (kernel/printk/printk.c:2471)
| [  150.389704][ T3931] Tainted: [W]=WARN
[  150.389705][ T3931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  150.389707][ T3931] Call Trace:
[  150.389708][ T3931]  <TASK>
[  150.389710][ T3931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  150.389715][ T3931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  150.389717][ T3931]  __might_resched.cold (kernel/sched/core.c:9234)
[  150.389721][ T3931]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  150.389723][ T3931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  150.389727][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389730][ T3931]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  150.389732][ T3931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.389735][ T3931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  150.389740][ T3931]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  150.389742][ T3931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  150.389744][ T3931]  put_chars (drivers/char/virtio_console.c:1176)
[  150.389746][ T3931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  150.389748][ T3931]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  150.389750][ T3931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  150.389755][ T3931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  150.389757][ T3931]  ? vsnprintf (lib/vsprintf.c:2900)
[  150.389760][ T3931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.389761][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389768][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389770][ T3931]  console_emit_next_record (kernel/printk/printk.c:3183)
[  150.389773][ T3931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  150.389775][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389776][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389777][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389778][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389780][ T3931]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  150.389782][ T3931]  console_flush_one_record (kernel/printk/printk.c:3268)
[  150.389785][ T3931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  150.389788][ T3931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  150.389790][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389791][ T3931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  150.389793][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389794][ T3931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.389796][ T3931]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  150.389797][ T3931]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  150.389799][ T3931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  150.389801][ T3931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  150.389802][ T3931]  vprintk_emit (kernel/printk/printk.c:2479)
[  150.389804][ T3931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  150.389805][ T3931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.389807][ T3931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  150.389810][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389812][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389813][ T3931]  _printk (kernel/printk/printk.c:2504)
[  150.389816][ T3931]  ? snapshot_read.cold (user.c:?)
[  150.389818][ T3931]  ? br_multicast_flood (??:?)
[  150.389821][ T3931]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  150.389824][ T3931]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  150.389825][ T3931]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  150.389827][ T3931]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  150.389830][ T3931]  br_init_port (net/bridge/br_stp_if.c:39)
[  150.389832][ T3931]  new_nbp (net/bridge/br_if.c:449)
[  150.389834][ T3931]  br_add_if (net/bridge/br_if.c:592)
[  150.389836][ T3931]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  150.389840][ T3931]  do_set_master (net/core/rtnetlink.c:3071)
[  150.389842][ T3931]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  150.389844][ T3931]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  150.389845][ T3931]  ? __dev_get_by_name (net/core/dev.c:905)
[  150.389847][ T3931]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  150.389851][ T3931]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  150.389853][ T3931]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  150.389855][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389857][ T3931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  150.389858][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389860][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389861][ T3931]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  150.389864][ T3931]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  150.389866][ T3931]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  150.389868][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389869][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389871][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389872][ T3931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  150.389873][ T3931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  150.389875][ T3931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  150.389877][ T3931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  150.389878][ T3931]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  150.389882][ T3931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  150.389885][ T3931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  150.389886][ T3931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.389888][ T3931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  150.389890][ T3931]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  150.389893][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389894][ T3931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.389896][ T3931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  150.389898][ T3931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  150.389900][ T3931]  ? next_uptodate_folio (mm/filemap.c:3747)
[  150.389903][ T3931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  150.389905][ T3931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  150.389907][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389909][ T3931]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  150.389912][ T3931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  150.389915][ T3931]  ____sys_sendmsg (net/socket.c:2713)
[  150.389917][ T3931]  ? copy_msghdr_from_user (net/socket.c:2650)
[  150.389919][ T3931]  ? sock_write_iter (net/socket.c:1269)
[  150.389920][ T3931]  ? move_addr_to_kernel (net/socket.c:258)
[  150.389922][ T3931]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  150.389925][ T3931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.389927][ T3931]  ___sys_sendmsg (net/socket.c:2767)
[  150.389928][ T3931]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  150.389930][ T3931]  ? copy_msghdr_from_user (net/socket.c:2619)
[  150.389932][ T3931]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  150.389936][ T3931]  __sys_sendmsg (net/socket.c:2799)
[  150.389938][ T3931]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  150.389941][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389942][ T3931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.389944][ T3931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  150.389946][ T3931]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  150.389948][ T3931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  150.389950][ T3931] RIP: 0033:0x7fb92ea7554e
[  150.389952][ T3931] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  150.389954][ T3931] RSP: 002b:00007ffd2ddcb2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  150.389957][ T3931] RAX: ffffffffffffffda RBX: 00007ffd2ddcba98 RCX: 00007fb92ea7554e
[  150.389959][ T3931] RDX: 0000000000000000 RSI: 00007ffd2ddcb380 RDI: 0000000000000005
[  150.389960][ T3931] RBP: 00007ffd2ddcb2e0 R08: 0000000000000000 R09: 0000000000000000
[  150.389961][ T3931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fb9f
[  150.389962][ T3931] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2ddcba50
| [  151.685567][ T4000] softirqs last disabled at (0): 0x0
| [  151.685569][ T4000] Preemption disabled at:
| [  151.685570][ T4000] vprintk_emit (kernel/printk/printk.c:2471)
| [  151.685580][ T4000] Tainted: [W]=WARN
[  151.685581][ T4000] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  151.685582][ T4000] Call Trace:
[  151.685584][ T4000]  <TASK>
[  151.685585][ T4000]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  151.685590][ T4000]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  151.685592][ T4000]  __might_resched.cold (kernel/sched/core.c:9234)
[  151.685595][ T4000]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  151.685599][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685601][ T4000]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  151.685604][ T4000]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.685607][ T4000]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.685612][ T4000]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  151.685614][ T4000]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  151.685617][ T4000]  put_chars (drivers/char/virtio_console.c:1176)
[  151.685619][ T4000]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  151.685620][ T4000]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  151.685622][ T4000]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  151.685624][ T4000]  ? pointer (lib/vsprintf.c:2577)
[  151.685628][ T4000]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  151.685632][ T4000]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  151.685634][ T4000]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.685636][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685639][ T4000]  console_emit_next_record (kernel/printk/printk.c:3183)
[  151.685641][ T4000]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  151.685643][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685644][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685646][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685647][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685649][ T4000]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  151.685650][ T4000]  console_flush_one_record (kernel/printk/printk.c:3268)
[  151.685653][ T4000]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  151.685655][ T4000]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  151.685657][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685659][ T4000]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  151.685660][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685661][ T4000]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.685663][ T4000]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  151.685664][ T4000]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  151.685666][ T4000]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  151.685668][ T4000]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  151.685669][ T4000]  vprintk_emit (kernel/printk/printk.c:2479)
[  151.685671][ T4000]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  151.685672][ T4000]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  151.685675][ T4000]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.685678][ T4000]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  151.685680][ T4000]  _printk (kernel/printk/printk.c:2504)
[  151.685686][ T4000]  ? snapshot_read.cold (user.c:?)
[  151.685688][ T4000]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  151.685690][ T4000]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  151.685694][ T4000]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  151.685696][ T4000]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  151.685699][ T4000]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  151.685701][ T4000]  ? netdev_notice (net/core/dev.c:13194)
[  151.685703][ T4000]  ? 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)
[  151.685705][ T4000]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  151.685708][ T4000]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  151.685709][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685710][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685711][ T4000]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  151.685713][ T4000]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  151.685714][ T4000]  ? 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)
[  151.685716][ T4000]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  151.685717][ T4000]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  151.685719][ T4000]  ? register_netdev (net/core/dev.c:11618)
[  151.685720][ T4000]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.685722][ T4000]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  151.685725][ T4000]  ? __kernel_text_address (kernel/extable.c:79)
[  151.685727][ T4000]  ? write_profile (profile.c:?)
[  151.685730][ T4000]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  151.685733][ T4000]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  151.685735][ T4000]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  151.685737][ T4000]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  151.685738][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685739][ T4000]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.685743][ T4000]  ? kasan_save_stack (mm/kasan/common.c:58)
[  151.685745][ T4000]  ? kasan_save_stack (mm/kasan/common.c:57)
[  151.685746][ T4000]  ? kasan_save_track (mm/kasan/common.c:78)
[  151.685747][ T4000]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  151.685748][ T4000]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  151.685749][ T4000]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  151.685751][ T4000]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.685752][ T4000]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.685755][ T4000]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.685756][ T4000]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.685758][ T4000]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.685760][ T4000]  ? ____sys_sendmsg (net/socket.c:2713)
[  151.685762][ T4000]  ? ___sys_sendmsg (net/socket.c:2767)
[  151.685763][ T4000]  ? __sys_sendmsg (net/socket.c:2799)
[  151.685765][ T4000]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.685767][ T4000]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.685770][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685776][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685778][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685779][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685780][ T4000]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  151.685782][ T4000]  ? __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)
[  151.685783][ T4000]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  151.685784][ T4000]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  151.685786][ T4000]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  151.685787][ T4000]  ? nla_get_range_signed (lib/nlattr.c:270)
[  151.685790][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685791][ T4000]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  151.685794][ T4000]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  151.685796][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685797][ T4000]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.685798][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685800][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685801][ T4000]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  151.685803][ T4000]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  151.685804][ T4000]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.685806][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685807][ T4000]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  151.685810][ T4000]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  151.685813][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685814][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685815][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685817][ T4000]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  151.685818][ T4000]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  151.685820][ T4000]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.685821][ T4000]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.685822][ T4000]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  151.685825][ T4000]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  151.685826][ T4000]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  151.685828][ T4000]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.685829][ T4000]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  151.685831][ T4000]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  151.685834][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685835][ T4000]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  151.685837][ T4000]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  151.685840][ T4000]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  151.685841][ T4000]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.685843][ T4000]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  151.685845][ T4000]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  151.685847][ T4000]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  151.685849][ T4000]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  151.685850][ T4000]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  151.685854][ T4000]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  151.685855][ T4000]  ____sys_sendmsg (net/socket.c:2713)
[  151.685857][ T4000]  ? copy_msghdr_from_user (net/socket.c:2650)
[  151.685859][ T4000]  ? sock_write_iter (net/socket.c:1269)
[  151.685860][ T4000]  ? move_addr_to_kernel (net/socket.c:258)
[  151.685862][ T4000]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  151.685864][ T4000]  ___sys_sendmsg (net/socket.c:2767)
[  151.685866][ T4000]  ? copy_msghdr_from_user (net/socket.c:2619)
[  151.685871][ T4000]  __sys_sendmsg (net/socket.c:2799)
[  151.685873][ T4000]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  151.685876][ T4000]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  151.685877][ T4000]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  151.685879][ T4000]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  151.685881][ T4000]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  151.685882][ T4000] RIP: 0033:0x7fdf38e2a54e
[  151.685884][ T4000] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  151.685886][ T4000] RSP: 002b:00007ffda1cba770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  151.685890][ T4000] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdf38e2a54e
[  151.685891][ T4000] RDX: 0000000000000000 RSI: 00007ffda1cba820 RDI: 0000000000000005
[  151.685892][ T4000] RBP: 00007ffda1cba780 R08: 0000000000000000 R09: 0000000000000000
[  151.685893][ T4000] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fba1
[  151.685894][ T4000] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda1cbaee0
| [  152.738172][ T4050] softirqs last disabled at (0): 0x0
| [  152.738174][ T4050] Preemption disabled at:
| [  152.738174][ T4050] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.738185][ T4050] Tainted: [W]=WARN
[  152.738186][ T4050] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.738188][ T4050] Call Trace:
[  152.738189][ T4050]  <TASK>
[  152.738191][ T4050]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.738196][ T4050]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.738197][ T4050]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.738201][ T4050]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  152.738203][ T4050]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.738207][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738209][ T4050]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  152.738212][ T4050]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.738215][ T4050]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.738220][ T4050]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  152.738222][ T4050]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.738225][ T4050]  put_chars (drivers/char/virtio_console.c:1176)
[  152.738226][ T4050]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.738228][ T4050]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  152.738231][ T4050]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.738235][ T4050]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.738237][ T4050]  ? vsnprintf (lib/vsprintf.c:2900)
[  152.738240][ T4050]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.738242][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738243][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738245][ T4050]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.738248][ T4050]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.738250][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738251][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738252][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738253][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738255][ T4050]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.738257][ T4050]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.738260][ T4050]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.738262][ T4050]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.738264][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738266][ T4050]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.738268][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738269][ T4050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.738270][ T4050]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  152.738272][ T4050]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  152.738273][ T4050]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.738275][ T4050]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.738277][ T4050]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.738278][ T4050]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.738279][ T4050]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.738281][ T4050]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.738284][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738286][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738287][ T4050]  _printk (kernel/printk/printk.c:2504)
[  152.738290][ T4050]  ? snapshot_read.cold (user.c:?)
[  152.738292][ T4050]  ? br_multicast_flood (??:?)
[  152.738296][ T4050]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  152.738298][ T4050]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  152.738300][ T4050]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.738301][ T4050]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  152.738304][ T4050]  br_init_port (net/bridge/br_stp_if.c:39)
[  152.738306][ T4050]  new_nbp (net/bridge/br_if.c:449)
[  152.738308][ T4050]  br_add_if (net/bridge/br_if.c:592)
[  152.738310][ T4050]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  152.738314][ T4050]  do_set_master (net/core/rtnetlink.c:3071)
[  152.738316][ T4050]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  152.738318][ T4050]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  152.738319][ T4050]  ? __dev_get_by_name (net/core/dev.c:905)
[  152.738321][ T4050]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  152.738324][ T4050]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  152.738327][ T4050]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.738329][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738330][ T4050]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.738332][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738333][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738335][ T4050]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  152.738337][ T4050]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.738339][ T4050]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  152.738341][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738342][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738344][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738345][ T4050]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.738347][ T4050]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.738348][ T4050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.738350][ T4050]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.738351][ T4050]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.738355][ T4050]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.738358][ T4050]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.738359][ T4050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.738361][ T4050]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.738363][ T4050]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  152.738365][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738367][ T4050]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.738368][ T4050]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.738371][ T4050]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.738373][ T4050]  ? next_uptodate_folio (mm/filemap.c:3747)
[  152.738376][ T4050]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.738378][ T4050]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.738380][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738382][ T4050]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.738385][ T4050]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.738388][ T4050]  ____sys_sendmsg (net/socket.c:2713)
[  152.738390][ T4050]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.738391][ T4050]  ? sock_write_iter (net/socket.c:1269)
[  152.738393][ T4050]  ? move_addr_to_kernel (net/socket.c:258)
[  152.738395][ T4050]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  152.738398][ T4050]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.738400][ T4050]  ___sys_sendmsg (net/socket.c:2767)
[  152.738401][ T4050]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  152.738403][ T4050]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.738405][ T4050]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  152.738410][ T4050]  __sys_sendmsg (net/socket.c:2799)
[  152.738412][ T4050]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.738414][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738415][ T4050]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.738417][ T4050]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.738419][ T4050]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.738421][ T4050]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.738423][ T4050] RIP: 0033:0x7fa683eba54e
[  152.738425][ T4050] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  152.738427][ T4050] RSP: 002b:00007ffd6bdff490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.738431][ T4050] RAX: ffffffffffffffda RBX: 00007ffd6bdffc58 RCX: 00007fa683eba54e
[  152.738432][ T4050] RDX: 0000000000000000 RSI: 00007ffd6bdff540 RDI: 0000000000000005
[  152.738433][ T4050] RBP: 00007ffd6bdff4a0 R08: 0000000000000000 R09: 0000000000000000
[  152.738434][ T4050] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fba2
[  152.738435][ T4050] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6bdffc10
| [  159.627855][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  159.627857][   T68] Preemption disabled at:
| [  159.627858][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  159.627868][   T68] Tainted: [W]=WARN
[  159.627870][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  159.627872][   T68] Workqueue: netns cleanup_net
[  159.627877][   T68] Call Trace:
[  159.627879][   T68]  <TASK>
[  159.627880][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  159.627886][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  159.627887][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  159.627890][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  159.627893][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  159.627896][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627898][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  159.627901][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.627904][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  159.627909][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  159.627911][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  159.627913][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  159.627915][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  159.627917][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  159.627919][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  159.627924][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  159.627926][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  159.627928][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.627930][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627931][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627933][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  159.627935][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  159.627938][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627939][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627940][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627941][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.627943][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  159.627945][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  159.627947][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  159.627950][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  159.627952][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.627953][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  159.627955][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627956][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  159.627958][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  159.627959][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  159.627961][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  159.627963][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  159.627964][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  159.627966][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  159.627967][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  159.627969][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  159.627971][   T68]  ? kthread (kernel/kthread.c:436)
[  159.627974][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  159.627976][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  159.627979][   T68]  _printk (kernel/printk/printk.c:2504)
[  159.627982][   T68]  ? snapshot_read.cold (user.c:?)
[  159.627984][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  159.627987][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  159.627989][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  159.627992][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  159.627994][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.627995][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  159.627996][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  159.627999][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  159.628001][   T68]  ? 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)
[  159.628002][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  159.628004][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  159.628007][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  159.628011][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  159.628013][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  159.628015][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  159.628018][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  159.628019][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  159.628023][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  159.628024][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  159.628027][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  159.628028][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  159.628030][   T68]  process_one_work (kernel/workqueue.c:3387)
[  159.628033][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  159.628035][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  159.628038][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  159.628040][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  159.628042][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  159.628044][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  159.628046][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  159.628048][   T68]  kthread (kernel/kthread.c:436)
[  159.628049][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  159.628051][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  159.628053][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  159.628055][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  159.628057][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  159.628060][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  159.628061][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  160.777736][ T4308] softirqs last disabled at (0): 0x0
| [  160.777738][ T4308] Preemption disabled at:
| [  160.777738][ T4308] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.777748][ T4308] Tainted: [W]=WARN
[  160.777749][ T4308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.777751][ T4308] Call Trace:
[  160.777752][ T4308]  <TASK>
[  160.777754][ T4308]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.777759][ T4308]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.777761][ T4308]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.777764][ T4308]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  160.777766][ T4308]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.777770][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777772][ T4308]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  160.777775][ T4308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.777778][ T4308]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.777784][ T4308]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  160.777786][ T4308]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.777788][ T4308]  put_chars (drivers/char/virtio_console.c:1176)
[  160.777790][ T4308]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.777792][ T4308]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  160.777794][ T4308]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.777799][ T4308]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.777801][ T4308]  ? vsnprintf (lib/vsprintf.c:2900)
[  160.777804][ T4308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.777805][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777806][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777808][ T4308]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.777811][ T4308]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.777813][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777814][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777815][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777816][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777819][ T4308]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  160.777820][ T4308]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.777823][ T4308]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.777826][ T4308]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.777827][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777829][ T4308]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.777831][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777832][ T4308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.777833][ T4308]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  160.777840][ T4308]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  160.777842][ T4308]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.777844][ T4308]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.777845][ T4308]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.777847][ T4308]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.777848][ T4308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.777850][ T4308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.777852][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777854][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777855][ T4308]  _printk (kernel/printk/printk.c:2504)
[  160.777858][ T4308]  ? snapshot_read.cold (user.c:?)
[  160.777860][ T4308]  ? br_multicast_flood (??:?)
[  160.777864][ T4308]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.777866][ T4308]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.777868][ T4308]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.777870][ T4308]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.777872][ T4308]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.777874][ T4308]  new_nbp (net/bridge/br_if.c:449)
[  160.777876][ T4308]  br_add_if (net/bridge/br_if.c:592)
[  160.777878][ T4308]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  160.777882][ T4308]  do_set_master (net/core/rtnetlink.c:3071)
[  160.777884][ T4308]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.777886][ T4308]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  160.777887][ T4308]  ? __dev_get_by_name (net/core/dev.c:905)
[  160.777889][ T4308]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  160.777894][ T4308]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.777896][ T4308]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.777898][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777899][ T4308]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.777900][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777902][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777903][ T4308]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  160.777906][ T4308]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  160.777908][ T4308]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  160.777910][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777911][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777913][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777914][ T4308]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.777915][ T4308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.777917][ T4308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.777919][ T4308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  160.777920][ T4308]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  160.777924][ T4308]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.777926][ T4308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.777928][ T4308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.777929][ T4308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.777931][ T4308]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  160.777934][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777935][ T4308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.777937][ T4308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.777940][ T4308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.777941][ T4308]  ? next_uptodate_folio (mm/filemap.c:3747)
[  160.777944][ T4308]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.777947][ T4308]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.777949][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777950][ T4308]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.777954][ T4308]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.777957][ T4308]  ____sys_sendmsg (net/socket.c:2713)
[  160.777958][ T4308]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.777960][ T4308]  ? sock_write_iter (net/socket.c:1269)
[  160.777961][ T4308]  ? move_addr_to_kernel (net/socket.c:258)
[  160.777964][ T4308]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  160.777966][ T4308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.777968][ T4308]  ___sys_sendmsg (net/socket.c:2767)
[  160.777970][ T4308]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  160.777971][ T4308]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.777973][ T4308]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  160.777978][ T4308]  __sys_sendmsg (net/socket.c:2799)
[  160.777980][ T4308]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.777982][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777983][ T4308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.777985][ T4308]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.777987][ T4308]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.777989][ T4308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.777991][ T4308] RIP: 0033:0x7f6f811fc54e
[  160.777993][ T4308] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  160.777995][ T4308] RSP: 002b:00007ffc04169490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.777999][ T4308] RAX: ffffffffffffffda RBX: 00007ffc04169c58 RCX: 00007f6f811fc54e
[  160.778000][ T4308] RDX: 0000000000000000 RSI: 00007ffc04169540 RDI: 0000000000000005
[  160.778001][ T4308] RBP: 00007ffc041694a0 R08: 0000000000000000 R09: 0000000000000000
[  160.778002][ T4308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbaa
[  160.778003][ T4308] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc04169c10
| [  162.074171][ T4377] softirqs last disabled at (0): 0x0
| [  162.074173][ T4377] Preemption disabled at:
| [  162.074173][ T4377] vprintk_emit (kernel/printk/printk.c:2471)
| [  162.074183][ T4377] Tainted: [W]=WARN
[  162.074184][ T4377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  162.074186][ T4377] Call Trace:
[  162.074187][ T4377]  <TASK>
[  162.074189][ T4377]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  162.074194][ T4377]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  162.074196][ T4377]  __might_resched.cold (kernel/sched/core.c:9234)
[  162.074199][ T4377]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  162.074203][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074206][ T4377]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  162.074209][ T4377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.074212][ T4377]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.074217][ T4377]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  162.074219][ T4377]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.074221][ T4377]  put_chars (drivers/char/virtio_console.c:1176)
[  162.074223][ T4377]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  162.074224][ T4377]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  162.074226][ T4377]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  162.074229][ T4377]  ? pointer (lib/vsprintf.c:2577)
[  162.074232][ T4377]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  162.074237][ T4377]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  162.074238][ T4377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.074240][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074243][ T4377]  console_emit_next_record (kernel/printk/printk.c:3183)
[  162.074246][ T4377]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  162.074248][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074249][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074250][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074251][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074253][ T4377]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  162.074255][ T4377]  console_flush_one_record (kernel/printk/printk.c:3268)
[  162.074257][ T4377]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  162.074260][ T4377]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  162.074262][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074264][ T4377]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  162.074265][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074266][ T4377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.074268][ T4377]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  162.074269][ T4377]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  162.074271][ T4377]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  162.074273][ T4377]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  162.074274][ T4377]  vprintk_emit (kernel/printk/printk.c:2479)
[  162.074276][ T4377]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  162.074277][ T4377]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  162.074280][ T4377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  162.074283][ T4377]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  162.074285][ T4377]  _printk (kernel/printk/printk.c:2504)
[  162.074288][ T4377]  ? snapshot_read.cold (user.c:?)
[  162.074290][ T4377]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  162.074292][ T4377]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  162.074296][ T4377]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  162.074297][ T4377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  162.074300][ T4377]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  162.074303][ T4377]  ? netdev_notice (net/core/dev.c:13194)
[  162.074305][ T4377]  ? 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)
[  162.074306][ T4377]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  162.074309][ T4377]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.074311][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074312][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074313][ T4377]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  162.074314][ T4377]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  162.074316][ T4377]  ? 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)
[  162.074317][ T4377]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  162.074318][ T4377]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  162.074320][ T4377]  ? register_netdev (net/core/dev.c:11618)
[  162.074322][ T4377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.074324][ T4377]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  162.074326][ T4377]  ? __kernel_text_address (kernel/extable.c:79)
[  162.074329][ T4377]  ? write_profile (profile.c:?)
[  162.074332][ T4377]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  162.074335][ T4377]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  162.074337][ T4377]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  162.074339][ T4377]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  162.074340][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074341][ T4377]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  162.074344][ T4377]  ? kasan_save_stack (mm/kasan/common.c:58)
[  162.074346][ T4377]  ? kasan_save_stack (mm/kasan/common.c:57)
[  162.074347][ T4377]  ? kasan_save_track (mm/kasan/common.c:78)
[  162.074348][ T4377]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  162.074349][ T4377]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  162.074350][ T4377]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  162.074351][ T4377]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.074353][ T4377]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.074355][ T4377]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.074357][ T4377]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.074359][ T4377]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  162.074361][ T4377]  ? ____sys_sendmsg (net/socket.c:2713)
[  162.074363][ T4377]  ? ___sys_sendmsg (net/socket.c:2767)
[  162.074364][ T4377]  ? __sys_sendmsg (net/socket.c:2799)
[  162.074366][ T4377]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.074368][ T4377]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.074371][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074372][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074373][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074374][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074375][ T4377]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  162.074377][ T4377]  ? __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)
[  162.074378][ T4377]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  162.074379][ T4377]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  162.074381][ T4377]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  162.074382][ T4377]  ? nla_get_range_signed (lib/nlattr.c:270)
[  162.074385][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074387][ T4377]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  162.074389][ T4377]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  162.074391][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074392][ T4377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.074393][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074395][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074396][ T4377]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  162.074399][ T4377]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  162.074400][ T4377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  162.074402][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074403][ T4377]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  162.074406][ T4377]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  162.074408][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074409][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074411][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074412][ T4377]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.074414][ T4377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.074415][ T4377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.074417][ T4377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.074418][ T4377]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  162.074420][ T4377]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.074422][ T4377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.074423][ T4377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.074425][ T4377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  162.074427][ T4377]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  162.074430][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074431][ T4377]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.074433][ T4377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.074435][ T4377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  162.074437][ T4377]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.074439][ T4377]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.074441][ T4377]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  162.074443][ T4377]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  162.074444][ T4377]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.074446][ T4377]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  162.074449][ T4377]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  162.074451][ T4377]  ____sys_sendmsg (net/socket.c:2713)
[  162.074453][ T4377]  ? copy_msghdr_from_user (net/socket.c:2650)
[  162.074454][ T4377]  ? sock_write_iter (net/socket.c:1269)
[  162.074456][ T4377]  ? move_addr_to_kernel (net/socket.c:258)
[  162.074457][ T4377]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.074460][ T4377]  ___sys_sendmsg (net/socket.c:2767)
[  162.074462][ T4377]  ? copy_msghdr_from_user (net/socket.c:2619)
[  162.074466][ T4377]  __sys_sendmsg (net/socket.c:2799)
[  162.074468][ T4377]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  162.074471][ T4377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.074473][ T4377]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.074474][ T4377]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  162.074476][ T4377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.074477][ T4377] RIP: 0033:0x7fc4932ef54e
[  162.074479][ T4377] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  162.074481][ T4377] RSP: 002b:00007fff68268d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  162.074485][ T4377] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc4932ef54e
[  162.074486][ T4377] RDX: 0000000000000000 RSI: 00007fff68268df0 RDI: 0000000000000005
[  162.074487][ T4377] RBP: 00007fff68268d50 R08: 0000000000000000 R09: 0000000000000000
[  162.074488][ T4377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbab
[  162.074489][ T4377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff682694b0
| [  163.119705][ T4427] softirqs last disabled at (0): 0x0
| [  163.119707][ T4427] Preemption disabled at:
| [  163.119707][ T4427] vprintk_emit (kernel/printk/printk.c:2471)
| [  163.119717][ T4427] Tainted: [W]=WARN
[  163.119718][ T4427] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  163.119719][ T4427] Call Trace:
[  163.119721][ T4427]  <TASK>
[  163.119722][ T4427]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  163.119728][ T4427]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  163.119729][ T4427]  __might_resched.cold (kernel/sched/core.c:9234)
[  163.119733][ T4427]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  163.119735][ T4427]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  163.119738][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119741][ T4427]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  163.119744][ T4427]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.119747][ T4427]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.119752][ T4427]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  163.119754][ T4427]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.119756][ T4427]  put_chars (drivers/char/virtio_console.c:1176)
[  163.119758][ T4427]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  163.119760][ T4427]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  163.119762][ T4427]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  163.119767][ T4427]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  163.119768][ T4427]  ? vsnprintf (lib/vsprintf.c:2900)
[  163.119772][ T4427]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.119773][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119774][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119776][ T4427]  console_emit_next_record (kernel/printk/printk.c:3183)
[  163.119779][ T4427]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  163.119781][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119782][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119783][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119784][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119787][ T4427]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  163.119789][ T4427]  console_flush_one_record (kernel/printk/printk.c:3268)
[  163.119791][ T4427]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  163.119794][ T4427]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  163.119795][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119797][ T4427]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  163.119799][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119800][ T4427]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.119801][ T4427]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  163.119803][ T4427]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  163.119804][ T4427]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  163.119806][ T4427]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  163.119808][ T4427]  vprintk_emit (kernel/printk/printk.c:2479)
[  163.119810][ T4427]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  163.119811][ T4427]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.119812][ T4427]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.119815][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119817][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119818][ T4427]  _printk (kernel/printk/printk.c:2504)
[  163.119821][ T4427]  ? snapshot_read.cold (user.c:?)
[  163.119823][ T4427]  ? br_multicast_flood (??:?)
[  163.119826][ T4427]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  163.119829][ T4427]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  163.119830][ T4427]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  163.119832][ T4427]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  163.119835][ T4427]  br_init_port (net/bridge/br_stp_if.c:39)
[  163.119836][ T4427]  new_nbp (net/bridge/br_if.c:449)
[  163.119839][ T4427]  br_add_if (net/bridge/br_if.c:592)
[  163.119840][ T4427]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  163.119845][ T4427]  do_set_master (net/core/rtnetlink.c:3071)
[  163.119846][ T4427]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  163.119848][ T4427]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  163.119849][ T4427]  ? __dev_get_by_name (net/core/dev.c:905)
[  163.119856][ T4427]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  163.119860][ T4427]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  163.119862][ T4427]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  163.119864][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119866][ T4427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.119867][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119868][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119870][ T4427]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  163.119872][ T4427]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  163.119874][ T4427]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  163.119877][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119878][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119879][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119880][ T4427]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.119882][ T4427]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.119883][ T4427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.119885][ T4427]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.119886][ T4427]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.119890][ T4427]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.119893][ T4427]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.119894][ T4427]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.119896][ T4427]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  163.119897][ T4427]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  163.119900][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119902][ T4427]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.119904][ T4427]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.119906][ T4427]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  163.119908][ T4427]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  163.119910][ T4427]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  163.119913][ T4427]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.119915][ T4427]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  163.119917][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119919][ T4427]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  163.119922][ T4427]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  163.119925][ T4427]  ____sys_sendmsg (net/socket.c:2713)
[  163.119927][ T4427]  ? copy_msghdr_from_user (net/socket.c:2650)
[  163.119929][ T4427]  ? sock_write_iter (net/socket.c:1269)
[  163.119930][ T4427]  ? move_addr_to_kernel (net/socket.c:258)
[  163.119932][ T4427]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  163.119935][ T4427]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.119936][ T4427]  ___sys_sendmsg (net/socket.c:2767)
[  163.119938][ T4427]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  163.119940][ T4427]  ? copy_msghdr_from_user (net/socket.c:2619)
[  163.119941][ T4427]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  163.119946][ T4427]  __sys_sendmsg (net/socket.c:2799)
[  163.119948][ T4427]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  163.119950][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119951][ T4427]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.119953][ T4427]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.119955][ T4427]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  163.119957][ T4427]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.119959][ T4427] RIP: 0033:0x7f8fa8af454e
[  163.119961][ T4427] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  163.119963][ T4427] RSP: 002b:00007ffd560a2b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  163.119966][ T4427] RAX: ffffffffffffffda RBX: 00007ffd560a3328 RCX: 00007f8fa8af454e
[  163.119968][ T4427] RDX: 0000000000000000 RSI: 00007ffd560a2c10 RDI: 0000000000000005
[  163.119969][ T4427] RBP: 00007ffd560a2b70 R08: 0000000000000000 R09: 0000000000000000
[  163.119970][ T4427] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbac
[  163.119971][ T4427] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd560a32e0
| [  168.628834][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  168.628836][   T68] Preemption disabled at:
| [  168.628837][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.628848][   T68] Tainted: [W]=WARN
[  168.628849][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.628851][   T68] Workqueue: netns cleanup_net
[  168.628856][   T68] Call Trace:
[  168.628857][   T68]  <TASK>
[  168.628859][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.628864][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.628866][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.628869][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  168.628871][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.628875][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628877][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  168.628880][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.628883][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.628888][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  168.628895][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.628897][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  168.628899][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.628901][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  168.628904][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.628908][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.628910][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  168.628912][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.628914][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628915][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628917][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.628920][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.628922][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628923][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628924][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628925][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.628927][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  168.628929][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.628931][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.628934][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.628936][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.628938][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.628939][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628940][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.628942][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  168.628943][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  168.628945][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.628947][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.628948][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.628950][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.628951][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  168.628953][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.628955][   T68]  ? kthread (kernel/kthread.c:436)
[  168.628957][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  168.628960][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  168.628963][   T68]  _printk (kernel/printk/printk.c:2504)
[  168.628965][   T68]  ? snapshot_read.cold (user.c:?)
[  168.628968][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  168.628971][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  168.628973][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  168.628975][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  168.628977][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.628978][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  168.628980][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  168.628983][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  168.628984][   T68]  ? 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)
[  168.628985][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  168.628988][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  168.628990][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  168.628994][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  168.628996][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  168.628998][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  168.629000][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  168.629002][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  168.629005][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  168.629007][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  168.629009][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.629010][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.629012][   T68]  process_one_work (kernel/workqueue.c:3387)
[  168.629015][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  168.629017][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.629020][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.629022][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.629024][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  168.629026][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.629028][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.629029][   T68]  kthread (kernel/kthread.c:436)
[  168.629031][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.629033][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.629035][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  168.629036][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  168.629038][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  168.629041][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.629043][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  169.816316][ T4551] softirqs last disabled at (0): 0x0
| [  169.816317][ T4551] Preemption disabled at:
| [  169.816318][ T4551] vprintk_emit (kernel/printk/printk.c:2471)
| [  169.816328][ T4551] Tainted: [W]=WARN
[  169.816329][ T4551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  169.816331][ T4551] Call Trace:
[  169.816332][ T4551]  <TASK>
[  169.816334][ T4551]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  169.816339][ T4551]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  169.816341][ T4551]  __might_resched.cold (kernel/sched/core.c:9234)
[  169.816344][ T4551]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  169.816347][ T4551]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  169.816350][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816353][ T4551]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  169.816356][ T4551]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.816359][ T4551]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.816364][ T4551]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  169.816366][ T4551]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  169.816368][ T4551]  put_chars (drivers/char/virtio_console.c:1176)
[  169.816370][ T4551]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  169.816372][ T4551]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  169.816374][ T4551]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  169.816379][ T4551]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  169.816381][ T4551]  ? vsnprintf (lib/vsprintf.c:2900)
[  169.816384][ T4551]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.816386][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816387][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816389][ T4551]  console_emit_next_record (kernel/printk/printk.c:3183)
[  169.816391][ T4551]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  169.816393][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816394][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816395][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816396][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816399][ T4551]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  169.816401][ T4551]  console_flush_one_record (kernel/printk/printk.c:3268)
[  169.816403][ T4551]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  169.816406][ T4551]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  169.816408][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816409][ T4551]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  169.816411][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816412][ T4551]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.816413][ T4551]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  169.816415][ T4551]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  169.816417][ T4551]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  169.816419][ T4551]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  169.816420][ T4551]  vprintk_emit (kernel/printk/printk.c:2479)
[  169.816422][ T4551]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  169.816423][ T4551]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  169.816425][ T4551]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.816428][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816429][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816431][ T4551]  _printk (kernel/printk/printk.c:2504)
[  169.816434][ T4551]  ? snapshot_read.cold (user.c:?)
[  169.816436][ T4551]  ? br_multicast_flood (??:?)
[  169.816439][ T4551]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  169.816442][ T4551]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  169.816443][ T4551]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  169.816445][ T4551]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  169.816448][ T4551]  br_init_port (net/bridge/br_stp_if.c:39)
[  169.816449][ T4551]  new_nbp (net/bridge/br_if.c:449)
[  169.816452][ T4551]  br_add_if (net/bridge/br_if.c:592)
[  169.816453][ T4551]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  169.816458][ T4551]  do_set_master (net/core/rtnetlink.c:3071)
[  169.816459][ T4551]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  169.816461][ T4551]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  169.816462][ T4551]  ? __dev_get_by_name (net/core/dev.c:905)
[  169.816464][ T4551]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  169.816468][ T4551]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  169.816471][ T4551]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  169.816473][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816474][ T4551]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  169.816475][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816477][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816478][ T4551]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  169.816481][ T4551]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  169.816483][ T4551]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  169.816485][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816486][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816488][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816489][ T4551]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  169.816490][ T4551]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  169.816492][ T4551]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.816493][ T4551]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  169.816495][ T4551]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  169.816498][ T4551]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  169.816501][ T4551]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  169.816502][ T4551]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.816504][ T4551]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  169.816506][ T4551]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  169.816509][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816510][ T4551]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  169.816512][ T4551]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  169.816516][ T4551]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  169.816518][ T4551]  ? next_uptodate_folio (mm/filemap.c:3747)
[  169.816521][ T4551]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  169.816523][ T4551]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  169.816525][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816527][ T4551]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  169.816531][ T4551]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  169.816534][ T4551]  ____sys_sendmsg (net/socket.c:2713)
[  169.816535][ T4551]  ? copy_msghdr_from_user (net/socket.c:2650)
[  169.816537][ T4551]  ? sock_write_iter (net/socket.c:1269)
[  169.816539][ T4551]  ? move_addr_to_kernel (net/socket.c:258)
[  169.816541][ T4551]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  169.816543][ T4551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  169.816545][ T4551]  ___sys_sendmsg (net/socket.c:2767)
[  169.816547][ T4551]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  169.816548][ T4551]  ? copy_msghdr_from_user (net/socket.c:2619)
[  169.816550][ T4551]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  169.816555][ T4551]  __sys_sendmsg (net/socket.c:2799)
[  169.816557][ T4551]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  169.816559][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816560][ T4551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  169.816562][ T4551]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  169.816564][ T4551]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  169.816566][ T4551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  169.816568][ T4551] RIP: 0033:0x7fe182afd54e
[  169.816570][ T4551] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  169.816572][ T4551] RSP: 002b:00007ffca7b96400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  169.816576][ T4551] RAX: ffffffffffffffda RBX: 00007ffca7b96bc8 RCX: 00007fe182afd54e
[  169.816577][ T4551] RDX: 0000000000000000 RSI: 00007ffca7b964b0 RDI: 0000000000000005
[  169.816578][ T4551] RBP: 00007ffca7b96410 R08: 0000000000000000 R09: 0000000000000000
[  169.816579][ T4551] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbb3
[  169.816580][ T4551] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca7b96b80
| [  171.112432][ T4620] softirqs last disabled at (0): 0x0
| [  171.112434][ T4620] Preemption disabled at:
| [  171.112435][ T4620] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.112444][ T4620] Tainted: [W]=WARN
[  171.112445][ T4620] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.112447][ T4620] Call Trace:
[  171.112448][ T4620]  <TASK>
[  171.112450][ T4620]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.112455][ T4620]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.112456][ T4620]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.112460][ T4620]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.112464][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112466][ T4620]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  171.112469][ T4620]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.112472][ T4620]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.112477][ T4620]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  171.112479][ T4620]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.112482][ T4620]  put_chars (drivers/char/virtio_console.c:1176)
[  171.112483][ T4620]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.112484][ T4620]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  171.112486][ T4620]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  171.112489][ T4620]  ? pointer (lib/vsprintf.c:2577)
[  171.112492][ T4620]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.112496][ T4620]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.112498][ T4620]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.112500][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112502][ T4620]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.112505][ T4620]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.112507][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112508][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112509][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112510][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112512][ T4620]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.112514][ T4620]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.112516][ T4620]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.112519][ T4620]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.112521][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112523][ T4620]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.112524][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112525][ T4620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.112527][ T4620]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  171.112528][ T4620]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  171.112530][ T4620]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.112532][ T4620]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.112533][ T4620]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.112535][ T4620]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.112536][ T4620]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  171.112539][ T4620]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  171.112542][ T4620]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  171.112544][ T4620]  _printk (kernel/printk/printk.c:2504)
[  171.112547][ T4620]  ? snapshot_read.cold (user.c:?)
[  171.112549][ T4620]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  171.112551][ T4620]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  171.112555][ T4620]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  171.112556][ T4620]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  171.112560][ T4620]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  171.112562][ T4620]  ? netdev_notice (net/core/dev.c:13194)
[  171.112564][ T4620]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  171.112566][ T4620]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  171.112569][ T4620]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.112570][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112571][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112573][ T4620]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  171.112574][ T4620]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  171.112576][ T4620]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  171.112577][ T4620]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  171.112578][ T4620]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  171.112580][ T4620]  ? register_netdev (net/core/dev.c:11618)
[  171.112581][ T4620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.112583][ T4620]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  171.112586][ T4620]  ? __kernel_text_address (kernel/extable.c:79)
[  171.112588][ T4620]  ? write_profile (profile.c:?)
[  171.112591][ T4620]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  171.112594][ T4620]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  171.112596][ T4620]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  171.112598][ T4620]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  171.112599][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112600][ T4620]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.112603][ T4620]  ? kasan_save_stack (mm/kasan/common.c:58)
[  171.112605][ T4620]  ? kasan_save_stack (mm/kasan/common.c:57)
[  171.112606][ T4620]  ? kasan_save_track (mm/kasan/common.c:78)
[  171.112607][ T4620]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  171.112608][ T4620]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  171.112610][ T4620]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  171.112611][ T4620]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.112612][ T4620]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.112615][ T4620]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.112617][ T4620]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.112618][ T4620]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.112621][ T4620]  ? ____sys_sendmsg (net/socket.c:2713)
[  171.112622][ T4620]  ? ___sys_sendmsg (net/socket.c:2767)
[  171.112624][ T4620]  ? __sys_sendmsg (net/socket.c:2799)
[  171.112625][ T4620]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.112628][ T4620]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.112630][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112631][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112633][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112634][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112635][ T4620]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  171.112636][ T4620]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  171.112638][ T4620]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  171.112639][ T4620]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  171.112641][ T4620]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  171.112642][ T4620]  ? nla_get_range_signed (lib/nlattr.c:270)
[  171.112645][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112646][ T4620]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  171.112648][ T4620]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  171.112650][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112651][ T4620]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.112653][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112654][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112656][ T4620]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.112658][ T4620]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.112659][ T4620]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.112661][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112662][ T4620]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  171.112665][ T4620]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  171.112668][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112669][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112670][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112672][ T4620]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.112673][ T4620]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.112675][ T4620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.112676][ T4620]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.112678][ T4620]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.112680][ T4620]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.112685][ T4620]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.112687][ T4620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.112688][ T4620]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.112690][ T4620]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.112693][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112694][ T4620]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.112696][ T4620]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.112698][ T4620]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.112700][ T4620]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.112702][ T4620]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.112704][ T4620]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.112706][ T4620]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  171.112708][ T4620]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.112709][ T4620]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  171.112712][ T4620]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.112714][ T4620]  ____sys_sendmsg (net/socket.c:2713)
[  171.112716][ T4620]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.112717][ T4620]  ? sock_write_iter (net/socket.c:1269)
[  171.112719][ T4620]  ? move_addr_to_kernel (net/socket.c:258)
[  171.112720][ T4620]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.112723][ T4620]  ___sys_sendmsg (net/socket.c:2767)
[  171.112725][ T4620]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.112729][ T4620]  __sys_sendmsg (net/socket.c:2799)
[  171.112731][ T4620]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.112734][ T4620]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.112736][ T4620]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.112737][ T4620]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.112739][ T4620]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.112741][ T4620] RIP: 0033:0x7fcf076a254e
[  171.112743][ T4620] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  171.112744][ T4620] RSP: 002b:00007ffcb969c2d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.112748][ T4620] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcf076a254e
[  171.112749][ T4620] RDX: 0000000000000000 RSI: 00007ffcb969c380 RDI: 0000000000000005
[  171.112750][ T4620] RBP: 00007ffcb969c2e0 R08: 0000000000000000 R09: 0000000000000000
[  171.112751][ T4620] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbb4
[  171.112752][ T4620] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb969ca40
| [  172.151021][ T4670] softirqs last disabled at (0): 0x0
| [  172.151023][ T4670] Preemption disabled at:
| [  172.151024][ T4670] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.151034][ T4670] Tainted: [W]=WARN
[  172.151035][ T4670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.151037][ T4670] Call Trace:
[  172.151038][ T4670]  <TASK>
[  172.151040][ T4670]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.151045][ T4670]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.151046][ T4670]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.151050][ T4670]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  172.151052][ T4670]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.151055][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151058][ T4670]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  172.151061][ T4670]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.151064][ T4670]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.151068][ T4670]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  172.151070][ T4670]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.151073][ T4670]  put_chars (drivers/char/virtio_console.c:1176)
[  172.151075][ T4670]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.151076][ T4670]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  172.151079][ T4670]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.151083][ T4670]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.151085][ T4670]  ? vsnprintf (lib/vsprintf.c:2900)
[  172.151089][ T4670]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.151090][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151091][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151093][ T4670]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.151096][ T4670]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.151098][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151099][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151100][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151101][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151103][ T4670]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  172.151105][ T4670]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.151107][ T4670]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.151110][ T4670]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.151112][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151114][ T4670]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.151115][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151116][ T4670]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.151118][ T4670]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  172.151119][ T4670]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  172.151121][ T4670]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.151123][ T4670]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.151124][ T4670]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.151126][ T4670]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.151127][ T4670]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.151129][ T4670]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.151132][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151133][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151135][ T4670]  _printk (kernel/printk/printk.c:2504)
[  172.151138][ T4670]  ? snapshot_read.cold (user.c:?)
[  172.151140][ T4670]  ? br_multicast_flood (??:?)
[  172.151143][ T4670]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  172.151146][ T4670]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  172.151147][ T4670]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  172.151149][ T4670]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  172.151151][ T4670]  br_init_port (net/bridge/br_stp_if.c:39)
[  172.151153][ T4670]  new_nbp (net/bridge/br_if.c:449)
[  172.151155][ T4670]  br_add_if (net/bridge/br_if.c:592)
[  172.151157][ T4670]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  172.151161][ T4670]  do_set_master (net/core/rtnetlink.c:3071)
[  172.151163][ T4670]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  172.151165][ T4670]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  172.151166][ T4670]  ? __dev_get_by_name (net/core/dev.c:905)
[  172.151168][ T4670]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  172.151172][ T4670]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  172.151174][ T4670]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  172.151176][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151177][ T4670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  172.151179][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151180][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151182][ T4670]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  172.151184][ T4670]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  172.151186][ T4670]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  172.151188][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151189][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151191][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151192][ T4670]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  172.151193][ T4670]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  172.151195][ T4670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.151197][ T4670]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.151198][ T4670]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  172.151202][ T4670]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  172.151205][ T4670]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.151207][ T4670]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.151208][ T4670]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  172.151210][ T4670]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  172.151213][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151214][ T4670]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.151216][ T4670]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.151218][ T4670]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  172.151220][ T4670]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  172.151223][ T4670]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  172.151225][ T4670]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  172.151227][ T4670]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  172.151229][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151231][ T4670]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  172.151235][ T4670]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  172.151237][ T4670]  ____sys_sendmsg (net/socket.c:2713)
[  172.151239][ T4670]  ? copy_msghdr_from_user (net/socket.c:2650)
[  172.151241][ T4670]  ? sock_write_iter (net/socket.c:1269)
[  172.151242][ T4670]  ? move_addr_to_kernel (net/socket.c:258)
[  172.151244][ T4670]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  172.151247][ T4670]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.151248][ T4670]  ___sys_sendmsg (net/socket.c:2767)
[  172.151250][ T4670]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  172.151252][ T4670]  ? copy_msghdr_from_user (net/socket.c:2619)
[  172.151253][ T4670]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  172.151258][ T4670]  __sys_sendmsg (net/socket.c:2799)
[  172.151260][ T4670]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  172.151263][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151264][ T4670]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.151265][ T4670]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.151268][ T4670]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  172.151270][ T4670]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.151272][ T4670] RIP: 0033:0x7f8a5990f54e
[  172.151274][ T4670] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  172.151276][ T4670] RSP: 002b:00007fffe5982110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  172.151279][ T4670] RAX: ffffffffffffffda RBX: 00007fffe59828d8 RCX: 00007f8a5990f54e
[  172.151281][ T4670] RDX: 0000000000000000 RSI: 00007fffe59821c0 RDI: 0000000000000005
[  172.151282][ T4670] RBP: 00007fffe5982120 R08: 0000000000000000 R09: 0000000000000000
[  172.151282][ T4670] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbb5
[  172.151283][ T4670] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe5982890
| [  177.680760][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  177.680762][   T68] Preemption disabled at:
| [  177.680763][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  177.680774][   T68] Tainted: [W]=WARN
[  177.680775][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  177.680777][   T68] Workqueue: netns cleanup_net
[  177.680782][   T68] Call Trace:
[  177.680784][   T68]  <TASK>
[  177.680786][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  177.680791][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  177.680792][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  177.680796][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  177.680798][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  177.680801][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680804][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  177.680806][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  177.680810][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.680814][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  177.680816][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  177.680819][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  177.680821][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  177.680822][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  177.680825][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  177.680830][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  177.680831][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  177.680834][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  177.680836][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680837][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680839][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  177.680841][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  177.680843][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680844][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680845][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680846][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.680849][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  177.680851][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  177.680853][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  177.680856][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  177.680858][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.680859][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  177.680861][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680862][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  177.680863][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  177.680865][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  177.680866][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  177.680869][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  177.680870][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  177.680872][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  177.680873][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  177.680874][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  177.680877][   T68]  ? kthread (kernel/kthread.c:436)
[  177.680879][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  177.680882][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  177.680884][   T68]  _printk (kernel/printk/printk.c:2504)
[  177.680887][   T68]  ? snapshot_read.cold (user.c:?)
[  177.680890][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  177.680893][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  177.680895][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  177.680897][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  177.680899][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680900][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  177.680902][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  177.680905][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  177.680906][   T68]  ? 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)
[  177.680907][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  177.680910][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  177.680912][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  177.680916][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  177.680918][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  177.680920][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  177.680922][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  177.680924][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  177.680927][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  177.680929][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  177.680931][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  177.680932][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  177.680934][   T68]  process_one_work (kernel/workqueue.c:3387)
[  177.680937][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  177.680940][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  177.680942][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  177.680944][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  177.680946][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  177.680948][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  177.680950][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  177.680958][   T68]  kthread (kernel/kthread.c:436)
[  177.680960][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  177.680961][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  177.680963][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  177.680965][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  177.680967][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  177.680970][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  177.680972][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  178.850766][ T4794] softirqs last disabled at (0): 0x0
| [  178.850768][ T4794] Preemption disabled at:
| [  178.850769][ T4794] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.850779][ T4794] Tainted: [W]=WARN
[  178.850780][ T4794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.850781][ T4794] Call Trace:
[  178.850783][ T4794]  <TASK>
[  178.850784][ T4794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.850790][ T4794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.850791][ T4794]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.850795][ T4794]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  178.850797][ T4794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.850800][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850803][ T4794]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  178.850806][ T4794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.850809][ T4794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.850814][ T4794]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  178.850816][ T4794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.850818][ T4794]  put_chars (drivers/char/virtio_console.c:1176)
[  178.850820][ T4794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.850822][ T4794]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  178.850824][ T4794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.850829][ T4794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.850830][ T4794]  ? vsnprintf (lib/vsprintf.c:2900)
[  178.850834][ T4794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.850835][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850836][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850838][ T4794]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.850841][ T4794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.850843][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850844][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850845][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850846][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850849][ T4794]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.850851][ T4794]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.850853][ T4794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.850856][ T4794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.850858][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850859][ T4794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.850861][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850862][ T4794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.850864][ T4794]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  178.850865][ T4794]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  178.850867][ T4794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.850869][ T4794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.850870][ T4794]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.850872][ T4794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.850873][ T4794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.850875][ T4794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.850878][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850879][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850881][ T4794]  _printk (kernel/printk/printk.c:2504)
[  178.850884][ T4794]  ? snapshot_read.cold (user.c:?)
[  178.850886][ T4794]  ? br_multicast_flood (??:?)
[  178.850889][ T4794]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  178.850891][ T4794]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  178.850893][ T4794]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  178.850894][ T4794]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  178.850897][ T4794]  br_init_port (net/bridge/br_stp_if.c:39)
[  178.850899][ T4794]  new_nbp (net/bridge/br_if.c:449)
[  178.850901][ T4794]  br_add_if (net/bridge/br_if.c:592)
[  178.850903][ T4794]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  178.850907][ T4794]  do_set_master (net/core/rtnetlink.c:3071)
[  178.850909][ T4794]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  178.850911][ T4794]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  178.850912][ T4794]  ? __dev_get_by_name (net/core/dev.c:905)
[  178.850913][ T4794]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  178.850917][ T4794]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  178.850920][ T4794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  178.850922][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850923][ T4794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  178.850924][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850926][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850927][ T4794]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  178.850930][ T4794]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  178.850932][ T4794]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  178.850934][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850935][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850937][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850938][ T4794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  178.850939][ T4794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  178.850941][ T4794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  178.850942][ T4794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  178.850944][ T4794]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  178.850948][ T4794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  178.850951][ T4794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  178.850952][ T4794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.850953][ T4794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  178.850955][ T4794]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  178.850958][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.850959][ T4794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.850967][ T4794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  178.850969][ T4794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  178.850971][ T4794]  ? next_uptodate_folio (mm/filemap.c:3747)
[  178.850974][ T4794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  178.850976][ T4794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  178.850978][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850980][ T4794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  178.850983][ T4794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  178.850986][ T4794]  ____sys_sendmsg (net/socket.c:2713)
[  178.850988][ T4794]  ? copy_msghdr_from_user (net/socket.c:2650)
[  178.850990][ T4794]  ? sock_write_iter (net/socket.c:1269)
[  178.850991][ T4794]  ? move_addr_to_kernel (net/socket.c:258)
[  178.850993][ T4794]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  178.850996][ T4794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.850998][ T4794]  ___sys_sendmsg (net/socket.c:2767)
[  178.850999][ T4794]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  178.851001][ T4794]  ? copy_msghdr_from_user (net/socket.c:2619)
[  178.851003][ T4794]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  178.851007][ T4794]  __sys_sendmsg (net/socket.c:2799)
[  178.851010][ T4794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  178.851012][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.851013][ T4794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.851015][ T4794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  178.851017][ T4794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  178.851022][ T4794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  178.851024][ T4794] RIP: 0033:0x7fe7c2d7954e
[  178.851026][ T4794] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  178.851028][ T4794] RSP: 002b:00007ffdf6095840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  178.851031][ T4794] RAX: ffffffffffffffda RBX: 00007ffdf6096008 RCX: 00007fe7c2d7954e
[  178.851033][ T4794] RDX: 0000000000000000 RSI: 00007ffdf60958f0 RDI: 0000000000000005
[  178.851034][ T4794] RBP: 00007ffdf6095850 R08: 0000000000000000 R09: 0000000000000000
[  178.851035][ T4794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbbc
[  178.851036][ T4794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf6095fc0
| [  180.174676][ T4863] softirqs last disabled at (0): 0x0
| [  180.174677][ T4863] Preemption disabled at:
| [  180.174678][ T4863] vprintk_emit (kernel/printk/printk.c:2471)
| [  180.174690][ T4863] Tainted: [W]=WARN
[  180.174691][ T4863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  180.174693][ T4863] Call Trace:
[  180.174695][ T4863]  <TASK>
[  180.174696][ T4863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  180.174701][ T4863]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  180.174702][ T4863]  __might_resched.cold (kernel/sched/core.c:9234)
[  180.174706][ T4863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  180.174709][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174712][ T4863]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  180.174715][ T4863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.174718][ T4863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.174722][ T4863]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  180.174724][ T4863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.174727][ T4863]  put_chars (drivers/char/virtio_console.c:1176)
[  180.174728][ T4863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  180.174730][ T4863]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  180.174732][ T4863]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  180.174734][ T4863]  ? pointer (lib/vsprintf.c:2577)
[  180.174738][ T4863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  180.174742][ T4863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  180.174744][ T4863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.174746][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174749][ T4863]  console_emit_next_record (kernel/printk/printk.c:3183)
[  180.174751][ T4863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  180.174754][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174755][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174756][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174757][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174759][ T4863]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  180.174760][ T4863]  console_flush_one_record (kernel/printk/printk.c:3268)
[  180.174763][ T4863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  180.174765][ T4863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  180.174768][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174769][ T4863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  180.174771][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174772][ T4863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.174773][ T4863]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  180.174775][ T4863]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  180.174776][ T4863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  180.174778][ T4863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  180.174780][ T4863]  vprintk_emit (kernel/printk/printk.c:2479)
[  180.174782][ T4863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  180.174783][ T4863]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  180.174785][ T4863]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  180.174788][ T4863]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  180.174791][ T4863]  _printk (kernel/printk/printk.c:2504)
[  180.174794][ T4863]  ? snapshot_read.cold (user.c:?)
[  180.174795][ T4863]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  180.174798][ T4863]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  180.174801][ T4863]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  180.174803][ T4863]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  180.174806][ T4863]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  180.174808][ T4863]  ? netdev_notice (net/core/dev.c:13194)
[  180.174810][ T4863]  ? 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)
[  180.174812][ T4863]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  180.174814][ T4863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.174816][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174817][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174818][ T4863]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  180.174819][ T4863]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  180.174821][ T4863]  ? 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)
[  180.174822][ T4863]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  180.174824][ T4863]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  180.174825][ T4863]  ? register_netdev (net/core/dev.c:11618)
[  180.174827][ T4863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.174829][ T4863]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  180.174832][ T4863]  ? __kernel_text_address (kernel/extable.c:79)
[  180.174834][ T4863]  ? write_profile (profile.c:?)
[  180.174837][ T4863]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  180.174841][ T4863]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  180.174842][ T4863]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  180.174844][ T4863]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  180.174845][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174846][ T4863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  180.174850][ T4863]  ? kasan_save_stack (mm/kasan/common.c:58)
[  180.174852][ T4863]  ? kasan_save_stack (mm/kasan/common.c:57)
[  180.174853][ T4863]  ? kasan_save_track (mm/kasan/common.c:78)
[  180.174854][ T4863]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  180.174855][ T4863]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  180.174856][ T4863]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  180.174857][ T4863]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  180.174858][ T4863]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  180.174861][ T4863]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  180.174863][ T4863]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  180.174864][ T4863]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  180.174867][ T4863]  ? ____sys_sendmsg (net/socket.c:2713)
[  180.174868][ T4863]  ? ___sys_sendmsg (net/socket.c:2767)
[  180.174870][ T4863]  ? __sys_sendmsg (net/socket.c:2799)
[  180.174871][ T4863]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  180.174874][ T4863]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  180.174876][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174877][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174879][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174880][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174881][ T4863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  180.174883][ T4863]  ? __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)
[  180.174884][ T4863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  180.174885][ T4863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  180.174887][ T4863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  180.174888][ T4863]  ? nla_get_range_signed (lib/nlattr.c:270)
[  180.174891][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174892][ T4863]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  180.174894][ T4863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  180.174896][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174897][ T4863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  180.174899][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174900][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174901][ T4863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  180.174904][ T4863]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  180.174905][ T4863]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  180.174907][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174908][ T4863]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  180.174911][ T4863]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  180.174913][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174914][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174916][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174917][ T4863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  180.174918][ T4863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  180.174920][ T4863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  180.174921][ T4863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  180.174923][ T4863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  180.174925][ T4863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  180.174927][ T4863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  180.174929][ T4863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.174930][ T4863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  180.174932][ T4863]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  180.174935][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174936][ T4863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.174938][ T4863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  180.174940][ T4863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  180.174942][ T4863]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  180.174944][ T4863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  180.174946][ T4863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  180.174948][ T4863]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  180.174949][ T4863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.174951][ T4863]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  180.174954][ T4863]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  180.174956][ T4863]  ____sys_sendmsg (net/socket.c:2713)
[  180.174957][ T4863]  ? copy_msghdr_from_user (net/socket.c:2650)
[  180.174959][ T4863]  ? sock_write_iter (net/socket.c:1269)
[  180.174960][ T4863]  ? move_addr_to_kernel (net/socket.c:258)
[  180.174962][ T4863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  180.174964][ T4863]  ___sys_sendmsg (net/socket.c:2767)
[  180.174966][ T4863]  ? copy_msghdr_from_user (net/socket.c:2619)
[  180.174975][ T4863]  __sys_sendmsg (net/socket.c:2799)
[  180.174977][ T4863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  180.174980][ T4863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.174982][ T4863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  180.174983][ T4863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  180.174985][ T4863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  180.174987][ T4863] RIP: 0033:0x7f83d78b054e
[  180.174989][ T4863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  180.174991][ T4863] RSP: 002b:00007ffda24cbd10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  180.174994][ T4863] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f83d78b054e
[  180.174996][ T4863] RDX: 0000000000000000 RSI: 00007ffda24cbdc0 RDI: 0000000000000005
[  180.174997][ T4863] RBP: 00007ffda24cbd20 R08: 0000000000000000 R09: 0000000000000000
[  180.174998][ T4863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbbd
[  180.174999][ T4863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda24cc480
| [  181.215867][ T4913] softirqs last disabled at (0): 0x0
| [  181.215869][ T4913] Preemption disabled at:
| [  181.215869][ T4913] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.215879][ T4913] Tainted: [W]=WARN
[  181.215881][ T4913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.215882][ T4913] Call Trace:
[  181.215884][ T4913]  <TASK>
[  181.215886][ T4913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.215891][ T4913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.215893][ T4913]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.215896][ T4913]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  181.215898][ T4913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.215902][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215904][ T4913]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.215907][ T4913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.215910][ T4913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.215915][ T4913]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.215916][ T4913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.215919][ T4913]  put_chars (drivers/char/virtio_console.c:1176)
[  181.215921][ T4913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.215923][ T4913]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  181.215925][ T4913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.215930][ T4913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.215931][ T4913]  ? vsnprintf (lib/vsprintf.c:2900)
[  181.215935][ T4913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.215936][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215938][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215939][ T4913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.215942][ T4913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.215944][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215945][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215946][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215947][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.215950][ T4913]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.215951][ T4913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.215954][ T4913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.215956][ T4913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.215958][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.215960][ T4913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.215962][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215963][ T4913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.215964][ T4913]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.215966][ T4913]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  181.215967][ T4913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.215970][ T4913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.215971][ T4913]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.215973][ T4913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.215974][ T4913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.215975][ T4913]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.215983][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.215984][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.215986][ T4913]  _printk (kernel/printk/printk.c:2504)
[  181.215989][ T4913]  ? snapshot_read.cold (user.c:?)
[  181.215991][ T4913]  ? br_multicast_flood (??:?)
[  181.215994][ T4913]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  181.215997][ T4913]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  181.215998][ T4913]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.216000][ T4913]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  181.216003][ T4913]  br_init_port (net/bridge/br_stp_if.c:39)
[  181.216005][ T4913]  new_nbp (net/bridge/br_if.c:449)
[  181.216007][ T4913]  br_add_if (net/bridge/br_if.c:592)
[  181.216009][ T4913]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  181.216013][ T4913]  do_set_master (net/core/rtnetlink.c:3071)
[  181.216015][ T4913]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  181.216017][ T4913]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  181.216018][ T4913]  ? __dev_get_by_name (net/core/dev.c:905)
[  181.216020][ T4913]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  181.216024][ T4913]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  181.216026][ T4913]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.216028][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216030][ T4913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.216031][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.216032][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216034][ T4913]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  181.216037][ T4913]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  181.216038][ T4913]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  181.216041][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216042][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.216043][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216045][ T4913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.216046][ T4913]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.216048][ T4913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.216049][ T4913]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.216050][ T4913]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.216054][ T4913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.216057][ T4913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.216059][ T4913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.216060][ T4913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.216062][ T4913]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  181.216065][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216066][ T4913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.216068][ T4913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.216070][ T4913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.216072][ T4913]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  181.216075][ T4913]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  181.216078][ T4913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.216080][ T4913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.216082][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.216083][ T4913]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.216087][ T4913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.216090][ T4913]  ____sys_sendmsg (net/socket.c:2713)
[  181.216092][ T4913]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.216093][ T4913]  ? sock_write_iter (net/socket.c:1269)
[  181.216095][ T4913]  ? move_addr_to_kernel (net/socket.c:258)
[  181.216097][ T4913]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  181.216099][ T4913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.216101][ T4913]  ___sys_sendmsg (net/socket.c:2767)
[  181.216103][ T4913]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  181.216105][ T4913]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.216107][ T4913]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  181.216111][ T4913]  __sys_sendmsg (net/socket.c:2799)
[  181.216113][ T4913]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.216116][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216117][ T4913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.216118][ T4913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.216121][ T4913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.216123][ T4913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.216125][ T4913] RIP: 0033:0x7fd43328e54e
[  181.216127][ T4913] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  181.216128][ T4913] RSP: 002b:00007ffe0cc5fcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.216132][ T4913] RAX: ffffffffffffffda RBX: 00007ffe0cc60488 RCX: 00007fd43328e54e
[  181.216133][ T4913] RDX: 0000000000000000 RSI: 00007ffe0cc5fd70 RDI: 0000000000000005
[  181.216134][ T4913] RBP: 00007ffe0cc5fcd0 R08: 0000000000000000 R09: 0000000000000000
[  181.216135][ T4913] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbbe
[  181.216136][ T4913] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0cc60440
| [  186.757143][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  186.757145][   T68] Preemption disabled at:
| [  186.757146][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.757156][   T68] Tainted: [W]=WARN
[  186.757157][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.757159][   T68] Workqueue: netns cleanup_net
[  186.757165][   T68] Call Trace:
[  186.757166][   T68]  <TASK>
[  186.757168][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.757174][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.757175][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.757178][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  186.757181][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.757184][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757187][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  186.757190][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.757193][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.757197][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  186.757199][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.757202][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  186.757204][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.757206][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  186.757208][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.757213][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.757215][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  186.757217][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.757219][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757220][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757222][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.757225][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.757227][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757228][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757229][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757230][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.757233][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  186.757234][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.757237][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.757240][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.757241][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.757243][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.757245][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757246][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.757247][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  186.757249][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  186.757250][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.757253][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.757254][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.757256][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.757257][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  186.757259][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  186.757261][   T68]  ? kthread (kernel/kthread.c:436)
[  186.757264][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  186.757267][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  186.757269][   T68]  _printk (kernel/printk/printk.c:2504)
[  186.757272][   T68]  ? snapshot_read.cold (user.c:?)
[  186.757274][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  186.757277][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  186.757279][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  186.757282][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  186.757284][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757285][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  186.757286][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  186.757290][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  186.757291][   T68]  ? 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)
[  186.757293][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  186.757295][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  186.757297][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  186.757301][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  186.757303][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  186.757306][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  186.757308][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  186.757310][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  186.757313][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  186.757315][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  186.757317][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.757319][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.757320][   T68]  process_one_work (kernel/workqueue.c:3387)
[  186.757323][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  186.757326][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.757329][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  186.757331][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.757333][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  186.757335][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.757337][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  186.757339][   T68]  kthread (kernel/kthread.c:436)
[  186.757340][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  186.757342][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  186.757344][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  186.757346][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  186.757348][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  186.757351][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  186.757353][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  187.955593][ T5037] softirqs last disabled at (0): 0x0
| [  187.955595][ T5037] Preemption disabled at:
| [  187.955596][ T5037] vprintk_emit (kernel/printk/printk.c:2471)
| [  187.955606][ T5037] Tainted: [W]=WARN
[  187.955608][ T5037] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  187.955609][ T5037] Call Trace:
[  187.955611][ T5037]  <TASK>
[  187.955612][ T5037]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  187.955618][ T5037]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  187.955619][ T5037]  __might_resched.cold (kernel/sched/core.c:9234)
[  187.955623][ T5037]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  187.955625][ T5037]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  187.955628][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955631][ T5037]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  187.955633][ T5037]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  187.955636][ T5037]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.955641][ T5037]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  187.955643][ T5037]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  187.955646][ T5037]  put_chars (drivers/char/virtio_console.c:1176)
[  187.955648][ T5037]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  187.955649][ T5037]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  187.955652][ T5037]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  187.955657][ T5037]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  187.955659][ T5037]  ? vsnprintf (lib/vsprintf.c:2900)
[  187.955662][ T5037]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  187.955664][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955665][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955667][ T5037]  console_emit_next_record (kernel/printk/printk.c:3183)
[  187.955669][ T5037]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  187.955672][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955673][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955674][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955675][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955677][ T5037]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  187.955679][ T5037]  console_flush_one_record (kernel/printk/printk.c:3268)
[  187.955682][ T5037]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  187.955687][ T5037]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  187.955689][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955691][ T5037]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  187.955692][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955693][ T5037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  187.955695][ T5037]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  187.955697][ T5037]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  187.955698][ T5037]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  187.955700][ T5037]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  187.955702][ T5037]  vprintk_emit (kernel/printk/printk.c:2479)
[  187.955704][ T5037]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  187.955705][ T5037]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  187.955707][ T5037]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  187.955710][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955711][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955713][ T5037]  _printk (kernel/printk/printk.c:2504)
[  187.955716][ T5037]  ? snapshot_read.cold (user.c:?)
[  187.955718][ T5037]  ? br_multicast_flood (??:?)
[  187.955721][ T5037]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  187.955724][ T5037]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  187.955725][ T5037]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  187.955727][ T5037]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  187.955730][ T5037]  br_init_port (net/bridge/br_stp_if.c:39)
[  187.955732][ T5037]  new_nbp (net/bridge/br_if.c:449)
[  187.955734][ T5037]  br_add_if (net/bridge/br_if.c:592)
[  187.955736][ T5037]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  187.955740][ T5037]  do_set_master (net/core/rtnetlink.c:3071)
[  187.955742][ T5037]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  187.955744][ T5037]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  187.955745][ T5037]  ? __dev_get_by_name (net/core/dev.c:905)
[  187.955747][ T5037]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  187.955751][ T5037]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  187.955754][ T5037]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  187.955756][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955757][ T5037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  187.955758][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955760][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955761][ T5037]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  187.955764][ T5037]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  187.955766][ T5037]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  187.955768][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955770][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955771][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955772][ T5037]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  187.955774][ T5037]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  187.955776][ T5037]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  187.955777][ T5037]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  187.955779][ T5037]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  187.955783][ T5037]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  187.955786][ T5037]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  187.955787][ T5037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  187.955789][ T5037]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  187.955791][ T5037]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  187.955793][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955795][ T5037]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  187.955797][ T5037]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  187.955799][ T5037]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  187.955801][ T5037]  ? next_uptodate_folio (mm/filemap.c:3747)
[  187.955804][ T5037]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  187.955807][ T5037]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  187.955809][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955810][ T5037]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  187.955814][ T5037]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  187.955817][ T5037]  ____sys_sendmsg (net/socket.c:2713)
[  187.955818][ T5037]  ? copy_msghdr_from_user (net/socket.c:2650)
[  187.955820][ T5037]  ? sock_write_iter (net/socket.c:1269)
[  187.955822][ T5037]  ? move_addr_to_kernel (net/socket.c:258)
[  187.955824][ T5037]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  187.955826][ T5037]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  187.955828][ T5037]  ___sys_sendmsg (net/socket.c:2767)
[  187.955830][ T5037]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  187.955832][ T5037]  ? copy_msghdr_from_user (net/socket.c:2619)
[  187.955834][ T5037]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  187.955839][ T5037]  __sys_sendmsg (net/socket.c:2799)
[  187.955841][ T5037]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  187.955844][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955845][ T5037]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  187.955846][ T5037]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  187.955849][ T5037]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  187.955851][ T5037]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  187.955853][ T5037] RIP: 0033:0x7f9ebd34a54e
[  187.955855][ T5037] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  187.955857][ T5037] RSP: 002b:00007ffeb2d27ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  187.955861][ T5037] RAX: ffffffffffffffda RBX: 00007ffeb2d28668 RCX: 00007f9ebd34a54e
[  187.955862][ T5037] RDX: 0000000000000000 RSI: 00007ffeb2d27f50 RDI: 0000000000000005
[  187.955863][ T5037] RBP: 00007ffeb2d27eb0 R08: 0000000000000000 R09: 0000000000000000
[  187.955864][ T5037] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbc5
[  187.955865][ T5037] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb2d28620
| [  189.283107][ T5106] softirqs last disabled at (0): 0x0
| [  189.283109][ T5106] Preemption disabled at:
| [  189.283110][ T5106] vprintk_emit (kernel/printk/printk.c:2471)
| [  189.283120][ T5106] Tainted: [W]=WARN
[  189.283121][ T5106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  189.283122][ T5106] Call Trace:
[  189.283124][ T5106]  <TASK>
[  189.283125][ T5106]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  189.283131][ T5106]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  189.283132][ T5106]  __might_resched.cold (kernel/sched/core.c:9234)
[  189.283136][ T5106]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  189.283140][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283142][ T5106]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  189.283145][ T5106]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.283148][ T5106]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.283153][ T5106]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  189.283155][ T5106]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  189.283157][ T5106]  put_chars (drivers/char/virtio_console.c:1176)
[  189.283159][ T5106]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  189.283160][ T5106]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  189.283163][ T5106]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  189.283165][ T5106]  ? pointer (lib/vsprintf.c:2577)
[  189.283168][ T5106]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  189.283173][ T5106]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  189.283175][ T5106]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.283176][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283179][ T5106]  console_emit_next_record (kernel/printk/printk.c:3183)
[  189.283182][ T5106]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  189.283184][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283185][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283186][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283187][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283189][ T5106]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  189.283190][ T5106]  console_flush_one_record (kernel/printk/printk.c:3268)
[  189.283193][ T5106]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  189.283195][ T5106]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  189.283197][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283199][ T5106]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  189.283201][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283202][ T5106]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.283203][ T5106]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  189.283205][ T5106]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  189.283206][ T5106]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  189.283209][ T5106]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  189.283210][ T5106]  vprintk_emit (kernel/printk/printk.c:2479)
[  189.283212][ T5106]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  189.283213][ T5106]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  189.283215][ T5106]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  189.283218][ T5106]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  189.283221][ T5106]  _printk (kernel/printk/printk.c:2504)
[  189.283224][ T5106]  ? snapshot_read.cold (user.c:?)
[  189.283226][ T5106]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  189.283228][ T5106]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  189.283231][ T5106]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  189.283233][ T5106]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  189.283236][ T5106]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  189.283239][ T5106]  ? netdev_notice (net/core/dev.c:13194)
[  189.283241][ T5106]  ? 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)
[  189.283243][ T5106]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  189.283245][ T5106]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  189.283247][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283248][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283249][ T5106]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  189.283250][ T5106]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  189.283252][ T5106]  ? 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)
[  189.283253][ T5106]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  189.283254][ T5106]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  189.283256][ T5106]  ? register_netdev (net/core/dev.c:11618)
[  189.283257][ T5106]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.283259][ T5106]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  189.283262][ T5106]  ? __kernel_text_address (kernel/extable.c:79)
[  189.283265][ T5106]  ? write_profile (profile.c:?)
[  189.283267][ T5106]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  189.283271][ T5106]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  189.283273][ T5106]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  189.283274][ T5106]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  189.283276][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283277][ T5106]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  189.283280][ T5106]  ? kasan_save_stack (mm/kasan/common.c:58)
[  189.283282][ T5106]  ? kasan_save_stack (mm/kasan/common.c:57)
[  189.283283][ T5106]  ? kasan_save_track (mm/kasan/common.c:78)
[  189.283284][ T5106]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  189.283285][ T5106]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  189.283287][ T5106]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  189.283288][ T5106]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.283290][ T5106]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.283293][ T5106]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.283294][ T5106]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.283296][ T5106]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.283298][ T5106]  ? ____sys_sendmsg (net/socket.c:2713)
[  189.283300][ T5106]  ? ___sys_sendmsg (net/socket.c:2767)
[  189.283301][ T5106]  ? __sys_sendmsg (net/socket.c:2799)
[  189.283303][ T5106]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.283305][ T5106]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.283308][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283309][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283310][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283311][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283313][ T5106]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  189.283314][ T5106]  ? __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)
[  189.283315][ T5106]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  189.283316][ T5106]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  189.283318][ T5106]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  189.283319][ T5106]  ? nla_get_range_signed (lib/nlattr.c:270)
[  189.283322][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283324][ T5106]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  189.283326][ T5106]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  189.283328][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283329][ T5106]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.283330][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283332][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283333][ T5106]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  189.283335][ T5106]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  189.283337][ T5106]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  189.283338][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283339][ T5106]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  189.283343][ T5106]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  189.283345][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283346][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283348][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283349][ T5106]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  189.283350][ T5106]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  189.283352][ T5106]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.283353][ T5106]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  189.283355][ T5106]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  189.283357][ T5106]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  189.283359][ T5106]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  189.283360][ T5106]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.283362][ T5106]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  189.283363][ T5106]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  189.283367][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283368][ T5106]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  189.283370][ T5106]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  189.283372][ T5106]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  189.283374][ T5106]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.283376][ T5106]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  189.283378][ T5106]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  189.283380][ T5106]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  189.283382][ T5106]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  189.283383][ T5106]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  189.283387][ T5106]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  189.283388][ T5106]  ____sys_sendmsg (net/socket.c:2713)
[  189.283390][ T5106]  ? copy_msghdr_from_user (net/socket.c:2650)
[  189.283392][ T5106]  ? sock_write_iter (net/socket.c:1269)
[  189.283393][ T5106]  ? move_addr_to_kernel (net/socket.c:258)
[  189.283395][ T5106]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  189.283398][ T5106]  ___sys_sendmsg (net/socket.c:2767)
[  189.283399][ T5106]  ? copy_msghdr_from_user (net/socket.c:2619)
[  189.283404][ T5106]  __sys_sendmsg (net/socket.c:2799)
[  189.283406][ T5106]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  189.283409][ T5106]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  189.283410][ T5106]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  189.283412][ T5106]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  189.283414][ T5106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  189.283416][ T5106] RIP: 0033:0x7fa4511bd54e
[  189.283417][ T5106] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  189.283419][ T5106] RSP: 002b:00007ffc22a45180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  189.283423][ T5106] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa4511bd54e
[  189.283424][ T5106] RDX: 0000000000000000 RSI: 00007ffc22a45230 RDI: 0000000000000005
[  189.283425][ T5106] RBP: 00007ffc22a45190 R08: 0000000000000000 R09: 0000000000000000
[  189.283426][ T5106] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbc6
[  189.283427][ T5106] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc22a458f0
| [  190.319916][ T5156] softirqs last disabled at (0): 0x0
| [  190.319918][ T5156] Preemption disabled at:
| [  190.319919][ T5156] vprintk_emit (kernel/printk/printk.c:2471)
| [  190.319929][ T5156] Tainted: [W]=WARN
[  190.319929][ T5156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.319931][ T5156] Call Trace:
[  190.319933][ T5156]  <TASK>
[  190.319934][ T5156]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  190.319939][ T5156]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  190.319941][ T5156]  __might_resched.cold (kernel/sched/core.c:9234)
[  190.319944][ T5156]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  190.319946][ T5156]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  190.319950][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.319952][ T5156]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  190.319955][ T5156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.319958][ T5156]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.319963][ T5156]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  190.319965][ T5156]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.319967][ T5156]  put_chars (drivers/char/virtio_console.c:1176)
[  190.319969][ T5156]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  190.319971][ T5156]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  190.319973][ T5156]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  190.319978][ T5156]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  190.319980][ T5156]  ? vsnprintf (lib/vsprintf.c:2900)
[  190.319983][ T5156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.319985][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.319986][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.319987][ T5156]  console_emit_next_record (kernel/printk/printk.c:3183)
[  190.319990][ T5156]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  190.319992][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.319993][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.319994][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.319995][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.319998][ T5156]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  190.319999][ T5156]  console_flush_one_record (kernel/printk/printk.c:3268)
[  190.320002][ T5156]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  190.320005][ T5156]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  190.320006][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.320008][ T5156]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  190.320010][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320011][ T5156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.320012][ T5156]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  190.320014][ T5156]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  190.320015][ T5156]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  190.320018][ T5156]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  190.320019][ T5156]  vprintk_emit (kernel/printk/printk.c:2479)
[  190.320021][ T5156]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  190.320022][ T5156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.320024][ T5156]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.320026][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.320028][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320029][ T5156]  _printk (kernel/printk/printk.c:2504)
[  190.320032][ T5156]  ? snapshot_read.cold (user.c:?)
[  190.320034][ T5156]  ? br_multicast_flood (??:?)
[  190.320038][ T5156]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  190.320045][ T5156]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  190.320046][ T5156]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  190.320048][ T5156]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  190.320050][ T5156]  br_init_port (net/bridge/br_stp_if.c:39)
[  190.320052][ T5156]  new_nbp (net/bridge/br_if.c:449)
[  190.320055][ T5156]  br_add_if (net/bridge/br_if.c:592)
[  190.320056][ T5156]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  190.320061][ T5156]  do_set_master (net/core/rtnetlink.c:3071)
[  190.320062][ T5156]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  190.320064][ T5156]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  190.320066][ T5156]  ? __dev_get_by_name (net/core/dev.c:905)
[  190.320067][ T5156]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  190.320071][ T5156]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  190.320074][ T5156]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  190.320076][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320077][ T5156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.320078][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.320080][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320081][ T5156]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  190.320084][ T5156]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  190.320086][ T5156]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  190.320088][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320089][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.320091][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320092][ T5156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.320093][ T5156]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.320095][ T5156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.320097][ T5156]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.320098][ T5156]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  190.320102][ T5156]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.320105][ T5156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.320106][ T5156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.320108][ T5156]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  190.320109][ T5156]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  190.320112][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320113][ T5156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.320116][ T5156]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.320118][ T5156]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  190.320120][ T5156]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  190.320122][ T5156]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  190.320125][ T5156]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.320127][ T5156]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  190.320129][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.320131][ T5156]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  190.320135][ T5156]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.320138][ T5156]  ____sys_sendmsg (net/socket.c:2713)
[  190.320140][ T5156]  ? copy_msghdr_from_user (net/socket.c:2650)
[  190.320141][ T5156]  ? sock_write_iter (net/socket.c:1269)
[  190.320143][ T5156]  ? move_addr_to_kernel (net/socket.c:258)
[  190.320145][ T5156]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  190.320147][ T5156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.320149][ T5156]  ___sys_sendmsg (net/socket.c:2767)
[  190.320151][ T5156]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  190.320153][ T5156]  ? copy_msghdr_from_user (net/socket.c:2619)
[  190.320155][ T5156]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  190.320159][ T5156]  __sys_sendmsg (net/socket.c:2799)
[  190.320161][ T5156]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  190.320164][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320165][ T5156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.320166][ T5156]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.320169][ T5156]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  190.320171][ T5156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.320173][ T5156] RIP: 0033:0x7fe527cbf54e
[  190.320175][ T5156] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  190.320177][ T5156] RSP: 002b:00007ffee74f7160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  190.320180][ T5156] RAX: ffffffffffffffda RBX: 00007ffee74f7928 RCX: 00007fe527cbf54e
[  190.320182][ T5156] RDX: 0000000000000000 RSI: 00007ffee74f7210 RDI: 0000000000000005
[  190.320183][ T5156] RBP: 00007ffee74f7170 R08: 0000000000000000 R09: 0000000000000000
[  190.320184][ T5156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbc7
[  190.320185][ T5156] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee74f78e0
| [  195.825589][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  195.825591][   T68] Preemption disabled at:
| [  195.825591][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  195.825603][   T68] Tainted: [W]=WARN
[  195.825603][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  195.825605][   T68] Workqueue: netns cleanup_net
[  195.825611][   T68] Call Trace:
[  195.825612][   T68]  <TASK>
[  195.825614][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  195.825619][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  195.825621][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  195.825624][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  195.825626][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  195.825630][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825632][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  195.825635][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.825638][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.825643][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  195.825645][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.825647][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  195.825649][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  195.825651][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  195.825653][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  195.825658][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  195.825659][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  195.825662][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.825663][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825665][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825667][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  195.825669][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  195.825671][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825672][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825673][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825675][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.825677][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  195.825678][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  195.825681][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  195.825686][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  195.825688][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.825690][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  195.825692][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825693][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.825695][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  195.825696][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  195.825698][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  195.825700][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  195.825701][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  195.825703][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  195.825704][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  195.825706][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  195.825708][   T68]  ? kthread (kernel/kthread.c:436)
[  195.825710][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  195.825713][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  195.825716][   T68]  _printk (kernel/printk/printk.c:2504)
[  195.825719][   T68]  ? snapshot_read.cold (user.c:?)
[  195.825721][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  195.825724][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  195.825726][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  195.825729][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  195.825731][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825732][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  195.825733][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  195.825736][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  195.825738][   T68]  ? 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)
[  195.825739][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  195.825742][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  195.825744][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  195.825748][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  195.825750][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  195.825752][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  195.825755][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  195.825756][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  195.825759][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  195.825761][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  195.825763][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.825765][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.825766][   T68]  process_one_work (kernel/workqueue.c:3387)
[  195.825769][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  195.825772][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.825774][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  195.825777][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  195.825779][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  195.825780][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  195.825782][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  195.825784][   T68]  kthread (kernel/kthread.c:436)
[  195.825786][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  195.825787][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  195.825789][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  195.825791][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  195.825793][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  195.825796][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  195.825798][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  196.987798][ T5280] softirqs last disabled at (0): 0x0
| [  196.987800][ T5280] Preemption disabled at:
| [  196.987801][ T5280] vprintk_emit (kernel/printk/printk.c:2471)
| [  196.987811][ T5280] Tainted: [W]=WARN
[  196.987812][ T5280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  196.987813][ T5280] Call Trace:
[  196.987815][ T5280]  <TASK>
[  196.987816][ T5280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  196.987822][ T5280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  196.987823][ T5280]  __might_resched.cold (kernel/sched/core.c:9234)
[  196.987827][ T5280]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  196.987830][ T5280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  196.987833][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987836][ T5280]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  196.987839][ T5280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  196.987842][ T5280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.987847][ T5280]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  196.987848][ T5280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  196.987851][ T5280]  put_chars (drivers/char/virtio_console.c:1176)
[  196.987853][ T5280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  196.987855][ T5280]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  196.987857][ T5280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  196.987862][ T5280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  196.987864][ T5280]  ? vsnprintf (lib/vsprintf.c:2900)
[  196.987867][ T5280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  196.987869][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987870][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987872][ T5280]  console_emit_next_record (kernel/printk/printk.c:3183)
[  196.987875][ T5280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  196.987877][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987878][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987879][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987880][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.987882][ T5280]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  196.987885][ T5280]  console_flush_one_record (kernel/printk/printk.c:3268)
[  196.987887][ T5280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  196.987890][ T5280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  196.987892][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.987894][ T5280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  196.987895][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987896][ T5280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  196.987898][ T5280]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  196.987899][ T5280]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  196.987901][ T5280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  196.987903][ T5280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  196.987905][ T5280]  vprintk_emit (kernel/printk/printk.c:2479)
[  196.987906][ T5280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  196.987907][ T5280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  196.987909][ T5280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  196.987912][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.987914][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987915][ T5280]  _printk (kernel/printk/printk.c:2504)
[  196.987918][ T5280]  ? snapshot_read.cold (user.c:?)
[  196.987920][ T5280]  ? br_multicast_flood (??:?)
[  196.987924][ T5280]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  196.987927][ T5280]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  196.987928][ T5280]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  196.987930][ T5280]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  196.987933][ T5280]  br_init_port (net/bridge/br_stp_if.c:39)
[  196.987935][ T5280]  new_nbp (net/bridge/br_if.c:449)
[  196.987937][ T5280]  br_add_if (net/bridge/br_if.c:592)
[  196.987939][ T5280]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  196.987943][ T5280]  do_set_master (net/core/rtnetlink.c:3071)
[  196.987945][ T5280]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  196.987946][ T5280]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  196.987948][ T5280]  ? __dev_get_by_name (net/core/dev.c:905)
[  196.987950][ T5280]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  196.987954][ T5280]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  196.987956][ T5280]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  196.987959][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987960][ T5280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  196.987961][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.987963][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987964][ T5280]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  196.987967][ T5280]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  196.987969][ T5280]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  196.987971][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987972][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.987974][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987975][ T5280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  196.987976][ T5280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  196.987978][ T5280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  196.987979][ T5280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  196.987981][ T5280]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  196.987985][ T5280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  196.987988][ T5280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  196.987989][ T5280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  196.987991][ T5280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  196.987993][ T5280]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  196.987995][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.987997][ T5280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  196.987999][ T5280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  196.988001][ T5280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  196.988003][ T5280]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  196.988006][ T5280]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  196.988008][ T5280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  196.988011][ T5280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  196.988013][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.988015][ T5280]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  196.988018][ T5280]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  196.988021][ T5280]  ____sys_sendmsg (net/socket.c:2713)
[  196.988023][ T5280]  ? copy_msghdr_from_user (net/socket.c:2650)
[  196.988025][ T5280]  ? sock_write_iter (net/socket.c:1269)
[  196.988027][ T5280]  ? move_addr_to_kernel (net/socket.c:258)
[  196.988029][ T5280]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  196.988032][ T5280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  196.988034][ T5280]  ___sys_sendmsg (net/socket.c:2767)
[  196.988035][ T5280]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  196.988037][ T5280]  ? copy_msghdr_from_user (net/socket.c:2619)
[  196.988039][ T5280]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  196.988044][ T5280]  __sys_sendmsg (net/socket.c:2799)
[  196.988046][ T5280]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  196.988049][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.988050][ T5280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  196.988052][ T5280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  196.988054][ T5280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  196.988057][ T5280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  196.988059][ T5280] RIP: 0033:0x7feebb2de54e
[  196.988061][ T5280] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  196.988063][ T5280] RSP: 002b:00007ffc9a396530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  196.988066][ T5280] RAX: ffffffffffffffda RBX: 00007ffc9a396cf8 RCX: 00007feebb2de54e
[  196.988068][ T5280] RDX: 0000000000000000 RSI: 00007ffc9a3965e0 RDI: 0000000000000005
[  196.988069][ T5280] RBP: 00007ffc9a396540 R08: 0000000000000000 R09: 0000000000000000
[  196.988070][ T5280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbce
[  196.988071][ T5280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9a396cb0
| [  198.319524][ T5349] softirqs last disabled at (0): 0x0
| [  198.319525][ T5349] Preemption disabled at:
| [  198.319526][ T5349] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.319537][ T5349] Tainted: [W]=WARN
[  198.319537][ T5349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.319539][ T5349] Call Trace:
[  198.319541][ T5349]  <TASK>
[  198.319542][ T5349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.319548][ T5349]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.319549][ T5349]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.319554][ T5349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.319557][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319560][ T5349]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  198.319563][ T5349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.319566][ T5349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.319572][ T5349]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  198.319574][ T5349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.319576][ T5349]  put_chars (drivers/char/virtio_console.c:1176)
[  198.319578][ T5349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.319579][ T5349]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  198.319582][ T5349]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  198.319584][ T5349]  ? pointer (lib/vsprintf.c:2577)
[  198.319588][ T5349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.319592][ T5349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.319594][ T5349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.319596][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319599][ T5349]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.319601][ T5349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.319604][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319605][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319606][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319607][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319609][ T5349]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  198.319611][ T5349]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.319613][ T5349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.319616][ T5349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.319618][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319619][ T5349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.319621][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319622][ T5349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.319624][ T5349]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  198.319625][ T5349]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  198.319627][ T5349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.319629][ T5349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.319630][ T5349]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.319632][ T5349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.319634][ T5349]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  198.319636][ T5349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  198.319639][ T5349]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  198.319642][ T5349]  _printk (kernel/printk/printk.c:2504)
[  198.319645][ T5349]  ? snapshot_read.cold (user.c:?)
[  198.319647][ T5349]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  198.319649][ T5349]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  198.319652][ T5349]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  198.319654][ T5349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  198.319657][ T5349]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  198.319660][ T5349]  ? netdev_notice (net/core/dev.c:13194)
[  198.319662][ T5349]  ? 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)
[  198.319663][ T5349]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  198.319666][ T5349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.319668][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319669][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319670][ T5349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  198.319671][ T5349]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  198.319673][ T5349]  ? 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)
[  198.319674][ T5349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  198.319676][ T5349]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  198.319678][ T5349]  ? register_netdev (net/core/dev.c:11618)
[  198.319679][ T5349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.319685][ T5349]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  198.319687][ T5349]  ? __kernel_text_address (kernel/extable.c:79)
[  198.319690][ T5349]  ? write_profile (profile.c:?)
[  198.319693][ T5349]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  198.319697][ T5349]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  198.319699][ T5349]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  198.319700][ T5349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  198.319701][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319703][ T5349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  198.319706][ T5349]  ? kasan_save_stack (mm/kasan/common.c:58)
[  198.319708][ T5349]  ? kasan_save_stack (mm/kasan/common.c:57)
[  198.319709][ T5349]  ? kasan_save_track (mm/kasan/common.c:78)
[  198.319710][ T5349]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  198.319711][ T5349]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  198.319712][ T5349]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  198.319714][ T5349]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  198.319715][ T5349]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.319718][ T5349]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.319720][ T5349]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.319721][ T5349]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.319724][ T5349]  ? ____sys_sendmsg (net/socket.c:2713)
[  198.319725][ T5349]  ? ___sys_sendmsg (net/socket.c:2767)
[  198.319727][ T5349]  ? __sys_sendmsg (net/socket.c:2799)
[  198.319728][ T5349]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.319731][ T5349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.319733][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319735][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319736][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319737][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319738][ T5349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  198.319740][ T5349]  ? __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)
[  198.319741][ T5349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  198.319742][ T5349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  198.319744][ T5349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  198.319745][ T5349]  ? nla_get_range_signed (lib/nlattr.c:270)
[  198.319748][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319750][ T5349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  198.319752][ T5349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  198.319754][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319755][ T5349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.319756][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319758][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319760][ T5349]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  198.319762][ T5349]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  198.319763][ T5349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  198.319765][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319766][ T5349]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  198.319769][ T5349]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  198.319772][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319773][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319774][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319776][ T5349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.319777][ T5349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  198.319779][ T5349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.319780][ T5349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.319782][ T5349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  198.319784][ T5349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.319786][ T5349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.319788][ T5349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.319789][ T5349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  198.319791][ T5349]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  198.319794][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319795][ T5349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.319797][ T5349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.319800][ T5349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  198.319802][ T5349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.319803][ T5349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.319806][ T5349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  198.319807][ T5349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  198.319809][ T5349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.319811][ T5349]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  198.319814][ T5349]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.319816][ T5349]  ____sys_sendmsg (net/socket.c:2713)
[  198.319818][ T5349]  ? copy_msghdr_from_user (net/socket.c:2650)
[  198.319819][ T5349]  ? sock_write_iter (net/socket.c:1269)
[  198.319821][ T5349]  ? move_addr_to_kernel (net/socket.c:258)
[  198.319822][ T5349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  198.319825][ T5349]  ___sys_sendmsg (net/socket.c:2767)
[  198.319827][ T5349]  ? copy_msghdr_from_user (net/socket.c:2619)
[  198.319832][ T5349]  __sys_sendmsg (net/socket.c:2799)
[  198.319834][ T5349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  198.319837][ T5349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.319838][ T5349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.319840][ T5349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  198.319842][ T5349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.319844][ T5349] RIP: 0033:0x7f19d9e9954e
[  198.319846][ T5349] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  198.319848][ T5349] RSP: 002b:00007ffcc1615460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  198.319851][ T5349] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f19d9e9954e
[  198.319853][ T5349] RDX: 0000000000000000 RSI: 00007ffcc1615510 RDI: 0000000000000005
[  198.319854][ T5349] RBP: 00007ffcc1615470 R08: 0000000000000000 R09: 0000000000000000
[  198.319855][ T5349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbcf
[  198.319856][ T5349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc1615bd0
| [  199.410757][ T5399] softirqs last disabled at (0): 0x0
| [  199.410758][ T5399] Preemption disabled at:
| [  199.410759][ T5399] vprintk_emit (kernel/printk/printk.c:2471)
| [  199.410769][ T5399] Tainted: [W]=WARN
[  199.410770][ T5399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  199.410771][ T5399] Call Trace:
[  199.410773][ T5399]  <TASK>
[  199.410774][ T5399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  199.410780][ T5399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  199.410782][ T5399]  __might_resched.cold (kernel/sched/core.c:9234)
[  199.410785][ T5399]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  199.410788][ T5399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  199.410791][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410794][ T5399]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  199.410797][ T5399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.410800][ T5399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.410805][ T5399]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  199.410807][ T5399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.410809][ T5399]  put_chars (drivers/char/virtio_console.c:1176)
[  199.410811][ T5399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  199.410813][ T5399]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  199.410816][ T5399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  199.410820][ T5399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  199.410822][ T5399]  ? vsnprintf (lib/vsprintf.c:2900)
[  199.410825][ T5399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.410827][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410828][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410830][ T5399]  console_emit_next_record (kernel/printk/printk.c:3183)
[  199.410833][ T5399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  199.410835][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410836][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410837][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410838][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410841][ T5399]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  199.410843][ T5399]  console_flush_one_record (kernel/printk/printk.c:3268)
[  199.410845][ T5399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  199.410848][ T5399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  199.410850][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410852][ T5399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  199.410854][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410855][ T5399]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.410856][ T5399]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  199.410858][ T5399]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  199.410859][ T5399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  199.410861][ T5399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  199.410863][ T5399]  vprintk_emit (kernel/printk/printk.c:2479)
[  199.410865][ T5399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  199.410866][ T5399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.410868][ T5399]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  199.410871][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410873][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410874][ T5399]  _printk (kernel/printk/printk.c:2504)
[  199.410877][ T5399]  ? snapshot_read.cold (user.c:?)
[  199.410879][ T5399]  ? br_multicast_flood (??:?)
[  199.410883][ T5399]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  199.410886][ T5399]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  199.410887][ T5399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  199.410889][ T5399]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  199.410892][ T5399]  br_init_port (net/bridge/br_stp_if.c:39)
[  199.410893][ T5399]  new_nbp (net/bridge/br_if.c:449)
[  199.410896][ T5399]  br_add_if (net/bridge/br_if.c:592)
[  199.410898][ T5399]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  199.410902][ T5399]  do_set_master (net/core/rtnetlink.c:3071)
[  199.410904][ T5399]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  199.410905][ T5399]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  199.410907][ T5399]  ? __dev_get_by_name (net/core/dev.c:905)
[  199.410909][ T5399]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  199.410913][ T5399]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  199.410915][ T5399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  199.410918][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410919][ T5399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  199.410920][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410922][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410923][ T5399]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  199.410926][ T5399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  199.410928][ T5399]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  199.410930][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410932][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410933][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410935][ T5399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  199.410936][ T5399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  199.410938][ T5399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  199.410939][ T5399]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  199.410941][ T5399]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  199.410945][ T5399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  199.410948][ T5399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  199.410949][ T5399]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.410951][ T5399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  199.410952][ T5399]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  199.410956][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.410957][ T5399]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.410959][ T5399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  199.410961][ T5399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  199.410963][ T5399]  ? next_uptodate_folio (mm/filemap.c:3747)
[  199.410966][ T5399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  199.410969][ T5399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  199.410971][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410972][ T5399]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  199.410976][ T5399]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  199.410979][ T5399]  ____sys_sendmsg (net/socket.c:2713)
[  199.410981][ T5399]  ? copy_msghdr_from_user (net/socket.c:2650)
[  199.410983][ T5399]  ? sock_write_iter (net/socket.c:1269)
[  199.410984][ T5399]  ? move_addr_to_kernel (net/socket.c:258)
[  199.410986][ T5399]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  199.410989][ T5399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.410991][ T5399]  ___sys_sendmsg (net/socket.c:2767)
[  199.410993][ T5399]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  199.410995][ T5399]  ? copy_msghdr_from_user (net/socket.c:2619)
[  199.410996][ T5399]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  199.411001][ T5399]  __sys_sendmsg (net/socket.c:2799)
[  199.411003][ T5399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  199.411006][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.411007][ T5399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.411009][ T5399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  199.411011][ T5399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  199.411013][ T5399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  199.411015][ T5399] RIP: 0033:0x7f77e989054e
[  199.411017][ T5399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  199.411019][ T5399] RSP: 002b:00007fff693328a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  199.411023][ T5399] RAX: ffffffffffffffda RBX: 00007fff69333068 RCX: 00007f77e989054e
[  199.411024][ T5399] RDX: 0000000000000000 RSI: 00007fff69332950 RDI: 0000000000000005
[  199.411025][ T5399] RBP: 00007fff693328b0 R08: 0000000000000000 R09: 0000000000000000
[  199.411026][ T5399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbd0
[  199.411027][ T5399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff69333020
| [  212.371850][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  212.371852][   T68] Preemption disabled at:
| [  212.371853][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.371863][   T68] Tainted: [W]=WARN
[  212.371864][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.371865][   T68] Workqueue: netns cleanup_net
[  212.371871][   T68] Call Trace:
[  212.371873][   T68]  <TASK>
[  212.371874][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.371880][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.371881][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.371885][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  212.371887][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.371890][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371893][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  212.371895][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.371899][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.371903][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  212.371905][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.371908][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  212.371910][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.371911][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  212.371914][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.371919][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.371920][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  212.371923][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.371924][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371926][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371927][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.371930][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.371932][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371934][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371935][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371936][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.371938][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  212.371940][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.371942][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.371945][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.371947][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.371949][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.371951][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371952][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.371953][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  212.371955][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  212.371956][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.371959][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.371960][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.371962][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.371963][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  212.371964][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  212.371967][   T68]  ? kthread (kernel/kthread.c:436)
[  212.371969][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  212.371972][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  212.371975][   T68]  _printk (kernel/printk/printk.c:2504)
[  212.371977][   T68]  ? snapshot_read.cold (user.c:?)
[  212.371980][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  212.371983][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  212.371985][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  212.371987][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  212.371989][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.371991][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  212.371992][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  212.371995][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  212.371996][   T68]  ? 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)
[  212.371998][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  212.372000][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  212.372003][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  212.372007][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  212.372009][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  212.372011][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  212.372013][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  212.372015][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  212.372018][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  212.372020][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  212.372022][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.372024][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.372025][   T68]  process_one_work (kernel/workqueue.c:3387)
[  212.372028][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  212.372031][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.372033][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  212.372036][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  212.372038][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  212.372040][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  212.372042][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  212.372044][   T68]  kthread (kernel/kthread.c:436)
[  212.372045][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  212.372047][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  212.372049][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  212.372051][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  212.372053][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  212.372056][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  212.372058][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  214.675735][ T5735] softirqs last disabled at (0): 0x0
| [  214.675737][ T5735] Preemption disabled at:
| [  214.675738][ T5735] vprintk_emit (kernel/printk/printk.c:2471)
| [  214.675748][ T5735] Tainted: [W]=WARN
[  214.675749][ T5735] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.675751][ T5735] Call Trace:
[  214.675752][ T5735]  <TASK>
[  214.675754][ T5735]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.675759][ T5735]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  214.675760][ T5735]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.675764][ T5735]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.675768][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675770][ T5735]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  214.675773][ T5735]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.675777][ T5735]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.675782][ T5735]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  214.675784][ T5735]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.675786][ T5735]  put_chars (drivers/char/virtio_console.c:1176)
[  214.675788][ T5735]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.675789][ T5735]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  214.675792][ T5735]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  214.675794][ T5735]  ? pointer (lib/vsprintf.c:2577)
[  214.675797][ T5735]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.675802][ T5735]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.675804][ T5735]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.675806][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.675809][ T5735]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.675811][ T5735]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.675814][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675815][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675816][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675817][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.675819][ T5735]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  214.675821][ T5735]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.675823][ T5735]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.675827][ T5735]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.675828][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.675830][ T5735]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.675832][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675833][ T5735]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.675835][ T5735]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  214.675836][ T5735]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  214.675838][ T5735]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.675840][ T5735]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.675842][ T5735]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.675844][ T5735]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.675845][ T5735]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  214.675847][ T5735]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  214.675851][ T5735]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  214.675853][ T5735]  _printk (kernel/printk/printk.c:2504)
[  214.675856][ T5735]  ? snapshot_read.cold (user.c:?)
[  214.675858][ T5735]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  214.675860][ T5735]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  214.675864][ T5735]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  214.675866][ T5735]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  214.675869][ T5735]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  214.675872][ T5735]  ? netdev_notice (net/core/dev.c:13194)
[  214.675874][ T5735]  ? 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)
[  214.675876][ T5735]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  214.675878][ T5735]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.675880][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675881][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675882][ T5735]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  214.675884][ T5735]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  214.675885][ T5735]  ? 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)
[  214.675887][ T5735]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  214.675888][ T5735]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  214.675890][ T5735]  ? register_netdev (net/core/dev.c:11618)
[  214.675892][ T5735]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.675894][ T5735]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  214.675897][ T5735]  ? __kernel_text_address (kernel/extable.c:79)
[  214.675899][ T5735]  ? write_profile (profile.c:?)
[  214.675902][ T5735]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  214.675906][ T5735]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  214.675908][ T5735]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  214.675910][ T5735]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  214.675911][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675912][ T5735]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.675915][ T5735]  ? kasan_save_stack (mm/kasan/common.c:58)
[  214.675917][ T5735]  ? kasan_save_stack (mm/kasan/common.c:57)
[  214.675918][ T5735]  ? kasan_save_track (mm/kasan/common.c:78)
[  214.675919][ T5735]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  214.675921][ T5735]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  214.675922][ T5735]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  214.675923][ T5735]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.675924][ T5735]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.675927][ T5735]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.675929][ T5735]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.675931][ T5735]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  214.675933][ T5735]  ? ____sys_sendmsg (net/socket.c:2713)
[  214.675935][ T5735]  ? ___sys_sendmsg (net/socket.c:2767)
[  214.675936][ T5735]  ? __sys_sendmsg (net/socket.c:2799)
[  214.675938][ T5735]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.675940][ T5735]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.675943][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675944][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.675946][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675947][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675948][ T5735]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  214.675949][ T5735]  ? __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)
[  214.675951][ T5735]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  214.675952][ T5735]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  214.675953][ T5735]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  214.675955][ T5735]  ? nla_get_range_signed (lib/nlattr.c:270)
[  214.675958][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675959][ T5735]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  214.675961][ T5735]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  214.675963][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675965][ T5735]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.675966][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.675967][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675969][ T5735]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  214.675971][ T5735]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  214.675972][ T5735]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  214.675974][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675975][ T5735]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  214.675979][ T5735]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  214.675981][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675982][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.675983][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.675985][ T5735]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.675986][ T5735]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.675988][ T5735]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.675989][ T5735]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.675991][ T5735]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.675993][ T5735]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.675995][ T5735]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.675996][ T5735]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.675998][ T5735]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  214.676000][ T5735]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  214.676003][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.676004][ T5735]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.676006][ T5735]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.676008][ T5735]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  214.676010][ T5735]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.676012][ T5735]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.676015][ T5735]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  214.676016][ T5735]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  214.676018][ T5735]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.676020][ T5735]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  214.676023][ T5735]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  214.676025][ T5735]  ____sys_sendmsg (net/socket.c:2713)
[  214.676027][ T5735]  ? copy_msghdr_from_user (net/socket.c:2650)
[  214.676029][ T5735]  ? sock_write_iter (net/socket.c:1269)
[  214.676030][ T5735]  ? move_addr_to_kernel (net/socket.c:258)
[  214.676032][ T5735]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.676034][ T5735]  ___sys_sendmsg (net/socket.c:2767)
[  214.676036][ T5735]  ? copy_msghdr_from_user (net/socket.c:2619)
[  214.676041][ T5735]  __sys_sendmsg (net/socket.c:2799)
[  214.676043][ T5735]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  214.676046][ T5735]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.676048][ T5735]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.676050][ T5735]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  214.676052][ T5735]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.676053][ T5735] RIP: 0033:0x7ff84d85054e
[  214.676055][ T5735] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  214.676057][ T5735] RSP: 002b:00007ffe6b70ab00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  214.676061][ T5735] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff84d85054e
[  214.676062][ T5735] RDX: 0000000000000000 RSI: 00007ffe6b70abb0 RDI: 0000000000000005
[  214.676063][ T5735] RBP: 00007ffe6b70ab10 R08: 0000000000000000 R09: 0000000000000000
[  214.676064][ T5735] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbe0
[  214.676065][ T5735] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6b70b270
| [  215.816081][ T5809] softirqs last disabled at (0): 0x0
| [  215.816083][ T5809] Preemption disabled at:
| [  215.816084][ T5809] vprintk_emit (kernel/printk/printk.c:2471)
| [  215.816094][ T5809] Tainted: [W]=WARN
[  215.816095][ T5809] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  215.816097][ T5809] Call Trace:
[  215.816099][ T5809]  <TASK>
[  215.816100][ T5809]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  215.816106][ T5809]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  215.816107][ T5809]  __might_resched.cold (kernel/sched/core.c:9234)
[  215.816111][ T5809]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  215.816113][ T5809]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  215.816116][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816119][ T5809]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  215.816122][ T5809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.816125][ T5809]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.816130][ T5809]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  215.816132][ T5809]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  215.816135][ T5809]  put_chars (drivers/char/virtio_console.c:1176)
[  215.816136][ T5809]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  215.816138][ T5809]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  215.816141][ T5809]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  215.816145][ T5809]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  215.816147][ T5809]  ? vsnprintf (lib/vsprintf.c:2900)
[  215.816150][ T5809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.816152][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816153][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816155][ T5809]  console_emit_next_record (kernel/printk/printk.c:3183)
[  215.816158][ T5809]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  215.816160][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816161][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816162][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816163][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816166][ T5809]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  215.816167][ T5809]  console_flush_one_record (kernel/printk/printk.c:3268)
[  215.816170][ T5809]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  215.816173][ T5809]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  215.816175][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816177][ T5809]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  215.816178][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816179][ T5809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.816181][ T5809]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  215.816182][ T5809]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  215.816184][ T5809]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  215.816186][ T5809]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  215.816188][ T5809]  vprintk_emit (kernel/printk/printk.c:2479)
[  215.816190][ T5809]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  215.816191][ T5809]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  215.816193][ T5809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  215.816196][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816197][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816199][ T5809]  _printk (kernel/printk/printk.c:2504)
[  215.816202][ T5809]  ? snapshot_read.cold (user.c:?)
[  215.816204][ T5809]  ? br_multicast_flood (??:?)
[  215.816208][ T5809]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  215.816210][ T5809]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  215.816211][ T5809]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  215.816213][ T5809]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  215.816216][ T5809]  br_init_port (net/bridge/br_stp_if.c:39)
[  215.816222][ T5809]  new_nbp (net/bridge/br_if.c:449)
[  215.816224][ T5809]  br_add_if (net/bridge/br_if.c:592)
[  215.816226][ T5809]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  215.816230][ T5809]  do_set_master (net/core/rtnetlink.c:3071)
[  215.816232][ T5809]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  215.816234][ T5809]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  215.816235][ T5809]  ? __dev_get_by_name (net/core/dev.c:905)
[  215.816237][ T5809]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  215.816241][ T5809]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  215.816243][ T5809]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  215.816246][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816247][ T5809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  215.816248][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816250][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816251][ T5809]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  215.816254][ T5809]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  215.816256][ T5809]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  215.816259][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816260][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816261][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816263][ T5809]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  215.816264][ T5809]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  215.816266][ T5809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  215.816267][ T5809]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  215.816269][ T5809]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  215.816273][ T5809]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  215.816276][ T5809]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  215.816277][ T5809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.816279][ T5809]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  215.816280][ T5809]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  215.816284][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816285][ T5809]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  215.816287][ T5809]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  215.816289][ T5809]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  215.816291][ T5809]  ? next_uptodate_folio (mm/filemap.c:3747)
[  215.816297][ T5809]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  215.816299][ T5809]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  215.816301][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816303][ T5809]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  215.816307][ T5809]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  215.816310][ T5809]  ____sys_sendmsg (net/socket.c:2713)
[  215.816311][ T5809]  ? copy_msghdr_from_user (net/socket.c:2650)
[  215.816313][ T5809]  ? sock_write_iter (net/socket.c:1269)
[  215.816315][ T5809]  ? move_addr_to_kernel (net/socket.c:258)
[  215.816317][ T5809]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  215.816319][ T5809]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  215.816321][ T5809]  ___sys_sendmsg (net/socket.c:2767)
[  215.816323][ T5809]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  215.816325][ T5809]  ? copy_msghdr_from_user (net/socket.c:2619)
[  215.816327][ T5809]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  215.816331][ T5809]  __sys_sendmsg (net/socket.c:2799)
[  215.816334][ T5809]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  215.816336][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816337][ T5809]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  215.816339][ T5809]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  215.816341][ T5809]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  215.816343][ T5809]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  215.816345][ T5809] RIP: 0033:0x7f1a3706b54e
[  215.816347][ T5809] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  215.816349][ T5809] RSP: 002b:00007ffc39d82ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  215.816353][ T5809] RAX: ffffffffffffffda RBX: 00007ffc39d836a8 RCX: 00007f1a3706b54e
[  215.816355][ T5809] RDX: 0000000000000000 RSI: 00007ffc39d82f90 RDI: 0000000000000005
[  215.816356][ T5809] RBP: 00007ffc39d82ef0 R08: 0000000000000000 R09: 0000000000000000
[  215.816357][ T5809] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbe1
[  215.816358][ T5809] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc39d83660
| [  216.989566][ T5869] softirqs last disabled at (0): 0x0
| [  216.989568][ T5869] Preemption disabled at:
| [  216.989569][ T5869] vprintk_emit (kernel/printk/printk.c:2471)
| [  216.989579][ T5869] Tainted: [W]=WARN
[  216.989580][ T5869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  216.989582][ T5869] Call Trace:
[  216.989584][ T5869]  <TASK>
[  216.989585][ T5869]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  216.989591][ T5869]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  216.989592][ T5869]  __might_resched.cold (kernel/sched/core.c:9234)
[  216.989596][ T5869]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  216.989598][ T5869]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  216.989601][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989604][ T5869]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  216.989607][ T5869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  216.989610][ T5869]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.989615][ T5869]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  216.989617][ T5869]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  216.989620][ T5869]  put_chars (drivers/char/virtio_console.c:1176)
[  216.989621][ T5869]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  216.989623][ T5869]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  216.989626][ T5869]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  216.989630][ T5869]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  216.989632][ T5869]  ? vsnprintf (lib/vsprintf.c:2900)
[  216.989635][ T5869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  216.989637][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989638][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989640][ T5869]  console_emit_next_record (kernel/printk/printk.c:3183)
[  216.989643][ T5869]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  216.989645][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989647][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989648][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989649][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989651][ T5869]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  216.989653][ T5869]  console_flush_one_record (kernel/printk/printk.c:3268)
[  216.989656][ T5869]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  216.989658][ T5869]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  216.989660][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989662][ T5869]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  216.989664][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989665][ T5869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.989667][ T5869]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  216.989668][ T5869]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  216.989670][ T5869]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  216.989672][ T5869]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  216.989673][ T5869]  vprintk_emit (kernel/printk/printk.c:2479)
[  216.989675][ T5869]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  216.989676][ T5869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  216.989678][ T5869]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  216.989681][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989686][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989688][ T5869]  _printk (kernel/printk/printk.c:2504)
[  216.989691][ T5869]  ? snapshot_read.cold (user.c:?)
[  216.989693][ T5869]  ? br_multicast_flood (??:?)
[  216.989697][ T5869]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  216.989699][ T5869]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  216.989701][ T5869]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  216.989702][ T5869]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  216.989705][ T5869]  br_init_port (net/bridge/br_stp_if.c:39)
[  216.989707][ T5869]  new_nbp (net/bridge/br_if.c:449)
[  216.989710][ T5869]  br_add_if (net/bridge/br_if.c:592)
[  216.989712][ T5869]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  216.989716][ T5869]  do_set_master (net/core/rtnetlink.c:3071)
[  216.989718][ T5869]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  216.989720][ T5869]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  216.989721][ T5869]  ? __dev_get_by_name (net/core/dev.c:905)
[  216.989723][ T5869]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  216.989727][ T5869]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  216.989729][ T5869]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  216.989731][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989733][ T5869]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  216.989734][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989736][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989737][ T5869]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  216.989740][ T5869]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  216.989742][ T5869]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  216.989744][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989745][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989747][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989748][ T5869]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  216.989749][ T5869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  216.989751][ T5869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  216.989753][ T5869]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  216.989754][ T5869]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  216.989758][ T5869]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  216.989761][ T5869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  216.989762][ T5869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.989764][ T5869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  216.989766][ T5869]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  216.989769][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989770][ T5869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  216.989772][ T5869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  216.989775][ T5869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  216.989777][ T5869]  ? next_uptodate_folio (mm/filemap.c:3747)
[  216.989780][ T5869]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  216.989782][ T5869]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  216.989784][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989786][ T5869]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  216.989789][ T5869]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  216.989792][ T5869]  ____sys_sendmsg (net/socket.c:2713)
[  216.989794][ T5869]  ? copy_msghdr_from_user (net/socket.c:2650)
[  216.989796][ T5869]  ? sock_write_iter (net/socket.c:1269)
[  216.989797][ T5869]  ? move_addr_to_kernel (net/socket.c:258)
[  216.989800][ T5869]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  216.989802][ T5869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  216.989804][ T5869]  ___sys_sendmsg (net/socket.c:2767)
[  216.989806][ T5869]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  216.989808][ T5869]  ? copy_msghdr_from_user (net/socket.c:2619)
[  216.989809][ T5869]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  216.989814][ T5869]  __sys_sendmsg (net/socket.c:2799)
[  216.989816][ T5869]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  216.989819][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989820][ T5869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  216.989821][ T5869]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  216.989824][ T5869]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  216.989826][ T5869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  216.989828][ T5869] RIP: 0033:0x7fb5051a854e
[  216.989830][ T5869] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  216.989832][ T5869] RSP: 002b:00007fff5bdadbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  216.989835][ T5869] RAX: ffffffffffffffda RBX: 00007fff5bdae378 RCX: 00007fb5051a854e
[  216.989837][ T5869] RDX: 0000000000000000 RSI: 00007fff5bdadc60 RDI: 0000000000000005
[  216.989838][ T5869] RBP: 00007fff5bdadbc0 R08: 0000000000000000 R09: 0000000000000000
[  216.989839][ T5869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fbe2
[  216.989840][ T5869] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5bdae330
| [  309.473628][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  309.473630][   T68] Preemption disabled at:
| [  309.473631][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  309.473642][   T68] Tainted: [W]=WARN
[  309.473644][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  309.473646][   T68] Workqueue: netns cleanup_net
[  309.473652][   T68] Call Trace:
[  309.473654][   T68]  <TASK>
[  309.473655][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  309.473661][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  309.473663][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  309.473666][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  309.473668][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  309.473671][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473674][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  309.473677][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  309.473680][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  309.473689][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  309.473692][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  309.473695][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  309.473697][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  309.473700][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  309.473703][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  309.473708][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  309.473710][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  309.473713][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  309.473715][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473717][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473719][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  309.473722][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  309.473725][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473726][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473727][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473729][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.473732][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  309.473734][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  309.473737][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  309.473740][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  309.473742][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.473744][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  309.473746][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473747][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  309.473749][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  309.473751][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  309.473753][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  309.473755][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  309.473756][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  309.473758][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  309.473759][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  309.473761][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  309.473764][   T68]  ? kthread (kernel/kthread.c:436)
[  309.473766][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  309.473769][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  309.473772][   T68]  _printk (kernel/printk/printk.c:2504)
[  309.473775][   T68]  ? snapshot_read.cold (user.c:?)
[  309.473777][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  309.473780][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  309.473783][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  309.473785][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  309.473787][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473788][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  309.473790][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  309.473793][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  309.473794][   T68]  ? 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)
[  309.473796][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  309.473798][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  309.473801][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  309.473805][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  309.473807][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  309.473809][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  309.473812][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  309.473813][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  309.473816][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  309.473818][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  309.473820][   T68]  ? update_load_avg (kernel/sched/fair.c:5864)
[  309.473823][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  309.473824][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  309.473826][   T68]  process_one_work (kernel/workqueue.c:3387)
[  309.473829][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  309.473832][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  309.473834][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  309.473837][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  309.473838][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  309.473841][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  309.473843][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  309.473844][   T68]  kthread (kernel/kthread.c:436)
[  309.473846][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  309.473848][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  309.473850][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  309.473852][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  309.473854][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  309.473857][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  309.473859][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  311.753087][ T6541] softirqs last disabled at (0): 0x0
| [  311.753089][ T6541] Preemption disabled at:
| [  311.753089][ T6541] vprintk_emit (kernel/printk/printk.c:2471)
| [  311.753100][ T6541] Tainted: [W]=WARN
[  311.753101][ T6541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  311.753103][ T6541] Call Trace:
[  311.753104][ T6541]  <TASK>
[  311.753105][ T6541]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  311.753111][ T6541]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  311.753112][ T6541]  __might_resched.cold (kernel/sched/core.c:9234)
[  311.753116][ T6541]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  311.753120][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753123][ T6541]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  311.753126][ T6541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  311.753129][ T6541]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  311.753134][ T6541]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  311.753136][ T6541]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  311.753139][ T6541]  put_chars (drivers/char/virtio_console.c:1176)
[  311.753140][ T6541]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  311.753141][ T6541]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  311.753144][ T6541]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  311.753146][ T6541]  ? pointer (lib/vsprintf.c:2577)
[  311.753150][ T6541]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  311.753154][ T6541]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  311.753156][ T6541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  311.753159][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753161][ T6541]  console_emit_next_record (kernel/printk/printk.c:3183)
[  311.753164][ T6541]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  311.753166][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753167][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753169][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753170][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753172][ T6541]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  311.753173][ T6541]  console_flush_one_record (kernel/printk/printk.c:3268)
[  311.753176][ T6541]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  311.753179][ T6541]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  311.753181][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753182][ T6541]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  311.753184][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753185][ T6541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  311.753187][ T6541]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  311.753189][ T6541]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  311.753190][ T6541]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  311.753192][ T6541]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  311.753194][ T6541]  vprintk_emit (kernel/printk/printk.c:2479)
[  311.753196][ T6541]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  311.753197][ T6541]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  311.753199][ T6541]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  311.753202][ T6541]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  311.753205][ T6541]  _printk (kernel/printk/printk.c:2504)
[  311.753208][ T6541]  ? snapshot_read.cold (user.c:?)
[  311.753210][ T6541]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  311.753212][ T6541]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  311.753215][ T6541]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  311.753217][ T6541]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  311.753221][ T6541]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  311.753223][ T6541]  ? netdev_notice (net/core/dev.c:13194)
[  311.753225][ T6541]  ? 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)
[  311.753227][ T6541]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  311.753230][ T6541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  311.753231][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753232][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753234][ T6541]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  311.753235][ T6541]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  311.753237][ T6541]  ? 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)
[  311.753238][ T6541]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  311.753240][ T6541]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  311.753241][ T6541]  ? register_netdev (net/core/dev.c:11618)
[  311.753243][ T6541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  311.753245][ T6541]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  311.753248][ T6541]  ? __kernel_text_address (kernel/extable.c:79)
[  311.753250][ T6541]  ? write_profile (profile.c:?)
[  311.753253][ T6541]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  311.753257][ T6541]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  311.753259][ T6541]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  311.753261][ T6541]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  311.753262][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753263][ T6541]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  311.753266][ T6541]  ? kasan_save_stack (mm/kasan/common.c:58)
[  311.753268][ T6541]  ? kasan_save_stack (mm/kasan/common.c:57)
[  311.753270][ T6541]  ? kasan_save_track (mm/kasan/common.c:78)
[  311.753271][ T6541]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  311.753272][ T6541]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  311.753273][ T6541]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  311.753274][ T6541]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  311.753276][ T6541]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  311.753279][ T6541]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  311.753280][ T6541]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  311.753282][ T6541]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  311.753285][ T6541]  ? ____sys_sendmsg (net/socket.c:2713)
[  311.753286][ T6541]  ? ___sys_sendmsg (net/socket.c:2767)
[  311.753287][ T6541]  ? __sys_sendmsg (net/socket.c:2799)
[  311.753289][ T6541]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  311.753292][ T6541]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  311.753294][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753295][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753297][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753298][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753299][ T6541]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  311.753301][ T6541]  ? __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)
[  311.753302][ T6541]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  311.753303][ T6541]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  311.753305][ T6541]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  311.753306][ T6541]  ? nla_get_range_signed (lib/nlattr.c:270)
[  311.753309][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753310][ T6541]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  311.753312][ T6541]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  311.753315][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753316][ T6541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  311.753317][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753319][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753320][ T6541]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  311.753323][ T6541]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  311.753324][ T6541]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  311.753325][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753327][ T6541]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  311.753330][ T6541]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  311.753333][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753334][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753335][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753337][ T6541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  311.753338][ T6541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  311.753340][ T6541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  311.753341][ T6541]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  311.753343][ T6541]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  311.753345][ T6541]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  311.753347][ T6541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  311.753349][ T6541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  311.753350][ T6541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  311.753352][ T6541]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  311.753355][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753356][ T6541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  311.753358][ T6541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  311.753360][ T6541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  311.753362][ T6541]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  311.753364][ T6541]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  311.753367][ T6541]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  311.753368][ T6541]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  311.753370][ T6541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  311.753371][ T6541]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  311.753375][ T6541]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  311.753377][ T6541]  ____sys_sendmsg (net/socket.c:2713)
[  311.753378][ T6541]  ? copy_msghdr_from_user (net/socket.c:2650)
[  311.753380][ T6541]  ? sock_write_iter (net/socket.c:1269)
[  311.753382][ T6541]  ? move_addr_to_kernel (net/socket.c:258)
[  311.753383][ T6541]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  311.753386][ T6541]  ___sys_sendmsg (net/socket.c:2767)
[  311.753388][ T6541]  ? copy_msghdr_from_user (net/socket.c:2619)
[  311.753393][ T6541]  __sys_sendmsg (net/socket.c:2799)
[  311.753395][ T6541]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  311.753398][ T6541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  311.753399][ T6541]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  311.753401][ T6541]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  311.753403][ T6541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  311.753405][ T6541] RIP: 0033:0x7fc9a846e54e
[  311.753407][ T6541] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  311.753409][ T6541] RSP: 002b:00007ffd266794f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  311.753412][ T6541] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc9a846e54e
[  311.753414][ T6541] RDX: 0000000000000000 RSI: 00007ffd266795a0 RDI: 0000000000000005
[  311.753415][ T6541] RBP: 00007ffd26679500 R08: 0000000000000000 R09: 0000000000000000
[  311.753416][ T6541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc41
[  311.753417][ T6541] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd26679c60
| [  312.945584][ T6615] softirqs last disabled at (0): 0x0
| [  312.945586][ T6615] Preemption disabled at:
| [  312.945587][ T6615] vprintk_emit (kernel/printk/printk.c:2471)
| [  312.945598][ T6615] Tainted: [W]=WARN
[  312.945599][ T6615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  312.945600][ T6615] Call Trace:
[  312.945602][ T6615]  <TASK>
[  312.945603][ T6615]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  312.945609][ T6615]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  312.945611][ T6615]  __might_resched.cold (kernel/sched/core.c:9234)
[  312.945615][ T6615]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  312.945617][ T6615]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  312.945620][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945623][ T6615]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  312.945626][ T6615]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  312.945630][ T6615]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  312.945635][ T6615]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  312.945637][ T6615]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  312.945639][ T6615]  put_chars (drivers/char/virtio_console.c:1176)
[  312.945641][ T6615]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  312.945643][ T6615]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  312.945646][ T6615]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  312.945650][ T6615]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  312.945652][ T6615]  ? vsnprintf (lib/vsprintf.c:2900)
[  312.945655][ T6615]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  312.945657][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945658][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945660][ T6615]  console_emit_next_record (kernel/printk/printk.c:3183)
[  312.945663][ T6615]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  312.945665][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945666][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945667][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945668][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945670][ T6615]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  312.945672][ T6615]  console_flush_one_record (kernel/printk/printk.c:3268)
[  312.945675][ T6615]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  312.945678][ T6615]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  312.945680][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945681][ T6615]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  312.945686][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945687][ T6615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  312.945689][ T6615]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  312.945691][ T6615]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  312.945692][ T6615]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  312.945695][ T6615]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  312.945696][ T6615]  vprintk_emit (kernel/printk/printk.c:2479)
[  312.945698][ T6615]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  312.945699][ T6615]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  312.945701][ T6615]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  312.945704][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945705][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945707][ T6615]  _printk (kernel/printk/printk.c:2504)
[  312.945710][ T6615]  ? snapshot_read.cold (user.c:?)
[  312.945712][ T6615]  ? br_multicast_flood (??:?)
[  312.945716][ T6615]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  312.945718][ T6615]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  312.945719][ T6615]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  312.945721][ T6615]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  312.945724][ T6615]  br_init_port (net/bridge/br_stp_if.c:39)
[  312.945726][ T6615]  new_nbp (net/bridge/br_if.c:449)
[  312.945728][ T6615]  br_add_if (net/bridge/br_if.c:592)
[  312.945730][ T6615]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  312.945734][ T6615]  do_set_master (net/core/rtnetlink.c:3071)
[  312.945736][ T6615]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  312.945738][ T6615]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  312.945739][ T6615]  ? __dev_get_by_name (net/core/dev.c:905)
[  312.945741][ T6615]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  312.945745][ T6615]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  312.945748][ T6615]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  312.945750][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945751][ T6615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  312.945752][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945754][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945755][ T6615]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  312.945758][ T6615]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  312.945760][ T6615]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  312.945762][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945764][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945765][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945766][ T6615]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  312.945768][ T6615]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  312.945770][ T6615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  312.945771][ T6615]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  312.945772][ T6615]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  312.945776][ T6615]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  312.945779][ T6615]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  312.945781][ T6615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  312.945782][ T6615]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  312.945784][ T6615]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  312.945787][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945788][ T6615]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  312.945790][ T6615]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  312.945792][ T6615]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  312.945795][ T6615]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  312.945797][ T6615]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  312.945800][ T6615]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  312.945802][ T6615]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  312.945804][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945806][ T6615]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  312.945809][ T6615]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  312.945812][ T6615]  ____sys_sendmsg (net/socket.c:2713)
[  312.945814][ T6615]  ? copy_msghdr_from_user (net/socket.c:2650)
[  312.945816][ T6615]  ? sock_write_iter (net/socket.c:1269)
[  312.945817][ T6615]  ? move_addr_to_kernel (net/socket.c:258)
[  312.945820][ T6615]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  312.945822][ T6615]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  312.945824][ T6615]  ___sys_sendmsg (net/socket.c:2767)
[  312.945826][ T6615]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  312.945828][ T6615]  ? copy_msghdr_from_user (net/socket.c:2619)
[  312.945830][ T6615]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  312.945834][ T6615]  __sys_sendmsg (net/socket.c:2799)
[  312.945836][ T6615]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  312.945839][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945840][ T6615]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  312.945842][ T6615]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  312.945844][ T6615]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  312.945847][ T6615]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  312.945849][ T6615] RIP: 0033:0x7f54d94bf54e
[  312.945851][ T6615] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  312.945853][ T6615] RSP: 002b:00007ffd8ee553c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  312.945857][ T6615] RAX: ffffffffffffffda RBX: 00007ffd8ee55b88 RCX: 00007f54d94bf54e
[  312.945858][ T6615] RDX: 0000000000000000 RSI: 00007ffd8ee55470 RDI: 0000000000000005
[  312.945859][ T6615] RBP: 00007ffd8ee553d0 R08: 0000000000000000 R09: 0000000000000000
[  312.945860][ T6615] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc42
[  312.945861][ T6615] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8ee55b40
| [  314.132659][ T6674] softirqs last disabled at (0): 0x0
| [  314.132661][ T6674] Preemption disabled at:
| [  314.132662][ T6674] vprintk_emit (kernel/printk/printk.c:2471)
| [  314.132672][ T6674] Tainted: [W]=WARN
[  314.132673][ T6674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  314.132675][ T6674] Call Trace:
[  314.132676][ T6674]  <TASK>
[  314.132678][ T6674]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  314.132685][ T6674]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  314.132687][ T6674]  __might_resched.cold (kernel/sched/core.c:9234)
[  314.132691][ T6674]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  314.132694][ T6674]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  314.132697][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132699][ T6674]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  314.132702][ T6674]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  314.132706][ T6674]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.132711][ T6674]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  314.132713][ T6674]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  314.132715][ T6674]  put_chars (drivers/char/virtio_console.c:1176)
[  314.132717][ T6674]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  314.132719][ T6674]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  314.132722][ T6674]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  314.132727][ T6674]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  314.132728][ T6674]  ? vsnprintf (lib/vsprintf.c:2900)
[  314.132732][ T6674]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  314.132733][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132734][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132736][ T6674]  console_emit_next_record (kernel/printk/printk.c:3183)
[  314.132739][ T6674]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  314.132741][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132742][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132743][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132745][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132747][ T6674]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  314.132749][ T6674]  console_flush_one_record (kernel/printk/printk.c:3268)
[  314.132751][ T6674]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  314.132754][ T6674]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  314.132756][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132758][ T6674]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  314.132760][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132761][ T6674]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  314.132762][ T6674]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  314.132764][ T6674]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  314.132765][ T6674]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  314.132767][ T6674]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  314.132769][ T6674]  vprintk_emit (kernel/printk/printk.c:2479)
[  314.132771][ T6674]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  314.132772][ T6674]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  314.132773][ T6674]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  314.132776][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132778][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132780][ T6674]  _printk (kernel/printk/printk.c:2504)
[  314.132782][ T6674]  ? snapshot_read.cold (user.c:?)
[  314.132785][ T6674]  ? br_multicast_flood (??:?)
[  314.132788][ T6674]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  314.132791][ T6674]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  314.132792][ T6674]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  314.132794][ T6674]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  314.132797][ T6674]  br_init_port (net/bridge/br_stp_if.c:39)
[  314.132799][ T6674]  new_nbp (net/bridge/br_if.c:449)
[  314.132801][ T6674]  br_add_if (net/bridge/br_if.c:592)
[  314.132803][ T6674]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  314.132807][ T6674]  do_set_master (net/core/rtnetlink.c:3071)
[  314.132809][ T6674]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  314.132811][ T6674]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  314.132812][ T6674]  ? __dev_get_by_name (net/core/dev.c:905)
[  314.132814][ T6674]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  314.132818][ T6674]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  314.132821][ T6674]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  314.132823][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132824][ T6674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  314.132825][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132827][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132828][ T6674]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  314.132831][ T6674]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  314.132833][ T6674]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  314.132835][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132836][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132838][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132839][ T6674]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  314.132840][ T6674]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  314.132842][ T6674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  314.132844][ T6674]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  314.132845][ T6674]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  314.132849][ T6674]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  314.132852][ T6674]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  314.132853][ T6674]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  314.132855][ T6674]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  314.132857][ T6674]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  314.132860][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132861][ T6674]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  314.132863][ T6674]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  314.132865][ T6674]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  314.132867][ T6674]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  314.132870][ T6674]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  314.132873][ T6674]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  314.132875][ T6674]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  314.132877][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132879][ T6674]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  314.132882][ T6674]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  314.132885][ T6674]  ____sys_sendmsg (net/socket.c:2713)
[  314.132887][ T6674]  ? copy_msghdr_from_user (net/socket.c:2650)
[  314.132889][ T6674]  ? sock_write_iter (net/socket.c:1269)
[  314.132890][ T6674]  ? move_addr_to_kernel (net/socket.c:258)
[  314.132892][ T6674]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  314.132895][ T6674]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  314.132897][ T6674]  ___sys_sendmsg (net/socket.c:2767)
[  314.132899][ T6674]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  314.132900][ T6674]  ? copy_msghdr_from_user (net/socket.c:2619)
[  314.132902][ T6674]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  314.132907][ T6674]  __sys_sendmsg (net/socket.c:2799)
[  314.132909][ T6674]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  314.132912][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132913][ T6674]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  314.132915][ T6674]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  314.132917][ T6674]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  314.132919][ T6674]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  314.132921][ T6674] RIP: 0033:0x7f851eeb554e
[  314.132923][ T6674] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  314.132925][ T6674] RSP: 002b:00007ffd68f004c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  314.132929][ T6674] RAX: ffffffffffffffda RBX: 00007ffd68f00c88 RCX: 00007f851eeb554e
[  314.132931][ T6674] RDX: 0000000000000000 RSI: 00007ffd68f00570 RDI: 0000000000000005
[  314.132932][ T6674] RBP: 00007ffd68f004d0 R08: 0000000000000000 R09: 0000000000000000
[  314.132933][ T6674] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc43
[  314.132934][ T6674] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd68f00c40
| [  328.096151][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  328.096153][   T68] Preemption disabled at:
| [  328.096154][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  328.096165][   T68] Tainted: [W]=WARN
[  328.096166][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  328.096168][   T68] Workqueue: netns cleanup_net
[  328.096174][   T68] Call Trace:
[  328.096176][   T68]  <TASK>
[  328.096178][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  328.096184][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  328.096185][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  328.096189][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  328.096192][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  328.096195][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096198][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  328.096201][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  328.096204][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  328.096209][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  328.096211][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  328.096213][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  328.096215][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  328.096217][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  328.096220][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  328.096225][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  328.096227][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  328.096229][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  328.096231][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096232][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096234][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  328.096237][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  328.096239][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096240][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096241][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096242][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  328.096245][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  328.096247][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  328.096249][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  328.096252][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  328.096254][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  328.096256][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  328.096258][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096259][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  328.096261][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  328.096262][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  328.096264][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  328.096266][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  328.096267][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  328.096269][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  328.096270][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  328.096272][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  328.096275][   T68]  ? kthread (kernel/kthread.c:436)
[  328.096278][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  328.096281][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  328.096283][   T68]  _printk (kernel/printk/printk.c:2504)
[  328.096287][   T68]  ? snapshot_read.cold (user.c:?)
[  328.096289][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  328.096292][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  328.096294][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  328.096297][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  328.096299][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096300][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  328.096302][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  328.096305][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  328.096306][   T68]  ? 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)
[  328.096308][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  328.096310][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  328.096313][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  328.096317][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  328.096319][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  328.096322][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  328.096324][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  328.096326][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  328.096329][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  328.096331][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  328.096333][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  328.096335][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  328.096337][   T68]  process_one_work (kernel/workqueue.c:3387)
[  328.096340][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  328.096343][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  328.096345][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  328.096348][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  328.096350][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  328.096352][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  328.096354][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  328.096356][   T68]  kthread (kernel/kthread.c:436)
[  328.096357][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  328.096359][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  328.096361][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  328.096363][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  328.096365][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  328.096368][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  328.096370][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  329.926189][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  329.926191][   T68] Preemption disabled at:
| [  329.926192][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  329.926203][   T68] Tainted: [W]=WARN
[  329.926204][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  329.926206][   T68] Workqueue: netns cleanup_net
[  329.926212][   T68] Call Trace:
[  329.926213][   T68]  <TASK>
[  329.926215][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  329.926221][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  329.926222][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  329.926226][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  329.926228][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  329.926231][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926234][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  329.926237][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  329.926240][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  329.926245][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  329.926247][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  329.926250][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  329.926251][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  329.926253][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  329.926256][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  329.926260][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  329.926262][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  329.926265][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  329.926266][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926267][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926269][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  329.926272][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  329.926274][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926275][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926276][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926277][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  329.926280][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  329.926282][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  329.926284][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  329.926287][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  329.926288][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  329.926290][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  329.926292][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926293][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  329.926294][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  329.926296][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  329.926297][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  329.926300][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  329.926301][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  329.926303][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  329.926304][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  329.926305][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  329.926308][   T68]  ? kthread (kernel/kthread.c:436)
[  329.926311][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  329.926314][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  329.926316][   T68]  _printk (kernel/printk/printk.c:2504)
[  329.926319][   T68]  ? snapshot_read.cold (user.c:?)
[  329.926321][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  329.926325][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  329.926327][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  329.926329][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  329.926331][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926333][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  329.926334][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  329.926337][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  329.926339][   T68]  ? 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)
[  329.926340][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  329.926342][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  329.926345][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  329.926348][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  329.926350][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  329.926353][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  329.926355][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  329.926357][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  329.926360][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  329.926362][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  329.926363][   T68]  ? update_load_avg (kernel/sched/fair.c:5864)
[  329.926366][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  329.926368][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  329.926369][   T68]  process_one_work (kernel/workqueue.c:3387)
[  329.926372][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  329.926375][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  329.926377][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  329.926380][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  329.926382][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  329.926383][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  329.926386][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  329.926387][   T68]  kthread (kernel/kthread.c:436)
[  329.926389][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  329.926391][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  329.926393][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  329.926394][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  329.926397][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  329.926400][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  329.926402][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  331.466191][ T7116] softirqs last disabled at (0): 0x0
| [  331.466193][ T7116] Preemption disabled at:
| [  331.466194][ T7116] vprintk_emit (kernel/printk/printk.c:2471)
| [  331.466204][ T7116] Tainted: [W]=WARN
[  331.466205][ T7116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  331.466206][ T7116] Call Trace:
[  331.466208][ T7116]  <TASK>
[  331.466209][ T7116]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  331.466215][ T7116]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  331.466216][ T7116]  __might_resched.cold (kernel/sched/core.c:9234)
[  331.466220][ T7116]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  331.466223][ T7116]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  331.466228][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466231][ T7116]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  331.466234][ T7116]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  331.466238][ T7116]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  331.466244][ T7116]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  331.466247][ T7116]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  331.466250][ T7116]  put_chars (drivers/char/virtio_console.c:1176)
[  331.466253][ T7116]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  331.466256][ T7116]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  331.466259][ T7116]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  331.466265][ T7116]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  331.466268][ T7116]  ? vsnprintf (lib/vsprintf.c:2900)
[  331.466272][ T7116]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  331.466274][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466276][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466278][ T7116]  console_emit_next_record (kernel/printk/printk.c:3183)
[  331.466281][ T7116]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  331.466283][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466284][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466285][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466286][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466289][ T7116]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  331.466291][ T7116]  console_flush_one_record (kernel/printk/printk.c:3268)
[  331.466293][ T7116]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  331.466296][ T7116]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  331.466298][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466299][ T7116]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  331.466301][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466302][ T7116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  331.466304][ T7116]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  331.466305][ T7116]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  331.466307][ T7116]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  331.466309][ T7116]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  331.466310][ T7116]  vprintk_emit (kernel/printk/printk.c:2479)
[  331.466312][ T7116]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  331.466313][ T7116]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  331.466315][ T7116]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  331.466318][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466319][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466321][ T7116]  _printk (kernel/printk/printk.c:2504)
[  331.466324][ T7116]  ? snapshot_read.cold (user.c:?)
[  331.466326][ T7116]  ? br_multicast_flood (??:?)
[  331.466329][ T7116]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  331.466332][ T7116]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  331.466333][ T7116]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  331.466335][ T7116]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  331.466338][ T7116]  br_init_port (net/bridge/br_stp_if.c:39)
[  331.466340][ T7116]  new_nbp (net/bridge/br_if.c:449)
[  331.466342][ T7116]  br_add_if (net/bridge/br_if.c:592)
[  331.466344][ T7116]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  331.466349][ T7116]  do_set_master (net/core/rtnetlink.c:3071)
[  331.466350][ T7116]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  331.466352][ T7116]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  331.466354][ T7116]  ? __dev_get_by_name (net/core/dev.c:905)
[  331.466355][ T7116]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  331.466359][ T7116]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  331.466362][ T7116]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  331.466364][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466366][ T7116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  331.466367][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466368][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466370][ T7116]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  331.466373][ T7116]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  331.466375][ T7116]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  331.466377][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466378][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466380][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466381][ T7116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  331.466382][ T7116]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  331.466384][ T7116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  331.466385][ T7116]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  331.466387][ T7116]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  331.466391][ T7116]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  331.466394][ T7116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  331.466395][ T7116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  331.466397][ T7116]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  331.466399][ T7116]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  331.466402][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466403][ T7116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  331.466405][ T7116]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  331.466407][ T7116]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  331.466409][ T7116]  ? next_uptodate_folio (mm/filemap.c:3747)
[  331.466412][ T7116]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  331.466414][ T7116]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  331.466416][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466418][ T7116]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  331.466421][ T7116]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  331.466424][ T7116]  ____sys_sendmsg (net/socket.c:2713)
[  331.466426][ T7116]  ? copy_msghdr_from_user (net/socket.c:2650)
[  331.466428][ T7116]  ? sock_write_iter (net/socket.c:1269)
[  331.466429][ T7116]  ? move_addr_to_kernel (net/socket.c:258)
[  331.466432][ T7116]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  331.466434][ T7116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  331.466436][ T7116]  ___sys_sendmsg (net/socket.c:2767)
[  331.466438][ T7116]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  331.466439][ T7116]  ? copy_msghdr_from_user (net/socket.c:2619)
[  331.466441][ T7116]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  331.466446][ T7116]  __sys_sendmsg (net/socket.c:2799)
[  331.466448][ T7116]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  331.466451][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466452][ T7116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  331.466453][ T7116]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  331.466456][ T7116]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  331.466458][ T7116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  331.466460][ T7116] RIP: 0033:0x7fe6a371d54e
[  331.466462][ T7116] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  331.466464][ T7116] RSP: 002b:00007ffed908dfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  331.466467][ T7116] RAX: ffffffffffffffda RBX: 00007ffed908e7a8 RCX: 00007fe6a371d54e
[  331.466469][ T7116] RDX: 0000000000000000 RSI: 00007ffed908e090 RDI: 0000000000000005
[  331.466470][ T7116] RBP: 00007ffed908dff0 R08: 0000000000000000 R09: 0000000000000000
[  331.466471][ T7116] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc54
[  331.466472][ T7116] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed908e760
| [  332.653288][ T7182] softirqs last disabled at (0): 0x0
| [  332.653290][ T7182] Preemption disabled at:
| [  332.653291][ T7182] vprintk_emit (kernel/printk/printk.c:2471)
| [  332.653301][ T7182] Tainted: [W]=WARN
[  332.653302][ T7182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  332.653304][ T7182] Call Trace:
[  332.653305][ T7182]  <TASK>
[  332.653306][ T7182]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  332.653312][ T7182]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  332.653314][ T7182]  __might_resched.cold (kernel/sched/core.c:9234)
[  332.653317][ T7182]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  332.653319][ T7182]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  332.653323][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653326][ T7182]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  332.653328][ T7182]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  332.653331][ T7182]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  332.653336][ T7182]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  332.653338][ T7182]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  332.653341][ T7182]  put_chars (drivers/char/virtio_console.c:1176)
[  332.653343][ T7182]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  332.653344][ T7182]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  332.653347][ T7182]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  332.653351][ T7182]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  332.653353][ T7182]  ? vsnprintf (lib/vsprintf.c:2900)
[  332.653356][ T7182]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  332.653358][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653359][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653361][ T7182]  console_emit_next_record (kernel/printk/printk.c:3183)
[  332.653364][ T7182]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  332.653366][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653367][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653368][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653369][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653371][ T7182]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  332.653373][ T7182]  console_flush_one_record (kernel/printk/printk.c:3268)
[  332.653376][ T7182]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  332.653378][ T7182]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  332.653380][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653382][ T7182]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  332.653384][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653385][ T7182]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.653386][ T7182]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  332.653388][ T7182]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  332.653389][ T7182]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  332.653391][ T7182]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  332.653393][ T7182]  vprintk_emit (kernel/printk/printk.c:2479)
[  332.653395][ T7182]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  332.653396][ T7182]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  332.653397][ T7182]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  332.653400][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653402][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653403][ T7182]  _printk (kernel/printk/printk.c:2504)
[  332.653406][ T7182]  ? snapshot_read.cold (user.c:?)
[  332.653408][ T7182]  ? br_multicast_flood (??:?)
[  332.653411][ T7182]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  332.653414][ T7182]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  332.653415][ T7182]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  332.653417][ T7182]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  332.653420][ T7182]  br_init_port (net/bridge/br_stp_if.c:39)
[  332.653422][ T7182]  new_nbp (net/bridge/br_if.c:449)
[  332.653424][ T7182]  br_add_if (net/bridge/br_if.c:592)
[  332.653425][ T7182]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  332.653430][ T7182]  do_set_master (net/core/rtnetlink.c:3071)
[  332.653432][ T7182]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  332.653433][ T7182]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  332.653435][ T7182]  ? __dev_get_by_name (net/core/dev.c:905)
[  332.653437][ T7182]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  332.653441][ T7182]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  332.653443][ T7182]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  332.653445][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653447][ T7182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  332.653448][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653449][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653451][ T7182]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  332.653453][ T7182]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  332.653455][ T7182]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  332.653458][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653459][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653460][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653461][ T7182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  332.653463][ T7182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  332.653465][ T7182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  332.653466][ T7182]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  332.653467][ T7182]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  332.653471][ T7182]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  332.653474][ T7182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  332.653475][ T7182]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.653477][ T7182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  332.653478][ T7182]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  332.653482][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653483][ T7182]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.653485][ T7182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  332.653487][ T7182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  332.653489][ T7182]  ? next_uptodate_folio (mm/filemap.c:3747)
[  332.653492][ T7182]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  332.653494][ T7182]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  332.653496][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653498][ T7182]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  332.653501][ T7182]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  332.653505][ T7182]  ____sys_sendmsg (net/socket.c:2713)
[  332.653506][ T7182]  ? copy_msghdr_from_user (net/socket.c:2650)
[  332.653508][ T7182]  ? sock_write_iter (net/socket.c:1269)
[  332.653510][ T7182]  ? move_addr_to_kernel (net/socket.c:258)
[  332.653512][ T7182]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  332.653514][ T7182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.653516][ T7182]  ___sys_sendmsg (net/socket.c:2767)
[  332.653518][ T7182]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  332.653520][ T7182]  ? copy_msghdr_from_user (net/socket.c:2619)
[  332.653522][ T7182]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  332.653526][ T7182]  __sys_sendmsg (net/socket.c:2799)
[  332.653528][ T7182]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  332.653531][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653532][ T7182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.653534][ T7182]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  332.653536][ T7182]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  332.653538][ T7182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  332.653540][ T7182] RIP: 0033:0x7f403719054e
[  332.653542][ T7182] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  332.653544][ T7182] RSP: 002b:00007ffe850e25c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  332.653548][ T7182] RAX: ffffffffffffffda RBX: 00007ffe850e2d88 RCX: 00007f403719054e
[  332.653549][ T7182] RDX: 0000000000000000 RSI: 00007ffe850e2670 RDI: 0000000000000005
[  332.653550][ T7182] RBP: 00007ffe850e25d0 R08: 0000000000000000 R09: 0000000000000000
[  332.653551][ T7182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fc56
[  332.653552][ T7182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe850e2d40
| [  433.053453][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  433.053456][   T68] Preemption disabled at:
| [  433.053457][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  433.053468][   T68] Tainted: [W]=WARN
[  433.053469][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  433.053471][   T68] Workqueue: netns cleanup_net
[  433.053477][   T68] Call Trace:
[  433.053479][   T68]  <TASK>
[  433.053480][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  433.053486][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  433.053488][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  433.053491][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  433.053493][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  433.053497][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053499][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  433.053502][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.053505][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.053510][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  433.053512][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  433.053514][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  433.053516][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  433.053518][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  433.053521][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  433.053526][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  433.053527][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  433.053530][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.053532][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053533][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053535][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  433.053538][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  433.053540][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053541][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053542][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053543][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.053546][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  433.053547][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  433.053550][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  433.053553][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  433.053555][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.053556][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  433.053558][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053559][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  433.053561][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  433.053562][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  433.053564][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  433.053566][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  433.053567][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  433.053569][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  433.053570][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  433.053572][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  433.053575][   T68]  ? kthread (kernel/kthread.c:436)
[  433.053577][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  433.053580][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  433.053582][   T68]  _printk (kernel/printk/printk.c:2504)
[  433.053585][   T68]  ? snapshot_read.cold (user.c:?)
[  433.053587][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  433.053591][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  433.053593][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  433.053595][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  433.053597][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053599][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  433.053600][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  433.053603][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  433.053605][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  433.053606][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  433.053609][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  433.053612][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  433.053615][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  433.053618][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  433.053620][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  433.053622][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  433.053624][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  433.053627][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  433.053629][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  433.053631][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  433.053633][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  433.053635][   T68]  process_one_work (kernel/workqueue.c:3387)
[  433.053638][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  433.053640][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  433.053643][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  433.053645][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  433.053647][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  433.053649][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  433.053651][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  433.053653][   T68]  kthread (kernel/kthread.c:436)
[  433.053655][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  433.053656][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  433.053658][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  433.053660][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  433.053662][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  433.053665][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  433.053667][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  434.989645][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  434.989647][   T68] Preemption disabled at:
| [  434.989648][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  434.989659][   T68] Tainted: [W]=WARN
[  434.989660][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  434.989662][   T68] Workqueue: netns cleanup_net
[  434.989667][   T68] Call Trace:
[  434.989669][   T68]  <TASK>
[  434.989670][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  434.989676][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  434.989677][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  434.989681][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  434.989687][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  434.989691][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989694][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  434.989697][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  434.989701][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  434.989706][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  434.989708][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  434.989712][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  434.989714][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  434.989716][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  434.989719][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  434.989724][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  434.989727][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  434.989729][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  434.989731][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989733][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989735][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  434.989738][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  434.989740][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989742][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989743][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989744][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  434.989747][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  434.989749][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  434.989752][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  434.989755][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  434.989757][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  434.989759][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  434.989761][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989762][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  434.989764][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  434.989766][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  434.989768][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  434.989770][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  434.989772][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  434.989774][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  434.989775][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  434.989777][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  434.989780][   T68]  ? kthread (kernel/kthread.c:436)
[  434.989782][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  434.989785][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  434.989788][   T68]  _printk (kernel/printk/printk.c:2504)
[  434.989791][   T68]  ? snapshot_read.cold (user.c:?)
[  434.989794][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  434.989797][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  434.989799][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  434.989802][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  434.989804][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989806][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  434.989807][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  434.989810][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  434.989811][   T68]  ? 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)
[  434.989813][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  434.989815][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  434.989818][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  434.989822][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  434.989824][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  434.989826][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  434.989829][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  434.989831][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  434.989834][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  434.989836][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  434.989838][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  434.989840][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  434.989841][   T68]  process_one_work (kernel/workqueue.c:3387)
[  434.989845][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  434.989847][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  434.989850][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  434.989852][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  434.989854][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  434.989856][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  434.989858][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  434.989860][   T68]  kthread (kernel/kthread.c:436)
[  434.989862][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  434.989864][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  434.989866][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  434.989867][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  434.989870][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  434.989873][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  434.989875][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  436.633631][ T7934] softirqs last disabled at (0): 0x0
| [  436.633633][ T7934] Preemption disabled at:
| [  436.633634][ T7934] vprintk_emit (kernel/printk/printk.c:2471)
| [  436.633645][ T7934] Tainted: [W]=WARN
[  436.633646][ T7934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  436.633647][ T7934] Call Trace:
[  436.633649][ T7934]  <TASK>
[  436.633650][ T7934]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  436.633656][ T7934]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  436.633657][ T7934]  __might_resched.cold (kernel/sched/core.c:9234)
[  436.633661][ T7934]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  436.633663][ T7934]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  436.633667][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633670][ T7934]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  436.633673][ T7934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.633676][ T7934]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.633682][ T7934]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  436.633687][ T7934]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  436.633690][ T7934]  put_chars (drivers/char/virtio_console.c:1176)
[  436.633692][ T7934]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  436.633694][ T7934]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  436.633696][ T7934]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  436.633701][ T7934]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  436.633703][ T7934]  ? vsnprintf (lib/vsprintf.c:2900)
[  436.633706][ T7934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.633708][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633709][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633711][ T7934]  console_emit_next_record (kernel/printk/printk.c:3183)
[  436.633714][ T7934]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  436.633716][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633717][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633718][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633719][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633721][ T7934]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  436.633723][ T7934]  console_flush_one_record (kernel/printk/printk.c:3268)
[  436.633726][ T7934]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  436.633728][ T7934]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  436.633730][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633732][ T7934]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  436.633734][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633735][ T7934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.633736][ T7934]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  436.633738][ T7934]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  436.633739][ T7934]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  436.633742][ T7934]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  436.633743][ T7934]  vprintk_emit (kernel/printk/printk.c:2479)
[  436.633745][ T7934]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  436.633746][ T7934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  436.633748][ T7934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  436.633751][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633753][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633754][ T7934]  _printk (kernel/printk/printk.c:2504)
[  436.633757][ T7934]  ? snapshot_read.cold (user.c:?)
[  436.633759][ T7934]  ? br_multicast_flood (??:?)
[  436.633763][ T7934]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  436.633766][ T7934]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  436.633767][ T7934]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  436.633769][ T7934]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  436.633772][ T7934]  br_init_port (net/bridge/br_stp_if.c:39)
[  436.633774][ T7934]  new_nbp (net/bridge/br_if.c:449)
[  436.633776][ T7934]  br_add_if (net/bridge/br_if.c:592)
[  436.633778][ T7934]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  436.633782][ T7934]  do_set_master (net/core/rtnetlink.c:3071)
[  436.633784][ T7934]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  436.633786][ T7934]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  436.633787][ T7934]  ? __dev_get_by_name (net/core/dev.c:905)
[  436.633789][ T7934]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  436.633793][ T7934]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  436.633795][ T7934]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  436.633797][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633799][ T7934]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  436.633800][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633801][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633803][ T7934]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  436.633806][ T7934]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  436.633807][ T7934]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  436.633810][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633811][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633813][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633814][ T7934]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  436.633816][ T7934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  436.633817][ T7934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  436.633819][ T7934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  436.633820][ T7934]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  436.633824][ T7934]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  436.633827][ T7934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  436.633828][ T7934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.633830][ T7934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  436.633831][ T7934]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  436.633834][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633836][ T7934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  436.633838][ T7934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  436.633840][ T7934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  436.633842][ T7934]  ? next_uptodate_folio (mm/filemap.c:3747)
[  436.633845][ T7934]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  436.633847][ T7934]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  436.633849][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633851][ T7934]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  436.633854][ T7934]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  436.633857][ T7934]  ____sys_sendmsg (net/socket.c:2713)
[  436.633859][ T7934]  ? copy_msghdr_from_user (net/socket.c:2650)
[  436.633861][ T7934]  ? sock_write_iter (net/socket.c:1269)
[  436.633862][ T7934]  ? move_addr_to_kernel (net/socket.c:258)
[  436.633864][ T7934]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  436.633867][ T7934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  436.633869][ T7934]  ___sys_sendmsg (net/socket.c:2767)
[  436.633871][ T7934]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  436.633872][ T7934]  ? copy_msghdr_from_user (net/socket.c:2619)
[  436.633874][ T7934]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  436.633879][ T7934]  __sys_sendmsg (net/socket.c:2799)
[  436.633881][ T7934]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  436.633884][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633885][ T7934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  436.633886][ T7934]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  436.633889][ T7934]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  436.633891][ T7934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  436.633893][ T7934] RIP: 0033:0x7f0d6872b54e
[  436.633895][ T7934] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  436.633897][ T7934] RSP: 002b:00007ffd6958af60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  436.633901][ T7934] RAX: ffffffffffffffda RBX: 00007ffd6958b728 RCX: 00007f0d6872b54e
[  436.633902][ T7934] RDX: 0000000000000000 RSI: 00007ffd6958b010 RDI: 0000000000000005
[  436.633903][ T7934] RBP: 00007ffd6958af70 R08: 0000000000000000 R09: 0000000000000000
[  436.633904][ T7934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcbe
[  436.633905][ T7934] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6958b6e0
| [  437.962608][ T7995] softirqs last disabled at (0): 0x0
| [  437.962610][ T7995] Preemption disabled at:
| [  437.962611][ T7995] vprintk_emit (kernel/printk/printk.c:2471)
| [  437.962621][ T7995] Tainted: [W]=WARN
[  437.962622][ T7995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  437.962624][ T7995] Call Trace:
[  437.962626][ T7995]  <TASK>
[  437.962627][ T7995]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  437.962633][ T7995]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  437.962635][ T7995]  __might_resched.cold (kernel/sched/core.c:9234)
[  437.962639][ T7995]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  437.962641][ T7995]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  437.962644][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962647][ T7995]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  437.962650][ T7995]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.962653][ T7995]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.962658][ T7995]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  437.962660][ T7995]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  437.962663][ T7995]  put_chars (drivers/char/virtio_console.c:1176)
[  437.962665][ T7995]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  437.962667][ T7995]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  437.962670][ T7995]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  437.962675][ T7995]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  437.962676][ T7995]  ? vsnprintf (lib/vsprintf.c:2900)
[  437.962680][ T7995]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.962682][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962685][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962688][ T7995]  console_emit_next_record (kernel/printk/printk.c:3183)
[  437.962691][ T7995]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  437.962693][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962694][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962695][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962696][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962699][ T7995]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  437.962701][ T7995]  console_flush_one_record (kernel/printk/printk.c:3268)
[  437.962703][ T7995]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  437.962706][ T7995]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  437.962708][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962710][ T7995]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  437.962712][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962713][ T7995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.962714][ T7995]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  437.962716][ T7995]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  437.962718][ T7995]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  437.962720][ T7995]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  437.962721][ T7995]  vprintk_emit (kernel/printk/printk.c:2479)
[  437.962723][ T7995]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  437.962724][ T7995]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  437.962726][ T7995]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  437.962729][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962730][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962732][ T7995]  _printk (kernel/printk/printk.c:2504)
[  437.962735][ T7995]  ? snapshot_read.cold (user.c:?)
[  437.962737][ T7995]  ? br_multicast_flood (??:?)
[  437.962741][ T7995]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  437.962744][ T7995]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  437.962745][ T7995]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.962747][ T7995]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  437.962750][ T7995]  br_init_port (net/bridge/br_stp_if.c:39)
[  437.962752][ T7995]  new_nbp (net/bridge/br_if.c:449)
[  437.962754][ T7995]  br_add_if (net/bridge/br_if.c:592)
[  437.962756][ T7995]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  437.962760][ T7995]  do_set_master (net/core/rtnetlink.c:3071)
[  437.962762][ T7995]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  437.962764][ T7995]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  437.962765][ T7995]  ? __dev_get_by_name (net/core/dev.c:905)
[  437.962767][ T7995]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  437.962771][ T7995]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  437.962774][ T7995]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  437.962776][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962777][ T7995]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.962778][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962780][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962781][ T7995]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  437.962784][ T7995]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  437.962786][ T7995]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  437.962789][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962790][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962792][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962793][ T7995]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  437.962794][ T7995]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  437.962796][ T7995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.962798][ T7995]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  437.962799][ T7995]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  437.962803][ T7995]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  437.962806][ T7995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  437.962808][ T7995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.962809][ T7995]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  437.962811][ T7995]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  437.962814][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962816][ T7995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  437.962818][ T7995]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  437.962820][ T7995]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  437.962822][ T7995]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  437.962825][ T7995]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  437.962828][ T7995]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  437.962830][ T7995]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  437.962832][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962834][ T7995]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  437.962838][ T7995]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  437.962841][ T7995]  ____sys_sendmsg (net/socket.c:2713)
[  437.962842][ T7995]  ? copy_msghdr_from_user (net/socket.c:2650)
[  437.962844][ T7995]  ? sock_write_iter (net/socket.c:1269)
[  437.962846][ T7995]  ? move_addr_to_kernel (net/socket.c:258)
[  437.962848][ T7995]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  437.962851][ T7995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  437.962853][ T7995]  ___sys_sendmsg (net/socket.c:2767)
[  437.962855][ T7995]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  437.962856][ T7995]  ? copy_msghdr_from_user (net/socket.c:2619)
[  437.962858][ T7995]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  437.962863][ T7995]  __sys_sendmsg (net/socket.c:2799)
[  437.962865][ T7995]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  437.962868][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962869][ T7995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  437.962870][ T7995]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  437.962873][ T7995]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  437.962875][ T7995]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  437.962878][ T7995] RIP: 0033:0x7f652354754e
[  437.962880][ T7995] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  437.962882][ T7995] RSP: 002b:00007ffc311ea9a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  437.962885][ T7995] RAX: ffffffffffffffda RBX: 00007ffc311eb168 RCX: 00007f652354754e
[  437.962887][ T7995] RDX: 0000000000000000 RSI: 00007ffc311eaa50 RDI: 0000000000000005
[  437.962888][ T7995] RBP: 00007ffc311ea9b0 R08: 0000000000000000 R09: 0000000000000000
[  437.962889][ T7995] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcbf
[  437.962890][ T7995] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc311eb120
| [  446.000277][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  446.000280][   T68] Preemption disabled at:
| [  446.000281][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  446.000292][   T68] Tainted: [W]=WARN
[  446.000293][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  446.000295][   T68] Workqueue: netns cleanup_net
[  446.000301][   T68] Call Trace:
[  446.000303][   T68]  <TASK>
[  446.000304][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  446.000310][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  446.000312][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  446.000315][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  446.000318][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  446.000321][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000324][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  446.000327][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  446.000330][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.000335][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  446.000337][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  446.000340][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  446.000341][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  446.000343][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  446.000346][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  446.000351][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  446.000353][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  446.000355][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  446.000357][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000358][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000360][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  446.000363][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  446.000365][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000366][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000367][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000369][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.000371][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  446.000373][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  446.000375][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  446.000378][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  446.000380][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.000382][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  446.000384][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000385][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  446.000386][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  446.000388][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  446.000390][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  446.000391][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  446.000393][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  446.000395][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  446.000396][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  446.000398][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  446.000400][   T68]  ? kthread (kernel/kthread.c:436)
[  446.000402][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  446.000405][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  446.000408][   T68]  _printk (kernel/printk/printk.c:2504)
[  446.000411][   T68]  ? snapshot_read.cold (user.c:?)
[  446.000413][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  446.000416][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  446.000419][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  446.000421][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  446.000423][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000424][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  446.000426][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  446.000429][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  446.000431][   T68]  ? 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)
[  446.000432][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  446.000435][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  446.000437][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  446.000441][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  446.000443][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  446.000446][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  446.000448][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  446.000450][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  446.000453][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  446.000455][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  446.000457][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  446.000459][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  446.000460][   T68]  process_one_work (kernel/workqueue.c:3387)
[  446.000463][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  446.000466][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  446.000469][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  446.000471][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  446.000473][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  446.000475][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  446.000477][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  446.000479][   T68]  kthread (kernel/kthread.c:436)
[  446.000480][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  446.000482][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  446.000484][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  446.000486][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  446.000488][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  446.000491][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  446.000493][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  447.300373][ T8293] softirqs last disabled at (0): 0x0
| [  447.300375][ T8293] Preemption disabled at:
| [  447.300376][ T8293] vprintk_emit (kernel/printk/printk.c:2471)
| [  447.300386][ T8293] Tainted: [W]=WARN
[  447.300387][ T8293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  447.300389][ T8293] Call Trace:
[  447.300390][ T8293]  <TASK>
[  447.300392][ T8293]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  447.300398][ T8293]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  447.300399][ T8293]  __might_resched.cold (kernel/sched/core.c:9234)
[  447.300403][ T8293]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  447.300405][ T8293]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  447.300409][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300412][ T8293]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  447.300415][ T8293]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.300418][ T8293]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.300423][ T8293]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  447.300425][ T8293]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  447.300428][ T8293]  put_chars (drivers/char/virtio_console.c:1176)
[  447.300430][ T8293]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  447.300432][ T8293]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  447.300435][ T8293]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  447.300439][ T8293]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  447.300441][ T8293]  ? vsnprintf (lib/vsprintf.c:2900)
[  447.300445][ T8293]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.300447][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300448][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300450][ T8293]  console_emit_next_record (kernel/printk/printk.c:3183)
[  447.300453][ T8293]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  447.300455][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300456][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300457][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300458][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300461][ T8293]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  447.300463][ T8293]  console_flush_one_record (kernel/printk/printk.c:3268)
[  447.300465][ T8293]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  447.300468][ T8293]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  447.300470][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300472][ T8293]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  447.300474][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300475][ T8293]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.300476][ T8293]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  447.300478][ T8293]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  447.300479][ T8293]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  447.300481][ T8293]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  447.300483][ T8293]  vprintk_emit (kernel/printk/printk.c:2479)
[  447.300485][ T8293]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  447.300486][ T8293]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  447.300488][ T8293]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  447.300491][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300492][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300494][ T8293]  _printk (kernel/printk/printk.c:2504)
[  447.300497][ T8293]  ? snapshot_read.cold (user.c:?)
[  447.300499][ T8293]  ? br_multicast_flood (??:?)
[  447.300502][ T8293]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  447.300505][ T8293]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  447.300506][ T8293]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  447.300508][ T8293]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  447.300511][ T8293]  br_init_port (net/bridge/br_stp_if.c:39)
[  447.300513][ T8293]  new_nbp (net/bridge/br_if.c:449)
[  447.300515][ T8293]  br_add_if (net/bridge/br_if.c:592)
[  447.300517][ T8293]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  447.300522][ T8293]  do_set_master (net/core/rtnetlink.c:3071)
[  447.300523][ T8293]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  447.300525][ T8293]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  447.300527][ T8293]  ? __dev_get_by_name (net/core/dev.c:905)
[  447.300529][ T8293]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  447.300533][ T8293]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  447.300535][ T8293]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  447.300537][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300539][ T8293]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  447.300540][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300542][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300543][ T8293]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  447.300546][ T8293]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  447.300548][ T8293]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  447.300550][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300551][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300553][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300554][ T8293]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  447.300556][ T8293]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  447.300558][ T8293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  447.300559][ T8293]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  447.300561][ T8293]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  447.300565][ T8293]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  447.300568][ T8293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  447.300570][ T8293]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.300571][ T8293]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  447.300573][ T8293]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  447.300576][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300577][ T8293]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  447.300579][ T8293]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  447.300582][ T8293]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  447.300584][ T8293]  ? next_uptodate_folio (mm/filemap.c:3747)
[  447.300587][ T8293]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  447.300589][ T8293]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  447.300591][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300593][ T8293]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  447.300597][ T8293]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  447.300600][ T8293]  ____sys_sendmsg (net/socket.c:2713)
[  447.300602][ T8293]  ? copy_msghdr_from_user (net/socket.c:2650)
[  447.300603][ T8293]  ? sock_write_iter (net/socket.c:1269)
[  447.300605][ T8293]  ? move_addr_to_kernel (net/socket.c:258)
[  447.300607][ T8293]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  447.300610][ T8293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  447.300612][ T8293]  ___sys_sendmsg (net/socket.c:2767)
[  447.300614][ T8293]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  447.300615][ T8293]  ? copy_msghdr_from_user (net/socket.c:2619)
[  447.300617][ T8293]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  447.300622][ T8293]  __sys_sendmsg (net/socket.c:2799)
[  447.300624][ T8293]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  447.300627][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300628][ T8293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  447.300630][ T8293]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  447.300632][ T8293]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  447.300634][ T8293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  447.300636][ T8293] RIP: 0033:0x7f4b0093554e
[  447.300639][ T8293] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  447.300641][ T8293] RSP: 002b:00007fffb1c9dad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  447.300644][ T8293] RAX: ffffffffffffffda RBX: 00007fffb1c9e298 RCX: 00007f4b0093554e
[  447.300646][ T8293] RDX: 0000000000000000 RSI: 00007fffb1c9db80 RDI: 0000000000000005
[  447.300647][ T8293] RBP: 00007fffb1c9dae0 R08: 0000000000000000 R09: 0000000000000000
[  447.300648][ T8293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcc8
[  447.300649][ T8293] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb1c9e250
| [  448.814144][ T8362] softirqs last disabled at (0): 0x0
| [  448.814146][ T8362] Preemption disabled at:
| [  448.814147][ T8362] vprintk_emit (kernel/printk/printk.c:2471)
| [  448.814157][ T8362] Tainted: [W]=WARN
[  448.814158][ T8362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  448.814160][ T8362] Call Trace:
[  448.814162][ T8362]  <TASK>
[  448.814164][ T8362]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  448.814169][ T8362]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  448.814171][ T8362]  __might_resched.cold (kernel/sched/core.c:9234)
[  448.814175][ T8362]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  448.814178][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814181][ T8362]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  448.814184][ T8362]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.814187][ T8362]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.814193][ T8362]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  448.814195][ T8362]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  448.814198][ T8362]  put_chars (drivers/char/virtio_console.c:1176)
[  448.814200][ T8362]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  448.814201][ T8362]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  448.814204][ T8362]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  448.814206][ T8362]  ? pointer (lib/vsprintf.c:2577)
[  448.814210][ T8362]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  448.814215][ T8362]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  448.814217][ T8362]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.814219][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814221][ T8362]  console_emit_next_record (kernel/printk/printk.c:3183)
[  448.814224][ T8362]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  448.814227][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814228][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814229][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814230][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814232][ T8362]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  448.814234][ T8362]  console_flush_one_record (kernel/printk/printk.c:3268)
[  448.814237][ T8362]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  448.814240][ T8362]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  448.814242][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814244][ T8362]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  448.814246][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814247][ T8362]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.814249][ T8362]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  448.814250][ T8362]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  448.814252][ T8362]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  448.814254][ T8362]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  448.814256][ T8362]  vprintk_emit (kernel/printk/printk.c:2479)
[  448.814257][ T8362]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  448.814259][ T8362]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  448.814261][ T8362]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  448.814265][ T8362]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  448.814268][ T8362]  _printk (kernel/printk/printk.c:2504)
[  448.814271][ T8362]  ? snapshot_read.cold (user.c:?)
[  448.814273][ T8362]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  448.814275][ T8362]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  448.814279][ T8362]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  448.814281][ T8362]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.814284][ T8362]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  448.814286][ T8362]  ? netdev_notice (net/core/dev.c:13194)
[  448.814289][ T8362]  ? 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)
[  448.814290][ T8362]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  448.814293][ T8362]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  448.814295][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814296][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814297][ T8362]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  448.814299][ T8362]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  448.814301][ T8362]  ? 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)
[  448.814302][ T8362]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.814304][ T8362]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  448.814306][ T8362]  ? register_netdev (net/core/dev.c:11618)
[  448.814307][ T8362]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.814309][ T8362]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  448.814312][ T8362]  ? __kernel_text_address (kernel/extable.c:79)
[  448.814315][ T8362]  ? write_profile (profile.c:?)
[  448.814318][ T8362]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  448.814322][ T8362]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  448.814324][ T8362]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  448.814325][ T8362]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  448.814327][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814328][ T8362]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  448.814332][ T8362]  ? kasan_save_stack (mm/kasan/common.c:58)
[  448.814334][ T8362]  ? kasan_save_stack (mm/kasan/common.c:57)
[  448.814335][ T8362]  ? kasan_save_track (mm/kasan/common.c:78)
[  448.814336][ T8362]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  448.814337][ T8362]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  448.814339][ T8362]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  448.814340][ T8362]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  448.814341][ T8362]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.814344][ T8362]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.814346][ T8362]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.814348][ T8362]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.814351][ T8362]  ? ____sys_sendmsg (net/socket.c:2713)
[  448.814352][ T8362]  ? ___sys_sendmsg (net/socket.c:2767)
[  448.814354][ T8362]  ? __sys_sendmsg (net/socket.c:2799)
[  448.814356][ T8362]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.814358][ T8362]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.814361][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814362][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814364][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814365][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814366][ T8362]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  448.814368][ T8362]  ? __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)
[  448.814369][ T8362]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  448.814370][ T8362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  448.814372][ T8362]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  448.814373][ T8362]  ? nla_get_range_signed (lib/nlattr.c:270)
[  448.814376][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814378][ T8362]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  448.814380][ T8362]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  448.814382][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814383][ T8362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.814385][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814386][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814388][ T8362]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  448.814390][ T8362]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  448.814392][ T8362]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  448.814393][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814395][ T8362]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  448.814398][ T8362]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  448.814401][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814402][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814403][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814405][ T8362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  448.814406][ T8362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  448.814408][ T8362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.814410][ T8362]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  448.814411][ T8362]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  448.814414][ T8362]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  448.814416][ T8362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  448.814417][ T8362]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.814419][ T8362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  448.814421][ T8362]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  448.814424][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814425][ T8362]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  448.814427][ T8362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  448.814430][ T8362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  448.814432][ T8362]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.814434][ T8362]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  448.814436][ T8362]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  448.814438][ T8362]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  448.814439][ T8362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  448.814441][ T8362]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  448.814445][ T8362]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  448.814447][ T8362]  ____sys_sendmsg (net/socket.c:2713)
[  448.814448][ T8362]  ? copy_msghdr_from_user (net/socket.c:2650)
[  448.814450][ T8362]  ? sock_write_iter (net/socket.c:1269)
[  448.814452][ T8362]  ? move_addr_to_kernel (net/socket.c:258)
[  448.814453][ T8362]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  448.814456][ T8362]  ___sys_sendmsg (net/socket.c:2767)
[  448.814458][ T8362]  ? copy_msghdr_from_user (net/socket.c:2619)
[  448.814463][ T8362]  __sys_sendmsg (net/socket.c:2799)
[  448.814466][ T8362]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  448.814469][ T8362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  448.814470][ T8362]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  448.814472][ T8362]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  448.814474][ T8362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  448.814476][ T8362] RIP: 0033:0x7f087956a54e
[  448.814478][ T8362] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  448.814480][ T8362] RSP: 002b:00007ffc44e3ee70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  448.814484][ T8362] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f087956a54e
[  448.814485][ T8362] RDX: 0000000000000000 RSI: 00007ffc44e3ef20 RDI: 0000000000000005
[  448.814487][ T8362] RBP: 00007ffc44e3ee80 R08: 0000000000000000 R09: 0000000000000000
[  448.814487][ T8362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcca
[  448.814488][ T8362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc44e3f5e0
| [  450.236539][ T8412] softirqs last disabled at (0): 0x0
| [  450.236542][ T8412] Preemption disabled at:
| [  450.236544][ T8412] vprintk_emit (kernel/printk/printk.c:2471)
| [  450.236557][ T8412] Tainted: [W]=WARN
[  450.236558][ T8412] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  450.236561][ T8412] Call Trace:
[  450.236563][ T8412]  <TASK>
[  450.236565][ T8412]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  450.236571][ T8412]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  450.236574][ T8412]  __might_resched.cold (kernel/sched/core.c:9234)
[  450.236578][ T8412]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  450.236582][ T8412]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  450.236586][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236590][ T8412]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  450.236594][ T8412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.236598][ T8412]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.236604][ T8412]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  450.236607][ T8412]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  450.236611][ T8412]  put_chars (drivers/char/virtio_console.c:1176)
[  450.236614][ T8412]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  450.236617][ T8412]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  450.236621][ T8412]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  450.236628][ T8412]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  450.236630][ T8412]  ? vsnprintf (lib/vsprintf.c:2900)
[  450.236635][ T8412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.236637][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236640][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236643][ T8412]  console_emit_next_record (kernel/printk/printk.c:3183)
[  450.236647][ T8412]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  450.236650][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236652][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236654][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236656][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236660][ T8412]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  450.236663][ T8412]  console_flush_one_record (kernel/printk/printk.c:3268)
[  450.236667][ T8412]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  450.236671][ T8412]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  450.236674][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236676][ T8412]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  450.236679][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236681][ T8412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.236687][ T8412]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  450.236690][ T8412]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  450.236692][ T8412]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  450.236695][ T8412]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  450.236698][ T8412]  vprintk_emit (kernel/printk/printk.c:2479)
[  450.236701][ T8412]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  450.236703][ T8412]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  450.236706][ T8412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  450.236710][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236713][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236716][ T8412]  _printk (kernel/printk/printk.c:2504)
[  450.236720][ T8412]  ? snapshot_read.cold (user.c:?)
[  450.236723][ T8412]  ? br_multicast_flood (??:?)
[  450.236728][ T8412]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  450.236731][ T8412]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  450.236733][ T8412]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  450.236737][ T8412]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  450.236741][ T8412]  br_init_port (net/bridge/br_stp_if.c:39)
[  450.236744][ T8412]  new_nbp (net/bridge/br_if.c:449)
[  450.236748][ T8412]  br_add_if (net/bridge/br_if.c:592)
[  450.236750][ T8412]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  450.236756][ T8412]  do_set_master (net/core/rtnetlink.c:3071)
[  450.236759][ T8412]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  450.236763][ T8412]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  450.236765][ T8412]  ? __dev_get_by_name (net/core/dev.c:905)
[  450.236768][ T8412]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  450.236774][ T8412]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  450.236779][ T8412]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  450.236783][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236785][ T8412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.236787][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236790][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236793][ T8412]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  450.236796][ T8412]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  450.236799][ T8412]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  450.236803][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236805][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236808][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236810][ T8412]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  450.236812][ T8412]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  450.236815][ T8412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.236818][ T8412]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  450.236820][ T8412]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  450.236826][ T8412]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  450.236830][ T8412]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  450.236832][ T8412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.236835][ T8412]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  450.236837][ T8412]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  450.236842][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236844][ T8412]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  450.236848][ T8412]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  450.236851][ T8412]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  450.236854][ T8412]  ? next_uptodate_folio (mm/filemap.c:3747)
[  450.236859][ T8412]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  450.236862][ T8412]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  450.236866][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236868][ T8412]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  450.236873][ T8412]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  450.236877][ T8412]  ____sys_sendmsg (net/socket.c:2713)
[  450.236880][ T8412]  ? copy_msghdr_from_user (net/socket.c:2650)
[  450.236883][ T8412]  ? sock_write_iter (net/socket.c:1269)
[  450.236885][ T8412]  ? move_addr_to_kernel (net/socket.c:258)
[  450.236889][ T8412]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  450.236892][ T8412]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  450.236896][ T8412]  ___sys_sendmsg (net/socket.c:2767)
[  450.236898][ T8412]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  450.236901][ T8412]  ? copy_msghdr_from_user (net/socket.c:2619)
[  450.236904][ T8412]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  450.236912][ T8412]  __sys_sendmsg (net/socket.c:2799)
[  450.236915][ T8412]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  450.236920][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236922][ T8412]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  450.236925][ T8412]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  450.236928][ T8412]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  450.236931][ T8412]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  450.236935][ T8412] RIP: 0033:0x7f73adb2954e
[  450.236938][ T8412] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  450.236941][ T8412] RSP: 002b:00007ffd8c263130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  450.236946][ T8412] RAX: ffffffffffffffda RBX: 00007ffd8c2638f8 RCX: 00007f73adb2954e
[  450.236948][ T8412] RDX: 0000000000000000 RSI: 00007ffd8c2631e0 RDI: 0000000000000005
[  450.236950][ T8412] RBP: 00007ffd8c263140 R08: 0000000000000000 R09: 0000000000000000
[  450.236951][ T8412] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fccb
[  450.236953][ T8412] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8c2638b0
| [  455.915877][ T8445] softirqs last disabled at (0): 0x0
| [  455.915879][ T8445] Preemption disabled at:
| [  455.915880][ T8445] vprintk_emit (kernel/printk/printk.c:2471)
| [  455.915891][ T8445] Tainted: [W]=WARN
[  455.915892][ T8445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  455.915893][ T8445] Call Trace:
[  455.915895][ T8445]  <TASK>
[  455.915896][ T8445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  455.915902][ T8445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  455.915903][ T8445]  __might_resched.cold (kernel/sched/core.c:9234)
[  455.915907][ T8445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  455.915911][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915914][ T8445]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  455.915916][ T8445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  455.915920][ T8445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.915925][ T8445]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  455.915927][ T8445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.915929][ T8445]  put_chars (drivers/char/virtio_console.c:1176)
[  455.915931][ T8445]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  455.915933][ T8445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  455.915935][ T8445]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  455.915938][ T8445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  455.915942][ T8445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  455.915944][ T8445]  ? 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)
[  455.915946][ T8445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  455.915948][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915949][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915950][ T8445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.915952][ T8445]  console_emit_next_record (kernel/printk/printk.c:3183)
[  455.915955][ T8445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  455.915957][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915958][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915959][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915960][ T8445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.915962][ T8445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  455.915964][ T8445]  console_flush_one_record (kernel/printk/printk.c:3268)
[  455.915966][ T8445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  455.915969][ T8445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  455.915971][ T8445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.915973][ T8445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  455.915975][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.915976][ T8445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  455.915977][ T8445]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  455.915979][ T8445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  455.915980][ T8445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  455.915982][ T8445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  455.915984][ T8445]  vprintk_emit (kernel/printk/printk.c:2479)
[  455.915986][ T8445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  455.915988][ T8445]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  455.915991][ T8445]  _printk (kernel/printk/printk.c:2504)
[  455.915994][ T8445]  ? snapshot_read.cold (user.c:?)
[  455.915997][ T8445]  ? 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)
[  455.916000][ T8445] gact_init_module (net/sched/act_gact.c:180) act_gact
[  455.916002][ T8445]  do_one_initcall (init/main.c:1357)
[  455.916004][ T8445]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  455.916006][ T8445]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  455.916009][ T8445]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  455.916013][ T8445]  do_init_module (kernel/module/main.c:3117)
[  455.916015][ T8445]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  455.916016][ T8445]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  455.916018][ T8445]  load_module (kernel/module/main.c:3593)
[  455.916020][ T8445]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  455.916024][ T8445]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  455.916026][ T8445]  ? __ia32_sys_fsconfig (??:?)
[  455.916030][ T8445]  ? backing_file_read_iter (fs/backing-file.c:211)
[  455.916033][ T8445]  init_module_from_file (kernel/module/main.c:3790)
[  455.916035][ T8445]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  455.916036][ T8445]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  455.916040][ T8445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  455.916042][ T8445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.916043][ T8445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  455.916044][ T8445]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  455.916046][ T8445]  idempotent_init_module (kernel/module/main.c:3802)
[  455.916048][ T8445]  ? init_module_from_file (kernel/module/main.c:3791)
[  455.916050][ T8445]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  455.916052][ T8445]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  455.916055][ T8445]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  455.916056][ T8445]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  455.916060][ T8445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  455.916064][ T8445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  455.916066][ T8445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  455.916068][ T8445] RIP: 0033:0x7f5080f9137d
[  455.916070][ T8445] 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
[  455.916072][ T8445] RSP: 002b:00007ffd5adc8d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  455.916075][ T8445] RAX: ffffffffffffffda RBX: 0000559f171ef810 RCX: 00007f5080f9137d
[  455.916076][ T8445] RDX: 0000000000000000 RSI: 0000559f0c058ffd RDI: 0000000000000000
[  455.916077][ T8445] RBP: 00007ffd5adc8df0 R08: 0000000000000000 R09: 0000000000000000
[  455.916078][ T8445] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f0c058ffd
[  455.916079][ T8445] R13: 0000559f171ef960 R14: 0000000000040000 R15: 0000000000000000
| [  458.435385][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  458.435387][   T68] Preemption disabled at:
| [  458.435388][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  458.435399][   T68] Tainted: [W]=WARN
[  458.435400][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  458.435402][   T68] Workqueue: netns cleanup_net
[  458.435408][   T68] Call Trace:
[  458.435410][   T68]  <TASK>
[  458.435412][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  458.435417][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  458.435419][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  458.435422][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  458.435424][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  458.435428][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435431][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  458.435434][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  458.435437][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.435442][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  458.435443][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  458.435446][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  458.435448][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  458.435450][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  458.435453][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  458.435457][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  458.435459][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  458.435462][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  458.435463][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435465][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435466][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  458.435469][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  458.435471][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435473][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435474][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435475][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.435477][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  458.435479][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  458.435482][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  458.435485][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  458.435487][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.435488][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  458.435490][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435491][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  458.435493][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  458.435495][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  458.435496][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  458.435498][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  458.435500][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  458.435502][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  458.435503][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  458.435504][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  458.435507][   T68]  ? kthread (kernel/kthread.c:436)
[  458.435509][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  458.435512][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  458.435515][   T68]  _printk (kernel/printk/printk.c:2504)
[  458.435518][   T68]  ? snapshot_read.cold (user.c:?)
[  458.435520][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  458.435524][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  458.435526][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  458.435528][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  458.435530][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435532][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  458.435533][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  458.435536][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  458.435538][   T68]  ? 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)
[  458.435539][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  458.435542][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  458.435545][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  458.435549][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  458.435551][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  458.435554][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  458.435556][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  458.435558][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  458.435561][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  458.435563][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  458.435565][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  458.435567][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  458.435568][   T68]  process_one_work (kernel/workqueue.c:3387)
[  458.435571][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  458.435574][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  458.435577][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  458.435579][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  458.435581][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  458.435583][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  458.435585][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  458.435587][   T68]  kthread (kernel/kthread.c:436)
[  458.435589][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  458.435590][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  458.435593][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  458.435594][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  458.435597][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  458.435600][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  458.435602][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  459.826808][ T8635] softirqs last disabled at (0): 0x0
| [  459.826811][ T8635] Preemption disabled at:
| [  459.826811][ T8635] vprintk_emit (kernel/printk/printk.c:2471)
| [  459.826822][ T8635] Tainted: [W]=WARN
[  459.826823][ T8635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  459.826825][ T8635] Call Trace:
[  459.826826][ T8635]  <TASK>
[  459.826828][ T8635]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  459.826833][ T8635]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  459.826835][ T8635]  __might_resched.cold (kernel/sched/core.c:9234)
[  459.826839][ T8635]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  459.826841][ T8635]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  459.826844][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826847][ T8635]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  459.826850][ T8635]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.826853][ T8635]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.826859][ T8635]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  459.826861][ T8635]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  459.826863][ T8635]  put_chars (drivers/char/virtio_console.c:1176)
[  459.826865][ T8635]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  459.826867][ T8635]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  459.826870][ T8635]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  459.826874][ T8635]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  459.826876][ T8635]  ? vsnprintf (lib/vsprintf.c:2900)
[  459.826880][ T8635]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.826881][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826882][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826884][ T8635]  console_emit_next_record (kernel/printk/printk.c:3183)
[  459.826887][ T8635]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  459.826889][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826891][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826892][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826893][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.826895][ T8635]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  459.826897][ T8635]  console_flush_one_record (kernel/printk/printk.c:3268)
[  459.826900][ T8635]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  459.826902][ T8635]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  459.826904][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.826906][ T8635]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  459.826908][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826909][ T8635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.826911][ T8635]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  459.826912][ T8635]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  459.826914][ T8635]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  459.826916][ T8635]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  459.826917][ T8635]  vprintk_emit (kernel/printk/printk.c:2479)
[  459.826919][ T8635]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  459.826920][ T8635]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  459.826922][ T8635]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  459.826925][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.826927][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826928][ T8635]  _printk (kernel/printk/printk.c:2504)
[  459.826931][ T8635]  ? snapshot_read.cold (user.c:?)
[  459.826933][ T8635]  ? br_multicast_flood (??:?)
[  459.826937][ T8635]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  459.826940][ T8635]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  459.826941][ T8635]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  459.826943][ T8635]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  459.826946][ T8635]  br_init_port (net/bridge/br_stp_if.c:39)
[  459.826947][ T8635]  new_nbp (net/bridge/br_if.c:449)
[  459.826950][ T8635]  br_add_if (net/bridge/br_if.c:592)
[  459.826951][ T8635]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  459.826956][ T8635]  do_set_master (net/core/rtnetlink.c:3071)
[  459.826957][ T8635]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  459.826959][ T8635]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  459.826961][ T8635]  ? __dev_get_by_name (net/core/dev.c:905)
[  459.826963][ T8635]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  459.826967][ T8635]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  459.826969][ T8635]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  459.826971][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826973][ T8635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  459.826974][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.826976][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826977][ T8635]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  459.826980][ T8635]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  459.826981][ T8635]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  459.826984][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826985][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.826987][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.826988][ T8635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  459.826990][ T8635]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  459.826992][ T8635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  459.826993][ T8635]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  459.826994][ T8635]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  459.826998][ T8635]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  459.827002][ T8635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  459.827003][ T8635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.827005][ T8635]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  459.827007][ T8635]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  459.827009][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.827011][ T8635]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  459.827013][ T8635]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  459.827015][ T8635]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  459.827017][ T8635]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  459.827020][ T8635]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  459.827023][ T8635]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  459.827025][ T8635]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  459.827027][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.827029][ T8635]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  459.827033][ T8635]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  459.827036][ T8635]  ____sys_sendmsg (net/socket.c:2713)
[  459.827037][ T8635]  ? copy_msghdr_from_user (net/socket.c:2650)
[  459.827039][ T8635]  ? sock_write_iter (net/socket.c:1269)
[  459.827041][ T8635]  ? move_addr_to_kernel (net/socket.c:258)
[  459.827043][ T8635]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  459.827046][ T8635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  459.827048][ T8635]  ___sys_sendmsg (net/socket.c:2767)
[  459.827049][ T8635]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  459.827051][ T8635]  ? copy_msghdr_from_user (net/socket.c:2619)
[  459.827053][ T8635]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  459.827058][ T8635]  __sys_sendmsg (net/socket.c:2799)
[  459.827060][ T8635]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  459.827063][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.827064][ T8635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  459.827065][ T8635]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  459.827068][ T8635]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  459.827070][ T8635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  459.827072][ T8635] RIP: 0033:0x7fdf0411054e
[  459.827074][ T8635] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  459.827076][ T8635] RSP: 002b:00007ffe7cdfa970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  459.827080][ T8635] RAX: ffffffffffffffda RBX: 00007ffe7cdfb138 RCX: 00007fdf0411054e
[  459.827081][ T8635] RDX: 0000000000000000 RSI: 00007ffe7cdfaa20 RDI: 0000000000000005
[  459.827082][ T8635] RBP: 00007ffe7cdfa980 R08: 0000000000000000 R09: 0000000000000000
[  459.827083][ T8635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcd5
[  459.827084][ T8635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7cdfb0f0
| [  461.226584][ T8703] softirqs last disabled at (0): 0x0
| [  461.226585][ T8703] Preemption disabled at:
| [  461.226586][ T8703] vprintk_emit (kernel/printk/printk.c:2471)
| [  461.226597][ T8703] Tainted: [W]=WARN
[  461.226598][ T8703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  461.226600][ T8703] Call Trace:
[  461.226601][ T8703]  <TASK>
[  461.226603][ T8703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  461.226608][ T8703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  461.226610][ T8703]  __might_resched.cold (kernel/sched/core.c:9234)
[  461.226614][ T8703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  461.226618][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226621][ T8703]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  461.226624][ T8703]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.226627][ T8703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.226632][ T8703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  461.226634][ T8703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  461.226637][ T8703]  put_chars (drivers/char/virtio_console.c:1176)
[  461.226638][ T8703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  461.226640][ T8703]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  461.226642][ T8703]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  461.226644][ T8703]  ? pointer (lib/vsprintf.c:2577)
[  461.226648][ T8703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  461.226653][ T8703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  461.226655][ T8703]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.226657][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226659][ T8703]  console_emit_next_record (kernel/printk/printk.c:3183)
[  461.226662][ T8703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  461.226664][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226666][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226667][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226668][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226670][ T8703]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  461.226672][ T8703]  console_flush_one_record (kernel/printk/printk.c:3268)
[  461.226675][ T8703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  461.226677][ T8703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  461.226679][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226681][ T8703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  461.226687][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226689][ T8703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.226690][ T8703]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  461.226692][ T8703]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  461.226694][ T8703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  461.226696][ T8703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  461.226698][ T8703]  vprintk_emit (kernel/printk/printk.c:2479)
[  461.226700][ T8703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  461.226702][ T8703]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  461.226705][ T8703]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  461.226708][ T8703]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  461.226711][ T8703]  _printk (kernel/printk/printk.c:2504)
[  461.226715][ T8703]  ? snapshot_read.cold (user.c:?)
[  461.226717][ T8703]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  461.226720][ T8703]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  461.226723][ T8703]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  461.226726][ T8703]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  461.226729][ T8703]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  461.226732][ T8703]  ? netdev_notice (net/core/dev.c:13194)
[  461.226734][ T8703]  ? 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)
[  461.226736][ T8703]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  461.226740][ T8703]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  461.226742][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226743][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226745][ T8703]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  461.226747][ T8703]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  461.226749][ T8703]  ? 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)
[  461.226750][ T8703]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  461.226752][ T8703]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  461.226754][ T8703]  ? register_netdev (net/core/dev.c:11618)
[  461.226756][ T8703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.226758][ T8703]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  461.226762][ T8703]  ? __kernel_text_address (kernel/extable.c:79)
[  461.226764][ T8703]  ? write_profile (profile.c:?)
[  461.226768][ T8703]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  461.226772][ T8703]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  461.226774][ T8703]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  461.226776][ T8703]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  461.226778][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226779][ T8703]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  461.226783][ T8703]  ? kasan_save_stack (mm/kasan/common.c:58)
[  461.226785][ T8703]  ? kasan_save_stack (mm/kasan/common.c:57)
[  461.226786][ T8703]  ? kasan_save_track (mm/kasan/common.c:78)
[  461.226788][ T8703]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  461.226789][ T8703]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  461.226790][ T8703]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  461.226792][ T8703]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  461.226793][ T8703]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  461.226797][ T8703]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  461.226798][ T8703]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  461.226801][ T8703]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  461.226804][ T8703]  ? ____sys_sendmsg (net/socket.c:2713)
[  461.226806][ T8703]  ? ___sys_sendmsg (net/socket.c:2767)
[  461.226808][ T8703]  ? __sys_sendmsg (net/socket.c:2799)
[  461.226810][ T8703]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  461.226813][ T8703]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.226816][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226817][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226819][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226821][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226823][ T8703]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  461.226825][ T8703]  ? __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)
[  461.226827][ T8703]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  461.226828][ T8703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  461.226830][ T8703]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  461.226831][ T8703]  ? nla_get_range_signed (lib/nlattr.c:270)
[  461.226835][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226837][ T8703]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  461.226839][ T8703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  461.226842][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226844][ T8703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  461.226846][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226848][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226850][ T8703]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  461.226852][ T8703]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  461.226854][ T8703]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  461.226856][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226857][ T8703]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  461.226861][ T8703]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  461.226864][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226866][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226867][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226869][ T8703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  461.226871][ T8703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  461.226873][ T8703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  461.226874][ T8703]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  461.226876][ T8703]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  461.226879][ T8703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  461.226882][ T8703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  461.226884][ T8703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.226886][ T8703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  461.226888][ T8703]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  461.226891][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226893][ T8703]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  461.226895][ T8703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  461.226898][ T8703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  461.226900][ T8703]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.226903][ T8703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  461.226905][ T8703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  461.226907][ T8703]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  461.226909][ T8703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  461.226911][ T8703]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  461.226914][ T8703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  461.226916][ T8703]  ____sys_sendmsg (net/socket.c:2713)
[  461.226918][ T8703]  ? copy_msghdr_from_user (net/socket.c:2650)
[  461.226921][ T8703]  ? sock_write_iter (net/socket.c:1269)
[  461.226922][ T8703]  ? move_addr_to_kernel (net/socket.c:258)
[  461.226924][ T8703]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  461.226927][ T8703]  ___sys_sendmsg (net/socket.c:2767)
[  461.226929][ T8703]  ? copy_msghdr_from_user (net/socket.c:2619)
[  461.226934][ T8703]  __sys_sendmsg (net/socket.c:2799)
[  461.226936][ T8703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  461.226940][ T8703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  461.226941][ T8703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  461.226943][ T8703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  461.226945][ T8703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  461.226947][ T8703] RIP: 0033:0x7f70bf5e754e
[  461.226949][ T8703] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  461.226951][ T8703] RSP: 002b:00007ffc504e7da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  461.226955][ T8703] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f70bf5e754e
[  461.226957][ T8703] RDX: 0000000000000000 RSI: 00007ffc504e7e50 RDI: 0000000000000005
[  461.226958][ T8703] RBP: 00007ffc504e7db0 R08: 0000000000000000 R09: 0000000000000000
[  461.226959][ T8703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcd6
[  461.226960][ T8703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc504e8510
| [  462.447443][ T8761] softirqs last disabled at (0): 0x0
| [  462.447445][ T8761] Preemption disabled at:
| [  462.447446][ T8761] vprintk_emit (kernel/printk/printk.c:2471)
| [  462.447456][ T8761] Tainted: [W]=WARN
[  462.447457][ T8761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  462.447459][ T8761] Call Trace:
[  462.447461][ T8761]  <TASK>
[  462.447462][ T8761]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  462.447468][ T8761]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  462.447470][ T8761]  __might_resched.cold (kernel/sched/core.c:9234)
[  462.447473][ T8761]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  462.447476][ T8761]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  462.447480][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447482][ T8761]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  462.447485][ T8761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.447488][ T8761]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.447494][ T8761]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  462.447495][ T8761]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  462.447498][ T8761]  put_chars (drivers/char/virtio_console.c:1176)
[  462.447500][ T8761]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  462.447502][ T8761]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  462.447505][ T8761]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  462.447510][ T8761]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  462.447511][ T8761]  ? vsnprintf (lib/vsprintf.c:2900)
[  462.447515][ T8761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.447517][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447518][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447520][ T8761]  console_emit_next_record (kernel/printk/printk.c:3183)
[  462.447522][ T8761]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  462.447525][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447526][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447527][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447528][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447531][ T8761]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  462.447533][ T8761]  console_flush_one_record (kernel/printk/printk.c:3268)
[  462.447535][ T8761]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  462.447538][ T8761]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  462.447540][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447542][ T8761]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  462.447544][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447545][ T8761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.447546][ T8761]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  462.447548][ T8761]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  462.447550][ T8761]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  462.447552][ T8761]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  462.447553][ T8761]  vprintk_emit (kernel/printk/printk.c:2479)
[  462.447555][ T8761]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  462.447556][ T8761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  462.447558][ T8761]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  462.447561][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447563][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447565][ T8761]  _printk (kernel/printk/printk.c:2504)
[  462.447567][ T8761]  ? snapshot_read.cold (user.c:?)
[  462.447571][ T8761]  ? br_multicast_flood (??:?)
[  462.447575][ T8761]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  462.447579][ T8761]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  462.447581][ T8761]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  462.447584][ T8761]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  462.447588][ T8761]  br_init_port (net/bridge/br_stp_if.c:39)
[  462.447590][ T8761]  new_nbp (net/bridge/br_if.c:449)
[  462.447593][ T8761]  br_add_if (net/bridge/br_if.c:592)
[  462.447595][ T8761]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  462.447599][ T8761]  do_set_master (net/core/rtnetlink.c:3071)
[  462.447601][ T8761]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  462.447603][ T8761]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  462.447605][ T8761]  ? __dev_get_by_name (net/core/dev.c:905)
[  462.447606][ T8761]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  462.447610][ T8761]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  462.447613][ T8761]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  462.447615][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447617][ T8761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  462.447618][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447620][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447621][ T8761]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  462.447624][ T8761]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  462.447626][ T8761]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  462.447628][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447629][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447631][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447632][ T8761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  462.447634][ T8761]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  462.447635][ T8761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  462.447637][ T8761]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  462.447638][ T8761]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  462.447642][ T8761]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  462.447645][ T8761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  462.447647][ T8761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.447649][ T8761]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  462.447650][ T8761]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  462.447653][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447655][ T8761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  462.447657][ T8761]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  462.447659][ T8761]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  462.447661][ T8761]  ? next_uptodate_folio (mm/filemap.c:3747)
[  462.447665][ T8761]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  462.447667][ T8761]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  462.447669][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447671][ T8761]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  462.447674][ T8761]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  462.447677][ T8761]  ____sys_sendmsg (net/socket.c:2713)
[  462.447679][ T8761]  ? copy_msghdr_from_user (net/socket.c:2650)
[  462.447681][ T8761]  ? sock_write_iter (net/socket.c:1269)
[  462.447684][ T8761]  ? move_addr_to_kernel (net/socket.c:258)
[  462.447688][ T8761]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  462.447690][ T8761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  462.447692][ T8761]  ___sys_sendmsg (net/socket.c:2767)
[  462.447694][ T8761]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  462.447696][ T8761]  ? copy_msghdr_from_user (net/socket.c:2619)
[  462.447698][ T8761]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  462.447702][ T8761]  __sys_sendmsg (net/socket.c:2799)
[  462.447705][ T8761]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  462.447707][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447709][ T8761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  462.447710][ T8761]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  462.447713][ T8761]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  462.447715][ T8761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  462.447717][ T8761] RIP: 0033:0x7f144f35254e
[  462.447719][ T8761] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  462.447721][ T8761] RSP: 002b:00007ffdd13596c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  462.447725][ T8761] RAX: ffffffffffffffda RBX: 00007ffdd1359e88 RCX: 00007f144f35254e
[  462.447727][ T8761] RDX: 0000000000000000 RSI: 00007ffdd1359770 RDI: 0000000000000005
[  462.447728][ T8761] RBP: 00007ffdd13596d0 R08: 0000000000000000 R09: 0000000000000000
[  462.447729][ T8761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcd7
[  462.447730][ T8761] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd1359e40
| [  470.430799][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  470.430802][   T68] Preemption disabled at:
| [  470.430803][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  470.430814][   T68] Tainted: [W]=WARN
[  470.430815][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  470.430817][   T68] Workqueue: netns cleanup_net
[  470.430823][   T68] Call Trace:
[  470.430825][   T68]  <TASK>
[  470.430827][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  470.430833][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  470.430834][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  470.430838][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  470.430840][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  470.430844][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430847][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  470.430850][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  470.430853][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  470.430858][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  470.430860][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  470.430863][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  470.430865][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  470.430867][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  470.430869][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  470.430874][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  470.430876][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  470.430879][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  470.430880][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430882][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430884][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  470.430886][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  470.430889][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430890][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430891][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430892][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.430895][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  470.430897][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  470.430899][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  470.430902][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  470.430904][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.430906][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  470.430908][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430909][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  470.430911][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  470.430913][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  470.430914][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  470.430917][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  470.430918][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  470.430920][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  470.430921][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  470.430923][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  470.430926][   T68]  ? kthread (kernel/kthread.c:436)
[  470.430929][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  470.430932][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  470.430934][   T68]  _printk (kernel/printk/printk.c:2504)
[  470.430938][   T68]  ? snapshot_read.cold (user.c:?)
[  470.430940][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  470.430943][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  470.430946][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  470.430948][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  470.430950][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430952][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  470.430953][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  470.430956][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  470.430958][   T68]  ? 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)
[  470.430959][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  470.430962][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  470.430964][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  470.430968][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  470.430971][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  470.430973][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  470.430976][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  470.430977][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  470.430980][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  470.430982][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  470.430984][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  470.430986][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  470.430988][   T68]  process_one_work (kernel/workqueue.c:3387)
[  470.430991][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  470.430994][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  470.430997][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  470.430999][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  470.431001][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  470.431003][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  470.431005][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  470.431007][   T68]  kthread (kernel/kthread.c:436)
[  470.431009][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  470.431011][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  470.431013][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  470.431015][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  470.431017][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  470.431020][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  470.431022][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  471.776751][ T8979] softirqs last disabled at (0): 0x0
| [  471.776753][ T8979] Preemption disabled at:
| [  471.776754][ T8979] vprintk_emit (kernel/printk/printk.c:2471)
| [  471.776764][ T8979] Tainted: [W]=WARN
[  471.776765][ T8979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  471.776766][ T8979] Call Trace:
[  471.776768][ T8979]  <TASK>
[  471.776769][ T8979]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  471.776775][ T8979]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  471.776777][ T8979]  __might_resched.cold (kernel/sched/core.c:9234)
[  471.776781][ T8979]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  471.776783][ T8979]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  471.776787][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776789][ T8979]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  471.776793][ T8979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.776796][ T8979]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.776801][ T8979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  471.776803][ T8979]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  471.776806][ T8979]  put_chars (drivers/char/virtio_console.c:1176)
[  471.776808][ T8979]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  471.776810][ T8979]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  471.776812][ T8979]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  471.776817][ T8979]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  471.776819][ T8979]  ? vsnprintf (lib/vsprintf.c:2900)
[  471.776823][ T8979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.776824][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776825][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776827][ T8979]  console_emit_next_record (kernel/printk/printk.c:3183)
[  471.776830][ T8979]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  471.776832][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776833][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776834][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776835][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776838][ T8979]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  471.776839][ T8979]  console_flush_one_record (kernel/printk/printk.c:3268)
[  471.776842][ T8979]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  471.776845][ T8979]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  471.776846][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776848][ T8979]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  471.776850][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776851][ T8979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.776852][ T8979]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  471.776854][ T8979]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  471.776856][ T8979]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  471.776858][ T8979]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  471.776859][ T8979]  vprintk_emit (kernel/printk/printk.c:2479)
[  471.776861][ T8979]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  471.776862][ T8979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  471.776864][ T8979]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  471.776867][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776868][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776870][ T8979]  _printk (kernel/printk/printk.c:2504)
[  471.776873][ T8979]  ? snapshot_read.cold (user.c:?)
[  471.776875][ T8979]  ? br_multicast_flood (??:?)
[  471.776878][ T8979]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  471.776881][ T8979]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  471.776882][ T8979]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  471.776884][ T8979]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  471.776887][ T8979]  br_init_port (net/bridge/br_stp_if.c:39)
[  471.776889][ T8979]  new_nbp (net/bridge/br_if.c:449)
[  471.776891][ T8979]  br_add_if (net/bridge/br_if.c:592)
[  471.776893][ T8979]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  471.776897][ T8979]  do_set_master (net/core/rtnetlink.c:3071)
[  471.776899][ T8979]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  471.776901][ T8979]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  471.776902][ T8979]  ? __dev_get_by_name (net/core/dev.c:905)
[  471.776904][ T8979]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  471.776908][ T8979]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  471.776911][ T8979]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  471.776913][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776914][ T8979]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  471.776915][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776917][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776918][ T8979]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  471.776921][ T8979]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  471.776923][ T8979]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  471.776926][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776927][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776928][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776929][ T8979]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  471.776931][ T8979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  471.776933][ T8979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  471.776934][ T8979]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  471.776936][ T8979]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  471.776939][ T8979]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  471.776943][ T8979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  471.776944][ T8979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.776946][ T8979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  471.776947][ T8979]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  471.776950][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.776952][ T8979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  471.776954][ T8979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  471.776956][ T8979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  471.776958][ T8979]  ? next_uptodate_folio (mm/filemap.c:3747)
[  471.776961][ T8979]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  471.776964][ T8979]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  471.776966][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776968][ T8979]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  471.776971][ T8979]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  471.776974][ T8979]  ____sys_sendmsg (net/socket.c:2713)
[  471.776976][ T8979]  ? copy_msghdr_from_user (net/socket.c:2650)
[  471.776978][ T8979]  ? sock_write_iter (net/socket.c:1269)
[  471.776979][ T8979]  ? move_addr_to_kernel (net/socket.c:258)
[  471.776982][ T8979]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  471.776984][ T8979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  471.776986][ T8979]  ___sys_sendmsg (net/socket.c:2767)
[  471.776988][ T8979]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  471.776990][ T8979]  ? copy_msghdr_from_user (net/socket.c:2619)
[  471.776992][ T8979]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  471.776996][ T8979]  __sys_sendmsg (net/socket.c:2799)
[  471.776998][ T8979]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  471.777001][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.777002][ T8979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  471.777004][ T8979]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  471.777006][ T8979]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  471.777009][ T8979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  471.777010][ T8979] RIP: 0033:0x7f65fbae054e
[  471.777012][ T8979] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  471.777015][ T8979] RSP: 002b:00007ffd0fe15e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  471.777018][ T8979] RAX: ffffffffffffffda RBX: 00007ffd0fe16618 RCX: 00007f65fbae054e
[  471.777020][ T8979] RDX: 0000000000000000 RSI: 00007ffd0fe15f00 RDI: 0000000000000005
[  471.777021][ T8979] RBP: 00007ffd0fe15e60 R08: 0000000000000000 R09: 0000000000000000
[  471.777022][ T8979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fce1
[  471.777023][ T8979] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0fe165d0
| [  473.240780][ T9048] softirqs last disabled at (0): 0x0
| [  473.240782][ T9048] Preemption disabled at:
| [  473.240782][ T9048] vprintk_emit (kernel/printk/printk.c:2471)
| [  473.240794][ T9048] Tainted: [W]=WARN
[  473.240795][ T9048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  473.240797][ T9048] Call Trace:
[  473.240798][ T9048]  <TASK>
[  473.240799][ T9048]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  473.240805][ T9048]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  473.240807][ T9048]  __might_resched.cold (kernel/sched/core.c:9234)
[  473.240811][ T9048]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  473.240814][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240817][ T9048]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  473.240820][ T9048]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.240823][ T9048]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.240828][ T9048]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  473.240830][ T9048]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  473.240832][ T9048]  put_chars (drivers/char/virtio_console.c:1176)
[  473.240834][ T9048]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  473.240835][ T9048]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  473.240838][ T9048]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  473.240840][ T9048]  ? pointer (lib/vsprintf.c:2577)
[  473.240843][ T9048]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  473.240848][ T9048]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  473.240850][ T9048]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.240852][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.240855][ T9048]  console_emit_next_record (kernel/printk/printk.c:3183)
[  473.240857][ T9048]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  473.240860][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240861][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240862][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240863][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.240865][ T9048]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  473.240867][ T9048]  console_flush_one_record (kernel/printk/printk.c:3268)
[  473.240870][ T9048]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  473.240873][ T9048]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  473.240875][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.240876][ T9048]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  473.240878][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240879][ T9048]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.240881][ T9048]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  473.240882][ T9048]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  473.240884][ T9048]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  473.240886][ T9048]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  473.240888][ T9048]  vprintk_emit (kernel/printk/printk.c:2479)
[  473.240890][ T9048]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  473.240891][ T9048]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  473.240893][ T9048]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  473.240897][ T9048]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  473.240899][ T9048]  _printk (kernel/printk/printk.c:2504)
[  473.240902][ T9048]  ? snapshot_read.cold (user.c:?)
[  473.240904][ T9048]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  473.240907][ T9048]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  473.240910][ T9048]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  473.240912][ T9048]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  473.240915][ T9048]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  473.240918][ T9048]  ? netdev_notice (net/core/dev.c:13194)
[  473.240920][ T9048]  ? 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)
[  473.240922][ T9048]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  473.240925][ T9048]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  473.240926][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240927][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240928][ T9048]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  473.240930][ T9048]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  473.240932][ T9048]  ? 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)
[  473.240933][ T9048]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  473.240934][ T9048]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  473.240936][ T9048]  ? register_netdev (net/core/dev.c:11618)
[  473.240938][ T9048]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.240940][ T9048]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  473.240943][ T9048]  ? __kernel_text_address (kernel/extable.c:79)
[  473.240945][ T9048]  ? write_profile (profile.c:?)
[  473.240948][ T9048]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  473.240952][ T9048]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  473.240954][ T9048]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  473.240956][ T9048]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  473.240957][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240958][ T9048]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  473.240962][ T9048]  ? kasan_save_stack (mm/kasan/common.c:58)
[  473.240964][ T9048]  ? kasan_save_stack (mm/kasan/common.c:57)
[  473.240965][ T9048]  ? kasan_save_track (mm/kasan/common.c:78)
[  473.240966][ T9048]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  473.240967][ T9048]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  473.240969][ T9048]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  473.240970][ T9048]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  473.240971][ T9048]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  473.240974][ T9048]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  473.240976][ T9048]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  473.240977][ T9048]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  473.240980][ T9048]  ? ____sys_sendmsg (net/socket.c:2713)
[  473.240981][ T9048]  ? ___sys_sendmsg (net/socket.c:2767)
[  473.240983][ T9048]  ? __sys_sendmsg (net/socket.c:2799)
[  473.240985][ T9048]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  473.240987][ T9048]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  473.240990][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240991][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.240992][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240993][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.240995][ T9048]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  473.240996][ T9048]  ? __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)
[  473.240997][ T9048]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  473.240999][ T9048]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  473.241000][ T9048]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  473.241001][ T9048]  ? nla_get_range_signed (lib/nlattr.c:270)
[  473.241005][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241006][ T9048]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  473.241008][ T9048]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  473.241010][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241012][ T9048]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.241013][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.241015][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241016][ T9048]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  473.241019][ T9048]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  473.241020][ T9048]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  473.241022][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241023][ T9048]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  473.241026][ T9048]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  473.241029][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241030][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.241031][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241033][ T9048]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  473.241034][ T9048]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  473.241036][ T9048]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.241037][ T9048]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  473.241039][ T9048]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  473.241041][ T9048]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  473.241043][ T9048]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  473.241045][ T9048]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.241046][ T9048]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  473.241048][ T9048]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  473.241051][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241052][ T9048]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  473.241055][ T9048]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  473.241057][ T9048]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  473.241059][ T9048]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  473.241061][ T9048]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  473.241063][ T9048]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  473.241065][ T9048]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  473.241066][ T9048]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  473.241068][ T9048]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  473.241071][ T9048]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  473.241073][ T9048]  ____sys_sendmsg (net/socket.c:2713)
[  473.241075][ T9048]  ? copy_msghdr_from_user (net/socket.c:2650)
[  473.241077][ T9048]  ? sock_write_iter (net/socket.c:1269)
[  473.241078][ T9048]  ? move_addr_to_kernel (net/socket.c:258)
[  473.241080][ T9048]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  473.241083][ T9048]  ___sys_sendmsg (net/socket.c:2767)
[  473.241085][ T9048]  ? copy_msghdr_from_user (net/socket.c:2619)
[  473.241090][ T9048]  __sys_sendmsg (net/socket.c:2799)
[  473.241092][ T9048]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  473.241095][ T9048]  ? 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)
[  473.241097][ T9048]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  473.241099][ T9048]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  473.241101][ T9048]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  473.241103][ T9048]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  473.241105][ T9048] RIP: 0033:0x7f13c91d954e
[  473.241107][ T9048] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  473.241109][ T9048] RSP: 002b:00007fff73458100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  473.241112][ T9048] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f13c91d954e
[  473.241114][ T9048] RDX: 0000000000000000 RSI: 00007fff734581b0 RDI: 0000000000000005
[  473.241115][ T9048] RBP: 00007fff73458110 R08: 0000000000000000 R09: 0000000000000000
[  473.241116][ T9048] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fce2
[  473.241117][ T9048] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff73458870
| [  474.509588][ T9098] softirqs last disabled at (0): 0x0
| [  474.509590][ T9098] Preemption disabled at:
| [  474.509591][ T9098] vprintk_emit (kernel/printk/printk.c:2471)
| [  474.509601][ T9098] Tainted: [W]=WARN
[  474.509602][ T9098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  474.509604][ T9098] Call Trace:
[  474.509606][ T9098]  <TASK>
[  474.509607][ T9098]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  474.509613][ T9098]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  474.509614][ T9098]  __might_resched.cold (kernel/sched/core.c:9234)
[  474.509618][ T9098]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  474.509621][ T9098]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  474.509624][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509627][ T9098]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  474.509630][ T9098]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.509633][ T9098]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.509638][ T9098]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  474.509640][ T9098]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.509643][ T9098]  put_chars (drivers/char/virtio_console.c:1176)
[  474.509645][ T9098]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  474.509646][ T9098]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  474.509649][ T9098]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  474.509654][ T9098]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  474.509656][ T9098]  ? vsnprintf (lib/vsprintf.c:2900)
[  474.509661][ T9098]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.509663][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509664][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509666][ T9098]  console_emit_next_record (kernel/printk/printk.c:3183)
[  474.509669][ T9098]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  474.509671][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509672][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509673][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509674][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509676][ T9098]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  474.509678][ T9098]  console_flush_one_record (kernel/printk/printk.c:3268)
[  474.509681][ T9098]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  474.509684][ T9098]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  474.509687][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509689][ T9098]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  474.509691][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509692][ T9098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.509694][ T9098]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  474.509695][ T9098]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  474.509697][ T9098]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  474.509699][ T9098]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  474.509700][ T9098]  vprintk_emit (kernel/printk/printk.c:2479)
[  474.509702][ T9098]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  474.509704][ T9098]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.509705][ T9098]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  474.509709][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509710][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509712][ T9098]  _printk (kernel/printk/printk.c:2504)
[  474.509714][ T9098]  ? snapshot_read.cold (user.c:?)
[  474.509716][ T9098]  ? br_multicast_flood (??:?)
[  474.509720][ T9098]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  474.509723][ T9098]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  474.509724][ T9098]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  474.509726][ T9098]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  474.509729][ T9098]  br_init_port (net/bridge/br_stp_if.c:39)
[  474.509730][ T9098]  new_nbp (net/bridge/br_if.c:449)
[  474.509733][ T9098]  br_add_if (net/bridge/br_if.c:592)
[  474.509735][ T9098]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  474.509739][ T9098]  do_set_master (net/core/rtnetlink.c:3071)
[  474.509741][ T9098]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  474.509743][ T9098]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  474.509744][ T9098]  ? __dev_get_by_name (net/core/dev.c:905)
[  474.509746][ T9098]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  474.509750][ T9098]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  474.509753][ T9098]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  474.509755][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509756][ T9098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.509758][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509759][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509761][ T9098]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  474.509764][ T9098]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  474.509765][ T9098]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  474.509768][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509769][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509771][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509772][ T9098]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  474.509773][ T9098]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  474.509775][ T9098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  474.509776][ T9098]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  474.509778][ T9098]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  474.509782][ T9098]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  474.509784][ T9098]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  474.509786][ T9098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.509788][ T9098]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  474.509789][ T9098]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  474.509792][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509794][ T9098]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.509796][ T9098]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  474.509798][ T9098]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  474.509800][ T9098]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  474.509803][ T9098]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  474.509805][ T9098]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  474.509808][ T9098]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  474.509810][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509811][ T9098]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  474.509815][ T9098]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  474.509818][ T9098]  ____sys_sendmsg (net/socket.c:2713)
[  474.509819][ T9098]  ? copy_msghdr_from_user (net/socket.c:2650)
[  474.509821][ T9098]  ? sock_write_iter (net/socket.c:1269)
[  474.509823][ T9098]  ? move_addr_to_kernel (net/socket.c:258)
[  474.509825][ T9098]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  474.509828][ T9098]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.509830][ T9098]  ___sys_sendmsg (net/socket.c:2767)
[  474.509831][ T9098]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  474.509833][ T9098]  ? copy_msghdr_from_user (net/socket.c:2619)
[  474.509835][ T9098]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  474.509839][ T9098]  __sys_sendmsg (net/socket.c:2799)
[  474.509841][ T9098]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  474.509844][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509845][ T9098]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.509847][ T9098]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  474.509849][ T9098]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  474.509851][ T9098]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  474.509853][ T9098] RIP: 0033:0x7f67ec74554e
[  474.509855][ T9098] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  474.509857][ T9098] RSP: 002b:00007ffc21af7900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  474.509861][ T9098] RAX: ffffffffffffffda RBX: 00007ffc21af80c8 RCX: 00007f67ec74554e
[  474.509863][ T9098] RDX: 0000000000000000 RSI: 00007ffc21af79b0 RDI: 0000000000000005
[  474.509863][ T9098] RBP: 00007ffc21af7910 R08: 0000000000000000 R09: 0000000000000000
[  474.509864][ T9098] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fce3
[  474.509865][ T9098] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc21af8080
| [  482.447435][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  482.447437][   T68] Preemption disabled at:
| [  482.447438][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.447449][   T68] Tainted: [W]=WARN
[  482.447450][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.447452][   T68] Workqueue: netns cleanup_net
[  482.447458][   T68] Call Trace:
[  482.447460][   T68]  <TASK>
[  482.447462][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.447468][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.447469][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.447473][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  482.447475][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.447479][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447482][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  482.447485][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.447488][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.447494][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  482.447495][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.447498][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  482.447500][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.447502][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  482.447504][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.447509][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.447511][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  482.447513][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.447515][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447516][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447518][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.447520][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.447523][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447523][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447524][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447526][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.447528][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  482.447530][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.447532][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.447535][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.447537][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.447538][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.447540][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447541][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.447543][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  482.447544][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  482.447546][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.447548][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.447549][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.447551][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.447552][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  482.447554][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  482.447557][   T68]  ? kthread (kernel/kthread.c:436)
[  482.447559][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  482.447562][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  482.447564][   T68]  _printk (kernel/printk/printk.c:2504)
[  482.447567][   T68]  ? snapshot_read.cold (user.c:?)
[  482.447570][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  482.447573][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  482.447575][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  482.447577][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  482.447579][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447581][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  482.447582][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  482.447585][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  482.447586][   T68]  ? 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)
[  482.447588][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  482.447590][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  482.447592][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  482.447596][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  482.447598][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  482.447601][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  482.447603][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  482.447605][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  482.447608][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  482.447610][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  482.447612][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.447613][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.447615][   T68]  process_one_work (kernel/workqueue.c:3387)
[  482.447618][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  482.447620][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.447623][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  482.447625][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  482.447627][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  482.447629][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  482.447631][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  482.447632][   T68]  kthread (kernel/kthread.c:436)
[  482.447634][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  482.447636][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  482.447638][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  482.447639][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  482.447641][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  482.447644][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  482.447646][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  483.705563][ T9317] softirqs last disabled at (0): 0x0
| [  483.705565][ T9317] Preemption disabled at:
| [  483.705566][ T9317] vprintk_emit (kernel/printk/printk.c:2471)
| [  483.705576][ T9317] Tainted: [W]=WARN
[  483.705576][ T9317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  483.705579][ T9317] Call Trace:
[  483.705580][ T9317]  <TASK>
[  483.705582][ T9317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  483.705587][ T9317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  483.705589][ T9317]  __might_resched.cold (kernel/sched/core.c:9234)
[  483.705593][ T9317]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  483.705595][ T9317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  483.705598][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705601][ T9317]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  483.705604][ T9317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.705607][ T9317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.705612][ T9317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  483.705614][ T9317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  483.705616][ T9317]  put_chars (drivers/char/virtio_console.c:1176)
[  483.705618][ T9317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  483.705620][ T9317]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  483.705623][ T9317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  483.705627][ T9317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  483.705629][ T9317]  ? vsnprintf (lib/vsprintf.c:2900)
[  483.705632][ T9317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.705634][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705635][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705637][ T9317]  console_emit_next_record (kernel/printk/printk.c:3183)
[  483.705640][ T9317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  483.705642][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705643][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705644][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705646][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705648][ T9317]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  483.705650][ T9317]  console_flush_one_record (kernel/printk/printk.c:3268)
[  483.705653][ T9317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  483.705655][ T9317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  483.705657][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705659][ T9317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  483.705661][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705662][ T9317]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.705664][ T9317]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  483.705665][ T9317]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  483.705667][ T9317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  483.705669][ T9317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  483.705670][ T9317]  vprintk_emit (kernel/printk/printk.c:2479)
[  483.705672][ T9317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  483.705673][ T9317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  483.705675][ T9317]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  483.705678][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705680][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705681][ T9317]  _printk (kernel/printk/printk.c:2504)
[  483.705688][ T9317]  ? snapshot_read.cold (user.c:?)
[  483.705691][ T9317]  ? br_multicast_flood (??:?)
[  483.705695][ T9317]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  483.705699][ T9317]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  483.705700][ T9317]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  483.705702][ T9317]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  483.705705][ T9317]  br_init_port (net/bridge/br_stp_if.c:39)
[  483.705707][ T9317]  new_nbp (net/bridge/br_if.c:449)
[  483.705710][ T9317]  br_add_if (net/bridge/br_if.c:592)
[  483.705711][ T9317]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  483.705716][ T9317]  do_set_master (net/core/rtnetlink.c:3071)
[  483.705717][ T9317]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  483.705719][ T9317]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  483.705721][ T9317]  ? __dev_get_by_name (net/core/dev.c:905)
[  483.705722][ T9317]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  483.705727][ T9317]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  483.705729][ T9317]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  483.705731][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705733][ T9317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.705734][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705736][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705737][ T9317]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  483.705740][ T9317]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  483.705742][ T9317]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  483.705744][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705745][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705747][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705748][ T9317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  483.705749][ T9317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  483.705751][ T9317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.705753][ T9317]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  483.705754][ T9317]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  483.705758][ T9317]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  483.705761][ T9317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  483.705763][ T9317]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.705764][ T9317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  483.705766][ T9317]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  483.705769][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705770][ T9317]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  483.705772][ T9317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  483.705774][ T9317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  483.705776][ T9317]  ? next_uptodate_folio (mm/filemap.c:3747)
[  483.705779][ T9317]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  483.705782][ T9317]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  483.705784][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705785][ T9317]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  483.705789][ T9317]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  483.705792][ T9317]  ____sys_sendmsg (net/socket.c:2713)
[  483.705794][ T9317]  ? copy_msghdr_from_user (net/socket.c:2650)
[  483.705795][ T9317]  ? sock_write_iter (net/socket.c:1269)
[  483.705797][ T9317]  ? move_addr_to_kernel (net/socket.c:258)
[  483.705799][ T9317]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  483.705802][ T9317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  483.705804][ T9317]  ___sys_sendmsg (net/socket.c:2767)
[  483.705805][ T9317]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  483.705807][ T9317]  ? copy_msghdr_from_user (net/socket.c:2619)
[  483.705809][ T9317]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  483.705814][ T9317]  __sys_sendmsg (net/socket.c:2799)
[  483.705816][ T9317]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  483.705818][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705820][ T9317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  483.705821][ T9317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  483.705824][ T9317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  483.705826][ T9317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  483.705828][ T9317] RIP: 0033:0x7f86f1b1454e
[  483.705830][ T9317] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  483.705832][ T9317] RSP: 002b:00007ffc73718eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  483.705835][ T9317] RAX: ffffffffffffffda RBX: 00007ffc73719678 RCX: 00007f86f1b1454e
[  483.705837][ T9317] RDX: 0000000000000000 RSI: 00007ffc73718f60 RDI: 0000000000000005
[  483.705838][ T9317] RBP: 00007ffc73718ec0 R08: 0000000000000000 R09: 0000000000000000
[  483.705839][ T9317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fced
[  483.705840][ T9317] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc73719630
| [  485.181108][ T9386] softirqs last disabled at (0): 0x0
| [  485.181109][ T9386] Preemption disabled at:
| [  485.181110][ T9386] vprintk_emit (kernel/printk/printk.c:2471)
| [  485.181121][ T9386] Tainted: [W]=WARN
[  485.181122][ T9386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  485.181123][ T9386] Call Trace:
[  485.181125][ T9386]  <TASK>
[  485.181126][ T9386]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  485.181132][ T9386]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  485.181134][ T9386]  __might_resched.cold (kernel/sched/core.c:9234)
[  485.181137][ T9386]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  485.181141][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181143][ T9386]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  485.181147][ T9386]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  485.181150][ T9386]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.181155][ T9386]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  485.181157][ T9386]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  485.181159][ T9386]  put_chars (drivers/char/virtio_console.c:1176)
[  485.181161][ T9386]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  485.181162][ T9386]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  485.181165][ T9386]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  485.181168][ T9386]  ? pointer (lib/vsprintf.c:2577)
[  485.181172][ T9386]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  485.181176][ T9386]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  485.181178][ T9386]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  485.181180][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181183][ T9386]  console_emit_next_record (kernel/printk/printk.c:3183)
[  485.181186][ T9386]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  485.181188][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181189][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181190][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181192][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181194][ T9386]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  485.181196][ T9386]  console_flush_one_record (kernel/printk/printk.c:3268)
[  485.181198][ T9386]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  485.181201][ T9386]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  485.181203][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181205][ T9386]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  485.181207][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181208][ T9386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.181209][ T9386]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  485.181211][ T9386]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  485.181213][ T9386]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  485.181215][ T9386]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  485.181216][ T9386]  vprintk_emit (kernel/printk/printk.c:2479)
[  485.181218][ T9386]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  485.181219][ T9386]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  485.181222][ T9386]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  485.181225][ T9386]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  485.181228][ T9386]  _printk (kernel/printk/printk.c:2504)
[  485.181231][ T9386]  ? snapshot_read.cold (user.c:?)
[  485.181233][ T9386]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  485.181235][ T9386]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  485.181239][ T9386]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  485.181240][ T9386]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  485.181244][ T9386]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  485.181246][ T9386]  ? netdev_notice (net/core/dev.c:13194)
[  485.181248][ T9386]  ? 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)
[  485.181250][ T9386]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  485.181253][ T9386]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  485.181254][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181255][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181257][ T9386]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  485.181258][ T9386]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  485.181260][ T9386]  ? 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)
[  485.181261][ T9386]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  485.181262][ T9386]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  485.181264][ T9386]  ? register_netdev (net/core/dev.c:11618)
[  485.181266][ T9386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.181268][ T9386]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  485.181271][ T9386]  ? __kernel_text_address (kernel/extable.c:79)
[  485.181273][ T9386]  ? write_profile (profile.c:?)
[  485.181276][ T9386]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  485.181280][ T9386]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  485.181282][ T9386]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  485.181284][ T9386]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  485.181285][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181286][ T9386]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  485.181290][ T9386]  ? kasan_save_stack (mm/kasan/common.c:58)
[  485.181292][ T9386]  ? kasan_save_stack (mm/kasan/common.c:57)
[  485.181293][ T9386]  ? kasan_save_track (mm/kasan/common.c:78)
[  485.181294][ T9386]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  485.181295][ T9386]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  485.181297][ T9386]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  485.181298][ T9386]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  485.181299][ T9386]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  485.181302][ T9386]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  485.181304][ T9386]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  485.181306][ T9386]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  485.181308][ T9386]  ? ____sys_sendmsg (net/socket.c:2713)
[  485.181310][ T9386]  ? ___sys_sendmsg (net/socket.c:2767)
[  485.181311][ T9386]  ? __sys_sendmsg (net/socket.c:2799)
[  485.181313][ T9386]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  485.181315][ T9386]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  485.181318][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181319][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181321][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181322][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181323][ T9386]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  485.181324][ T9386]  ? __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)
[  485.181326][ T9386]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  485.181327][ T9386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  485.181329][ T9386]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  485.181330][ T9386]  ? nla_get_range_signed (lib/nlattr.c:270)
[  485.181333][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181335][ T9386]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  485.181337][ T9386]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  485.181339][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181340][ T9386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  485.181341][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181343][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181344][ T9386]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  485.181347][ T9386]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  485.181348][ T9386]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  485.181350][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181351][ T9386]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  485.181354][ T9386]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  485.181357][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181358][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181359][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181361][ T9386]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  485.181362][ T9386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  485.181364][ T9386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  485.181365][ T9386]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  485.181367][ T9386]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  485.181370][ T9386]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  485.181371][ T9386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  485.181373][ T9386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.181375][ T9386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  485.181376][ T9386]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  485.181379][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181381][ T9386]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  485.181383][ T9386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  485.181385][ T9386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  485.181387][ T9386]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  485.181389][ T9386]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  485.181391][ T9386]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  485.181393][ T9386]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  485.181395][ T9386]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  485.181396][ T9386]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  485.181400][ T9386]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  485.181401][ T9386]  ____sys_sendmsg (net/socket.c:2713)
[  485.181403][ T9386]  ? copy_msghdr_from_user (net/socket.c:2650)
[  485.181405][ T9386]  ? sock_write_iter (net/socket.c:1269)
[  485.181406][ T9386]  ? move_addr_to_kernel (net/socket.c:258)
[  485.181408][ T9386]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  485.181411][ T9386]  ___sys_sendmsg (net/socket.c:2767)
[  485.181413][ T9386]  ? copy_msghdr_from_user (net/socket.c:2619)
[  485.181426][ T9386]  __sys_sendmsg (net/socket.c:2799)
[  485.181428][ T9386]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  485.181431][ T9386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  485.181433][ T9386]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  485.181434][ T9386]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  485.181437][ T9386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  485.181438][ T9386] RIP: 0033:0x7f7de2b9654e
[  485.181440][ T9386] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  485.181442][ T9386] RSP: 002b:00007ffc019363e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  485.181446][ T9386] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7de2b9654e
[  485.181448][ T9386] RDX: 0000000000000000 RSI: 00007ffc01936490 RDI: 0000000000000005
[  485.181449][ T9386] RBP: 00007ffc019363f0 R08: 0000000000000000 R09: 0000000000000000
[  485.181450][ T9386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcee
[  485.181451][ T9386] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc01936b50
| [  486.371928][ T9436] softirqs last disabled at (0): 0x0
| [  486.371930][ T9436] Preemption disabled at:
| [  486.371930][ T9436] vprintk_emit (kernel/printk/printk.c:2471)
| [  486.371941][ T9436] Tainted: [W]=WARN
[  486.371942][ T9436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  486.371944][ T9436] Call Trace:
[  486.371946][ T9436]  <TASK>
[  486.371948][ T9436]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  486.371955][ T9436]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  486.371958][ T9436]  __might_resched.cold (kernel/sched/core.c:9234)
[  486.371963][ T9436]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  486.371965][ T9436]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  486.371969][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.371971][ T9436]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  486.371975][ T9436]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.371978][ T9436]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.371983][ T9436]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  486.371985][ T9436]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.371988][ T9436]  put_chars (drivers/char/virtio_console.c:1176)
[  486.371989][ T9436]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  486.371991][ T9436]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  486.371994][ T9436]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  486.371999][ T9436]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  486.372001][ T9436]  ? vsnprintf (lib/vsprintf.c:2900)
[  486.372006][ T9436]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.372009][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372010][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372012][ T9436]  console_emit_next_record (kernel/printk/printk.c:3183)
[  486.372015][ T9436]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  486.372017][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372019][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372020][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372021][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372024][ T9436]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  486.372025][ T9436]  console_flush_one_record (kernel/printk/printk.c:3268)
[  486.372028][ T9436]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  486.372031][ T9436]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  486.372033][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372035][ T9436]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  486.372036][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372037][ T9436]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.372039][ T9436]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  486.372041][ T9436]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  486.372042][ T9436]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  486.372044][ T9436]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  486.372046][ T9436]  vprintk_emit (kernel/printk/printk.c:2479)
[  486.372049][ T9436]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  486.372051][ T9436]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.372054][ T9436]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  486.372058][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372060][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372061][ T9436]  _printk (kernel/printk/printk.c:2504)
[  486.372064][ T9436]  ? snapshot_read.cold (user.c:?)
[  486.372066][ T9436]  ? br_multicast_flood (??:?)
[  486.372070][ T9436]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  486.372073][ T9436]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  486.372074][ T9436]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  486.372076][ T9436]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  486.372079][ T9436]  br_init_port (net/bridge/br_stp_if.c:39)
[  486.372081][ T9436]  new_nbp (net/bridge/br_if.c:449)
[  486.372083][ T9436]  br_add_if (net/bridge/br_if.c:592)
[  486.372085][ T9436]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  486.372090][ T9436]  do_set_master (net/core/rtnetlink.c:3071)
[  486.372092][ T9436]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  486.372095][ T9436]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  486.372098][ T9436]  ? __dev_get_by_name (net/core/dev.c:905)
[  486.372101][ T9436]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  486.372105][ T9436]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  486.372108][ T9436]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  486.372110][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372112][ T9436]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.372113][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372115][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372116][ T9436]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  486.372119][ T9436]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  486.372121][ T9436]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  486.372124][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372125][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372126][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372128][ T9436]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  486.372129][ T9436]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  486.372131][ T9436]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  486.372132][ T9436]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  486.372134][ T9436]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  486.372137][ T9436]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  486.372142][ T9436]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  486.372145][ T9436]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.372147][ T9436]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  486.372149][ T9436]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  486.372152][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372153][ T9436]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.372155][ T9436]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  486.372158][ T9436]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  486.372160][ T9436]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  486.372162][ T9436]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  486.372165][ T9436]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  486.372168][ T9436]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  486.372170][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372171][ T9436]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  486.372175][ T9436]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  486.372178][ T9436]  ____sys_sendmsg (net/socket.c:2713)
[  486.372180][ T9436]  ? copy_msghdr_from_user (net/socket.c:2650)
[  486.372181][ T9436]  ? sock_write_iter (net/socket.c:1269)
[  486.372183][ T9436]  ? move_addr_to_kernel (net/socket.c:258)
[  486.372185][ T9436]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  486.372188][ T9436]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.372190][ T9436]  ___sys_sendmsg (net/socket.c:2767)
[  486.372191][ T9436]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  486.372193][ T9436]  ? copy_msghdr_from_user (net/socket.c:2619)
[  486.372195][ T9436]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  486.372200][ T9436]  __sys_sendmsg (net/socket.c:2799)
[  486.372202][ T9436]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  486.372205][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372206][ T9436]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.372208][ T9436]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  486.372210][ T9436]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  486.372212][ T9436]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  486.372214][ T9436] RIP: 0033:0x7f691763f54e
[  486.372216][ T9436] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  486.372219][ T9436] RSP: 002b:00007ffd9d5cedd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  486.372222][ T9436] RAX: ffffffffffffffda RBX: 00007ffd9d5cf598 RCX: 00007f691763f54e
[  486.372224][ T9436] RDX: 0000000000000000 RSI: 00007ffd9d5cee80 RDI: 0000000000000005
[  486.372225][ T9436] RBP: 00007ffd9d5cede0 R08: 0000000000000000 R09: 0000000000000000
[  486.372226][ T9436] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcef
[  486.372227][ T9436] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9d5cf550
| [  494.356207][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  494.356210][   T68] Preemption disabled at:
| [  494.356211][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  494.356222][   T68] Tainted: [W]=WARN
[  494.356223][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  494.356225][   T68] Workqueue: netns cleanup_net
[  494.356231][   T68] Call Trace:
[  494.356232][   T68]  <TASK>
[  494.356234][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  494.356239][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  494.356241][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  494.356245][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  494.356247][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  494.356251][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356253][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  494.356256][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  494.356260][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.356265][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  494.356266][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.356269][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  494.356271][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  494.356273][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  494.356275][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  494.356280][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  494.356282][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  494.356284][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  494.356286][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356288][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356289][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  494.356292][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  494.356294][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356295][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356297][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356298][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.356300][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  494.356302][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  494.356305][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  494.356308][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  494.356309][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.356311][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  494.356313][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356314][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  494.356316][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  494.356317][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  494.356319][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  494.356321][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  494.356322][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  494.356324][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  494.356325][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  494.356327][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  494.356330][   T68]  ? kthread (kernel/kthread.c:436)
[  494.356332][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  494.356335][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  494.356338][   T68]  _printk (kernel/printk/printk.c:2504)
[  494.356341][   T68]  ? snapshot_read.cold (user.c:?)
[  494.356343][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  494.356346][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  494.356348][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  494.356350][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  494.356353][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356354][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  494.356355][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  494.356358][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  494.356360][   T68]  ? 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)
[  494.356361][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  494.356364][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  494.356366][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  494.356370][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  494.356372][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  494.356375][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  494.356377][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  494.356379][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  494.356382][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  494.356384][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  494.356386][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356387][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.356389][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.356391][   T68]  process_one_work (kernel/workqueue.c:3387)
[  494.356394][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  494.356397][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  494.356399][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  494.356401][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  494.356403][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  494.356405][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  494.356407][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  494.356409][   T68]  kthread (kernel/kthread.c:436)
[  494.356411][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  494.356413][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  494.356415][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  494.356416][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  494.356419][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  494.356422][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  494.356424][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  495.782597][ T9654] softirqs last disabled at (0): 0x0
| [  495.782599][ T9654] Preemption disabled at:
| [  495.782600][ T9654] vprintk_emit (kernel/printk/printk.c:2471)
| [  495.782611][ T9654] Tainted: [W]=WARN
[  495.782612][ T9654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  495.782614][ T9654] Call Trace:
[  495.782615][ T9654]  <TASK>
[  495.782617][ T9654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  495.782623][ T9654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  495.782624][ T9654]  __might_resched.cold (kernel/sched/core.c:9234)
[  495.782628][ T9654]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  495.782630][ T9654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  495.782634][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782636][ T9654]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  495.782639][ T9654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  495.782643][ T9654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  495.782648][ T9654]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  495.782650][ T9654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  495.782652][ T9654]  put_chars (drivers/char/virtio_console.c:1176)
[  495.782654][ T9654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  495.782656][ T9654]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  495.782659][ T9654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  495.782663][ T9654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  495.782665][ T9654]  ? vsnprintf (lib/vsprintf.c:2900)
[  495.782668][ T9654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  495.782670][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782671][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782673][ T9654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  495.782676][ T9654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  495.782678][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782679][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782680][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782681][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782686][ T9654]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  495.782689][ T9654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  495.782692][ T9654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  495.782695][ T9654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  495.782697][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782698][ T9654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  495.782700][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782701][ T9654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  495.782703][ T9654]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  495.782704][ T9654]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  495.782706][ T9654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  495.782708][ T9654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  495.782709][ T9654]  vprintk_emit (kernel/printk/printk.c:2479)
[  495.782711][ T9654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  495.782713][ T9654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  495.782714][ T9654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  495.782717][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782719][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782720][ T9654]  _printk (kernel/printk/printk.c:2504)
[  495.782723][ T9654]  ? snapshot_read.cold (user.c:?)
[  495.782726][ T9654]  ? br_multicast_flood (??:?)
[  495.782729][ T9654]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  495.782732][ T9654]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  495.782733][ T9654]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  495.782735][ T9654]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  495.782738][ T9654]  br_init_port (net/bridge/br_stp_if.c:39)
[  495.782740][ T9654]  new_nbp (net/bridge/br_if.c:449)
[  495.782742][ T9654]  br_add_if (net/bridge/br_if.c:592)
[  495.782744][ T9654]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  495.782748][ T9654]  do_set_master (net/core/rtnetlink.c:3071)
[  495.782750][ T9654]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  495.782752][ T9654]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  495.782753][ T9654]  ? __dev_get_by_name (net/core/dev.c:905)
[  495.782755][ T9654]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  495.782759][ T9654]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  495.782762][ T9654]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  495.782764][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782765][ T9654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  495.782766][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782768][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782770][ T9654]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  495.782772][ T9654]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  495.782774][ T9654]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  495.782777][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782778][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782780][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782781][ T9654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  495.782783][ T9654]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  495.782784][ T9654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  495.782786][ T9654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  495.782787][ T9654]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  495.782791][ T9654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  495.782794][ T9654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  495.782796][ T9654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  495.782797][ T9654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  495.782799][ T9654]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  495.782802][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782803][ T9654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  495.782805][ T9654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  495.782808][ T9654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  495.782810][ T9654]  ? next_uptodate_folio (mm/filemap.c:3747)
[  495.782813][ T9654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  495.782815][ T9654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  495.782817][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782819][ T9654]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  495.782823][ T9654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  495.782826][ T9654]  ____sys_sendmsg (net/socket.c:2713)
[  495.782828][ T9654]  ? copy_msghdr_from_user (net/socket.c:2650)
[  495.782829][ T9654]  ? sock_write_iter (net/socket.c:1269)
[  495.782831][ T9654]  ? move_addr_to_kernel (net/socket.c:258)
[  495.782833][ T9654]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  495.782836][ T9654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  495.782838][ T9654]  ___sys_sendmsg (net/socket.c:2767)
[  495.782839][ T9654]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  495.782841][ T9654]  ? copy_msghdr_from_user (net/socket.c:2619)
[  495.782843][ T9654]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  495.782847][ T9654]  __sys_sendmsg (net/socket.c:2799)
[  495.782849][ T9654]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  495.782852][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782854][ T9654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  495.782855][ T9654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  495.782858][ T9654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  495.782860][ T9654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  495.782862][ T9654] RIP: 0033:0x7ff95e12a54e
[  495.782864][ T9654] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  495.782866][ T9654] RSP: 002b:00007ffd948107f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  495.782870][ T9654] RAX: ffffffffffffffda RBX: 00007ffd94810fb8 RCX: 00007ff95e12a54e
[  495.782871][ T9654] RDX: 0000000000000000 RSI: 00007ffd948108a0 RDI: 0000000000000005
[  495.782872][ T9654] RBP: 00007ffd94810800 R08: 0000000000000000 R09: 0000000000000000
[  495.782873][ T9654] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcf9
[  495.782874][ T9654] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd94810f70
| [  497.239931][ T9722] softirqs last disabled at (0): 0x0
| [  497.239933][ T9722] Preemption disabled at:
| [  497.239934][ T9722] vprintk_emit (kernel/printk/printk.c:2471)
| [  497.239944][ T9722] Tainted: [W]=WARN
[  497.239945][ T9722] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  497.239946][ T9722] Call Trace:
[  497.239948][ T9722]  <TASK>
[  497.239949][ T9722]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  497.239955][ T9722]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  497.239956][ T9722]  __might_resched.cold (kernel/sched/core.c:9234)
[  497.239960][ T9722]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  497.239964][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.239966][ T9722]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  497.239969][ T9722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.239972][ T9722]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.239977][ T9722]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  497.239979][ T9722]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.239982][ T9722]  put_chars (drivers/char/virtio_console.c:1176)
[  497.239983][ T9722]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  497.239985][ T9722]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  497.239987][ T9722]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  497.239990][ T9722]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  497.239994][ T9722]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  497.239996][ T9722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.239998][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240001][ T9722]  console_emit_next_record (kernel/printk/printk.c:3183)
[  497.240003][ T9722]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  497.240006][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240007][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240009][ T9722]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  497.240011][ T9722]  console_flush_one_record (kernel/printk/printk.c:3268)
[  497.240014][ T9722]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  497.240017][ T9722]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  497.240019][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240020][ T9722]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  497.240022][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240023][ T9722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.240025][ T9722]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  497.240026][ T9722]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  497.240028][ T9722]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  497.240030][ T9722]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  497.240031][ T9722]  vprintk_emit (kernel/printk/printk.c:2479)
[  497.240033][ T9722]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  497.240034][ T9722]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  497.240037][ T9722]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  497.240040][ T9722]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  497.240043][ T9722]  _printk (kernel/printk/printk.c:2504)
[  497.240046][ T9722]  ? snapshot_read.cold (user.c:?)
[  497.240048][ T9722]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  497.240050][ T9722]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  497.240054][ T9722]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  497.240056][ T9722]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  497.240059][ T9722]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  497.240061][ T9722]  ? netdev_notice (net/core/dev.c:13194)
[  497.240063][ T9722]  ? 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)
[  497.240065][ T9722]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  497.240068][ T9722]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.240069][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240070][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240071][ T9722]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  497.240073][ T9722]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  497.240075][ T9722]  ? 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)
[  497.240076][ T9722]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  497.240077][ T9722]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  497.240079][ T9722]  ? register_netdev (net/core/dev.c:11618)
[  497.240080][ T9722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.240082][ T9722]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  497.240085][ T9722]  ? __kernel_text_address (kernel/extable.c:79)
[  497.240088][ T9722]  ? write_profile (profile.c:?)
[  497.240091][ T9722]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  497.240094][ T9722]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  497.240096][ T9722]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  497.240098][ T9722]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  497.240099][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240100][ T9722]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  497.240104][ T9722]  ? kasan_save_stack (mm/kasan/common.c:58)
[  497.240106][ T9722]  ? kasan_save_stack (mm/kasan/common.c:57)
[  497.240107][ T9722]  ? kasan_save_track (mm/kasan/common.c:78)
[  497.240108][ T9722]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  497.240109][ T9722]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  497.240110][ T9722]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  497.240111][ T9722]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  497.240113][ T9722]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  497.240115][ T9722]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  497.240117][ T9722]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  497.240118][ T9722]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  497.240121][ T9722]  ? ____sys_sendmsg (net/socket.c:2713)
[  497.240123][ T9722]  ? ___sys_sendmsg (net/socket.c:2767)
[  497.240124][ T9722]  ? __sys_sendmsg (net/socket.c:2799)
[  497.240126][ T9722]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  497.240129][ T9722]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  497.240132][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240133][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240134][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240136][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240137][ T9722]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  497.240138][ T9722]  ? __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)
[  497.240139][ T9722]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  497.240141][ T9722]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  497.240142][ T9722]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  497.240144][ T9722]  ? nla_get_range_signed (lib/nlattr.c:270)
[  497.240147][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240148][ T9722]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  497.240151][ T9722]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  497.240153][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240154][ T9722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.240155][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240157][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240158][ T9722]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  497.240161][ T9722]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  497.240162][ T9722]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  497.240164][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240165][ T9722]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  497.240168][ T9722]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  497.240171][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240172][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240173][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240175][ T9722]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  497.240176][ T9722]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  497.240178][ T9722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  497.240179][ T9722]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  497.240181][ T9722]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  497.240183][ T9722]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  497.240185][ T9722]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  497.240186][ T9722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.240188][ T9722]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  497.240190][ T9722]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  497.240193][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240194][ T9722]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.240196][ T9722]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  497.240198][ T9722]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  497.240200][ T9722]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  497.240202][ T9722]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  497.240205][ T9722]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  497.240206][ T9722]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  497.240208][ T9722]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.240210][ T9722]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  497.240213][ T9722]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  497.240215][ T9722]  ____sys_sendmsg (net/socket.c:2713)
[  497.240216][ T9722]  ? copy_msghdr_from_user (net/socket.c:2650)
[  497.240218][ T9722]  ? sock_write_iter (net/socket.c:1269)
[  497.240220][ T9722]  ? move_addr_to_kernel (net/socket.c:258)
[  497.240221][ T9722]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  497.240224][ T9722]  ___sys_sendmsg (net/socket.c:2767)
[  497.240226][ T9722]  ? copy_msghdr_from_user (net/socket.c:2619)
[  497.240231][ T9722]  __sys_sendmsg (net/socket.c:2799)
[  497.240233][ T9722]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  497.240236][ T9722]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.240237][ T9722]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  497.240239][ T9722]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  497.240241][ T9722]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  497.240243][ T9722] RIP: 0033:0x7f1dd541354e
[  497.240245][ T9722] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  497.240247][ T9722] RSP: 002b:00007fff5e29fb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  497.240250][ T9722] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1dd541354e
[  497.240252][ T9722] RDX: 0000000000000000 RSI: 00007fff5e29fc10 RDI: 0000000000000005
[  497.240253][ T9722] RBP: 00007fff5e29fb70 R08: 0000000000000000 R09: 0000000000000000
[  497.240254][ T9722] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcfa
[  497.240255][ T9722] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5e2a02d0
| [  498.475240][ T9780] softirqs last disabled at (0): 0x0
| [  498.475242][ T9780] Preemption disabled at:
| [  498.475243][ T9780] vprintk_emit (kernel/printk/printk.c:2471)
| [  498.475253][ T9780] Tainted: [W]=WARN
[  498.475254][ T9780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  498.475256][ T9780] Call Trace:
[  498.475258][ T9780]  <TASK>
[  498.475259][ T9780]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  498.475264][ T9780]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  498.475266][ T9780]  __might_resched.cold (kernel/sched/core.c:9234)
[  498.475270][ T9780]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  498.475272][ T9780]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  498.475275][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475278][ T9780]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  498.475281][ T9780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.475284][ T9780]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  498.475289][ T9780]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  498.475291][ T9780]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  498.475293][ T9780]  put_chars (drivers/char/virtio_console.c:1176)
[  498.475295][ T9780]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  498.475297][ T9780]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  498.475299][ T9780]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  498.475304][ T9780]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  498.475306][ T9780]  ? vsnprintf (lib/vsprintf.c:2900)
[  498.475309][ T9780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.475310][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475312][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475313][ T9780]  console_emit_next_record (kernel/printk/printk.c:3183)
[  498.475316][ T9780]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  498.475318][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475319][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475320][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475322][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475324][ T9780]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  498.475326][ T9780]  console_flush_one_record (kernel/printk/printk.c:3268)
[  498.475328][ T9780]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  498.475331][ T9780]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  498.475333][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475335][ T9780]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  498.475336][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475337][ T9780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.475339][ T9780]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  498.475340][ T9780]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  498.475342][ T9780]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  498.475344][ T9780]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  498.475346][ T9780]  vprintk_emit (kernel/printk/printk.c:2479)
[  498.475347][ T9780]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  498.475349][ T9780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.475350][ T9780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  498.475353][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475355][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475356][ T9780]  _printk (kernel/printk/printk.c:2504)
[  498.475359][ T9780]  ? snapshot_read.cold (user.c:?)
[  498.475361][ T9780]  ? br_multicast_flood (??:?)
[  498.475365][ T9780]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  498.475368][ T9780]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  498.475369][ T9780]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  498.475371][ T9780]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  498.475374][ T9780]  br_init_port (net/bridge/br_stp_if.c:39)
[  498.475376][ T9780]  new_nbp (net/bridge/br_if.c:449)
[  498.475378][ T9780]  br_add_if (net/bridge/br_if.c:592)
[  498.475380][ T9780]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  498.475384][ T9780]  do_set_master (net/core/rtnetlink.c:3071)
[  498.475386][ T9780]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  498.475388][ T9780]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  498.475389][ T9780]  ? __dev_get_by_name (net/core/dev.c:905)
[  498.475391][ T9780]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  498.475395][ T9780]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  498.475397][ T9780]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  498.475399][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475400][ T9780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  498.475402][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475403][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475405][ T9780]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  498.475407][ T9780]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  498.475409][ T9780]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  498.475412][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475413][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475414][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475415][ T9780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  498.475417][ T9780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  498.475418][ T9780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  498.475420][ T9780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  498.475421][ T9780]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  498.475425][ T9780]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  498.475428][ T9780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  498.475429][ T9780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.475431][ T9780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  498.475433][ T9780]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  498.475436][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475437][ T9780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.475439][ T9780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  498.475441][ T9780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  498.475443][ T9780]  ? next_uptodate_folio (mm/filemap.c:3747)
[  498.475446][ T9780]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  498.475449][ T9780]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  498.475451][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475452][ T9780]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  498.475456][ T9780]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  498.475459][ T9780]  ____sys_sendmsg (net/socket.c:2713)
[  498.475461][ T9780]  ? copy_msghdr_from_user (net/socket.c:2650)
[  498.475462][ T9780]  ? sock_write_iter (net/socket.c:1269)
[  498.475464][ T9780]  ? move_addr_to_kernel (net/socket.c:258)
[  498.475466][ T9780]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  498.475468][ T9780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.475470][ T9780]  ___sys_sendmsg (net/socket.c:2767)
[  498.475472][ T9780]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  498.475474][ T9780]  ? copy_msghdr_from_user (net/socket.c:2619)
[  498.475475][ T9780]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  498.475480][ T9780]  __sys_sendmsg (net/socket.c:2799)
[  498.475482][ T9780]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  498.475485][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475486][ T9780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.475487][ T9780]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  498.475490][ T9780]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  498.475492][ T9780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  498.475494][ T9780] RIP: 0033:0x7f23fa64254e
[  498.475496][ T9780] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  498.475498][ T9780] RSP: 002b:00007ffd6e882d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  498.475502][ T9780] RAX: ffffffffffffffda RBX: 00007ffd6e883508 RCX: 00007f23fa64254e
[  498.475503][ T9780] RDX: 0000000000000000 RSI: 00007ffd6e882df0 RDI: 0000000000000005
[  498.475504][ T9780] RBP: 00007ffd6e882d50 R08: 0000000000000000 R09: 0000000000000000
[  498.475505][ T9780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fcfb
[  498.475506][ T9780] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6e8834c0
| [  505.487470][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  505.487472][   T68] Preemption disabled at:
| [  505.487473][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  505.487485][   T68] Tainted: [W]=WARN
[  505.487486][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  505.487488][   T68] Workqueue: netns cleanup_net
[  505.487494][   T68] Call Trace:
[  505.487496][   T68]  <TASK>
[  505.487498][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  505.487504][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  505.487505][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  505.487509][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  505.487511][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  505.487514][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487517][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  505.487520][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  505.487523][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  505.487528][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  505.487530][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  505.487533][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  505.487534][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  505.487536][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  505.487539][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  505.487544][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  505.487545][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  505.487548][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  505.487550][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487551][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487553][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  505.487556][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  505.487558][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487559][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487560][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487561][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  505.487564][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  505.487566][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  505.487568][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  505.487571][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  505.487573][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  505.487575][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  505.487577][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487578][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  505.487579][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  505.487581][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  505.487582][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  505.487591][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  505.487592][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  505.487594][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  505.487595][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  505.487597][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  505.487600][   T68]  ? kthread (kernel/kthread.c:436)
[  505.487603][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  505.487606][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  505.487608][   T68]  _printk (kernel/printk/printk.c:2504)
[  505.487611][   T68]  ? snapshot_read.cold (user.c:?)
[  505.487614][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  505.487617][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  505.487619][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  505.487622][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  505.487624][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487625][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  505.487627][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  505.487630][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  505.487631][   T68]  ? 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)
[  505.487633][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  505.487635][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  505.487638][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  505.487641][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  505.487644][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  505.487646][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  505.487648][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  505.487650][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  505.487653][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  505.487655][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  505.487657][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  505.487659][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.487661][   T68]  process_one_work (kernel/workqueue.c:3387)
[  505.487664][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  505.487666][   T68]  ? kthread_data (kernel/kthread.c:236 (discriminator 1))
[  505.487669][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  505.487671][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  505.487674][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  505.487676][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  505.487678][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  505.487684][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  505.487687][   T68]  kthread (kernel/kthread.c:436)
[  505.487690][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  505.487692][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  505.487694][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  505.487696][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  505.487698][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  505.487701][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  505.487703][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  506.760582][ T9943] softirqs last disabled at (0): 0x0
| [  506.760584][ T9943] Preemption disabled at:
| [  506.760585][ T9943] vprintk_emit (kernel/printk/printk.c:2471)
| [  506.760594][ T9943] Tainted: [W]=WARN
[  506.760600][ T9943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  506.760602][ T9943] Call Trace:
[  506.760604][ T9943]  <TASK>
[  506.760605][ T9943]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  506.760611][ T9943]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  506.760612][ T9943]  __might_resched.cold (kernel/sched/core.c:9234)
[  506.760616][ T9943]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  506.760618][ T9943]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  506.760622][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760624][ T9943]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  506.760627][ T9943]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.760630][ T9943]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.760636][ T9943]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  506.760637][ T9943]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.760640][ T9943]  put_chars (drivers/char/virtio_console.c:1176)
[  506.760642][ T9943]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  506.760644][ T9943]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  506.760647][ T9943]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  506.760651][ T9943]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  506.760653][ T9943]  ? vsnprintf (lib/vsprintf.c:2900)
[  506.760657][ T9943]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.760659][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760660][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760662][ T9943]  console_emit_next_record (kernel/printk/printk.c:3183)
[  506.760665][ T9943]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  506.760667][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760668][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760669][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760670][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760673][ T9943]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  506.760674][ T9943]  console_flush_one_record (kernel/printk/printk.c:3268)
[  506.760677][ T9943]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  506.760680][ T9943]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  506.760682][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760686][ T9943]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  506.760689][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760690][ T9943]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.760691][ T9943]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  506.760693][ T9943]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  506.760695][ T9943]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  506.760697][ T9943]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  506.760698][ T9943]  vprintk_emit (kernel/printk/printk.c:2479)
[  506.760700][ T9943]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  506.760701][ T9943]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.760703][ T9943]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  506.760706][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760707][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760709][ T9943]  _printk (kernel/printk/printk.c:2504)
[  506.760712][ T9943]  ? snapshot_read.cold (user.c:?)
[  506.760714][ T9943]  ? br_multicast_flood (??:?)
[  506.760717][ T9943]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  506.760720][ T9943]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  506.760721][ T9943]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.760723][ T9943]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  506.760726][ T9943]  br_init_port (net/bridge/br_stp_if.c:39)
[  506.760728][ T9943]  new_nbp (net/bridge/br_if.c:449)
[  506.760730][ T9943]  br_add_if (net/bridge/br_if.c:592)
[  506.760732][ T9943]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  506.760736][ T9943]  do_set_master (net/core/rtnetlink.c:3071)
[  506.760738][ T9943]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  506.760740][ T9943]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  506.760741][ T9943]  ? __dev_get_by_name (net/core/dev.c:905)
[  506.760743][ T9943]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  506.760747][ T9943]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  506.760750][ T9943]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.760752][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760753][ T9943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.760754][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760756][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760757][ T9943]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  506.760760][ T9943]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  506.760762][ T9943]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  506.760764][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760766][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760767][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760768][ T9943]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.760770][ T9943]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  506.760772][ T9943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.760773][ T9943]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  506.760775][ T9943]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  506.760779][ T9943]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  506.760782][ T9943]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.760783][ T9943]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.760785][ T9943]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  506.760786][ T9943]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  506.760790][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760791][ T9943]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.760793][ T9943]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  506.760795][ T9943]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  506.760797][ T9943]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  506.760800][ T9943]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  506.760803][ T9943]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  506.760805][ T9943]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  506.760807][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760809][ T9943]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  506.760812][ T9943]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  506.760815][ T9943]  ____sys_sendmsg (net/socket.c:2713)
[  506.760817][ T9943]  ? copy_msghdr_from_user (net/socket.c:2650)
[  506.760819][ T9943]  ? sock_write_iter (net/socket.c:1269)
[  506.760820][ T9943]  ? move_addr_to_kernel (net/socket.c:258)
[  506.760822][ T9943]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  506.760825][ T9943]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.760827][ T9943]  ___sys_sendmsg (net/socket.c:2767)
[  506.760829][ T9943]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  506.760831][ T9943]  ? copy_msghdr_from_user (net/socket.c:2619)
[  506.760832][ T9943]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  506.760837][ T9943]  __sys_sendmsg (net/socket.c:2799)
[  506.760839][ T9943]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  506.760842][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760843][ T9943]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.760845][ T9943]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  506.760847][ T9943]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  506.760849][ T9943]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.760851][ T9943] RIP: 0033:0x7fe5764f654e
[  506.760853][ T9943] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  506.760855][ T9943] RSP: 002b:00007ffe0ce90f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  506.760859][ T9943] RAX: ffffffffffffffda RBX: 00007ffe0ce916f8 RCX: 00007fe5764f654e
[  506.760860][ T9943] RDX: 0000000000000000 RSI: 00007ffe0ce90fe0 RDI: 0000000000000005
[  506.760861][ T9943] RBP: 00007ffe0ce90f40 R08: 0000000000000000 R09: 0000000000000000
[  506.760862][ T9943] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd04
[  506.760863][ T9943] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ce916b0
| [  508.321747][T10012] softirqs last disabled at (0): 0x0
| [  508.321749][T10012] Preemption disabled at:
| [  508.321750][T10012] vprintk_emit (kernel/printk/printk.c:2471)
| [  508.321761][T10012] Tainted: [W]=WARN
[  508.321762][T10012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  508.321764][T10012] Call Trace:
[  508.321766][T10012]  <TASK>
[  508.321767][T10012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  508.321773][T10012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  508.321774][T10012]  __might_resched.cold (kernel/sched/core.c:9234)
[  508.321778][T10012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  508.321782][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321785][T10012]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  508.321788][T10012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.321791][T10012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.321796][T10012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  508.321798][T10012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.321800][T10012]  put_chars (drivers/char/virtio_console.c:1176)
[  508.321802][T10012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  508.321803][T10012]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  508.321806][T10012]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  508.321808][T10012]  ? pointer (lib/vsprintf.c:2577)
[  508.321812][T10012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  508.321816][T10012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  508.321818][T10012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.321820][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.321823][T10012]  console_emit_next_record (kernel/printk/printk.c:3183)
[  508.321826][T10012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  508.321828][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321829][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321830][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321832][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.321834][T10012]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  508.321836][T10012]  console_flush_one_record (kernel/printk/printk.c:3268)
[  508.321838][T10012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  508.321841][T10012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  508.321843][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.321845][T10012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  508.321847][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321848][T10012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.321850][T10012]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  508.321851][T10012]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  508.321853][T10012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  508.321855][T10012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  508.321856][T10012]  vprintk_emit (kernel/printk/printk.c:2479)
[  508.321858][T10012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  508.321860][T10012]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  508.321862][T10012]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  508.321865][T10012]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  508.321868][T10012]  _printk (kernel/printk/printk.c:2504)
[  508.321871][T10012]  ? snapshot_read.cold (user.c:?)
[  508.321873][T10012]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  508.321875][T10012]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  508.321879][T10012]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  508.321881][T10012]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  508.321884][T10012]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  508.321886][T10012]  ? netdev_notice (net/core/dev.c:13194)
[  508.321888][T10012]  ? 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)
[  508.321890][T10012]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  508.321893][T10012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.321895][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321896][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321897][T10012]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  508.321899][T10012]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  508.321900][T10012]  ? 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)
[  508.321902][T10012]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  508.321903][T10012]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  508.321905][T10012]  ? register_netdev (net/core/dev.c:11618)
[  508.321906][T10012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.321908][T10012]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  508.321911][T10012]  ? __kernel_text_address (kernel/extable.c:79)
[  508.321914][T10012]  ? write_profile (profile.c:?)
[  508.321917][T10012]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  508.321921][T10012]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  508.321923][T10012]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  508.321924][T10012]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  508.321926][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321927][T10012]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  508.321930][T10012]  ? kasan_save_stack (mm/kasan/common.c:58)
[  508.321933][T10012]  ? kasan_save_stack (mm/kasan/common.c:57)
[  508.321934][T10012]  ? kasan_save_track (mm/kasan/common.c:78)
[  508.321935][T10012]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  508.321936][T10012]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  508.321937][T10012]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  508.321939][T10012]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  508.321940][T10012]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  508.321943][T10012]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  508.321945][T10012]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  508.321946][T10012]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  508.321949][T10012]  ? ____sys_sendmsg (net/socket.c:2713)
[  508.321951][T10012]  ? ___sys_sendmsg (net/socket.c:2767)
[  508.321952][T10012]  ? __sys_sendmsg (net/socket.c:2799)
[  508.321954][T10012]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  508.321956][T10012]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.321959][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321960][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.321962][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321963][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321964][T10012]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  508.321965][T10012]  ? __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)
[  508.321967][T10012]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  508.321968][T10012]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  508.321970][T10012]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  508.321971][T10012]  ? nla_get_range_signed (lib/nlattr.c:270)
[  508.321974][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321975][T10012]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  508.321978][T10012]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  508.321980][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321981][T10012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  508.321982][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.321984][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321986][T10012]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  508.321988][T10012]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  508.321990][T10012]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  508.321991][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321992][T10012]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  508.321996][T10012]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  508.321998][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.321999][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.322001][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.322002][T10012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  508.322004][T10012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  508.322006][T10012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  508.322007][T10012]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  508.322009][T10012]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  508.322011][T10012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  508.322013][T10012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  508.322015][T10012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.322017][T10012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  508.322018][T10012]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  508.322021][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.322023][T10012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.322025][T10012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  508.322027][T10012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  508.322029][T10012]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.322031][T10012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  508.322033][T10012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  508.322035][T10012]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  508.322037][T10012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.322038][T10012]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  508.322042][T10012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  508.322044][T10012]  ____sys_sendmsg (net/socket.c:2713)
[  508.322046][T10012]  ? copy_msghdr_from_user (net/socket.c:2650)
[  508.322047][T10012]  ? sock_write_iter (net/socket.c:1269)
[  508.322049][T10012]  ? move_addr_to_kernel (net/socket.c:258)
[  508.322051][T10012]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  508.322053][T10012]  ___sys_sendmsg (net/socket.c:2767)
[  508.322055][T10012]  ? copy_msghdr_from_user (net/socket.c:2619)
[  508.322060][T10012]  __sys_sendmsg (net/socket.c:2799)
[  508.322062][T10012]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  508.322065][T10012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.322067][T10012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  508.322069][T10012]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  508.322071][T10012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.322072][T10012] RIP: 0033:0x7fcbbb89554e
[  508.322074][T10012] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  508.322076][T10012] RSP: 002b:00007ffe92adcf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  508.322080][T10012] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcbbb89554e
[  508.322081][T10012] RDX: 0000000000000000 RSI: 00007ffe92adcff0 RDI: 0000000000000005
[  508.322082][T10012] RBP: 00007ffe92adcf50 R08: 0000000000000000 R09: 0000000000000000
[  508.322083][T10012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd05
[  508.322084][T10012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe92add6b0
| [  509.598244][T10062] softirqs last disabled at (0): 0x0
| [  509.598246][T10062] Preemption disabled at:
| [  509.598247][T10062] vprintk_emit (kernel/printk/printk.c:2471)
| [  509.598256][T10062] Tainted: [W]=WARN
[  509.598257][T10062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  509.598259][T10062] Call Trace:
[  509.598261][T10062]  <TASK>
[  509.598262][T10062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  509.598268][T10062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  509.598269][T10062]  __might_resched.cold (kernel/sched/core.c:9234)
[  509.598273][T10062]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  509.598275][T10062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  509.598279][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598281][T10062]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  509.598284][T10062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  509.598288][T10062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.598293][T10062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  509.598295][T10062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.598298][T10062]  put_chars (drivers/char/virtio_console.c:1176)
[  509.598299][T10062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  509.598301][T10062]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  509.598304][T10062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  509.598308][T10062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  509.598310][T10062]  ? vsnprintf (lib/vsprintf.c:2900)
[  509.598314][T10062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  509.598315][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598316][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598318][T10062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  509.598321][T10062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  509.598323][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598324][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598325][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598326][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598329][T10062]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  509.598331][T10062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  509.598333][T10062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  509.598336][T10062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  509.598337][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598339][T10062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  509.598341][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598342][T10062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  509.598343][T10062]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  509.598345][T10062]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  509.598346][T10062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  509.598349][T10062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  509.598350][T10062]  vprintk_emit (kernel/printk/printk.c:2479)
[  509.598352][T10062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  509.598353][T10062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  509.598355][T10062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  509.598358][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598360][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598361][T10062]  _printk (kernel/printk/printk.c:2504)
[  509.598364][T10062]  ? snapshot_read.cold (user.c:?)
[  509.598366][T10062]  ? br_multicast_flood (??:?)
[  509.598370][T10062]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  509.598373][T10062]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  509.598374][T10062]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  509.598376][T10062]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  509.598378][T10062]  br_init_port (net/bridge/br_stp_if.c:39)
[  509.598380][T10062]  new_nbp (net/bridge/br_if.c:449)
[  509.598382][T10062]  br_add_if (net/bridge/br_if.c:592)
[  509.598384][T10062]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  509.598388][T10062]  do_set_master (net/core/rtnetlink.c:3071)
[  509.598390][T10062]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  509.598392][T10062]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  509.598393][T10062]  ? __dev_get_by_name (net/core/dev.c:905)
[  509.598395][T10062]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  509.598399][T10062]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  509.598402][T10062]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  509.598404][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598405][T10062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.598406][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598408][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598409][T10062]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  509.598412][T10062]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  509.598414][T10062]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  509.598416][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598418][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598419][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598420][T10062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.598422][T10062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  509.598424][T10062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.598425][T10062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  509.598426][T10062]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  509.598431][T10062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  509.598434][T10062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.598435][T10062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  509.598437][T10062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  509.598439][T10062]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  509.598442][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598443][T10062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  509.598445][T10062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  509.598447][T10062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  509.598449][T10062]  ? next_uptodate_folio (mm/filemap.c:3747)
[  509.598452][T10062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  509.598454][T10062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  509.598457][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598458][T10062]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  509.598462][T10062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  509.598465][T10062]  ____sys_sendmsg (net/socket.c:2713)
[  509.598467][T10062]  ? copy_msghdr_from_user (net/socket.c:2650)
[  509.598468][T10062]  ? sock_write_iter (net/socket.c:1269)
[  509.598470][T10062]  ? move_addr_to_kernel (net/socket.c:258)
[  509.598472][T10062]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  509.598474][T10062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.598476][T10062]  ___sys_sendmsg (net/socket.c:2767)
[  509.598478][T10062]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  509.598480][T10062]  ? copy_msghdr_from_user (net/socket.c:2619)
[  509.598481][T10062]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  509.598486][T10062]  __sys_sendmsg (net/socket.c:2799)
[  509.598488][T10062]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  509.598491][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598492][T10062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.598493][T10062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  509.598496][T10062]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  509.598498][T10062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  509.598500][T10062] RIP: 0033:0x7f0e02b2154e
[  509.598502][T10062] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  509.598504][T10062] RSP: 002b:00007ffcd3fd5240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  509.598508][T10062] RAX: ffffffffffffffda RBX: 00007ffcd3fd5a08 RCX: 00007f0e02b2154e
[  509.598509][T10062] RDX: 0000000000000000 RSI: 00007ffcd3fd52f0 RDI: 0000000000000005
[  509.598510][T10062] RBP: 00007ffcd3fd5250 R08: 0000000000000000 R09: 0000000000000000
[  509.598511][T10062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd07
[  509.598512][T10062] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd3fd59c0
| [  516.538775][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  516.538777][   T68] Preemption disabled at:
| [  516.538778][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  516.538789][   T68] Tainted: [W]=WARN
[  516.538790][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  516.538792][   T68] Workqueue: netns cleanup_net
[  516.538798][   T68] Call Trace:
[  516.538800][   T68]  <TASK>
[  516.538802][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  516.538807][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  516.538809][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  516.538812][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  516.538815][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  516.538818][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538821][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  516.538824][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  516.538827][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  516.538832][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  516.538834][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  516.538837][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  516.538839][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  516.538841][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  516.538843][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  516.538848][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  516.538851][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  516.538853][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  516.538855][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538856][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538859][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  516.538862][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  516.538864][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538865][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538867][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538868][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  516.538870][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  516.538872][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  516.538875][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  516.538878][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  516.538880][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  516.538882][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  516.538884][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538885][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  516.538886][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  516.538888][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  516.538889][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  516.538892][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  516.538893][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  516.538895][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  516.538896][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  516.538898][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  516.538900][   T68]  ? kthread (kernel/kthread.c:436)
[  516.538903][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  516.538905][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  516.538908][   T68]  _printk (kernel/printk/printk.c:2504)
[  516.538911][   T68]  ? snapshot_read.cold (user.c:?)
[  516.538913][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  516.538916][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  516.538919][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  516.538921][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  516.538923][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538924][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  516.538926][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  516.538929][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  516.538930][   T68]  ? 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)
[  516.538932][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  516.538934][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  516.538937][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  516.538940][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  516.538943][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  516.538945][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  516.538948][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  516.538950][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  516.538953][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  516.538954][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  516.538957][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  516.538958][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  516.538960][   T68]  process_one_work (kernel/workqueue.c:3387)
[  516.538963][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  516.538966][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  516.538968][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  516.538971][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  516.538973][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  516.538975][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  516.538977][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  516.538979][   T68]  kthread (kernel/kthread.c:436)
[  516.538980][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  516.538982][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  516.538984][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  516.538986][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  516.538988][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  516.538991][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  516.538993][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  517.869696][T10225] softirqs last disabled at (0): 0x0
| [  517.869698][T10225] Preemption disabled at:
| [  517.869699][T10225] vprintk_emit (kernel/printk/printk.c:2471)
| [  517.869709][T10225] Tainted: [W]=WARN
[  517.869710][T10225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  517.869712][T10225] Call Trace:
[  517.869714][T10225]  <TASK>
[  517.869715][T10225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  517.869721][T10225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  517.869722][T10225]  __might_resched.cold (kernel/sched/core.c:9234)
[  517.869726][T10225]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  517.869728][T10225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  517.869732][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869735][T10225]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  517.869738][T10225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.869741][T10225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.869746][T10225]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  517.869748][T10225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.869751][T10225]  put_chars (drivers/char/virtio_console.c:1176)
[  517.869753][T10225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  517.869755][T10225]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  517.869758][T10225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  517.869762][T10225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  517.869764][T10225]  ? vsnprintf (lib/vsprintf.c:2900)
[  517.869767][T10225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.869769][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869770][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869772][T10225]  console_emit_next_record (kernel/printk/printk.c:3183)
[  517.869775][T10225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  517.869777][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869779][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869780][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869781][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869783][T10225]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  517.869785][T10225]  console_flush_one_record (kernel/printk/printk.c:3268)
[  517.869788][T10225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  517.869791][T10225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  517.869793][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869794][T10225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  517.869796][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869797][T10225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.869799][T10225]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  517.869801][T10225]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  517.869802][T10225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  517.869804][T10225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  517.869806][T10225]  vprintk_emit (kernel/printk/printk.c:2479)
[  517.869808][T10225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  517.869809][T10225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.869811][T10225]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  517.869814][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869816][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869817][T10225]  _printk (kernel/printk/printk.c:2504)
[  517.869820][T10225]  ? snapshot_read.cold (user.c:?)
[  517.869822][T10225]  ? br_multicast_flood (??:?)
[  517.869826][T10225]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  517.869829][T10225]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  517.869830][T10225]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  517.869832][T10225]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  517.869835][T10225]  br_init_port (net/bridge/br_stp_if.c:39)
[  517.869837][T10225]  new_nbp (net/bridge/br_if.c:449)
[  517.869839][T10225]  br_add_if (net/bridge/br_if.c:592)
[  517.869841][T10225]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  517.869845][T10225]  do_set_master (net/core/rtnetlink.c:3071)
[  517.869847][T10225]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  517.869849][T10225]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  517.869851][T10225]  ? __dev_get_by_name (net/core/dev.c:905)
[  517.869852][T10225]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  517.869857][T10225]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  517.869859][T10225]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  517.869861][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869863][T10225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.869864][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869866][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869867][T10225]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  517.869870][T10225]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  517.869872][T10225]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  517.869874][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869875][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869877][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869878][T10225]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.869880][T10225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  517.869882][T10225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  517.869883][T10225]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  517.869885][T10225]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  517.869888][T10225]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  517.869892][T10225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  517.869893][T10225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.869895][T10225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  517.869897][T10225]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  517.869900][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869901][T10225]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.869903][T10225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  517.869905][T10225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  517.869908][T10225]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  517.869910][T10225]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  517.869913][T10225]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  517.869916][T10225]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  517.869918][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869919][T10225]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  517.869923][T10225]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  517.869926][T10225]  ____sys_sendmsg (net/socket.c:2713)
[  517.869928][T10225]  ? copy_msghdr_from_user (net/socket.c:2650)
[  517.869930][T10225]  ? sock_write_iter (net/socket.c:1269)
[  517.869932][T10225]  ? move_addr_to_kernel (net/socket.c:258)
[  517.869934][T10225]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  517.869937][T10225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.869939][T10225]  ___sys_sendmsg (net/socket.c:2767)
[  517.869940][T10225]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  517.869942][T10225]  ? copy_msghdr_from_user (net/socket.c:2619)
[  517.869944][T10225]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  517.869949][T10225]  __sys_sendmsg (net/socket.c:2799)
[  517.869951][T10225]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  517.869954][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869955][T10225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.869957][T10225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  517.869959][T10225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  517.869962][T10225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  517.869964][T10225] RIP: 0033:0x7f68534e854e
[  517.869966][T10225] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  517.869968][T10225] RSP: 002b:00007ffcbb97d9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  517.869972][T10225] RAX: ffffffffffffffda RBX: 00007ffcbb97e1a8 RCX: 00007f68534e854e
[  517.869974][T10225] RDX: 0000000000000000 RSI: 00007ffcbb97da90 RDI: 0000000000000005
[  517.869975][T10225] RBP: 00007ffcbb97d9f0 R08: 0000000000000000 R09: 0000000000000000
[  517.869976][T10225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd0f
[  517.869976][T10225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbb97e160
| [  519.358772][T10294] softirqs last disabled at (0): 0x0
| [  519.358774][T10294] Preemption disabled at:
| [  519.358774][T10294] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.358785][T10294] Tainted: [W]=WARN
[  519.358786][T10294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.358787][T10294] Call Trace:
[  519.358789][T10294]  <TASK>
[  519.358790][T10294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.358796][T10294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.358797][T10294]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.358801][T10294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.358804][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358807][T10294]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  519.358810][T10294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  519.358813][T10294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.358818][T10294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  519.358820][T10294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.358823][T10294]  put_chars (drivers/char/virtio_console.c:1176)
[  519.358824][T10294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.358826][T10294]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  519.358828][T10294]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  519.358830][T10294]  ? pointer (lib/vsprintf.c:2577)
[  519.358834][T10294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.358839][T10294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.358840][T10294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  519.358842][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.358845][T10294]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.358848][T10294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.358850][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358851][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358852][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358853][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.358855][T10294]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  519.358857][T10294]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.358860][T10294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.358863][T10294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.358865][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.358866][T10294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.358868][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358869][T10294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  519.358871][T10294]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  519.358872][T10294]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  519.358874][T10294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.358876][T10294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.358877][T10294]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.358879][T10294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.358880][T10294]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  519.358883][T10294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  519.358886][T10294]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  519.358888][T10294]  _printk (kernel/printk/printk.c:2504)
[  519.358891][T10294]  ? snapshot_read.cold (user.c:?)
[  519.358893][T10294]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  519.358896][T10294]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.358899][T10294]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.358901][T10294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.358904][T10294]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.358907][T10294]  ? netdev_notice (net/core/dev.c:13194)
[  519.358909][T10294]  ? 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)
[  519.358911][T10294]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  519.358913][T10294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  519.358915][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358916][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358917][T10294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  519.358919][T10294]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  519.358920][T10294]  ? 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)
[  519.358922][T10294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.358923][T10294]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  519.358925][T10294]  ? register_netdev (net/core/dev.c:11618)
[  519.358926][T10294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  519.358928][T10294]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  519.358931][T10294]  ? __kernel_text_address (kernel/extable.c:79)
[  519.358934][T10294]  ? write_profile (profile.c:?)
[  519.358936][T10294]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  519.358940][T10294]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  519.358942][T10294]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  519.358944][T10294]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  519.358945][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358946][T10294]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  519.358950][T10294]  ? kasan_save_stack (mm/kasan/common.c:58)
[  519.358951][T10294]  ? kasan_save_stack (mm/kasan/common.c:57)
[  519.358952][T10294]  ? kasan_save_track (mm/kasan/common.c:78)
[  519.358954][T10294]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  519.358955][T10294]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  519.358956][T10294]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  519.358957][T10294]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.358959][T10294]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.358961][T10294]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.358963][T10294]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.358965][T10294]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.358967][T10294]  ? ____sys_sendmsg (net/socket.c:2713)
[  519.358969][T10294]  ? ___sys_sendmsg (net/socket.c:2767)
[  519.358970][T10294]  ? __sys_sendmsg (net/socket.c:2799)
[  519.358972][T10294]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.358974][T10294]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.358977][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358978][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.358980][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358981][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358982][T10294]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  519.358984][T10294]  ? __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)
[  519.358985][T10294]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  519.358986][T10294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  519.358988][T10294]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  519.358989][T10294]  ? nla_get_range_signed (lib/nlattr.c:270)
[  519.358992][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358994][T10294]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  519.358996][T10294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  519.358998][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.358999][T10294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.359000][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.359002][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.359003][T10294]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  519.359006][T10294]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  519.359007][T10294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  519.359009][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.359010][T10294]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  519.359013][T10294]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  519.359016][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.359017][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.359018][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.359020][T10294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  519.359021][T10294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  519.359023][T10294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.359024][T10294]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  519.359026][T10294]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  519.359028][T10294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  519.359030][T10294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  519.359031][T10294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  519.359033][T10294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  519.359035][T10294]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  519.359038][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.359039][T10294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  519.359041][T10294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  519.359044][T10294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  519.359046][T10294]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.359048][T10294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  519.359050][T10294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  519.359051][T10294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  519.359053][T10294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.359055][T10294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  519.359058][T10294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  519.359060][T10294]  ____sys_sendmsg (net/socket.c:2713)
[  519.359062][T10294]  ? copy_msghdr_from_user (net/socket.c:2650)
[  519.359064][T10294]  ? sock_write_iter (net/socket.c:1269)
[  519.359065][T10294]  ? move_addr_to_kernel (net/socket.c:258)
[  519.359067][T10294]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  519.359069][T10294]  ___sys_sendmsg (net/socket.c:2767)
[  519.359071][T10294]  ? copy_msghdr_from_user (net/socket.c:2619)
[  519.359076][T10294]  __sys_sendmsg (net/socket.c:2799)
[  519.359078][T10294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  519.359081][T10294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.359083][T10294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  519.359085][T10294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  519.359087][T10294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  519.359088][T10294] RIP: 0033:0x7f79236a754e
[  519.359090][T10294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  519.359093][T10294] RSP: 002b:00007ffdd276db40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  519.359096][T10294] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f79236a754e
[  519.359098][T10294] RDX: 0000000000000000 RSI: 00007ffdd276dbf0 RDI: 0000000000000005
[  519.359099][T10294] RBP: 00007ffdd276db50 R08: 0000000000000000 R09: 0000000000000000
[  519.359100][T10294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd10
[  519.359101][T10294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd276e2b0
| [  520.587804][T10344] softirqs last disabled at (0): 0x0
| [  520.587806][T10344] Preemption disabled at:
| [  520.587807][T10344] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.587817][T10344] Tainted: [W]=WARN
[  520.587819][T10344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.587820][T10344] Call Trace:
[  520.587822][T10344]  <TASK>
[  520.587823][T10344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.587829][T10344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.587831][T10344]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.587835][T10344]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  520.587837][T10344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.587841][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587844][T10344]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  520.587847][T10344]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.587850][T10344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.587855][T10344]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  520.587857][T10344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.587860][T10344]  put_chars (drivers/char/virtio_console.c:1176)
[  520.587862][T10344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.587863][T10344]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  520.587866][T10344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.587871][T10344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.587872][T10344]  ? vsnprintf (lib/vsprintf.c:2900)
[  520.587876][T10344]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.587878][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587879][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587881][T10344]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.587883][T10344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.587886][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587887][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587888][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587889][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.587892][T10344]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  520.587893][T10344]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.587896][T10344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.587899][T10344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.587901][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.587902][T10344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.587904][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587905][T10344]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.587907][T10344]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  520.587909][T10344]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  520.587910][T10344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.587912][T10344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.587914][T10344]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.587916][T10344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.587917][T10344]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.587919][T10344]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.587922][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.587923][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587925][T10344]  _printk (kernel/printk/printk.c:2504)
[  520.587928][T10344]  ? snapshot_read.cold (user.c:?)
[  520.587930][T10344]  ? br_multicast_flood (??:?)
[  520.587933][T10344]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.587936][T10344]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.587937][T10344]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.587939][T10344]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  520.587942][T10344]  br_init_port (net/bridge/br_stp_if.c:39)
[  520.587944][T10344]  new_nbp (net/bridge/br_if.c:449)
[  520.587946][T10344]  br_add_if (net/bridge/br_if.c:592)
[  520.587948][T10344]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  520.587952][T10344]  do_set_master (net/core/rtnetlink.c:3071)
[  520.587954][T10344]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.587956][T10344]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  520.587958][T10344]  ? __dev_get_by_name (net/core/dev.c:905)
[  520.587959][T10344]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  520.587963][T10344]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.587966][T10344]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.587968][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587969][T10344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.587971][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.587972][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587974][T10344]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  520.587976][T10344]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  520.587978][T10344]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  520.587980][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587982][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.587983][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.587985][T10344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.587986][T10344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.587988][T10344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.587989][T10344]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.587991][T10344]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  520.587995][T10344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.587998][T10344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.587999][T10344]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.588001][T10344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.588002][T10344]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  520.588005][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.588007][T10344]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.588009][T10344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.588011][T10344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.588013][T10344]  ? next_uptodate_folio (mm/filemap.c:3747)
[  520.588016][T10344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.588018][T10344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.588021][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.588022][T10344]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.588026][T10344]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.588029][T10344]  ____sys_sendmsg (net/socket.c:2713)
[  520.588031][T10344]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.588032][T10344]  ? sock_write_iter (net/socket.c:1269)
[  520.588034][T10344]  ? move_addr_to_kernel (net/socket.c:258)
[  520.588036][T10344]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  520.588039][T10344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.588041][T10344]  ___sys_sendmsg (net/socket.c:2767)
[  520.588042][T10344]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  520.588044][T10344]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.588046][T10344]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  520.588051][T10344]  __sys_sendmsg (net/socket.c:2799)
[  520.588053][T10344]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.588056][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.588057][T10344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.588059][T10344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.588061][T10344]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.588063][T10344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.588066][T10344] RIP: 0033:0x7f551f85354e
[  520.588067][T10344] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  520.588070][T10344] RSP: 002b:00007ffcbc2d9cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.588073][T10344] RAX: ffffffffffffffda RBX: 00007ffcbc2da498 RCX: 00007f551f85354e
[  520.588075][T10344] RDX: 0000000000000000 RSI: 00007ffcbc2d9d80 RDI: 0000000000000005
[  520.588076][T10344] RBP: 00007ffcbc2d9ce0 R08: 0000000000000000 R09: 0000000000000000
[  520.588077][T10344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd12
[  520.588078][T10344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbc2da450
| [  527.576038][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  527.576041][   T68] Preemption disabled at:
| [  527.576042][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  527.576056][   T68] Tainted: [W]=WARN
[  527.576058][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  527.576060][   T68] Workqueue: netns cleanup_net
[  527.576067][   T68] Call Trace:
[  527.576069][   T68]  <TASK>
[  527.576071][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  527.576078][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  527.576080][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  527.576085][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  527.576088][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  527.576093][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576096][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  527.576100][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  527.576104][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  527.576110][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  527.576113][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  527.576116][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  527.576119][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  527.576122][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  527.576126][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  527.576132][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  527.576135][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  527.576138][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  527.576141][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576143][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576146][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  527.576150][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  527.576153][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576155][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576157][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576159][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  527.576163][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  527.576166][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  527.576169][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  527.576174][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  527.576176][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  527.576179][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  527.576182][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576184][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  527.576186][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  527.576189][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  527.576192][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  527.576195][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  527.576197][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  527.576200][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  527.576203][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  527.576205][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  527.576209][   T68]  ? kthread (kernel/kthread.c:436)
[  527.576212][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  527.576215][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  527.576219][   T68]  _printk (kernel/printk/printk.c:2504)
[  527.576223][   T68]  ? snapshot_read.cold (user.c:?)
[  527.576226][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  527.576230][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  527.576234][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  527.576237][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  527.576241][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576243][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  527.576245][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  527.576249][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  527.576251][   T68]  ? 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)
[  527.576254][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  527.576258][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  527.576261][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  527.576266][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  527.576270][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  527.576273][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  527.576277][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  527.576280][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  527.576284][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  527.576287][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  527.576290][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  527.576293][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  527.576295][   T68]  process_one_work (kernel/workqueue.c:3387)
[  527.576300][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  527.576304][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  527.576308][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  527.576312][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  527.576315][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  527.576318][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  527.576321][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  527.576324][   T68]  kthread (kernel/kthread.c:436)
[  527.576326][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  527.576329][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  527.576332][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  527.576335][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  527.576338][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  527.576342][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  527.576345][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  528.881724][T10506] softirqs last disabled at (0): 0x0
| [  528.881726][T10506] Preemption disabled at:
| [  528.881727][T10506] vprintk_emit (kernel/printk/printk.c:2471)
| [  528.881737][T10506] Tainted: [W]=WARN
[  528.881738][T10506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  528.881740][T10506] Call Trace:
[  528.881742][T10506]  <TASK>
[  528.881743][T10506]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  528.881750][T10506]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  528.881751][T10506]  __might_resched.cold (kernel/sched/core.c:9234)
[  528.881755][T10506]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  528.881757][T10506]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  528.881766][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881769][T10506]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  528.881771][T10506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.881774][T10506]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.881780][T10506]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  528.881782][T10506]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.881785][T10506]  put_chars (drivers/char/virtio_console.c:1176)
[  528.881787][T10506]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  528.881788][T10506]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  528.881791][T10506]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  528.881796][T10506]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  528.881798][T10506]  ? vsnprintf (lib/vsprintf.c:2900)
[  528.881801][T10506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.881803][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881804][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881806][T10506]  console_emit_next_record (kernel/printk/printk.c:3183)
[  528.881809][T10506]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  528.881811][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881812][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881815][T10506]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  528.881817][T10506]  console_flush_one_record (kernel/printk/printk.c:3268)
[  528.881819][T10506]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  528.881822][T10506]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  528.881824][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881826][T10506]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  528.881828][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881829][T10506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  528.881830][T10506]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  528.881832][T10506]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  528.881833][T10506]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  528.881836][T10506]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  528.881837][T10506]  vprintk_emit (kernel/printk/printk.c:2479)
[  528.881839][T10506]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  528.881840][T10506]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.881842][T10506]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  528.881845][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881847][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881848][T10506]  _printk (kernel/printk/printk.c:2504)
[  528.881851][T10506]  ? snapshot_read.cold (user.c:?)
[  528.881854][T10506]  ? br_multicast_flood (??:?)
[  528.881857][T10506]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  528.881860][T10506]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  528.881861][T10506]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  528.881863][T10506]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  528.881866][T10506]  br_init_port (net/bridge/br_stp_if.c:39)
[  528.881868][T10506]  new_nbp (net/bridge/br_if.c:449)
[  528.881870][T10506]  br_add_if (net/bridge/br_if.c:592)
[  528.881872][T10506]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  528.881876][T10506]  do_set_master (net/core/rtnetlink.c:3071)
[  528.881878][T10506]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  528.881880][T10506]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  528.881882][T10506]  ? __dev_get_by_name (net/core/dev.c:905)
[  528.881884][T10506]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  528.881888][T10506]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  528.881890][T10506]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  528.881892][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881894][T10506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.881895][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881897][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881898][T10506]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  528.881901][T10506]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  528.881903][T10506]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  528.881905][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881907][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881908][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881909][T10506]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  528.881911][T10506]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  528.881913][T10506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.881914][T10506]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  528.881916][T10506]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  528.881920][T10506]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  528.881923][T10506]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  528.881925][T10506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  528.881927][T10506]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  528.881928][T10506]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  528.881931][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881933][T10506]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  528.881935][T10506]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  528.881937][T10506]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  528.881939][T10506]  ? next_uptodate_folio (mm/filemap.c:3747)
[  528.881942][T10506]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  528.881945][T10506]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  528.881947][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881948][T10506]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  528.881952][T10506]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  528.881955][T10506]  ____sys_sendmsg (net/socket.c:2713)
[  528.881957][T10506]  ? copy_msghdr_from_user (net/socket.c:2650)
[  528.881959][T10506]  ? sock_write_iter (net/socket.c:1269)
[  528.881960][T10506]  ? move_addr_to_kernel (net/socket.c:258)
[  528.881963][T10506]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  528.881965][T10506]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.881967][T10506]  ___sys_sendmsg (net/socket.c:2767)
[  528.881969][T10506]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  528.881971][T10506]  ? copy_msghdr_from_user (net/socket.c:2619)
[  528.881973][T10506]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  528.881978][T10506]  __sys_sendmsg (net/socket.c:2799)
[  528.881980][T10506]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  528.881983][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881984][T10506]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.881985][T10506]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  528.881988][T10506]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  528.881991][T10506]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  528.881993][T10506] RIP: 0033:0x7fb4b4f9554e
[  528.881995][T10506] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  528.881997][T10506] RSP: 002b:00007ffe452de3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  528.882001][T10506] RAX: ffffffffffffffda RBX: 00007ffe452deba8 RCX: 00007fb4b4f9554e
[  528.882003][T10506] RDX: 0000000000000000 RSI: 00007ffe452de490 RDI: 0000000000000005
[  528.882004][T10506] RBP: 00007ffe452de3f0 R08: 0000000000000000 R09: 0000000000000000
[  528.882005][T10506] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd1a
[  528.882006][T10506] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe452deb60
| [  530.470877][T10575] softirqs last disabled at (0): 0x0
| [  530.470880][T10575] Preemption disabled at:
| [  530.470880][T10575] vprintk_emit (kernel/printk/printk.c:2471)
| [  530.470891][T10575] Tainted: [W]=WARN
[  530.470892][T10575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  530.470894][T10575] Call Trace:
[  530.470896][T10575]  <TASK>
[  530.470898][T10575]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  530.470903][T10575]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  530.470905][T10575]  __might_resched.cold (kernel/sched/core.c:9234)
[  530.470909][T10575]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  530.470913][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.470915][T10575]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  530.470918][T10575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.470921][T10575]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  530.470927][T10575]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  530.470928][T10575]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  530.470931][T10575]  put_chars (drivers/char/virtio_console.c:1176)
[  530.470933][T10575]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  530.470934][T10575]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  530.470936][T10575]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  530.470939][T10575]  ? pointer (lib/vsprintf.c:2577)
[  530.470942][T10575]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  530.470947][T10575]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  530.470949][T10575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.470951][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.470954][T10575]  console_emit_next_record (kernel/printk/printk.c:3183)
[  530.470956][T10575]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  530.470959][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.470960][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.470961][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.470962][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.470964][T10575]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  530.470966][T10575]  console_flush_one_record (kernel/printk/printk.c:3268)
[  530.470968][T10575]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  530.470971][T10575]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  530.470973][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.470975][T10575]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  530.470977][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.470978][T10575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.470979][T10575]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  530.470981][T10575]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  530.470982][T10575]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  530.470985][T10575]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  530.470986][T10575]  vprintk_emit (kernel/printk/printk.c:2479)
[  530.470988][T10575]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  530.470989][T10575]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  530.470991][T10575]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  530.470994][T10575]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  530.470997][T10575]  _printk (kernel/printk/printk.c:2504)
[  530.471000][T10575]  ? snapshot_read.cold (user.c:?)
[  530.471002][T10575]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  530.471004][T10575]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  530.471007][T10575]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  530.471009][T10575]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  530.471013][T10575]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  530.471015][T10575]  ? netdev_notice (net/core/dev.c:13194)
[  530.471017][T10575]  ? 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)
[  530.471019][T10575]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  530.471021][T10575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.471023][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471024][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471025][T10575]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  530.471027][T10575]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  530.471028][T10575]  ? 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)
[  530.471030][T10575]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  530.471031][T10575]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  530.471033][T10575]  ? register_netdev (net/core/dev.c:11618)
[  530.471034][T10575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.471036][T10575]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  530.471040][T10575]  ? __kernel_text_address (kernel/extable.c:79)
[  530.471042][T10575]  ? write_profile (profile.c:?)
[  530.471045][T10575]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  530.471049][T10575]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  530.471051][T10575]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  530.471053][T10575]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  530.471054][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471055][T10575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  530.471059][T10575]  ? kasan_save_stack (mm/kasan/common.c:58)
[  530.471060][T10575]  ? kasan_save_stack (mm/kasan/common.c:57)
[  530.471061][T10575]  ? kasan_save_track (mm/kasan/common.c:78)
[  530.471063][T10575]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  530.471064][T10575]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  530.471065][T10575]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  530.471066][T10575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  530.471067][T10575]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  530.471070][T10575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  530.471072][T10575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  530.471074][T10575]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  530.471076][T10575]  ? ____sys_sendmsg (net/socket.c:2713)
[  530.471078][T10575]  ? ___sys_sendmsg (net/socket.c:2767)
[  530.471079][T10575]  ? __sys_sendmsg (net/socket.c:2799)
[  530.471081][T10575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  530.471083][T10575]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  530.471086][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471087][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.471089][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471090][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471091][T10575]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  530.471092][T10575]  ? __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)
[  530.471093][T10575]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  530.471095][T10575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  530.471096][T10575]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  530.471098][T10575]  ? nla_get_range_signed (lib/nlattr.c:270)
[  530.471101][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471102][T10575]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  530.471105][T10575]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  530.471107][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471108][T10575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  530.471109][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.471111][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471112][T10575]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  530.471115][T10575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  530.471116][T10575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  530.471117][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471119][T10575]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  530.471122][T10575]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  530.471124][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471126][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.471127][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471128][T10575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  530.471130][T10575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  530.471132][T10575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  530.471133][T10575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  530.471135][T10575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  530.471137][T10575]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  530.471139][T10575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  530.471140][T10575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.471142][T10575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  530.471144][T10575]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  530.471147][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471148][T10575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.471150][T10575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  530.471153][T10575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  530.471154][T10575]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  530.471156][T10575]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  530.471159][T10575]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  530.471160][T10575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  530.471162][T10575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.471164][T10575]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  530.471167][T10575]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  530.471169][T10575]  ____sys_sendmsg (net/socket.c:2713)
[  530.471171][T10575]  ? copy_msghdr_from_user (net/socket.c:2650)
[  530.471172][T10575]  ? sock_write_iter (net/socket.c:1269)
[  530.471174][T10575]  ? move_addr_to_kernel (net/socket.c:258)
[  530.471176][T10575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  530.471178][T10575]  ___sys_sendmsg (net/socket.c:2767)
[  530.471180][T10575]  ? copy_msghdr_from_user (net/socket.c:2619)
[  530.471185][T10575]  __sys_sendmsg (net/socket.c:2799)
[  530.471187][T10575]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  530.471190][T10575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.471192][T10575]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  530.471194][T10575]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  530.471196][T10575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  530.471197][T10575] RIP: 0033:0x7fc6edb4a54e
[  530.471199][T10575] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  530.471201][T10575] RSP: 002b:00007ffd4ad6a8c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  530.471205][T10575] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc6edb4a54e
[  530.471207][T10575] RDX: 0000000000000000 RSI: 00007ffd4ad6a970 RDI: 0000000000000005
[  530.471208][T10575] RBP: 00007ffd4ad6a8d0 R08: 0000000000000000 R09: 0000000000000000
[  530.471209][T10575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd1b
[  530.471210][T10575] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4ad6b030
| [  531.898121][T10632] softirqs last disabled at (0): 0x0
| [  531.898124][T10632] Preemption disabled at:
| [  531.898125][T10632] vprintk_emit (kernel/printk/printk.c:2471)
| [  531.898139][T10632] Tainted: [W]=WARN
[  531.898140][T10632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  531.898143][T10632] Call Trace:
[  531.898145][T10632]  <TASK>
[  531.898147][T10632]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  531.898154][T10632]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  531.898156][T10632]  __might_resched.cold (kernel/sched/core.c:9234)
[  531.898160][T10632]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  531.898164][T10632]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  531.898168][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898172][T10632]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  531.898176][T10632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.898180][T10632]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.898186][T10632]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  531.898189][T10632]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.898193][T10632]  put_chars (drivers/char/virtio_console.c:1176)
[  531.898196][T10632]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  531.898199][T10632]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  531.898203][T10632]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  531.898210][T10632]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  531.898213][T10632]  ? vsnprintf (lib/vsprintf.c:2900)
[  531.898217][T10632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.898220][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898222][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898225][T10632]  console_emit_next_record (kernel/printk/printk.c:3183)
[  531.898229][T10632]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  531.898233][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898235][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898237][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898239][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898243][T10632]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  531.898246][T10632]  console_flush_one_record (kernel/printk/printk.c:3268)
[  531.898249][T10632]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  531.898254][T10632]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  531.898257][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898260][T10632]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  531.898262][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898265][T10632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.898267][T10632]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  531.898270][T10632]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  531.898272][T10632]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  531.898276][T10632]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  531.898278][T10632]  vprintk_emit (kernel/printk/printk.c:2479)
[  531.898281][T10632]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  531.898284][T10632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.898286][T10632]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  531.898290][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898293][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898296][T10632]  _printk (kernel/printk/printk.c:2504)
[  531.898300][T10632]  ? snapshot_read.cold (user.c:?)
[  531.898303][T10632]  ? br_multicast_flood (??:?)
[  531.898308][T10632]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  531.898312][T10632]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  531.898314][T10632]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  531.898317][T10632]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  531.898322][T10632]  br_init_port (net/bridge/br_stp_if.c:39)
[  531.898325][T10632]  new_nbp (net/bridge/br_if.c:449)
[  531.898328][T10632]  br_add_if (net/bridge/br_if.c:592)
[  531.898331][T10632]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  531.898337][T10632]  do_set_master (net/core/rtnetlink.c:3071)
[  531.898341][T10632]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  531.898344][T10632]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  531.898346][T10632]  ? __dev_get_by_name (net/core/dev.c:905)
[  531.898349][T10632]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  531.898355][T10632]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  531.898359][T10632]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  531.898363][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898365][T10632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  531.898368][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898370][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898373][T10632]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  531.898377][T10632]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  531.898380][T10632]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  531.898383][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898385][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898388][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898390][T10632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  531.898393][T10632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  531.898396][T10632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  531.898398][T10632]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  531.898401][T10632]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  531.898407][T10632]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  531.898411][T10632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  531.898414][T10632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.898416][T10632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  531.898419][T10632]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  531.898424][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898426][T10632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.898429][T10632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  531.898433][T10632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  531.898436][T10632]  ? next_uptodate_folio (mm/filemap.c:3747)
[  531.898441][T10632]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  531.898444][T10632]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  531.898448][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898450][T10632]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  531.898455][T10632]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  531.898459][T10632]  ____sys_sendmsg (net/socket.c:2713)
[  531.898462][T10632]  ? copy_msghdr_from_user (net/socket.c:2650)
[  531.898465][T10632]  ? sock_write_iter (net/socket.c:1269)
[  531.898467][T10632]  ? move_addr_to_kernel (net/socket.c:258)
[  531.898471][T10632]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  531.898474][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.898478][T10632]  ___sys_sendmsg (net/socket.c:2767)
[  531.898480][T10632]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  531.898483][T10632]  ? copy_msghdr_from_user (net/socket.c:2619)
[  531.898486][T10632]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  531.898494][T10632]  __sys_sendmsg (net/socket.c:2799)
[  531.898497][T10632]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  531.898501][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898504][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.898507][T10632]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  531.898510][T10632]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  531.898514][T10632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  531.898517][T10632] RIP: 0033:0x7f95b4bc354e
[  531.898521][T10632] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  531.898524][T10632] RSP: 002b:00007ffe9bd622b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  531.898529][T10632] RAX: ffffffffffffffda RBX: 00007ffe9bd62a78 RCX: 00007f95b4bc354e
[  531.898531][T10632] RDX: 0000000000000000 RSI: 00007ffe9bd62360 RDI: 0000000000000005
[  531.898533][T10632] RBP: 00007ffe9bd622c0 R08: 0000000000000000 R09: 0000000000000000
[  531.898535][T10632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd1d
[  531.898537][T10632] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9bd62a30
| [  538.935758][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  538.935763][   T68] Preemption disabled at:
| [  538.935764][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  538.935781][   T68] Tainted: [W]=WARN
[  538.935783][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  538.935786][   T68] Workqueue: netns cleanup_net
[  538.935794][   T68] Call Trace:
[  538.935797][   T68]  <TASK>
[  538.935800][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  538.935808][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  538.935811][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  538.935816][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  538.935820][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  538.935832][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935836][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  538.935841][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  538.935846][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.935854][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  538.935858][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  538.935862][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  538.935866][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  538.935870][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  538.935875][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  538.935882][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  538.935886][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  538.935890][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  538.935893][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935896][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935900][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  538.935905][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  538.935909][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935911][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935914][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935917][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.935921][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  538.935925][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  538.935930][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  538.935936][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  538.935939][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.935943][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  538.935946][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.935949][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  538.935952][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  538.935955][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  538.935959][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  538.935963][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  538.935966][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  538.935970][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  538.935972][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  538.935975][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  538.935980][   T68]  ? kthread (kernel/kthread.c:436)
[  538.935984][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  538.935988][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  538.935993][   T68]  _printk (kernel/printk/printk.c:2504)
[  538.935998][   T68]  ? snapshot_read.cold (user.c:?)
[  538.936003][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  538.936008][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  538.936012][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  538.936016][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  538.936021][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.936024][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  538.936026][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  538.936031][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  538.936034][   T68]  ? 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)
[  538.936038][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  538.936042][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  538.936046][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  538.936053][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  538.936057][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  538.936061][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  538.936066][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  538.936070][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  538.936075][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  538.936079][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  538.936083][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  538.936086][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  538.936090][   T68]  process_one_work (kernel/workqueue.c:3387)
[  538.936096][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  538.936101][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  538.936106][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  538.936111][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  538.936115][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  538.936118][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  538.936122][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  538.936126][   T68]  kthread (kernel/kthread.c:436)
[  538.936129][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  538.936132][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  538.936136][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  538.936139][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  538.936144][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  538.936149][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  538.936153][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  540.413186][T10795] softirqs last disabled at (0): 0x0
| [  540.413188][T10795] Preemption disabled at:
| [  540.413189][T10795] vprintk_emit (kernel/printk/printk.c:2471)
| [  540.413200][T10795] Tainted: [W]=WARN
[  540.413201][T10795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  540.413203][T10795] Call Trace:
[  540.413204][T10795]  <TASK>
[  540.413206][T10795]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  540.413212][T10795]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  540.413213][T10795]  __might_resched.cold (kernel/sched/core.c:9234)
[  540.413217][T10795]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  540.413219][T10795]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  540.413223][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413226][T10795]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  540.413229][T10795]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.413232][T10795]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.413238][T10795]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  540.413239][T10795]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.413242][T10795]  put_chars (drivers/char/virtio_console.c:1176)
[  540.413244][T10795]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  540.413246][T10795]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  540.413248][T10795]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  540.413253][T10795]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  540.413255][T10795]  ? vsnprintf (lib/vsprintf.c:2900)
[  540.413258][T10795]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.413260][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413261][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413263][T10795]  console_emit_next_record (kernel/printk/printk.c:3183)
[  540.413266][T10795]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  540.413268][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413269][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413270][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413272][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413274][T10795]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  540.413276][T10795]  console_flush_one_record (kernel/printk/printk.c:3268)
[  540.413278][T10795]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  540.413281][T10795]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  540.413283][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413285][T10795]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  540.413287][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413288][T10795]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  540.413290][T10795]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  540.413291][T10795]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  540.413293][T10795]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  540.413295][T10795]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  540.413296][T10795]  vprintk_emit (kernel/printk/printk.c:2479)
[  540.413298][T10795]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  540.413300][T10795]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.413301][T10795]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  540.413305][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413306][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413308][T10795]  _printk (kernel/printk/printk.c:2504)
[  540.413311][T10795]  ? snapshot_read.cold (user.c:?)
[  540.413313][T10795]  ? br_multicast_flood (??:?)
[  540.413317][T10795]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  540.413319][T10795]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  540.413320][T10795]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  540.413322][T10795]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  540.413325][T10795]  br_init_port (net/bridge/br_stp_if.c:39)
[  540.413327][T10795]  new_nbp (net/bridge/br_if.c:449)
[  540.413329][T10795]  br_add_if (net/bridge/br_if.c:592)
[  540.413331][T10795]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  540.413335][T10795]  do_set_master (net/core/rtnetlink.c:3071)
[  540.413337][T10795]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  540.413339][T10795]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  540.413341][T10795]  ? __dev_get_by_name (net/core/dev.c:905)
[  540.413342][T10795]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  540.413347][T10795]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  540.413349][T10795]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  540.413351][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413353][T10795]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  540.413354][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413356][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413357][T10795]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  540.413360][T10795]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  540.413362][T10795]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  540.413364][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413365][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413367][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413368][T10795]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  540.413370][T10795]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  540.413371][T10795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  540.413373][T10795]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  540.413374][T10795]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  540.413379][T10795]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  540.413381][T10795]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  540.413383][T10795]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  540.413385][T10795]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  540.413386][T10795]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  540.413390][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413391][T10795]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  540.413393][T10795]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  540.413395][T10795]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  540.413398][T10795]  ? next_uptodate_folio (mm/filemap.c:3747)
[  540.413401][T10795]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  540.413403][T10795]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  540.413405][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413407][T10795]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  540.413410][T10795]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  540.413414][T10795]  ____sys_sendmsg (net/socket.c:2713)
[  540.413415][T10795]  ? copy_msghdr_from_user (net/socket.c:2650)
[  540.413417][T10795]  ? sock_write_iter (net/socket.c:1269)
[  540.413418][T10795]  ? move_addr_to_kernel (net/socket.c:258)
[  540.413421][T10795]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  540.413423][T10795]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.413425][T10795]  ___sys_sendmsg (net/socket.c:2767)
[  540.413427][T10795]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  540.413429][T10795]  ? copy_msghdr_from_user (net/socket.c:2619)
[  540.413431][T10795]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  540.413436][T10795]  __sys_sendmsg (net/socket.c:2799)
[  540.413438][T10795]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  540.413440][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413442][T10795]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.413443][T10795]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  540.413446][T10795]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  540.413448][T10795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  540.413450][T10795] RIP: 0033:0x7fa1c656854e
[  540.413452][T10795] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  540.413454][T10795] RSP: 002b:00007ffe203684c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  540.413458][T10795] RAX: ffffffffffffffda RBX: 00007ffe20368c88 RCX: 00007fa1c656854e
[  540.413459][T10795] RDX: 0000000000000000 RSI: 00007ffe20368570 RDI: 0000000000000005
[  540.413460][T10795] RBP: 00007ffe203684d0 R08: 0000000000000000 R09: 0000000000000000
[  540.413461][T10795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd25
[  540.413462][T10795] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe20368c40
| [  542.294306][T10863] softirqs last disabled at (0): 0x0
| [  542.294309][T10863] Preemption disabled at:
| [  542.294310][T10863] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.294324][T10863] Tainted: [W]=WARN
[  542.294325][T10863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.294328][T10863] Call Trace:
[  542.294330][T10863]  <TASK>
[  542.294332][T10863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.294338][T10863]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.294341][T10863]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.294346][T10863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.294350][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294354][T10863]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  542.294358][T10863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.294362][T10863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.294369][T10863]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  542.294371][T10863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.294376][T10863]  put_chars (drivers/char/virtio_console.c:1176)
[  542.294379][T10863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.294381][T10863]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  542.294385][T10863]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  542.294388][T10863]  ? pointer (lib/vsprintf.c:2577)
[  542.294393][T10863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.294399][T10863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.294402][T10863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.294405][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294409][T10863]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.294414][T10863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.294417][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294419][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294421][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294423][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294427][T10863]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  542.294430][T10863]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.294434][T10863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.294438][T10863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.294441][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294444][T10863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.294447][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294449][T10863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.294451][T10863]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  542.294454][T10863]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  542.294457][T10863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.294460][T10863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.294463][T10863]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.294466][T10863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.294468][T10863]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  542.294471][T10863]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  542.294476][T10863]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  542.294480][T10863]  _printk (kernel/printk/printk.c:2504)
[  542.294484][T10863]  ? snapshot_read.cold (user.c:?)
[  542.294488][T10863]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  542.294491][T10863]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  542.294496][T10863]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  542.294499][T10863]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.294503][T10863]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  542.294507][T10863]  ? netdev_notice (net/core/dev.c:13194)
[  542.294511][T10863]  ? 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)
[  542.294513][T10863]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  542.294517][T10863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.294519][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294522][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294524][T10863]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  542.294526][T10863]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  542.294529][T10863]  ? 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)
[  542.294532][T10863]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.294535][T10863]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  542.294538][T10863]  ? register_netdev (net/core/dev.c:11618)
[  542.294540][T10863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.294543][T10863]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  542.294547][T10863]  ? __kernel_text_address (kernel/extable.c:79)
[  542.294551][T10863]  ? write_profile (profile.c:?)
[  542.294555][T10863]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  542.294561][T10863]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.294564][T10863]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  542.294567][T10863]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  542.294569][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294571][T10863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  542.294577][T10863]  ? kasan_save_stack (mm/kasan/common.c:58)
[  542.294579][T10863]  ? kasan_save_stack (mm/kasan/common.c:57)
[  542.294582][T10863]  ? kasan_save_track (mm/kasan/common.c:78)
[  542.294584][T10863]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  542.294586][T10863]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  542.294588][T10863]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  542.294590][T10863]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.294593][T10863]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.294597][T10863]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.294599][T10863]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.294602][T10863]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.294605][T10863]  ? ____sys_sendmsg (net/socket.c:2713)
[  542.294608][T10863]  ? ___sys_sendmsg (net/socket.c:2767)
[  542.294610][T10863]  ? __sys_sendmsg (net/socket.c:2799)
[  542.294613][T10863]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.294616][T10863]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.294620][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294622][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294625][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294626][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294629][T10863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  542.294631][T10863]  ? __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)
[  542.294633][T10863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  542.294636][T10863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  542.294639][T10863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  542.294641][T10863]  ? nla_get_range_signed (lib/nlattr.c:270)
[  542.294645][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294648][T10863]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  542.294652][T10863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.294655][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294658][T10863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.294660][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294662][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294665][T10863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  542.294668][T10863]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  542.294671][T10863]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  542.294674][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294676][T10863]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  542.294680][T10863]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  542.294686][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294689][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294692][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294694][T10863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.294697][T10863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.294700][T10863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.294703][T10863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.294706][T10863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  542.294711][T10863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.294714][T10863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.294717][T10863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.294720][T10863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.294723][T10863]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  542.294728][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294731][T10863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.294735][T10863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.294738][T10863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.294742][T10863]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.294745][T10863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.294749][T10863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.294752][T10863]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  542.294755][T10863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.294757][T10863]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  542.294762][T10863]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.294765][T10863]  ____sys_sendmsg (net/socket.c:2713)
[  542.294768][T10863]  ? copy_msghdr_from_user (net/socket.c:2650)
[  542.294771][T10863]  ? sock_write_iter (net/socket.c:1269)
[  542.294774][T10863]  ? move_addr_to_kernel (net/socket.c:258)
[  542.294776][T10863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.294782][T10863]  ___sys_sendmsg (net/socket.c:2767)
[  542.294785][T10863]  ? copy_msghdr_from_user (net/socket.c:2619)
[  542.294795][T10863]  __sys_sendmsg (net/socket.c:2799)
[  542.294798][T10863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  542.294803][T10863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.294806][T10863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.294809][T10863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.294812][T10863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.294815][T10863] RIP: 0033:0x7ff41a39954e
[  542.294818][T10863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  542.294822][T10863] RSP: 002b:00007ffffd27cb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  542.294826][T10863] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff41a39954e
[  542.294829][T10863] RDX: 0000000000000000 RSI: 00007ffffd27cc10 RDI: 0000000000000005
[  542.294831][T10863] RBP: 00007ffffd27cb70 R08: 0000000000000000 R09: 0000000000000000
[  542.294832][T10863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd27
[  542.294834][T10863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffd27d2d0
| [  543.782629][T10921] softirqs last disabled at (0): 0x0
| [  543.782631][T10921] Preemption disabled at:
| [  543.782632][T10921] vprintk_emit (kernel/printk/printk.c:2471)
| [  543.782643][T10921] Tainted: [W]=WARN
[  543.782644][T10921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  543.782646][T10921] Call Trace:
[  543.782647][T10921]  <TASK>
[  543.782649][T10921]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  543.782655][T10921]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  543.782656][T10921]  __might_resched.cold (kernel/sched/core.c:9234)
[  543.782660][T10921]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  543.782662][T10921]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  543.782666][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782669][T10921]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  543.782672][T10921]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.782675][T10921]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.782680][T10921]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  543.782685][T10921]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.782689][T10921]  put_chars (drivers/char/virtio_console.c:1176)
[  543.782691][T10921]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  543.782693][T10921]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  543.782696][T10921]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  543.782700][T10921]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  543.782702][T10921]  ? vsnprintf (lib/vsprintf.c:2900)
[  543.782706][T10921]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.782707][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782709][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782710][T10921]  console_emit_next_record (kernel/printk/printk.c:3183)
[  543.782713][T10921]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  543.782716][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782717][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782718][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782719][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782722][T10921]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  543.782724][T10921]  console_flush_one_record (kernel/printk/printk.c:3268)
[  543.782726][T10921]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  543.782729][T10921]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  543.782731][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782733][T10921]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  543.782735][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782736][T10921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.782737][T10921]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  543.782739][T10921]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  543.782741][T10921]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  543.782743][T10921]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  543.782744][T10921]  vprintk_emit (kernel/printk/printk.c:2479)
[  543.782746][T10921]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  543.782748][T10921]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.782749][T10921]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.782752][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782754][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782756][T10921]  _printk (kernel/printk/printk.c:2504)
[  543.782759][T10921]  ? snapshot_read.cold (user.c:?)
[  543.782761][T10921]  ? br_multicast_flood (??:?)
[  543.782764][T10921]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  543.782767][T10921]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  543.782768][T10921]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.782770][T10921]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  543.782773][T10921]  br_init_port (net/bridge/br_stp_if.c:39)
[  543.782775][T10921]  new_nbp (net/bridge/br_if.c:449)
[  543.782777][T10921]  br_add_if (net/bridge/br_if.c:592)
[  543.782779][T10921]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  543.782783][T10921]  do_set_master (net/core/rtnetlink.c:3071)
[  543.782786][T10921]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  543.782787][T10921]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  543.782789][T10921]  ? __dev_get_by_name (net/core/dev.c:905)
[  543.782791][T10921]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  543.782795][T10921]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  543.782797][T10921]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.782799][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782801][T10921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.782802][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782804][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782805][T10921]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  543.782808][T10921]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  543.782809][T10921]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  543.782812][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782813][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782815][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782816][T10921]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.782817][T10921]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  543.782819][T10921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.782821][T10921]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.782822][T10921]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  543.782826][T10921]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.782829][T10921]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.782830][T10921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.782832][T10921]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  543.782834][T10921]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  543.782837][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782838][T10921]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.782840][T10921]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.782843][T10921]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  543.782845][T10921]  ? next_uptodate_folio (mm/filemap.c:3747)
[  543.782848][T10921]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.782850][T10921]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  543.782852][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782854][T10921]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  543.782862][T10921]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.782866][T10921]  ____sys_sendmsg (net/socket.c:2713)
[  543.782867][T10921]  ? copy_msghdr_from_user (net/socket.c:2650)
[  543.782869][T10921]  ? sock_write_iter (net/socket.c:1269)
[  543.782871][T10921]  ? move_addr_to_kernel (net/socket.c:258)
[  543.782873][T10921]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  543.782875][T10921]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.782878][T10921]  ___sys_sendmsg (net/socket.c:2767)
[  543.782879][T10921]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  543.782881][T10921]  ? copy_msghdr_from_user (net/socket.c:2619)
[  543.782883][T10921]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  543.782888][T10921]  __sys_sendmsg (net/socket.c:2799)
[  543.782890][T10921]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  543.782892][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782894][T10921]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.782895][T10921]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.782898][T10921]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  543.782900][T10921]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.782902][T10921] RIP: 0033:0x7feb435c054e
[  543.782904][T10921] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  543.782906][T10921] RSP: 002b:00007ffd56464810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  543.782910][T10921] RAX: ffffffffffffffda RBX: 00007ffd56464fd8 RCX: 00007feb435c054e
[  543.782912][T10921] RDX: 0000000000000000 RSI: 00007ffd564648c0 RDI: 0000000000000005
[  543.782913][T10921] RBP: 00007ffd56464820 R08: 0000000000000000 R09: 0000000000000000
[  543.782914][T10921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd29
[  543.782915][T10921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd56464f90
| [  550.805419][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  550.805421][   T68] Preemption disabled at:
| [  550.805422][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  550.805434][   T68] Tainted: [W]=WARN
[  550.805435][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  550.805437][   T68] Workqueue: netns cleanup_net
[  550.805442][   T68] Call Trace:
[  550.805444][   T68]  <TASK>
[  550.805446][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  550.805452][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  550.805453][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  550.805457][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  550.805459][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  550.805463][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805465][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  550.805468][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  550.805471][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  550.805476][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  550.805478][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  550.805481][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  550.805482][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  550.805484][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  550.805487][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  550.805492][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  550.805493][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  550.805496][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  550.805498][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805499][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805501][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  550.805504][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  550.805506][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805507][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805508][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805509][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.805512][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  550.805514][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  550.805516][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  550.805519][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  550.805521][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.805523][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  550.805525][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805526][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  550.805528][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  550.805530][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  550.805531][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  550.805533][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  550.805535][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  550.805537][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  550.805538][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  550.805540][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  550.805542][   T68]  ? kthread (kernel/kthread.c:436)
[  550.805545][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  550.805548][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  550.805551][   T68]  _printk (kernel/printk/printk.c:2504)
[  550.805554][   T68]  ? snapshot_read.cold (user.c:?)
[  550.805556][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  550.805559][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  550.805562][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  550.805564][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  550.805567][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805568][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  550.805569][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  550.805572][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  550.805574][   T68]  ? 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)
[  550.805575][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  550.805578][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  550.805580][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  550.805584][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  550.805586][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  550.805589][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  550.805591][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  550.805593][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  550.805596][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  550.805598][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  550.805600][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.805602][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.805604][   T68]  process_one_work (kernel/workqueue.c:3387)
[  550.805607][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  550.805610][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  550.805612][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  550.805615][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  550.805617][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  550.805619][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  550.805621][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  550.805623][   T68]  kthread (kernel/kthread.c:436)
[  550.805625][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  550.805627][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  550.805629][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  550.805631][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  550.805633][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  550.805636][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  550.805638][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  552.250350][T11084] softirqs last disabled at (0): 0x0
| [  552.250352][T11084] Preemption disabled at:
| [  552.250352][T11084] vprintk_emit (kernel/printk/printk.c:2471)
| [  552.250363][T11084] Tainted: [W]=WARN
[  552.250364][T11084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  552.250366][T11084] Call Trace:
[  552.250368][T11084]  <TASK>
[  552.250369][T11084]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  552.250375][T11084]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  552.250377][T11084]  __might_resched.cold (kernel/sched/core.c:9234)
[  552.250381][T11084]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  552.250383][T11084]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  552.250387][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250390][T11084]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  552.250393][T11084]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.250396][T11084]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.250401][T11084]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  552.250403][T11084]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.250406][T11084]  put_chars (drivers/char/virtio_console.c:1176)
[  552.250408][T11084]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  552.250409][T11084]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  552.250412][T11084]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  552.250417][T11084]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  552.250419][T11084]  ? vsnprintf (lib/vsprintf.c:2900)
[  552.250422][T11084]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.250424][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250425][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250427][T11084]  console_emit_next_record (kernel/printk/printk.c:3183)
[  552.250430][T11084]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  552.250432][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250433][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250434][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250435][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250438][T11084]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  552.250440][T11084]  console_flush_one_record (kernel/printk/printk.c:3268)
[  552.250442][T11084]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  552.250445][T11084]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  552.250447][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250449][T11084]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  552.250451][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250452][T11084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  552.250454][T11084]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  552.250455][T11084]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  552.250457][T11084]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  552.250459][T11084]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  552.250460][T11084]  vprintk_emit (kernel/printk/printk.c:2479)
[  552.250462][T11084]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  552.250464][T11084]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.250465][T11084]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  552.250468][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250470][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250471][T11084]  _printk (kernel/printk/printk.c:2504)
[  552.250475][T11084]  ? snapshot_read.cold (user.c:?)
[  552.250477][T11084]  ? br_multicast_flood (??:?)
[  552.250480][T11084]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  552.250483][T11084]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  552.250485][T11084]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  552.250486][T11084]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  552.250489][T11084]  br_init_port (net/bridge/br_stp_if.c:39)
[  552.250491][T11084]  new_nbp (net/bridge/br_if.c:449)
[  552.250494][T11084]  br_add_if (net/bridge/br_if.c:592)
[  552.250496][T11084]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  552.250500][T11084]  do_set_master (net/core/rtnetlink.c:3071)
[  552.250502][T11084]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  552.250504][T11084]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  552.250505][T11084]  ? __dev_get_by_name (net/core/dev.c:905)
[  552.250507][T11084]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  552.250511][T11084]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  552.250514][T11084]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  552.250516][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250518][T11084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.250519][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250520][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250522][T11084]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  552.250525][T11084]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  552.250527][T11084]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  552.250529][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250531][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250532][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250534][T11084]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  552.250535][T11084]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  552.250537][T11084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  552.250538][T11084]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  552.250540][T11084]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  552.250544][T11084]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  552.250547][T11084]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  552.250549][T11084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  552.250550][T11084]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  552.250552][T11084]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  552.250555][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250556][T11084]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  552.250559][T11084]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  552.250563][T11084]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  552.250565][T11084]  ? next_uptodate_folio (mm/filemap.c:3747)
[  552.250568][T11084]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  552.250570][T11084]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  552.250573][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250574][T11084]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  552.250578][T11084]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  552.250581][T11084]  ____sys_sendmsg (net/socket.c:2713)
[  552.250583][T11084]  ? copy_msghdr_from_user (net/socket.c:2650)
[  552.250585][T11084]  ? sock_write_iter (net/socket.c:1269)
[  552.250586][T11084]  ? move_addr_to_kernel (net/socket.c:258)
[  552.250589][T11084]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  552.250591][T11084]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.250593][T11084]  ___sys_sendmsg (net/socket.c:2767)
[  552.250595][T11084]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  552.250597][T11084]  ? copy_msghdr_from_user (net/socket.c:2619)
[  552.250599][T11084]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  552.250603][T11084]  __sys_sendmsg (net/socket.c:2799)
[  552.250606][T11084]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  552.250609][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250610][T11084]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.250612][T11084]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  552.250614][T11084]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  552.250616][T11084]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  552.250619][T11084] RIP: 0033:0x7f4979ffb54e
[  552.250621][T11084] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  552.250623][T11084] RSP: 002b:00007fff5fc5d820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  552.250626][T11084] RAX: ffffffffffffffda RBX: 00007fff5fc5dfe8 RCX: 00007f4979ffb54e
[  552.250628][T11084] RDX: 0000000000000000 RSI: 00007fff5fc5d8d0 RDI: 0000000000000005
[  552.250629][T11084] RBP: 00007fff5fc5d830 R08: 0000000000000000 R09: 0000000000000000
[  552.250630][T11084] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd31
[  552.250631][T11084] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5fc5dfa0
| [  553.945606][T11152] softirqs last disabled at (0): 0x0
| [  553.945608][T11152] Preemption disabled at:
| [  553.945608][T11152] vprintk_emit (kernel/printk/printk.c:2471)
| [  553.945619][T11152] Tainted: [W]=WARN
[  553.945620][T11152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.945621][T11152] Call Trace:
[  553.945623][T11152]  <TASK>
[  553.945624][T11152]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  553.945630][T11152]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  553.945631][T11152]  __might_resched.cold (kernel/sched/core.c:9234)
[  553.945635][T11152]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.945638][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945641][T11152]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  553.945644][T11152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.945647][T11152]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.945652][T11152]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  553.945654][T11152]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.945656][T11152]  put_chars (drivers/char/virtio_console.c:1176)
[  553.945658][T11152]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  553.945659][T11152]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  553.945662][T11152]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  553.945664][T11152]  ? pointer (lib/vsprintf.c:2577)
[  553.945668][T11152]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  553.945672][T11152]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  553.945674][T11152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.945676][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945679][T11152]  console_emit_next_record (kernel/printk/printk.c:3183)
[  553.945685][T11152]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  553.945688][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945689][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945690][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945691][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945694][T11152]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  553.945696][T11152]  console_flush_one_record (kernel/printk/printk.c:3268)
[  553.945698][T11152]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  553.945701][T11152]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  553.945703][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945705][T11152]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  553.945707][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945708][T11152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.945710][T11152]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  553.945711][T11152]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  553.945713][T11152]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  553.945715][T11152]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  553.945716][T11152]  vprintk_emit (kernel/printk/printk.c:2479)
[  553.945718][T11152]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  553.945719][T11152]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  553.945722][T11152]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  553.945725][T11152]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  553.945728][T11152]  _printk (kernel/printk/printk.c:2504)
[  553.945731][T11152]  ? snapshot_read.cold (user.c:?)
[  553.945733][T11152]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  553.945735][T11152]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  553.945739][T11152]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  553.945741][T11152]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.945744][T11152]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  553.945746][T11152]  ? netdev_notice (net/core/dev.c:13194)
[  553.945749][T11152]  ? 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)
[  553.945750][T11152]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  553.945753][T11152]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.945755][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945756][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945757][T11152]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  553.945759][T11152]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  553.945760][T11152]  ? 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)
[  553.945762][T11152]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.945763][T11152]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  553.945765][T11152]  ? register_netdev (net/core/dev.c:11618)
[  553.945767][T11152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.945769][T11152]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  553.945771][T11152]  ? __kernel_text_address (kernel/extable.c:79)
[  553.945774][T11152]  ? write_profile (profile.c:?)
[  553.945777][T11152]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  553.945781][T11152]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.945783][T11152]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  553.945785][T11152]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  553.945786][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945787][T11152]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  553.945791][T11152]  ? kasan_save_stack (mm/kasan/common.c:58)
[  553.945793][T11152]  ? kasan_save_stack (mm/kasan/common.c:57)
[  553.945794][T11152]  ? kasan_save_track (mm/kasan/common.c:78)
[  553.945795][T11152]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  553.945796][T11152]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  553.945798][T11152]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  553.945799][T11152]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.945800][T11152]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.945803][T11152]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.945805][T11152]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.945807][T11152]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.945809][T11152]  ? ____sys_sendmsg (net/socket.c:2713)
[  553.945811][T11152]  ? ___sys_sendmsg (net/socket.c:2767)
[  553.945812][T11152]  ? __sys_sendmsg (net/socket.c:2799)
[  553.945814][T11152]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.945816][T11152]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.945819][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945820][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945822][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945823][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945824][T11152]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  553.945826][T11152]  ? __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)
[  553.945827][T11152]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  553.945828][T11152]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  553.945830][T11152]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  553.945831][T11152]  ? nla_get_range_signed (lib/nlattr.c:270)
[  553.945835][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945836][T11152]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  553.945838][T11152]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.945840][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945842][T11152]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.945843][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945845][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945846][T11152]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  553.945849][T11152]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  553.945850][T11152]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  553.945852][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945853][T11152]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  553.945857][T11152]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  553.945859][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945860][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945862][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945863][T11152]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.945865][T11152]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.945867][T11152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.945868][T11152]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.945870][T11152]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  553.945872][T11152]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.945874][T11152]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.945875][T11152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.945877][T11152]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  553.945879][T11152]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  553.945882][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945883][T11152]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.945886][T11152]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.945888][T11152]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  553.945890][T11152]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.945892][T11152]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.945894][T11152]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  553.945896][T11152]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  553.945898][T11152]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.945899][T11152]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  553.945902][T11152]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.945904][T11152]  ____sys_sendmsg (net/socket.c:2713)
[  553.945906][T11152]  ? copy_msghdr_from_user (net/socket.c:2650)
[  553.945908][T11152]  ? sock_write_iter (net/socket.c:1269)
[  553.945909][T11152]  ? move_addr_to_kernel (net/socket.c:258)
[  553.945911][T11152]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.945914][T11152]  ___sys_sendmsg (net/socket.c:2767)
[  553.945916][T11152]  ? copy_msghdr_from_user (net/socket.c:2619)
[  553.945925][T11152]  __sys_sendmsg (net/socket.c:2799)
[  553.945927][T11152]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  553.945930][T11152]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.945932][T11152]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.945934][T11152]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  553.945936][T11152]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.945938][T11152] RIP: 0033:0x7f1fc371d54e
[  553.945940][T11152] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  553.945942][T11152] RSP: 002b:00007fff9cc4e0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  553.945946][T11152] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1fc371d54e
[  553.945947][T11152] RDX: 0000000000000000 RSI: 00007fff9cc4e180 RDI: 0000000000000005
[  553.945948][T11152] RBP: 00007fff9cc4e0e0 R08: 0000000000000000 R09: 0000000000000000
[  553.945949][T11152] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd33
[  553.945950][T11152] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9cc4e840
| [  555.405095][T11203] softirqs last disabled at (0): 0x0
| [  555.405096][T11203] Preemption disabled at:
| [  555.405097][T11203] vprintk_emit (kernel/printk/printk.c:2471)
| [  555.405108][T11203] Tainted: [W]=WARN
[  555.405109][T11203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  555.405110][T11203] Call Trace:
[  555.405112][T11203]  <TASK>
[  555.405113][T11203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  555.405119][T11203]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  555.405120][T11203]  __might_resched.cold (kernel/sched/core.c:9234)
[  555.405124][T11203]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  555.405126][T11203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  555.405129][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405132][T11203]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  555.405135][T11203]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.405139][T11203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.405144][T11203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  555.405146][T11203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  555.405149][T11203]  put_chars (drivers/char/virtio_console.c:1176)
[  555.405150][T11203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  555.405152][T11203]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  555.405155][T11203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  555.405160][T11203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  555.405162][T11203]  ? vsnprintf (lib/vsprintf.c:2900)
[  555.405165][T11203]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.405167][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405168][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405170][T11203]  console_emit_next_record (kernel/printk/printk.c:3183)
[  555.405172][T11203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  555.405175][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405176][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405177][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405178][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405180][T11203]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  555.405182][T11203]  console_flush_one_record (kernel/printk/printk.c:3268)
[  555.405184][T11203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  555.405187][T11203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  555.405189][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405191][T11203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  555.405193][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405194][T11203]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.405195][T11203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  555.405197][T11203]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  555.405198][T11203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  555.405201][T11203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  555.405202][T11203]  vprintk_emit (kernel/printk/printk.c:2479)
[  555.405204][T11203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  555.405205][T11203]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  555.405207][T11203]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  555.405210][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405211][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405213][T11203]  _printk (kernel/printk/printk.c:2504)
[  555.405216][T11203]  ? snapshot_read.cold (user.c:?)
[  555.405218][T11203]  ? br_multicast_flood (??:?)
[  555.405222][T11203]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  555.405224][T11203]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  555.405226][T11203]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.405227][T11203]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  555.405231][T11203]  br_init_port (net/bridge/br_stp_if.c:39)
[  555.405232][T11203]  new_nbp (net/bridge/br_if.c:449)
[  555.405235][T11203]  br_add_if (net/bridge/br_if.c:592)
[  555.405236][T11203]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  555.405241][T11203]  do_set_master (net/core/rtnetlink.c:3071)
[  555.405243][T11203]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  555.405244][T11203]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  555.405246][T11203]  ? __dev_get_by_name (net/core/dev.c:905)
[  555.405248][T11203]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  555.405252][T11203]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  555.405254][T11203]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  555.405256][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405258][T11203]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.405259][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405261][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405262][T11203]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  555.405265][T11203]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  555.405267][T11203]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  555.405269][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405270][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405272][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405273][T11203]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  555.405274][T11203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  555.405276][T11203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.405278][T11203]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  555.405279][T11203]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  555.405283][T11203]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  555.405286][T11203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  555.405288][T11203]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.405289][T11203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  555.405291][T11203]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  555.405294][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405295][T11203]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  555.405297][T11203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  555.405300][T11203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  555.405302][T11203]  ? next_uptodate_folio (mm/filemap.c:3747)
[  555.405305][T11203]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  555.405307][T11203]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  555.405309][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405311][T11203]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  555.405315][T11203]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  555.405318][T11203]  ____sys_sendmsg (net/socket.c:2713)
[  555.405319][T11203]  ? copy_msghdr_from_user (net/socket.c:2650)
[  555.405321][T11203]  ? sock_write_iter (net/socket.c:1269)
[  555.405323][T11203]  ? move_addr_to_kernel (net/socket.c:258)
[  555.405325][T11203]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  555.405327][T11203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  555.405329][T11203]  ___sys_sendmsg (net/socket.c:2767)
[  555.405331][T11203]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  555.405333][T11203]  ? copy_msghdr_from_user (net/socket.c:2619)
[  555.405335][T11203]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  555.405339][T11203]  __sys_sendmsg (net/socket.c:2799)
[  555.405341][T11203]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  555.405344][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405345][T11203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  555.405347][T11203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  555.405349][T11203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  555.405352][T11203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  555.405354][T11203] RIP: 0033:0x7f6c3713b54e
[  555.405356][T11203] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  555.405358][T11203] RSP: 002b:00007fff65961e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  555.405362][T11203] RAX: ffffffffffffffda RBX: 00007fff65962618 RCX: 00007f6c3713b54e
[  555.405363][T11203] RDX: 0000000000000000 RSI: 00007fff65961f00 RDI: 0000000000000005
[  555.405364][T11203] RBP: 00007fff65961e60 R08: 0000000000000000 R09: 0000000000000000
[  555.405365][T11203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd34
[  555.405366][T11203] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff659625d0
| [  562.448922][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  562.448925][   T68] Preemption disabled at:
| [  562.448925][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  562.448937][   T68] Tainted: [W]=WARN
[  562.448938][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.448940][   T68] Workqueue: netns cleanup_net
[  562.448946][   T68] Call Trace:
[  562.448947][   T68]  <TASK>
[  562.448949][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  562.448954][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  562.448956][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  562.448959][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  562.448962][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  562.448966][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.448969][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  562.448972][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.448982][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.448987][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  562.448989][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.448992][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  562.448994][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  562.448996][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  562.448999][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  562.449004][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  562.449006][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  562.449009][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.449010][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449012][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449014][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  562.449016][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  562.449019][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449020][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449021][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449022][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.449025][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  562.449027][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  562.449029][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  562.449032][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  562.449034][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.449036][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  562.449038][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449039][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.449041][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  562.449042][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  562.449044][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  562.449046][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  562.449048][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  562.449049][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  562.449051][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  562.449052][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  562.449055][   T68]  ? kthread (kernel/kthread.c:436)
[  562.449057][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  562.449060][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  562.449063][   T68]  _printk (kernel/printk/printk.c:2504)
[  562.449066][   T68]  ? snapshot_read.cold (user.c:?)
[  562.449069][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  562.449072][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  562.449074][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  562.449077][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  562.449079][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449080][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  562.449082][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  562.449085][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  562.449087][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  562.449088][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  562.449091][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  562.449094][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  562.449097][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  562.449100][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  562.449102][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  562.449105][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  562.449107][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  562.449110][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  562.449112][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  562.449114][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.449116][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.449117][   T68]  process_one_work (kernel/workqueue.c:3387)
[  562.449120][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  562.449123][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.449126][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  562.449128][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  562.449130][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  562.449132][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  562.449134][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  562.449136][   T68]  kthread (kernel/kthread.c:436)
[  562.449138][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  562.449140][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  562.449142][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  562.449144][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  562.449146][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  562.449149][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  562.449151][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  563.757593][T11365] softirqs last disabled at (0): 0x0
| [  563.757595][T11365] Preemption disabled at:
| [  563.757596][T11365] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.757607][T11365] Tainted: [W]=WARN
[  563.757608][T11365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.757610][T11365] Call Trace:
[  563.757611][T11365]  <TASK>
[  563.757613][T11365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.757618][T11365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.757620][T11365]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.757624][T11365]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  563.757626][T11365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.757630][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757633][T11365]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  563.757637][T11365]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.757641][T11365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.757646][T11365]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  563.757648][T11365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.757651][T11365]  put_chars (drivers/char/virtio_console.c:1176)
[  563.757653][T11365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.757654][T11365]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  563.757657][T11365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.757662][T11365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.757664][T11365]  ? vsnprintf (lib/vsprintf.c:2900)
[  563.757667][T11365]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.757669][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757670][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757672][T11365]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.757675][T11365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.757677][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757678][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757679][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757680][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757686][T11365]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  563.757688][T11365]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.757691][T11365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.757694][T11365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.757696][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757698][T11365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.757700][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757703][T11365]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.757705][T11365]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  563.757707][T11365]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  563.757708][T11365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.757711][T11365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.757712][T11365]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.757714][T11365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.757715][T11365]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.757717][T11365]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  563.757720][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757722][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757723][T11365]  _printk (kernel/printk/printk.c:2504)
[  563.757726][T11365]  ? snapshot_read.cold (user.c:?)
[  563.757728][T11365]  ? br_multicast_flood (??:?)
[  563.757732][T11365]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  563.757735][T11365]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  563.757736][T11365]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.757738][T11365]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  563.757741][T11365]  br_init_port (net/bridge/br_stp_if.c:39)
[  563.757743][T11365]  new_nbp (net/bridge/br_if.c:449)
[  563.757745][T11365]  br_add_if (net/bridge/br_if.c:592)
[  563.757747][T11365]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  563.757753][T11365]  do_set_master (net/core/rtnetlink.c:3071)
[  563.757756][T11365]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  563.757758][T11365]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  563.757759][T11365]  ? __dev_get_by_name (net/core/dev.c:905)
[  563.757761][T11365]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  563.757765][T11365]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  563.757768][T11365]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.757770][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757771][T11365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.757772][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757774][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757775][T11365]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  563.757778][T11365]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  563.757779][T11365]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  563.757782][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757783][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757784][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757786][T11365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.757787][T11365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.757789][T11365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.757790][T11365]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  563.757792][T11365]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  563.757796][T11365]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.757798][T11365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.757801][T11365]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.757803][T11365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.757806][T11365]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  563.757810][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757811][T11365]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.757813][T11365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.757815][T11365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.757817][T11365]  ? next_uptodate_folio (mm/filemap.c:3747)
[  563.757821][T11365]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.757823][T11365]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.757825][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757826][T11365]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  563.757830][T11365]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.757833][T11365]  ____sys_sendmsg (net/socket.c:2713)
[  563.757834][T11365]  ? copy_msghdr_from_user (net/socket.c:2650)
[  563.757836][T11365]  ? sock_write_iter (net/socket.c:1269)
[  563.757838][T11365]  ? move_addr_to_kernel (net/socket.c:258)
[  563.757840][T11365]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  563.757843][T11365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.757845][T11365]  ___sys_sendmsg (net/socket.c:2767)
[  563.757847][T11365]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  563.757849][T11365]  ? copy_msghdr_from_user (net/socket.c:2619)
[  563.757851][T11365]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  563.757855][T11365]  __sys_sendmsg (net/socket.c:2799)
[  563.757858][T11365]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  563.757860][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757862][T11365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.757863][T11365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.757866][T11365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.757868][T11365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.757870][T11365] RIP: 0033:0x7f6f3036554e
[  563.757872][T11365] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  563.757875][T11365] RSP: 002b:00007ffd43520980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  563.757880][T11365] RAX: ffffffffffffffda RBX: 00007ffd43521148 RCX: 00007f6f3036554e
[  563.757882][T11365] RDX: 0000000000000000 RSI: 00007ffd43520a30 RDI: 0000000000000005
[  563.757883][T11365] RBP: 00007ffd43520990 R08: 0000000000000000 R09: 0000000000000000
[  563.757883][T11365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd3d
[  563.757884][T11365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd43521100
| [  565.275746][T11434] softirqs last disabled at (0): 0x0
| [  565.275748][T11434] Preemption disabled at:
| [  565.275749][T11434] vprintk_emit (kernel/printk/printk.c:2471)
| [  565.275759][T11434] Tainted: [W]=WARN
[  565.275760][T11434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  565.275762][T11434] Call Trace:
[  565.275763][T11434]  <TASK>
[  565.275765][T11434]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  565.275770][T11434]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  565.275772][T11434]  __might_resched.cold (kernel/sched/core.c:9234)
[  565.275776][T11434]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  565.275780][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275782][T11434]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  565.275785][T11434]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.275788][T11434]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  565.275793][T11434]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  565.275795][T11434]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  565.275798][T11434]  put_chars (drivers/char/virtio_console.c:1176)
[  565.275799][T11434]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  565.275801][T11434]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  565.275803][T11434]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  565.275805][T11434]  ? pointer (lib/vsprintf.c:2577)
[  565.275809][T11434]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  565.275813][T11434]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  565.275815][T11434]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.275817][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.275820][T11434]  console_emit_next_record (kernel/printk/printk.c:3183)
[  565.275823][T11434]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  565.275825][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275826][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275827][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275829][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.275831][T11434]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  565.275833][T11434]  console_flush_one_record (kernel/printk/printk.c:3268)
[  565.275835][T11434]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  565.275838][T11434]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  565.275840][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.275842][T11434]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  565.275844][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275845][T11434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.275846][T11434]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  565.275848][T11434]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  565.275849][T11434]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  565.275852][T11434]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  565.275853][T11434]  vprintk_emit (kernel/printk/printk.c:2479)
[  565.275855][T11434]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  565.275857][T11434]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  565.275859][T11434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  565.275863][T11434]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  565.275865][T11434]  _printk (kernel/printk/printk.c:2504)
[  565.275868][T11434]  ? snapshot_read.cold (user.c:?)
[  565.275870][T11434]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  565.275872][T11434]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  565.275876][T11434]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  565.275878][T11434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  565.275881][T11434]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  565.275883][T11434]  ? netdev_notice (net/core/dev.c:13194)
[  565.275885][T11434]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  565.275887][T11434]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  565.275890][T11434]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  565.275892][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275893][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275894][T11434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  565.275895][T11434]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  565.275897][T11434]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  565.275898][T11434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  565.275900][T11434]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  565.275902][T11434]  ? register_netdev (net/core/dev.c:11618)
[  565.275903][T11434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.275905][T11434]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  565.275908][T11434]  ? __kernel_text_address (kernel/extable.c:79)
[  565.275911][T11434]  ? write_profile (profile.c:?)
[  565.275914][T11434]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  565.275918][T11434]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  565.275920][T11434]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  565.275922][T11434]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  565.275923][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275924][T11434]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  565.275928][T11434]  ? kasan_save_stack (mm/kasan/common.c:58)
[  565.275930][T11434]  ? kasan_save_stack (mm/kasan/common.c:57)
[  565.275931][T11434]  ? kasan_save_track (mm/kasan/common.c:78)
[  565.275932][T11434]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  565.275933][T11434]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  565.275934][T11434]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  565.275935][T11434]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  565.275937][T11434]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  565.275940][T11434]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  565.275941][T11434]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  565.275943][T11434]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  565.275946][T11434]  ? ____sys_sendmsg (net/socket.c:2713)
[  565.275947][T11434]  ? ___sys_sendmsg (net/socket.c:2767)
[  565.275949][T11434]  ? __sys_sendmsg (net/socket.c:2799)
[  565.275951][T11434]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  565.275953][T11434]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.275956][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275957][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.275959][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275960][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275961][T11434]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  565.275963][T11434]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  565.275964][T11434]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  565.275966][T11434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  565.275967][T11434]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  565.275968][T11434]  ? nla_get_range_signed (lib/nlattr.c:270)
[  565.275972][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275973][T11434]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  565.275975][T11434]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  565.275977][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275979][T11434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  565.275980][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.275982][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275983][T11434]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  565.275985][T11434]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  565.275987][T11434]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  565.275988][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.275990][T11434]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  565.275998][T11434]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  565.276000][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.276001][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.276003][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.276004][T11434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  565.276006][T11434]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  565.276008][T11434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  565.276009][T11434]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  565.276011][T11434]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  565.276014][T11434]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  565.276015][T11434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  565.276017][T11434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.276019][T11434]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  565.276020][T11434]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  565.276023][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.276025][T11434]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  565.276027][T11434]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  565.276029][T11434]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  565.276031][T11434]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.276033][T11434]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  565.276036][T11434]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  565.276037][T11434]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  565.276039][T11434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  565.276041][T11434]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  565.276044][T11434]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  565.276046][T11434]  ____sys_sendmsg (net/socket.c:2713)
[  565.276047][T11434]  ? copy_msghdr_from_user (net/socket.c:2650)
[  565.276049][T11434]  ? sock_write_iter (net/socket.c:1269)
[  565.276051][T11434]  ? move_addr_to_kernel (net/socket.c:258)
[  565.276052][T11434]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  565.276055][T11434]  ___sys_sendmsg (net/socket.c:2767)
[  565.276057][T11434]  ? copy_msghdr_from_user (net/socket.c:2619)
[  565.276062][T11434]  __sys_sendmsg (net/socket.c:2799)
[  565.276064][T11434]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  565.276067][T11434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  565.276069][T11434]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  565.276071][T11434]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  565.276073][T11434]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  565.276074][T11434] RIP: 0033:0x7f0ef8d7d54e
[  565.276076][T11434] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  565.276078][T11434] RSP: 002b:00007ffd1eee7cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  565.276082][T11434] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0ef8d7d54e
[  565.276084][T11434] RDX: 0000000000000000 RSI: 00007ffd1eee7d80 RDI: 0000000000000005
[  565.276085][T11434] RBP: 00007ffd1eee7ce0 R08: 0000000000000000 R09: 0000000000000000
[  565.276086][T11434] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd3e
[  565.276087][T11434] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1eee8440
| [  566.650404][T11484] softirqs last disabled at (0): 0x0
| [  566.650406][T11484] Preemption disabled at:
| [  566.650407][T11484] vprintk_emit (kernel/printk/printk.c:2471)
| [  566.650418][T11484] Tainted: [W]=WARN
[  566.650419][T11484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  566.650421][T11484] Call Trace:
[  566.650423][T11484]  <TASK>
[  566.650424][T11484]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  566.650431][T11484]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  566.650432][T11484]  __might_resched.cold (kernel/sched/core.c:9234)
[  566.650436][T11484]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  566.650438][T11484]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  566.650441][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650444][T11484]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  566.650447][T11484]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.650450][T11484]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.650456][T11484]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  566.650458][T11484]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.650461][T11484]  put_chars (drivers/char/virtio_console.c:1176)
[  566.650463][T11484]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  566.650464][T11484]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  566.650468][T11484]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  566.650475][T11484]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  566.650477][T11484]  ? vsnprintf (lib/vsprintf.c:2900)
[  566.650481][T11484]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.650483][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650484][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650486][T11484]  console_emit_next_record (kernel/printk/printk.c:3183)
[  566.650489][T11484]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  566.650491][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650492][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650493][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650495][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650497][T11484]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  566.650499][T11484]  console_flush_one_record (kernel/printk/printk.c:3268)
[  566.650502][T11484]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  566.650504][T11484]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  566.650506][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650508][T11484]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  566.650510][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650511][T11484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.650513][T11484]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  566.650514][T11484]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  566.650516][T11484]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  566.650518][T11484]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  566.650519][T11484]  vprintk_emit (kernel/printk/printk.c:2479)
[  566.650521][T11484]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  566.650522][T11484]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.650524][T11484]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  566.650528][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650529][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650531][T11484]  _printk (kernel/printk/printk.c:2504)
[  566.650534][T11484]  ? snapshot_read.cold (user.c:?)
[  566.650536][T11484]  ? br_multicast_flood (??:?)
[  566.650539][T11484]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  566.650542][T11484]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  566.650543][T11484]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.650545][T11484]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  566.650549][T11484]  br_init_port (net/bridge/br_stp_if.c:39)
[  566.650551][T11484]  new_nbp (net/bridge/br_if.c:449)
[  566.650553][T11484]  br_add_if (net/bridge/br_if.c:592)
[  566.650555][T11484]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  566.650560][T11484]  do_set_master (net/core/rtnetlink.c:3071)
[  566.650561][T11484]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  566.650563][T11484]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  566.650565][T11484]  ? __dev_get_by_name (net/core/dev.c:905)
[  566.650567][T11484]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  566.650571][T11484]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  566.650573][T11484]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.650575][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650577][T11484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.650578][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650579][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650581][T11484]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  566.650584][T11484]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  566.650585][T11484]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  566.650588][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650589][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650591][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650592][T11484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.650593][T11484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  566.650595][T11484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.650597][T11484]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  566.650598][T11484]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  566.650602][T11484]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  566.650606][T11484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.650607][T11484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.650609][T11484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  566.650610][T11484]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  566.650613][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650615][T11484]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.650617][T11484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  566.650619][T11484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  566.650622][T11484]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  566.650624][T11484]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  566.650627][T11484]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  566.650630][T11484]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  566.650632][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650634][T11484]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  566.650637][T11484]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  566.650640][T11484]  ____sys_sendmsg (net/socket.c:2713)
[  566.650642][T11484]  ? copy_msghdr_from_user (net/socket.c:2650)
[  566.650644][T11484]  ? sock_write_iter (net/socket.c:1269)
[  566.650645][T11484]  ? move_addr_to_kernel (net/socket.c:258)
[  566.650648][T11484]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  566.650650][T11484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.650652][T11484]  ___sys_sendmsg (net/socket.c:2767)
[  566.650654][T11484]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  566.650656][T11484]  ? copy_msghdr_from_user (net/socket.c:2619)
[  566.650658][T11484]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  566.650662][T11484]  __sys_sendmsg (net/socket.c:2799)
[  566.650665][T11484]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  566.650667][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650668][T11484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.650670][T11484]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  566.650673][T11484]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  566.650675][T11484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  566.650677][T11484] RIP: 0033:0x7f1f3342454e
[  566.650679][T11484] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  566.650681][T11484] RSP: 002b:00007ffdaff1b240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  566.650688][T11484] RAX: ffffffffffffffda RBX: 00007ffdaff1ba08 RCX: 00007f1f3342454e
[  566.650689][T11484] RDX: 0000000000000000 RSI: 00007ffdaff1b2f0 RDI: 0000000000000005
[  566.650691][T11484] RBP: 00007ffdaff1b250 R08: 0000000000000000 R09: 0000000000000000
[  566.650692][T11484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd40
[  566.650693][T11484] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaff1b9c0
| [  573.642810][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  573.642813][   T68] Preemption disabled at:
| [  573.642814][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  573.642827][   T68] Tainted: [W]=WARN
[  573.642828][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  573.642830][   T68] Workqueue: netns cleanup_net
[  573.642836][   T68] Call Trace:
[  573.642837][   T68]  <TASK>
[  573.642839][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  573.642845][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  573.642847][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  573.642850][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  573.642852][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.642856][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642859][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  573.642862][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.642865][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.642871][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  573.642874][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.642878][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  573.642880][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  573.642882][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  573.642884][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  573.642889][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  573.642891][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  573.642893][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.642895][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642896][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642898][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  573.642901][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  573.642903][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642904][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642905][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642906][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.642909][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  573.642911][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  573.642913][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  573.642916][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  573.642918][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.642921][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  573.642924][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642926][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.642928][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  573.642930][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  573.642931][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  573.642934][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  573.642935][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  573.642937][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  573.642938][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  573.642940][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  573.642943][   T68]  ? kthread (kernel/kthread.c:436)
[  573.642945][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  573.642948][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  573.642951][   T68]  _printk (kernel/printk/printk.c:2504)
[  573.642954][   T68]  ? snapshot_read.cold (user.c:?)
[  573.642956][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  573.642960][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  573.642962][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  573.642964][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  573.642966][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.642969][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  573.642971][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  573.642975][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  573.642977][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  573.642978][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  573.642981][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  573.642983][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  573.642988][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  573.642990][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  573.642993][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  573.642995][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  573.642997][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  573.643000][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  573.643001][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  573.643004][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.643006][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.643007][   T68]  process_one_work (kernel/workqueue.c:3387)
[  573.643010][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  573.643013][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.643016][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  573.643019][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  573.643022][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  573.643025][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  573.643027][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  573.643029][   T68]  kthread (kernel/kthread.c:436)
[  573.643031][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  573.643032][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  573.643034][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  573.643036][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  573.643038][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  573.643041][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  573.643043][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  575.144051][T11647] softirqs last disabled at (0): 0x0
| [  575.144053][T11647] Preemption disabled at:
| [  575.144054][T11647] vprintk_emit (kernel/printk/printk.c:2471)
| [  575.144070][T11647] Tainted: [W]=WARN
[  575.144071][T11647] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  575.144073][T11647] Call Trace:
[  575.144075][T11647]  <TASK>
[  575.144076][T11647]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  575.144083][T11647]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  575.144085][T11647]  __might_resched.cold (kernel/sched/core.c:9234)
[  575.144088][T11647]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  575.144091][T11647]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  575.144094][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144097][T11647]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  575.144100][T11647]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.144103][T11647]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.144109][T11647]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  575.144111][T11647]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.144114][T11647]  put_chars (drivers/char/virtio_console.c:1176)
[  575.144116][T11647]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  575.144118][T11647]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  575.144120][T11647]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  575.144126][T11647]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  575.144127][T11647]  ? vsnprintf (lib/vsprintf.c:2900)
[  575.144131][T11647]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.144133][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144134][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144136][T11647]  console_emit_next_record (kernel/printk/printk.c:3183)
[  575.144139][T11647]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  575.144141][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144142][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144144][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144145][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144147][T11647]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  575.144149][T11647]  console_flush_one_record (kernel/printk/printk.c:3268)
[  575.144152][T11647]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  575.144155][T11647]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  575.144157][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144158][T11647]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  575.144160][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144161][T11647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.144163][T11647]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  575.144165][T11647]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  575.144166][T11647]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  575.144169][T11647]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  575.144170][T11647]  vprintk_emit (kernel/printk/printk.c:2479)
[  575.144172][T11647]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  575.144173][T11647]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.144175][T11647]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.144178][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144180][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144182][T11647]  _printk (kernel/printk/printk.c:2504)
[  575.144185][T11647]  ? snapshot_read.cold (user.c:?)
[  575.144187][T11647]  ? br_multicast_flood (??:?)
[  575.144191][T11647]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  575.144194][T11647]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  575.144195][T11647]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.144197][T11647]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  575.144200][T11647]  br_init_port (net/bridge/br_stp_if.c:39)
[  575.144202][T11647]  new_nbp (net/bridge/br_if.c:449)
[  575.144205][T11647]  br_add_if (net/bridge/br_if.c:592)
[  575.144206][T11647]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  575.144211][T11647]  do_set_master (net/core/rtnetlink.c:3071)
[  575.144213][T11647]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  575.144215][T11647]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  575.144217][T11647]  ? __dev_get_by_name (net/core/dev.c:905)
[  575.144218][T11647]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  575.144223][T11647]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  575.144225][T11647]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.144228][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144229][T11647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.144231][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144232][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144234][T11647]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  575.144237][T11647]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  575.144239][T11647]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  575.144241][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144243][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144245][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144246][T11647]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.144248][T11647]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  575.144249][T11647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.144251][T11647]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.144252][T11647]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  575.144257][T11647]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  575.144260][T11647]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.144261][T11647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.144263][T11647]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  575.144265][T11647]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  575.144269][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144270][T11647]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.144272][T11647]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  575.144274][T11647]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  575.144277][T11647]  ? next_uptodate_folio (mm/filemap.c:3747)
[  575.144280][T11647]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  575.144282][T11647]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  575.144285][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144286][T11647]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  575.144290][T11647]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  575.144293][T11647]  ____sys_sendmsg (net/socket.c:2713)
[  575.144295][T11647]  ? copy_msghdr_from_user (net/socket.c:2650)
[  575.144297][T11647]  ? sock_write_iter (net/socket.c:1269)
[  575.144298][T11647]  ? move_addr_to_kernel (net/socket.c:258)
[  575.144301][T11647]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  575.144303][T11647]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.144305][T11647]  ___sys_sendmsg (net/socket.c:2767)
[  575.144307][T11647]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  575.144309][T11647]  ? copy_msghdr_from_user (net/socket.c:2619)
[  575.144310][T11647]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  575.144315][T11647]  __sys_sendmsg (net/socket.c:2799)
[  575.144318][T11647]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  575.144321][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144322][T11647]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.144324][T11647]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  575.144326][T11647]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  575.144329][T11647]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.144331][T11647] RIP: 0033:0x7fb05cda754e
[  575.144334][T11647] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  575.144336][T11647] RSP: 002b:00007ffc25495010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  575.144340][T11647] RAX: ffffffffffffffda RBX: 00007ffc254957d8 RCX: 00007fb05cda754e
[  575.144342][T11647] RDX: 0000000000000000 RSI: 00007ffc254950c0 RDI: 0000000000000005
[  575.144343][T11647] RBP: 00007ffc25495020 R08: 0000000000000000 R09: 0000000000000000
[  575.144344][T11647] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd48
[  575.144345][T11647] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc25495790
| [  576.736119][T11715] softirqs last disabled at (0): 0x0
| [  576.736122][T11715] Preemption disabled at:
| [  576.736123][T11715] vprintk_emit (kernel/printk/printk.c:2471)
| [  576.736136][T11715] Tainted: [W]=WARN
[  576.736137][T11715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  576.736140][T11715] Call Trace:
[  576.736142][T11715]  <TASK>
[  576.736143][T11715]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  576.736150][T11715]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  576.736152][T11715]  __might_resched.cold (kernel/sched/core.c:9234)
[  576.736157][T11715]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  576.736162][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736166][T11715]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  576.736169][T11715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.736173][T11715]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.736180][T11715]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  576.736182][T11715]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.736186][T11715]  put_chars (drivers/char/virtio_console.c:1176)
[  576.736189][T11715]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  576.736190][T11715]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  576.736194][T11715]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  576.736197][T11715]  ? pointer (lib/vsprintf.c:2577)
[  576.736202][T11715]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  576.736209][T11715]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  576.736211][T11715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.736214][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736218][T11715]  console_emit_next_record (kernel/printk/printk.c:3183)
[  576.736222][T11715]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  576.736225][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736227][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736229][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736231][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736234][T11715]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  576.736237][T11715]  console_flush_one_record (kernel/printk/printk.c:3268)
[  576.736241][T11715]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  576.736246][T11715]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  576.736248][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736251][T11715]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  576.736254][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736256][T11715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.736258][T11715]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  576.736261][T11715]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  576.736263][T11715]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  576.736267][T11715]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  576.736269][T11715]  vprintk_emit (kernel/printk/printk.c:2479)
[  576.736272][T11715]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  576.736275][T11715]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  576.736278][T11715]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  576.736282][T11715]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  576.736286][T11715]  _printk (kernel/printk/printk.c:2504)
[  576.736289][T11715]  ? snapshot_read.cold (user.c:?)
[  576.736293][T11715]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  576.736296][T11715]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  576.736300][T11715]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  576.736303][T11715]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.736308][T11715]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  576.736311][T11715]  ? netdev_notice (net/core/dev.c:13194)
[  576.736315][T11715]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  576.736318][T11715]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  576.736321][T11715]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.736324][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736326][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736328][T11715]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  576.736331][T11715]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  576.736333][T11715]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  576.736336][T11715]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.736338][T11715]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  576.736341][T11715]  ? register_netdev (net/core/dev.c:11618)
[  576.736344][T11715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.736347][T11715]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  576.736350][T11715]  ? __kernel_text_address (kernel/extable.c:79)
[  576.736354][T11715]  ? write_profile (profile.c:?)
[  576.736358][T11715]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  576.736363][T11715]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  576.736366][T11715]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  576.736368][T11715]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  576.736371][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736373][T11715]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  576.736378][T11715]  ? kasan_save_stack (mm/kasan/common.c:58)
[  576.736381][T11715]  ? kasan_save_stack (mm/kasan/common.c:57)
[  576.736383][T11715]  ? kasan_save_track (mm/kasan/common.c:78)
[  576.736385][T11715]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  576.736387][T11715]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  576.736389][T11715]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  576.736391][T11715]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  576.736393][T11715]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  576.736397][T11715]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  576.736399][T11715]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  576.736402][T11715]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  576.736405][T11715]  ? ____sys_sendmsg (net/socket.c:2713)
[  576.736408][T11715]  ? ___sys_sendmsg (net/socket.c:2767)
[  576.736410][T11715]  ? __sys_sendmsg (net/socket.c:2799)
[  576.736413][T11715]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  576.736416][T11715]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.736420][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736423][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736425][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736427][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736429][T11715]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  576.736432][T11715]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  576.736433][T11715]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  576.736436][T11715]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  576.736439][T11715]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  576.736441][T11715]  ? nla_get_range_signed (lib/nlattr.c:270)
[  576.736446][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736448][T11715]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  576.736452][T11715]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  576.736456][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736458][T11715]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.736460][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736462][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736465][T11715]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  576.736468][T11715]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  576.736471][T11715]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  576.736473][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736475][T11715]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  576.736479][T11715]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  576.736482][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736485][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736487][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736489][T11715]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  576.736492][T11715]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  576.736495][T11715]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.736497][T11715]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  576.736499][T11715]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  576.736503][T11715]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  576.736506][T11715]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  576.736508][T11715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.736511][T11715]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  576.736514][T11715]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  576.736518][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736521][T11715]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.736524][T11715]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  576.736528][T11715]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  576.736531][T11715]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.736534][T11715]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  576.736538][T11715]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  576.736540][T11715]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  576.736543][T11715]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.736545][T11715]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  576.736550][T11715]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  576.736553][T11715]  ____sys_sendmsg (net/socket.c:2713)
[  576.736555][T11715]  ? copy_msghdr_from_user (net/socket.c:2650)
[  576.736558][T11715]  ? sock_write_iter (net/socket.c:1269)
[  576.736560][T11715]  ? move_addr_to_kernel (net/socket.c:258)
[  576.736563][T11715]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  576.736567][T11715]  ___sys_sendmsg (net/socket.c:2767)
[  576.736570][T11715]  ? copy_msghdr_from_user (net/socket.c:2619)
[  576.736578][T11715]  __sys_sendmsg (net/socket.c:2799)
[  576.736581][T11715]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  576.736586][T11715]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.736588][T11715]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  576.736591][T11715]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  576.736594][T11715]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  576.736596][T11715] RIP: 0033:0x7fc91dd9e54e
[  576.736599][T11715] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  576.736602][T11715] RSP: 002b:00007ffe273a8510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  576.736607][T11715] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc91dd9e54e
[  576.736609][T11715] RDX: 0000000000000000 RSI: 00007ffe273a85c0 RDI: 0000000000000005
[  576.736611][T11715] RBP: 00007ffe273a8520 R08: 0000000000000000 R09: 0000000000000000
[  576.736612][T11715] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd4a
[  576.736614][T11715] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe273a8c80
| [  578.223913][T11773] softirqs last disabled at (0): 0x0
| [  578.223915][T11773] Preemption disabled at:
| [  578.223916][T11773] vprintk_emit (kernel/printk/printk.c:2471)
| [  578.223927][T11773] Tainted: [W]=WARN
[  578.223928][T11773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  578.223930][T11773] Call Trace:
[  578.223931][T11773]  <TASK>
[  578.223933][T11773]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  578.223939][T11773]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  578.223940][T11773]  __might_resched.cold (kernel/sched/core.c:9234)
[  578.223944][T11773]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  578.223946][T11773]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  578.223950][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.223952][T11773]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  578.223955][T11773]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  578.223958][T11773]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  578.223963][T11773]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  578.223965][T11773]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  578.223968][T11773]  put_chars (drivers/char/virtio_console.c:1176)
[  578.223970][T11773]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  578.223972][T11773]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  578.223974][T11773]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  578.223979][T11773]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  578.223981][T11773]  ? vsnprintf (lib/vsprintf.c:2900)
[  578.223984][T11773]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  578.223986][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.223987][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.223989][T11773]  console_emit_next_record (kernel/printk/printk.c:3183)
[  578.223992][T11773]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  578.223994][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.223995][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.223996][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.223997][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.223999][T11773]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  578.224001][T11773]  console_flush_one_record (kernel/printk/printk.c:3268)
[  578.224004][T11773]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  578.224007][T11773]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  578.224009][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.224010][T11773]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  578.224012][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224013][T11773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  578.224015][T11773]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  578.224017][T11773]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  578.224018][T11773]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  578.224020][T11773]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  578.224022][T11773]  vprintk_emit (kernel/printk/printk.c:2479)
[  578.224024][T11773]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  578.224025][T11773]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  578.224027][T11773]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  578.224030][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.224031][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224033][T11773]  _printk (kernel/printk/printk.c:2504)
[  578.224036][T11773]  ? snapshot_read.cold (user.c:?)
[  578.224038][T11773]  ? br_multicast_flood (??:?)
[  578.224042][T11773]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  578.224044][T11773]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  578.224046][T11773]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  578.224048][T11773]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  578.224051][T11773]  br_init_port (net/bridge/br_stp_if.c:39)
[  578.224052][T11773]  new_nbp (net/bridge/br_if.c:449)
[  578.224055][T11773]  br_add_if (net/bridge/br_if.c:592)
[  578.224057][T11773]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  578.224061][T11773]  do_set_master (net/core/rtnetlink.c:3071)
[  578.224063][T11773]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  578.224065][T11773]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  578.224066][T11773]  ? __dev_get_by_name (net/core/dev.c:905)
[  578.224068][T11773]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  578.224072][T11773]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  578.224074][T11773]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  578.224082][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224083][T11773]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  578.224084][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.224086][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224088][T11773]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  578.224091][T11773]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  578.224093][T11773]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  578.224095][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224096][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.224098][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224099][T11773]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  578.224101][T11773]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  578.224103][T11773]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  578.224104][T11773]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  578.224106][T11773]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  578.224110][T11773]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  578.224113][T11773]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  578.224114][T11773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  578.224116][T11773]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  578.224117][T11773]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  578.224120][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224121][T11773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  578.224124][T11773]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  578.224126][T11773]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  578.224128][T11773]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  578.224131][T11773]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  578.224134][T11773]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  578.224136][T11773]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  578.224138][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.224140][T11773]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  578.224143][T11773]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  578.224146][T11773]  ____sys_sendmsg (net/socket.c:2713)
[  578.224148][T11773]  ? copy_msghdr_from_user (net/socket.c:2650)
[  578.224150][T11773]  ? sock_write_iter (net/socket.c:1269)
[  578.224152][T11773]  ? move_addr_to_kernel (net/socket.c:258)
[  578.224154][T11773]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  578.224157][T11773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  578.224159][T11773]  ___sys_sendmsg (net/socket.c:2767)
[  578.224160][T11773]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  578.224162][T11773]  ? copy_msghdr_from_user (net/socket.c:2619)
[  578.224164][T11773]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  578.224169][T11773]  __sys_sendmsg (net/socket.c:2799)
[  578.224171][T11773]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  578.224174][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224175][T11773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  578.224177][T11773]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  578.224179][T11773]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  578.224181][T11773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  578.224183][T11773] RIP: 0033:0x7f4a2159e54e
[  578.224185][T11773] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  578.224188][T11773] RSP: 002b:00007ffdd87eacb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  578.224191][T11773] RAX: ffffffffffffffda RBX: 00007ffdd87eb478 RCX: 00007f4a2159e54e
[  578.224193][T11773] RDX: 0000000000000000 RSI: 00007ffdd87ead60 RDI: 0000000000000005
[  578.224194][T11773] RBP: 00007ffdd87eacc0 R08: 0000000000000000 R09: 0000000000000000
[  578.224195][T11773] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd4b
[  578.224196][T11773] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd87eb430
| [  585.277331][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  585.277333][   T68] Preemption disabled at:
| [  585.277333][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  585.277345][   T68] Tainted: [W]=WARN
[  585.277346][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  585.277348][   T68] Workqueue: netns cleanup_net
[  585.277354][   T68] Call Trace:
[  585.277355][   T68]  <TASK>
[  585.277357][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  585.277362][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  585.277364][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  585.277367][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  585.277369][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  585.277373][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277375][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  585.277378][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.277381][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.277386][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  585.277388][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.277391][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  585.277393][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  585.277394][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  585.277397][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  585.277402][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  585.277404][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  585.277406][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.277408][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277409][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277411][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  585.277414][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  585.277416][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277417][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277418][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277419][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.277422][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  585.277424][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  585.277426][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  585.277429][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  585.277431][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.277433][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  585.277435][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277436][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.277437][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  585.277439][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  585.277441][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  585.277443][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  585.277444][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  585.277446][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  585.277447][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  585.277449][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  585.277451][   T68]  ? kthread (kernel/kthread.c:436)
[  585.277453][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  585.277456][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  585.277459][   T68]  _printk (kernel/printk/printk.c:2504)
[  585.277462][   T68]  ? snapshot_read.cold (user.c:?)
[  585.277464][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  585.277467][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  585.277470][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  585.277472][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  585.277474][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277476][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  585.277477][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  585.277480][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  585.277481][   T68]  ? 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)
[  585.277483][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  585.277485][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  585.277487][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  585.277491][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  585.277493][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  585.277496][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  585.277498][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  585.277500][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  585.277503][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  585.277505][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  585.277507][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.277509][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.277511][   T68]  process_one_work (kernel/workqueue.c:3387)
[  585.277514][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  585.277516][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.277519][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  585.277521][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  585.277523][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  585.277525][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  585.277527][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  585.277529][   T68]  kthread (kernel/kthread.c:436)
[  585.277531][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  585.277533][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  585.277535][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  585.277536][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  585.277539][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  585.277542][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  585.277544][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  586.812453][T11936] softirqs last disabled at (0): 0x0
| [  586.812455][T11936] Preemption disabled at:
| [  586.812457][T11936] vprintk_emit (kernel/printk/printk.c:2471)
| [  586.812470][T11936] Tainted: [W]=WARN
[  586.812471][T11936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  586.812474][T11936] Call Trace:
[  586.812476][T11936]  <TASK>
[  586.812478][T11936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  586.812484][T11936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  586.812487][T11936]  __might_resched.cold (kernel/sched/core.c:9234)
[  586.812491][T11936]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  586.812495][T11936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  586.812499][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812503][T11936]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  586.812506][T11936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  586.812510][T11936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.812517][T11936]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  586.812519][T11936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  586.812523][T11936]  put_chars (drivers/char/virtio_console.c:1176)
[  586.812526][T11936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  586.812529][T11936]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  586.812533][T11936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  586.812539][T11936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  586.812542][T11936]  ? vsnprintf (lib/vsprintf.c:2900)
[  586.812546][T11936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  586.812549][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812551][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812554][T11936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  586.812558][T11936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  586.812562][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812564][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812566][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812568][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812571][T11936]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  586.812574][T11936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  586.812578][T11936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  586.812582][T11936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  586.812585][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812588][T11936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  586.812591][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812592][T11936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.812595][T11936]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  586.812597][T11936]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  586.812600][T11936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  586.812603][T11936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  586.812606][T11936]  vprintk_emit (kernel/printk/printk.c:2479)
[  586.812609][T11936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  586.812611][T11936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  586.812614][T11936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  586.812617][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812620][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812622][T11936]  _printk (kernel/printk/printk.c:2504)
[  586.812626][T11936]  ? snapshot_read.cold (user.c:?)
[  586.812630][T11936]  ? br_multicast_flood (??:?)
[  586.812634][T11936]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  586.812638][T11936]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  586.812640][T11936]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  586.812643][T11936]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  586.812648][T11936]  br_init_port (net/bridge/br_stp_if.c:39)
[  586.812651][T11936]  new_nbp (net/bridge/br_if.c:449)
[  586.812654][T11936]  br_add_if (net/bridge/br_if.c:592)
[  586.812657][T11936]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  586.812663][T11936]  do_set_master (net/core/rtnetlink.c:3071)
[  586.812666][T11936]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  586.812669][T11936]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  586.812672][T11936]  ? __dev_get_by_name (net/core/dev.c:905)
[  586.812674][T11936]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  586.812681][T11936]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  586.812690][T11936]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  586.812693][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812695][T11936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.812698][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812700][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812703][T11936]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  586.812707][T11936]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  586.812710][T11936]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  586.812713][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812716][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812718][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812721][T11936]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  586.812723][T11936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  586.812726][T11936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.812729][T11936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  586.812731][T11936]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  586.812737][T11936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  586.812741][T11936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  586.812743][T11936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.812746][T11936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  586.812748][T11936]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  586.812753][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812755][T11936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  586.812759][T11936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  586.812762][T11936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  586.812766][T11936]  ? next_uptodate_folio (mm/filemap.c:3747)
[  586.812770][T11936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  586.812774][T11936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  586.812777][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812779][T11936]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  586.812784][T11936]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  586.812788][T11936]  ____sys_sendmsg (net/socket.c:2713)
[  586.812791][T11936]  ? copy_msghdr_from_user (net/socket.c:2650)
[  586.812794][T11936]  ? sock_write_iter (net/socket.c:1269)
[  586.812796][T11936]  ? move_addr_to_kernel (net/socket.c:258)
[  586.812800][T11936]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  586.812803][T11936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  586.812806][T11936]  ___sys_sendmsg (net/socket.c:2767)
[  586.812809][T11936]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  586.812812][T11936]  ? copy_msghdr_from_user (net/socket.c:2619)
[  586.812815][T11936]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  586.812822][T11936]  __sys_sendmsg (net/socket.c:2799)
[  586.812826][T11936]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  586.812830][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812832][T11936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  586.812835][T11936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  586.812838][T11936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  586.812841][T11936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  586.812845][T11936] RIP: 0033:0x7f17b813b54e
[  586.812848][T11936] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  586.812851][T11936] RSP: 002b:00007fff39ac65f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  586.812856][T11936] RAX: ffffffffffffffda RBX: 00007fff39ac6db8 RCX: 00007f17b813b54e
[  586.812858][T11936] RDX: 0000000000000000 RSI: 00007fff39ac66a0 RDI: 0000000000000005
[  586.812860][T11936] RBP: 00007fff39ac6600 R08: 0000000000000000 R09: 0000000000000000
[  586.812861][T11936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd54
[  586.812863][T11936] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff39ac6d70
| [  588.506362][T12005] softirqs last disabled at (0): 0x0
| [  588.506365][T12005] Preemption disabled at:
| [  588.506365][T12005] vprintk_emit (kernel/printk/printk.c:2471)
| [  588.506376][T12005] Tainted: [W]=WARN
[  588.506377][T12005] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  588.506378][T12005] Call Trace:
[  588.506380][T12005]  <TASK>
[  588.506381][T12005]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  588.506388][T12005]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  588.506389][T12005]  __might_resched.cold (kernel/sched/core.c:9234)
[  588.506393][T12005]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  588.506396][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506399][T12005]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  588.506402][T12005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.506405][T12005]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.506410][T12005]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  588.506412][T12005]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.506415][T12005]  put_chars (drivers/char/virtio_console.c:1176)
[  588.506417][T12005]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  588.506418][T12005]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  588.506420][T12005]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  588.506422][T12005]  ? pointer (lib/vsprintf.c:2577)
[  588.506426][T12005]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  588.506431][T12005]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  588.506433][T12005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.506435][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506438][T12005]  console_emit_next_record (kernel/printk/printk.c:3183)
[  588.506440][T12005]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  588.506443][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506444][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506445][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506446][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506448][T12005]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  588.506450][T12005]  console_flush_one_record (kernel/printk/printk.c:3268)
[  588.506453][T12005]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  588.506455][T12005]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  588.506457][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506459][T12005]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  588.506461][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506462][T12005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.506464][T12005]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  588.506465][T12005]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  588.506467][T12005]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  588.506469][T12005]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  588.506471][T12005]  vprintk_emit (kernel/printk/printk.c:2479)
[  588.506472][T12005]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  588.506474][T12005]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  588.506476][T12005]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  588.506479][T12005]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  588.506482][T12005]  _printk (kernel/printk/printk.c:2504)
[  588.506484][T12005]  ? snapshot_read.cold (user.c:?)
[  588.506487][T12005]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  588.506489][T12005]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  588.506492][T12005]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  588.506494][T12005]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.506498][T12005]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  588.506500][T12005]  ? netdev_notice (net/core/dev.c:13194)
[  588.506502][T12005]  ? 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)
[  588.506504][T12005]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  588.506507][T12005]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.506508][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506509][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506511][T12005]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  588.506512][T12005]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  588.506514][T12005]  ? 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)
[  588.506515][T12005]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.506517][T12005]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  588.506519][T12005]  ? register_netdev (net/core/dev.c:11618)
[  588.506520][T12005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.506522][T12005]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  588.506525][T12005]  ? __kernel_text_address (kernel/extable.c:79)
[  588.506527][T12005]  ? write_profile (profile.c:?)
[  588.506530][T12005]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  588.506534][T12005]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.506536][T12005]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  588.506538][T12005]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  588.506539][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506540][T12005]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  588.506544][T12005]  ? kasan_save_stack (mm/kasan/common.c:58)
[  588.506545][T12005]  ? kasan_save_stack (mm/kasan/common.c:57)
[  588.506547][T12005]  ? kasan_save_track (mm/kasan/common.c:78)
[  588.506548][T12005]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  588.506549][T12005]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  588.506550][T12005]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  588.506551][T12005]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.506553][T12005]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.506555][T12005]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.506557][T12005]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.506559][T12005]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.506561][T12005]  ? ____sys_sendmsg (net/socket.c:2713)
[  588.506563][T12005]  ? ___sys_sendmsg (net/socket.c:2767)
[  588.506564][T12005]  ? __sys_sendmsg (net/socket.c:2799)
[  588.506566][T12005]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.506568][T12005]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.506571][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506572][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506574][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506575][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506576][T12005]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  588.506577][T12005]  ? __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)
[  588.506579][T12005]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  588.506580][T12005]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  588.506582][T12005]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  588.506583][T12005]  ? nla_get_range_signed (lib/nlattr.c:270)
[  588.506586][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506588][T12005]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  588.506590][T12005]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  588.506592][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506593][T12005]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.506594][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506596][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506597][T12005]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  588.506600][T12005]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  588.506601][T12005]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  588.506603][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506604][T12005]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  588.506607][T12005]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  588.506610][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506611][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506613][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506614][T12005]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.506616][T12005]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.506617][T12005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.506619][T12005]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  588.506620][T12005]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  588.506623][T12005]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.506625][T12005]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.506626][T12005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.506628][T12005]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  588.506629][T12005]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  588.506633][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506634][T12005]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.506636][T12005]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.506638][T12005]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  588.506640][T12005]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.506642][T12005]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.506644][T12005]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  588.506646][T12005]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  588.506648][T12005]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.506649][T12005]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  588.506653][T12005]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.506655][T12005]  ____sys_sendmsg (net/socket.c:2713)
[  588.506656][T12005]  ? copy_msghdr_from_user (net/socket.c:2650)
[  588.506658][T12005]  ? sock_write_iter (net/socket.c:1269)
[  588.506660][T12005]  ? move_addr_to_kernel (net/socket.c:258)
[  588.506661][T12005]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  588.506664][T12005]  ___sys_sendmsg (net/socket.c:2767)
[  588.506666][T12005]  ? copy_msghdr_from_user (net/socket.c:2619)
[  588.506671][T12005]  __sys_sendmsg (net/socket.c:2799)
[  588.506673][T12005]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  588.506676][T12005]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.506677][T12005]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.506679][T12005]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  588.506681][T12005]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.506686][T12005] RIP: 0033:0x7f5c61ae854e
[  588.506688][T12005] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  588.506690][T12005] RSP: 002b:00007ffc8a1b6aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  588.506694][T12005] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c61ae854e
[  588.506696][T12005] RDX: 0000000000000000 RSI: 00007ffc8a1b6b50 RDI: 0000000000000005
[  588.506697][T12005] RBP: 00007ffc8a1b6ab0 R08: 0000000000000000 R09: 0000000000000000
[  588.506698][T12005] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd55
[  588.506699][T12005] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8a1b7210
| [  589.799656][T12062] softirqs last disabled at (0): 0x0
| [  589.799659][T12062] Preemption disabled at:
| [  589.799660][T12062] vprintk_emit (kernel/printk/printk.c:2471)
| [  589.799673][T12062] Tainted: [W]=WARN
[  589.799674][T12062] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.799676][T12062] Call Trace:
[  589.799679][T12062]  <TASK>
[  589.799681][T12062]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  589.799692][T12062]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  589.799695][T12062]  __might_resched.cold (kernel/sched/core.c:9234)
[  589.799700][T12062]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  589.799703][T12062]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  589.799708][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799713][T12062]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  589.799717][T12062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.799721][T12062]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.799728][T12062]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  589.799732][T12062]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.799736][T12062]  put_chars (drivers/char/virtio_console.c:1176)
[  589.799739][T12062]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  589.799743][T12062]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  589.799748][T12062]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  589.799755][T12062]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  589.799758][T12062]  ? vsnprintf (lib/vsprintf.c:2900)
[  589.799762][T12062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.799766][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799768][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799772][T12062]  console_emit_next_record (kernel/printk/printk.c:3183)
[  589.799776][T12062]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  589.799780][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799782][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799784][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799787][T12062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.799790][T12062]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  589.799793][T12062]  console_flush_one_record (kernel/printk/printk.c:3268)
[  589.799798][T12062]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  589.799803][T12062]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  589.799806][T12062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.799809][T12062]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  589.799812][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799814][T12062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.799817][T12062]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  589.799820][T12062]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  589.799823][T12062]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  589.799826][T12062]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  589.799829][T12062]  vprintk_emit (kernel/printk/printk.c:2479)
[  589.799832][T12062]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  589.799835][T12062]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.799838][T12062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  589.799842][T12062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.799845][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799848][T12062]  _printk (kernel/printk/printk.c:2504)
[  589.799852][T12062]  ? snapshot_read.cold (user.c:?)
[  589.799856][T12062]  ? br_multicast_flood (??:?)
[  589.799861][T12062]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  589.799865][T12062]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  589.799867][T12062]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.799871][T12062]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  589.799875][T12062]  br_init_port (net/bridge/br_stp_if.c:39)
[  589.799878][T12062]  new_nbp (net/bridge/br_if.c:449)
[  589.799882][T12062]  br_add_if (net/bridge/br_if.c:592)
[  589.799886][T12062]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  589.799892][T12062]  do_set_master (net/core/rtnetlink.c:3071)
[  589.799896][T12062]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  589.799899][T12062]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  589.799902][T12062]  ? __dev_get_by_name (net/core/dev.c:905)
[  589.799905][T12062]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  589.799912][T12062]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  589.799917][T12062]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.799920][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799923][T12062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.799926][T12062]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  589.799930][T12062]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  589.799934][T12062]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  589.799939][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799942][T12062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.799944][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799947][T12062]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.799949][T12062]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  589.799953][T12062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.799955][T12062]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  589.799958][T12062]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  589.799965][T12062]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  589.799969][T12062]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.799972][T12062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.799975][T12062]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  589.799978][T12062]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  589.799983][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.799985][T12062]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.799989][T12062]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  589.799993][T12062]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  589.799996][T12062]  ? next_uptodate_folio (mm/filemap.c:3747)
[  589.800000][T12062]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  589.800004][T12062]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  589.800007][T12062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.800010][T12062]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  589.800015][T12062]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  589.800020][T12062]  ____sys_sendmsg (net/socket.c:2713)
[  589.800023][T12062]  ? copy_msghdr_from_user (net/socket.c:2650)
[  589.800026][T12062]  ? sock_write_iter (net/socket.c:1269)
[  589.800028][T12062]  ? move_addr_to_kernel (net/socket.c:258)
[  589.800032][T12062]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  589.800036][T12062]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.800039][T12062]  ___sys_sendmsg (net/socket.c:2767)
[  589.800042][T12062]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  589.800045][T12062]  ? copy_msghdr_from_user (net/socket.c:2619)
[  589.800049][T12062]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  589.800057][T12062]  __sys_sendmsg (net/socket.c:2799)
[  589.800061][T12062]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  589.800066][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.800068][T12062]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.800071][T12062]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  589.800075][T12062]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  589.800078][T12062]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  589.800082][T12062] RIP: 0033:0x7fd089dcc54e
[  589.800085][T12062] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  589.800089][T12062] RSP: 002b:00007fff31cb9b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  589.800094][T12062] RAX: ffffffffffffffda RBX: 00007fff31cba2e8 RCX: 00007fd089dcc54e
[  589.800097][T12062] RDX: 0000000000000000 RSI: 00007fff31cb9bd0 RDI: 0000000000000005
[  589.800099][T12062] RBP: 00007fff31cb9b30 R08: 0000000000000000 R09: 0000000000000000
[  589.800100][T12062] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd57
[  589.800102][T12062] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff31cba2a0
| [  595.925637][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  595.925639][   T68] Preemption disabled at:
| [  595.925640][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  595.925651][   T68] Tainted: [W]=WARN
[  595.925652][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  595.925654][   T68] Workqueue: netns cleanup_net
[  595.925660][   T68] Call Trace:
[  595.925661][   T68]  <TASK>
[  595.925664][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  595.925669][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  595.925671][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  595.925674][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  595.925677][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  595.925680][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925688][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  595.925691][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.925694][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.925699][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  595.925702][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.925705][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  595.925706][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  595.925709][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  595.925712][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  595.925717][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  595.925719][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  595.925721][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.925723][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925724][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925726][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  595.925729][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  595.925731][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925732][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925734][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925735][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.925737][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  595.925739][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  595.925742][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  595.925745][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  595.925747][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.925748][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  595.925750][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925751][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.925753][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  595.925755][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  595.925756][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  595.925759][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  595.925760][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  595.925762][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  595.925763][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  595.925765][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  595.925768][   T68]  ? kthread (kernel/kthread.c:436)
[  595.925770][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  595.925773][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  595.925776][   T68]  _printk (kernel/printk/printk.c:2504)
[  595.925779][   T68]  ? snapshot_read.cold (user.c:?)
[  595.925782][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  595.925785][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  595.925787][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  595.925789][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  595.925792][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925793][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  595.925795][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  595.925798][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  595.925799][   T68]  ? 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)
[  595.925801][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  595.925803][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  595.925806][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  595.925810][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  595.925812][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  595.925815][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  595.925817][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  595.925819][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  595.925823][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  595.925825][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  595.925827][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.925828][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.925830][   T68]  process_one_work (kernel/workqueue.c:3387)
[  595.925833][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  595.925836][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.925839][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  595.925841][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  595.925843][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  595.925845][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  595.925847][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  595.925849][   T68]  kthread (kernel/kthread.c:436)
[  595.925851][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  595.925852][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  595.925854][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  595.925856][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  595.925858][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  595.925861][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  595.925863][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  597.270642][T12197] softirqs last disabled at (0): 0x0
| [  597.270644][T12197] Preemption disabled at:
| [  597.270645][T12197] vprintk_emit (kernel/printk/printk.c:2471)
| [  597.270656][T12197] Tainted: [W]=WARN
[  597.270657][T12197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  597.270659][T12197] Call Trace:
[  597.270660][T12197]  <TASK>
[  597.270662][T12197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  597.270668][T12197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  597.270670][T12197]  __might_resched.cold (kernel/sched/core.c:9234)
[  597.270674][T12197]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  597.270676][T12197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  597.270679][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270685][T12197]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  597.270689][T12197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.270693][T12197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.270700][T12197]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  597.270702][T12197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.270705][T12197]  put_chars (drivers/char/virtio_console.c:1176)
[  597.270707][T12197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  597.270709][T12197]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  597.270712][T12197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  597.270717][T12197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  597.270719][T12197]  ? vsnprintf (lib/vsprintf.c:2900)
[  597.270722][T12197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.270724][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270725][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270728][T12197]  console_emit_next_record (kernel/printk/printk.c:3183)
[  597.270731][T12197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  597.270733][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270734][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270735][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270737][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270739][T12197]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  597.270741][T12197]  console_flush_one_record (kernel/printk/printk.c:3268)
[  597.270744][T12197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  597.270747][T12197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  597.270749][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270750][T12197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  597.270752][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270753][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.270755][T12197]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  597.270757][T12197]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  597.270758][T12197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  597.270761][T12197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  597.270762][T12197]  vprintk_emit (kernel/printk/printk.c:2479)
[  597.270764][T12197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  597.270765][T12197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.270767][T12197]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  597.270770][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270772][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270773][T12197]  _printk (kernel/printk/printk.c:2504)
[  597.270777][T12197]  ? snapshot_read.cold (user.c:?)
[  597.270779][T12197]  ? br_multicast_flood (??:?)
[  597.270783][T12197]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  597.270786][T12197]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  597.270787][T12197]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  597.270789][T12197]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  597.270791][T12197]  br_init_port (net/bridge/br_stp_if.c:39)
[  597.270793][T12197]  new_nbp (net/bridge/br_if.c:449)
[  597.270796][T12197]  br_add_if (net/bridge/br_if.c:592)
[  597.270798][T12197]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  597.270802][T12197]  do_set_master (net/core/rtnetlink.c:3071)
[  597.270804][T12197]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  597.270806][T12197]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  597.270807][T12197]  ? __dev_get_by_name (net/core/dev.c:905)
[  597.270809][T12197]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  597.270813][T12197]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  597.270816][T12197]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  597.270818][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270819][T12197]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.270821][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270822][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270824][T12197]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  597.270826][T12197]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  597.270828][T12197]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  597.270830][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270831][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270833][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270834][T12197]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.270836][T12197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  597.270837][T12197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.270839][T12197]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  597.270841][T12197]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  597.270844][T12197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  597.270848][T12197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.270849][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.270851][T12197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  597.270853][T12197]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  597.270856][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270857][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.270859][T12197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  597.270861][T12197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  597.270864][T12197]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  597.270866][T12197]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  597.270869][T12197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  597.270872][T12197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  597.270874][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270875][T12197]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  597.270879][T12197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  597.270882][T12197]  ____sys_sendmsg (net/socket.c:2713)
[  597.270884][T12197]  ? copy_msghdr_from_user (net/socket.c:2650)
[  597.270886][T12197]  ? sock_write_iter (net/socket.c:1269)
[  597.270887][T12197]  ? move_addr_to_kernel (net/socket.c:258)
[  597.270890][T12197]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  597.270892][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.270894][T12197]  ___sys_sendmsg (net/socket.c:2767)
[  597.270896][T12197]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  597.270898][T12197]  ? copy_msghdr_from_user (net/socket.c:2619)
[  597.270900][T12197]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  597.270904][T12197]  __sys_sendmsg (net/socket.c:2799)
[  597.270907][T12197]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  597.270909][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270911][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.270912][T12197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  597.270915][T12197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  597.270917][T12197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.270919][T12197] RIP: 0033:0x7fe87147854e
[  597.270921][T12197] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  597.270923][T12197] RSP: 002b:00007ffd0bfa1f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  597.270927][T12197] RAX: ffffffffffffffda RBX: 00007ffd0bfa26e8 RCX: 00007fe87147854e
[  597.270928][T12197] RDX: 0000000000000000 RSI: 00007ffd0bfa1fd0 RDI: 0000000000000005
[  597.270929][T12197] RBP: 00007ffd0bfa1f30 R08: 0000000000000000 R09: 0000000000000000
[  597.270930][T12197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd5e
[  597.270931][T12197] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0bfa26a0
| [  598.738929][T12266] softirqs last disabled at (0): 0x0
| [  598.738931][T12266] Preemption disabled at:
| [  598.738932][T12266] vprintk_emit (kernel/printk/printk.c:2471)
| [  598.738943][T12266] Tainted: [W]=WARN
[  598.738944][T12266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.738946][T12266] Call Trace:
[  598.738947][T12266]  <TASK>
[  598.738948][T12266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  598.738954][T12266]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  598.738956][T12266]  __might_resched.cold (kernel/sched/core.c:9234)
[  598.738960][T12266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  598.738963][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.738966][T12266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  598.738969][T12266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  598.738972][T12266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.738977][T12266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  598.738979][T12266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  598.738982][T12266]  put_chars (drivers/char/virtio_console.c:1176)
[  598.738984][T12266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  598.738985][T12266]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  598.738987][T12266]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  598.738990][T12266]  ? pointer (lib/vsprintf.c:2577)
[  598.738993][T12266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  598.738998][T12266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  598.739000][T12266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  598.739002][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739004][T12266]  console_emit_next_record (kernel/printk/printk.c:3183)
[  598.739007][T12266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  598.739009][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739010][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739012][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739013][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739015][T12266]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  598.739017][T12266]  console_flush_one_record (kernel/printk/printk.c:3268)
[  598.739020][T12266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  598.739023][T12266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  598.739024][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739026][T12266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  598.739028][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739029][T12266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.739031][T12266]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  598.739032][T12266]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  598.739034][T12266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  598.739036][T12266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  598.739038][T12266]  vprintk_emit (kernel/printk/printk.c:2479)
[  598.739040][T12266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  598.739041][T12266]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  598.739044][T12266]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  598.739046][T12266]  _printk (kernel/printk/printk.c:2504)
[  598.739049][T12266]  ? snapshot_read.cold (user.c:?)
[  598.739051][T12266]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  598.739054][T12266]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  598.739057][T12266]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  598.739059][T12266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.739062][T12266]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  598.739065][T12266]  ? netdev_notice (net/core/dev.c:13194)
[  598.739067][T12266]  ? 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)
[  598.739069][T12266]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  598.739072][T12266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  598.739073][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739075][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739076][T12266]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  598.739079][T12266]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  598.739080][T12266]  ? 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)
[  598.739082][T12266]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.739083][T12266]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  598.739085][T12266]  ? register_netdev (net/core/dev.c:11618)
[  598.739087][T12266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.739089][T12266]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  598.739092][T12266]  ? __kernel_text_address (kernel/extable.c:79)
[  598.739094][T12266]  ? write_profile (profile.c:?)
[  598.739097][T12266]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  598.739101][T12266]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  598.739103][T12266]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  598.739105][T12266]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  598.739106][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739107][T12266]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  598.739111][T12266]  ? kasan_save_stack (mm/kasan/common.c:58)
[  598.739112][T12266]  ? kasan_save_stack (mm/kasan/common.c:57)
[  598.739114][T12266]  ? kasan_save_track (mm/kasan/common.c:78)
[  598.739115][T12266]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  598.739116][T12266]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  598.739117][T12266]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  598.739118][T12266]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.739120][T12266]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.739123][T12266]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.739124][T12266]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.739126][T12266]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.739129][T12266]  ? ____sys_sendmsg (net/socket.c:2713)
[  598.739130][T12266]  ? ___sys_sendmsg (net/socket.c:2767)
[  598.739132][T12266]  ? __sys_sendmsg (net/socket.c:2799)
[  598.739134][T12266]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.739136][T12266]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.739139][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739140][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739142][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739143][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739144][T12266]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  598.739146][T12266]  ? __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)
[  598.739147][T12266]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  598.739148][T12266]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  598.739150][T12266]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  598.739151][T12266]  ? nla_get_range_signed (lib/nlattr.c:270)
[  598.739155][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739156][T12266]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  598.739158][T12266]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  598.739160][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739162][T12266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.739163][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739164][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739166][T12266]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  598.739168][T12266]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  598.739170][T12266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  598.739171][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739173][T12266]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  598.739176][T12266]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  598.739178][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739179][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739181][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739182][T12266]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  598.739184][T12266]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  598.739185][T12266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.739187][T12266]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  598.739189][T12266]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  598.739191][T12266]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  598.739193][T12266]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  598.739195][T12266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.739196][T12266]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  598.739198][T12266]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  598.739201][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739202][T12266]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  598.739205][T12266]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  598.739211][T12266]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  598.739213][T12266]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.739215][T12266]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  598.739217][T12266]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  598.739219][T12266]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  598.739221][T12266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  598.739223][T12266]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  598.739226][T12266]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  598.739228][T12266]  ____sys_sendmsg (net/socket.c:2713)
[  598.739230][T12266]  ? copy_msghdr_from_user (net/socket.c:2650)
[  598.739232][T12266]  ? sock_write_iter (net/socket.c:1269)
[  598.739233][T12266]  ? move_addr_to_kernel (net/socket.c:258)
[  598.739235][T12266]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  598.739238][T12266]  ___sys_sendmsg (net/socket.c:2767)
[  598.739239][T12266]  ? copy_msghdr_from_user (net/socket.c:2619)
[  598.739245][T12266]  __sys_sendmsg (net/socket.c:2799)
[  598.739247][T12266]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  598.739250][T12266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  598.739251][T12266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  598.739253][T12266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  598.739255][T12266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  598.739257][T12266] RIP: 0033:0x7f6dc926954e
[  598.739259][T12266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  598.739261][T12266] RSP: 002b:00007ffeee9eed30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  598.739264][T12266] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6dc926954e
[  598.739266][T12266] RDX: 0000000000000000 RSI: 00007ffeee9eede0 RDI: 0000000000000005
[  598.739267][T12266] RBP: 00007ffeee9eed40 R08: 0000000000000000 R09: 0000000000000000
[  598.739268][T12266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd60
[  598.739269][T12266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeee9ef4a0
| [  599.936731][T12316] softirqs last disabled at (0): 0x0
| [  599.936733][T12316] Preemption disabled at:
| [  599.936734][T12316] vprintk_emit (kernel/printk/printk.c:2471)
| [  599.936744][T12316] Tainted: [W]=WARN
[  599.936745][T12316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  599.936747][T12316] Call Trace:
[  599.936749][T12316]  <TASK>
[  599.936750][T12316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  599.936756][T12316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  599.936758][T12316]  __might_resched.cold (kernel/sched/core.c:9234)
[  599.936762][T12316]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  599.936764][T12316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  599.936768][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936770][T12316]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  599.936773][T12316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  599.936777][T12316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  599.936782][T12316]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  599.936784][T12316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  599.936787][T12316]  put_chars (drivers/char/virtio_console.c:1176)
[  599.936788][T12316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  599.936790][T12316]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  599.936793][T12316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  599.936798][T12316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  599.936800][T12316]  ? vsnprintf (lib/vsprintf.c:2900)
[  599.936803][T12316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  599.936804][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936806][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936808][T12316]  console_emit_next_record (kernel/printk/printk.c:3183)
[  599.936810][T12316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  599.936813][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936814][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936815][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936816][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936819][T12316]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  599.936821][T12316]  console_flush_one_record (kernel/printk/printk.c:3268)
[  599.936823][T12316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  599.936826][T12316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  599.936828][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936829][T12316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  599.936831][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936832][T12316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  599.936834][T12316]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  599.936835][T12316]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  599.936837][T12316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  599.936839][T12316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  599.936841][T12316]  vprintk_emit (kernel/printk/printk.c:2479)
[  599.936842][T12316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  599.936844][T12316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  599.936845][T12316]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  599.936848][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936850][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936851][T12316]  _printk (kernel/printk/printk.c:2504)
[  599.936854][T12316]  ? snapshot_read.cold (user.c:?)
[  599.936857][T12316]  ? br_multicast_flood (??:?)
[  599.936860][T12316]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  599.936863][T12316]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  599.936864][T12316]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  599.936866][T12316]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  599.936869][T12316]  br_init_port (net/bridge/br_stp_if.c:39)
[  599.936871][T12316]  new_nbp (net/bridge/br_if.c:449)
[  599.936874][T12316]  br_add_if (net/bridge/br_if.c:592)
[  599.936875][T12316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  599.936880][T12316]  do_set_master (net/core/rtnetlink.c:3071)
[  599.936882][T12316]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  599.936884][T12316]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  599.936885][T12316]  ? __dev_get_by_name (net/core/dev.c:905)
[  599.936887][T12316]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  599.936891][T12316]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  599.936893][T12316]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  599.936896][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936897][T12316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  599.936898][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936900][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936901][T12316]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  599.936904][T12316]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  599.936906][T12316]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  599.936908][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936909][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936911][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936912][T12316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  599.936913][T12316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  599.936915][T12316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  599.936917][T12316]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  599.936918][T12316]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  599.936922][T12316]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  599.936925][T12316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  599.936926][T12316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  599.936928][T12316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  599.936930][T12316]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  599.936933][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936934][T12316]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  599.936936][T12316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  599.936939][T12316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  599.936941][T12316]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  599.936944][T12316]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  599.936946][T12316]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  599.936949][T12316]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  599.936951][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936953][T12316]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  599.936956][T12316]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  599.936960][T12316]  ____sys_sendmsg (net/socket.c:2713)
[  599.936961][T12316]  ? copy_msghdr_from_user (net/socket.c:2650)
[  599.936963][T12316]  ? sock_write_iter (net/socket.c:1269)
[  599.936965][T12316]  ? move_addr_to_kernel (net/socket.c:258)
[  599.936967][T12316]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  599.936970][T12316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.936972][T12316]  ___sys_sendmsg (net/socket.c:2767)
[  599.936973][T12316]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  599.936975][T12316]  ? copy_msghdr_from_user (net/socket.c:2619)
[  599.936977][T12316]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  599.936982][T12316]  __sys_sendmsg (net/socket.c:2799)
[  599.936984][T12316]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  599.936987][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936988][T12316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.936989][T12316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  599.936992][T12316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  599.936994][T12316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  599.936996][T12316] RIP: 0033:0x7f061187754e
[  599.936998][T12316] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  599.937000][T12316] RSP: 002b:00007ffce42907e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  599.937004][T12316] RAX: ffffffffffffffda RBX: 00007ffce4290fa8 RCX: 00007f061187754e
[  599.937006][T12316] RDX: 0000000000000000 RSI: 00007ffce4290890 RDI: 0000000000000005
[  599.937007][T12316] RBP: 00007ffce42907f0 R08: 0000000000000000 R09: 0000000000000000
[  599.937008][T12316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd61
[  599.937009][T12316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce4290f60
| [  605.996162][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  605.996165][   T68] Preemption disabled at:
| [  605.996166][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.996177][   T68] Tainted: [W]=WARN
[  605.996178][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.996180][   T68] Workqueue: netns cleanup_net
[  605.996186][   T68] Call Trace:
[  605.996188][   T68]  <TASK>
[  605.996189][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.996195][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.996196][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.996200][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  605.996203][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.996207][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996209][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  605.996212][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.996216][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.996220][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  605.996222][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.996225][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  605.996227][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.996228][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  605.996231][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.996236][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.996238][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  605.996241][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.996242][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996243][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996245][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.996248][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.996250][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996251][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996252][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996262][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.996264][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  605.996266][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.996269][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.996272][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.996274][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.996275][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.996277][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996278][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.996280][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  605.996281][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  605.996283][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.996285][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.996287][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.996289][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.996290][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  605.996291][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  605.996294][   T68]  ? kthread (kernel/kthread.c:436)
[  605.996297][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  605.996300][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  605.996303][   T68]  _printk (kernel/printk/printk.c:2504)
[  605.996306][   T68]  ? snapshot_read.cold (user.c:?)
[  605.996308][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  605.996312][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  605.996314][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  605.996316][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  605.996319][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996320][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  605.996321][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  605.996324][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  605.996326][   T68]  ? 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)
[  605.996327][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  605.996330][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  605.996333][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  605.996336][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  605.996338][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  605.996341][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  605.996343][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  605.996345][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  605.996348][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  605.996350][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  605.996352][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.996354][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.996355][   T68]  process_one_work (kernel/workqueue.c:3387)
[  605.996358][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  605.996361][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.996364][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  605.996366][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  605.996368][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  605.996370][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  605.996372][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  605.996374][   T68]  kthread (kernel/kthread.c:436)
[  605.996376][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  605.996378][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  605.996380][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  605.996382][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  605.996384][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  605.996387][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  605.996389][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  607.326346][T12451] softirqs last disabled at (0): 0x0
| [  607.326348][T12451] Preemption disabled at:
| [  607.326349][T12451] vprintk_emit (kernel/printk/printk.c:2471)
| [  607.326359][T12451] Tainted: [W]=WARN
[  607.326360][T12451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  607.326362][T12451] Call Trace:
[  607.326364][T12451]  <TASK>
[  607.326365][T12451]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  607.326371][T12451]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  607.326372][T12451]  __might_resched.cold (kernel/sched/core.c:9234)
[  607.326376][T12451]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  607.326379][T12451]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  607.326382][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326385][T12451]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  607.326388][T12451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  607.326391][T12451]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.326397][T12451]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  607.326399][T12451]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  607.326402][T12451]  put_chars (drivers/char/virtio_console.c:1176)
[  607.326403][T12451]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  607.326405][T12451]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  607.326408][T12451]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  607.326413][T12451]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  607.326415][T12451]  ? vsnprintf (lib/vsprintf.c:2900)
[  607.326418][T12451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  607.326420][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326421][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326423][T12451]  console_emit_next_record (kernel/printk/printk.c:3183)
[  607.326426][T12451]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  607.326428][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326429][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326430][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326432][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326434][T12451]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  607.326436][T12451]  console_flush_one_record (kernel/printk/printk.c:3268)
[  607.326439][T12451]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  607.326442][T12451]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  607.326444][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326445][T12451]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  607.326447][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326448][T12451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.326450][T12451]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  607.326451][T12451]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  607.326453][T12451]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  607.326455][T12451]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  607.326456][T12451]  vprintk_emit (kernel/printk/printk.c:2479)
[  607.326458][T12451]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  607.326459][T12451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  607.326461][T12451]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  607.326464][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326466][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326467][T12451]  _printk (kernel/printk/printk.c:2504)
[  607.326470][T12451]  ? snapshot_read.cold (user.c:?)
[  607.326473][T12451]  ? br_multicast_flood (??:?)
[  607.326476][T12451]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  607.326479][T12451]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  607.326480][T12451]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  607.326482][T12451]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  607.326485][T12451]  br_init_port (net/bridge/br_stp_if.c:39)
[  607.326487][T12451]  new_nbp (net/bridge/br_if.c:449)
[  607.326489][T12451]  br_add_if (net/bridge/br_if.c:592)
[  607.326491][T12451]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  607.326496][T12451]  do_set_master (net/core/rtnetlink.c:3071)
[  607.326498][T12451]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  607.326499][T12451]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  607.326501][T12451]  ? __dev_get_by_name (net/core/dev.c:905)
[  607.326503][T12451]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  607.326507][T12451]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  607.326509][T12451]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  607.326512][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326513][T12451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.326514][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326516][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326518][T12451]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  607.326520][T12451]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  607.326522][T12451]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  607.326525][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326526][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326528][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326529][T12451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  607.326530][T12451]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  607.326532][T12451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.326534][T12451]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  607.326535][T12451]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  607.326539][T12451]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  607.326542][T12451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  607.326544][T12451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.326546][T12451]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  607.326547][T12451]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  607.326551][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326552][T12451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  607.326554][T12451]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  607.326556][T12451]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  607.326559][T12451]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  607.326561][T12451]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  607.326564][T12451]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  607.326567][T12451]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  607.326569][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326571][T12451]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  607.326575][T12451]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  607.326578][T12451]  ____sys_sendmsg (net/socket.c:2713)
[  607.326580][T12451]  ? copy_msghdr_from_user (net/socket.c:2650)
[  607.326582][T12451]  ? sock_write_iter (net/socket.c:1269)
[  607.326583][T12451]  ? move_addr_to_kernel (net/socket.c:258)
[  607.326585][T12451]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  607.326588][T12451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  607.326590][T12451]  ___sys_sendmsg (net/socket.c:2767)
[  607.326592][T12451]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  607.326594][T12451]  ? copy_msghdr_from_user (net/socket.c:2619)
[  607.326595][T12451]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  607.326600][T12451]  __sys_sendmsg (net/socket.c:2799)
[  607.326602][T12451]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  607.326605][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326606][T12451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  607.326608][T12451]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  607.326610][T12451]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  607.326613][T12451]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  607.326615][T12451] RIP: 0033:0x7f894ccd154e
[  607.326617][T12451] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  607.326619][T12451] RSP: 002b:00007ffca4a643a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  607.326623][T12451] RAX: ffffffffffffffda RBX: 00007ffca4a64b68 RCX: 00007f894ccd154e
[  607.326624][T12451] RDX: 0000000000000000 RSI: 00007ffca4a64450 RDI: 0000000000000005
[  607.326625][T12451] RBP: 00007ffca4a643b0 R08: 0000000000000000 R09: 0000000000000000
[  607.326626][T12451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd68
[  607.326627][T12451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca4a64b20
| [  608.784831][T12520] softirqs last disabled at (0): 0x0
| [  608.784833][T12520] Preemption disabled at:
| [  608.784834][T12520] vprintk_emit (kernel/printk/printk.c:2471)
| [  608.784845][T12520] Tainted: [W]=WARN
[  608.784846][T12520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  608.784848][T12520] Call Trace:
[  608.784850][T12520]  <TASK>
[  608.784851][T12520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  608.784857][T12520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  608.784858][T12520]  __might_resched.cold (kernel/sched/core.c:9234)
[  608.784862][T12520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  608.784865][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784868][T12520]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  608.784871][T12520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  608.784874][T12520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  608.784880][T12520]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  608.784882][T12520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  608.784885][T12520]  put_chars (drivers/char/virtio_console.c:1176)
[  608.784886][T12520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  608.784888][T12520]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  608.784890][T12520]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  608.784893][T12520]  ? pointer (lib/vsprintf.c:2577)
[  608.784896][T12520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  608.784901][T12520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  608.784903][T12520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  608.784905][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.784908][T12520]  console_emit_next_record (kernel/printk/printk.c:3183)
[  608.784911][T12520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  608.784913][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784914][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784915][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784916][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.784919][T12520]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  608.784921][T12520]  console_flush_one_record (kernel/printk/printk.c:3268)
[  608.784923][T12520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  608.784926][T12520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  608.784928][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.784930][T12520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  608.784932][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784933][T12520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  608.784935][T12520]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  608.784937][T12520]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  608.784938][T12520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  608.784940][T12520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  608.784942][T12520]  vprintk_emit (kernel/printk/printk.c:2479)
[  608.784944][T12520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  608.784945][T12520]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  608.784947][T12520]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  608.784950][T12520]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  608.784953][T12520]  _printk (kernel/printk/printk.c:2504)
[  608.784956][T12520]  ? snapshot_read.cold (user.c:?)
[  608.784958][T12520]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  608.784960][T12520]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  608.784964][T12520]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  608.784966][T12520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  608.784969][T12520]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  608.784972][T12520]  ? netdev_notice (net/core/dev.c:13194)
[  608.784974][T12520]  ? 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)
[  608.784976][T12520]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  608.784978][T12520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  608.784980][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784981][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.784982][T12520]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  608.784984][T12520]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  608.784986][T12520]  ? 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)
[  608.784987][T12520]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  608.784988][T12520]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  608.784990][T12520]  ? register_netdev (net/core/dev.c:11618)
[  608.784992][T12520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  608.784994][T12520]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  608.784997][T12520]  ? __kernel_text_address (kernel/extable.c:79)
[  608.784999][T12520]  ? write_profile (profile.c:?)
[  608.785002][T12520]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  608.785006][T12520]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  608.785008][T12520]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  608.785010][T12520]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  608.785011][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785013][T12520]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  608.785017][T12520]  ? kasan_save_stack (mm/kasan/common.c:58)
[  608.785018][T12520]  ? kasan_save_stack (mm/kasan/common.c:57)
[  608.785020][T12520]  ? kasan_save_track (mm/kasan/common.c:78)
[  608.785021][T12520]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  608.785022][T12520]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  608.785023][T12520]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  608.785024][T12520]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  608.785026][T12520]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  608.785029][T12520]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  608.785030][T12520]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  608.785032][T12520]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  608.785035][T12520]  ? ____sys_sendmsg (net/socket.c:2713)
[  608.785036][T12520]  ? ___sys_sendmsg (net/socket.c:2767)
[  608.785037][T12520]  ? __sys_sendmsg (net/socket.c:2799)
[  608.785039][T12520]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  608.785042][T12520]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  608.785044][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785046][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.785047][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785049][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785050][T12520]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  608.785052][T12520]  ? __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)
[  608.785053][T12520]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  608.785054][T12520]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  608.785056][T12520]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  608.785057][T12520]  ? nla_get_range_signed (lib/nlattr.c:270)
[  608.785060][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785062][T12520]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  608.785064][T12520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  608.785066][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785067][T12520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  608.785069][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.785070][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785072][T12520]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  608.785074][T12520]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  608.785075][T12520]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  608.785077][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785078][T12520]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  608.785082][T12520]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  608.785084][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785085][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.785087][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785088][T12520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  608.785090][T12520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  608.785092][T12520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  608.785093][T12520]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  608.785095][T12520]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  608.785098][T12520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  608.785100][T12520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  608.785102][T12520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  608.785104][T12520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  608.785105][T12520]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  608.785109][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785110][T12520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  608.785112][T12520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  608.785114][T12520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  608.785116][T12520]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  608.785118][T12520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  608.785120][T12520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  608.785122][T12520]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  608.785124][T12520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  608.785125][T12520]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  608.785129][T12520]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  608.785131][T12520]  ____sys_sendmsg (net/socket.c:2713)
[  608.785132][T12520]  ? copy_msghdr_from_user (net/socket.c:2650)
[  608.785134][T12520]  ? sock_write_iter (net/socket.c:1269)
[  608.785136][T12520]  ? move_addr_to_kernel (net/socket.c:258)
[  608.785138][T12520]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  608.785140][T12520]  ___sys_sendmsg (net/socket.c:2767)
[  608.785142][T12520]  ? copy_msghdr_from_user (net/socket.c:2619)
[  608.785147][T12520]  __sys_sendmsg (net/socket.c:2799)
[  608.785149][T12520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  608.785152][T12520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  608.785154][T12520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  608.785156][T12520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  608.785158][T12520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  608.785159][T12520] RIP: 0033:0x7f35e068554e
[  608.785161][T12520] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  608.785164][T12520] RSP: 002b:00007fffd5337a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  608.785168][T12520] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f35e068554e
[  608.785169][T12520] RDX: 0000000000000000 RSI: 00007fffd5337b10 RDI: 0000000000000005
[  608.785170][T12520] RBP: 00007fffd5337a70 R08: 0000000000000000 R09: 0000000000000000
[  608.785171][T12520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd6a
[  608.785172][T12520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd53381d0
| [  609.973053][T12570] softirqs last disabled at (0): 0x0
| [  609.973055][T12570] Preemption disabled at:
| [  609.973056][T12570] vprintk_emit (kernel/printk/printk.c:2471)
| [  609.973066][T12570] Tainted: [W]=WARN
[  609.973067][T12570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  609.973069][T12570] Call Trace:
[  609.973071][T12570]  <TASK>
[  609.973072][T12570]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  609.973078][T12570]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  609.973079][T12570]  __might_resched.cold (kernel/sched/core.c:9234)
[  609.973083][T12570]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  609.973085][T12570]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  609.973088][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973091][T12570]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  609.973095][T12570]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.973098][T12570]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.973103][T12570]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  609.973105][T12570]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.973107][T12570]  put_chars (drivers/char/virtio_console.c:1176)
[  609.973109][T12570]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  609.973111][T12570]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  609.973114][T12570]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  609.973119][T12570]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  609.973120][T12570]  ? vsnprintf (lib/vsprintf.c:2900)
[  609.973124][T12570]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.973125][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973126][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973128][T12570]  console_emit_next_record (kernel/printk/printk.c:3183)
[  609.973131][T12570]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  609.973133][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973135][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973136][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973137][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973139][T12570]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  609.973141][T12570]  console_flush_one_record (kernel/printk/printk.c:3268)
[  609.973144][T12570]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  609.973146][T12570]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  609.973148][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973150][T12570]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  609.973152][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973153][T12570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.973154][T12570]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  609.973156][T12570]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  609.973158][T12570]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  609.973160][T12570]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  609.973161][T12570]  vprintk_emit (kernel/printk/printk.c:2479)
[  609.973163][T12570]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  609.973164][T12570]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.973166][T12570]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  609.973170][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973171][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973173][T12570]  _printk (kernel/printk/printk.c:2504)
[  609.973176][T12570]  ? snapshot_read.cold (user.c:?)
[  609.973178][T12570]  ? br_multicast_flood (??:?)
[  609.973181][T12570]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  609.973184][T12570]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  609.973186][T12570]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  609.973187][T12570]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  609.973190][T12570]  br_init_port (net/bridge/br_stp_if.c:39)
[  609.973192][T12570]  new_nbp (net/bridge/br_if.c:449)
[  609.973194][T12570]  br_add_if (net/bridge/br_if.c:592)
[  609.973196][T12570]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  609.973201][T12570]  do_set_master (net/core/rtnetlink.c:3071)
[  609.973203][T12570]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  609.973205][T12570]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  609.973206][T12570]  ? __dev_get_by_name (net/core/dev.c:905)
[  609.973208][T12570]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  609.973212][T12570]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  609.973215][T12570]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  609.973217][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973218][T12570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.973219][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973221][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973223][T12570]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  609.973225][T12570]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  609.973227][T12570]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  609.973230][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973231][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973233][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973234][T12570]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  609.973235][T12570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  609.973237][T12570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.973239][T12570]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  609.973240][T12570]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  609.973244][T12570]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  609.973247][T12570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  609.973249][T12570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.973250][T12570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  609.973252][T12570]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  609.973255][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973256][T12570]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.973258][T12570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  609.973261][T12570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  609.973263][T12570]  ? next_uptodate_folio (mm/filemap.c:3747)
[  609.973266][T12570]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  609.973268][T12570]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  609.973270][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973272][T12570]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  609.973276][T12570]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  609.973284][T12570]  ____sys_sendmsg (net/socket.c:2713)
[  609.973286][T12570]  ? copy_msghdr_from_user (net/socket.c:2650)
[  609.973288][T12570]  ? sock_write_iter (net/socket.c:1269)
[  609.973289][T12570]  ? move_addr_to_kernel (net/socket.c:258)
[  609.973291][T12570]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  609.973294][T12570]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.973296][T12570]  ___sys_sendmsg (net/socket.c:2767)
[  609.973298][T12570]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  609.973300][T12570]  ? copy_msghdr_from_user (net/socket.c:2619)
[  609.973301][T12570]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  609.973306][T12570]  __sys_sendmsg (net/socket.c:2799)
[  609.973308][T12570]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  609.973311][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973312][T12570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.973314][T12570]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  609.973316][T12570]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  609.973318][T12570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  609.973321][T12570] RIP: 0033:0x7f503483054e
[  609.973323][T12570] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  609.973325][T12570] RSP: 002b:00007ffcb5333020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  609.973329][T12570] RAX: ffffffffffffffda RBX: 00007ffcb53337e8 RCX: 00007f503483054e
[  609.973330][T12570] RDX: 0000000000000000 RSI: 00007ffcb53330d0 RDI: 0000000000000005
[  609.973332][T12570] RBP: 00007ffcb5333030 R08: 0000000000000000 R09: 0000000000000000
[  609.973332][T12570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd6b
[  609.973333][T12570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb53337a0
| [  616.033179][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  616.033182][   T68] Preemption disabled at:
| [  616.033183][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  616.033194][   T68] Tainted: [W]=WARN
[  616.033195][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  616.033196][   T68] Workqueue: netns cleanup_net
[  616.033203][   T68] Call Trace:
[  616.033204][   T68]  <TASK>
[  616.033206][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  616.033212][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  616.033213][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  616.033217][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  616.033219][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  616.033223][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033225][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  616.033228][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  616.033232][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.033237][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  616.033239][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  616.033241][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  616.033243][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  616.033245][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  616.033248][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  616.033253][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  616.033254][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  616.033257][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  616.033258][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033260][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033262][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  616.033265][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  616.033267][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033268][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033269][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033270][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.033273][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  616.033275][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  616.033277][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  616.033280][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  616.033282][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.033284][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  616.033285][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033286][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  616.033288][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  616.033289][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  616.033291][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  616.033293][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  616.033295][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  616.033296][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  616.033298][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  616.033299][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  616.033302][   T68]  ? kthread (kernel/kthread.c:436)
[  616.033304][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  616.033307][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  616.033310][   T68]  _printk (kernel/printk/printk.c:2504)
[  616.033313][   T68]  ? snapshot_read.cold (user.c:?)
[  616.033315][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  616.033324][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  616.033326][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  616.033328][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  616.033330][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033332][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  616.033333][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  616.033336][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  616.033338][   T68]  ? 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)
[  616.033339][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  616.033342][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  616.033345][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  616.033349][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  616.033351][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  616.033353][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  616.033356][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  616.033358][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  616.033360][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  616.033362][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  616.033364][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  616.033366][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  616.033368][   T68]  process_one_work (kernel/workqueue.c:3387)
[  616.033371][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  616.033373][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  616.033376][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  616.033378][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  616.033380][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  616.033382][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  616.033384][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  616.033386][   T68]  kthread (kernel/kthread.c:436)
[  616.033388][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  616.033390][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  616.033391][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  616.033393][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  616.033395][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  616.033398][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  616.033400][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  617.312371][T12705] softirqs last disabled at (0): 0x0
| [  617.312373][T12705] Preemption disabled at:
| [  617.312374][T12705] vprintk_emit (kernel/printk/printk.c:2471)
| [  617.312384][T12705] Tainted: [W]=WARN
[  617.312385][T12705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  617.312387][T12705] Call Trace:
[  617.312388][T12705]  <TASK>
[  617.312389][T12705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  617.312396][T12705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  617.312397][T12705]  __might_resched.cold (kernel/sched/core.c:9234)
[  617.312401][T12705]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  617.312403][T12705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  617.312407][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312409][T12705]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  617.312412][T12705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  617.312415][T12705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  617.312421][T12705]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  617.312422][T12705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  617.312425][T12705]  put_chars (drivers/char/virtio_console.c:1176)
[  617.312427][T12705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  617.312429][T12705]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  617.312432][T12705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  617.312437][T12705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  617.312438][T12705]  ? vsnprintf (lib/vsprintf.c:2900)
[  617.312442][T12705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  617.312443][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312444][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312446][T12705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  617.312449][T12705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  617.312451][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312453][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312454][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312455][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312457][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  617.312459][T12705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  617.312461][T12705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  617.312464][T12705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  617.312466][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312468][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  617.312469][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312470][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  617.312472][T12705]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  617.312474][T12705]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  617.312475][T12705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  617.312477][T12705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  617.312479][T12705]  vprintk_emit (kernel/printk/printk.c:2479)
[  617.312481][T12705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  617.312482][T12705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  617.312484][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  617.312487][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312489][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312490][T12705]  _printk (kernel/printk/printk.c:2504)
[  617.312493][T12705]  ? snapshot_read.cold (user.c:?)
[  617.312495][T12705]  ? br_multicast_flood (??:?)
[  617.312499][T12705]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  617.312502][T12705]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  617.312503][T12705]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  617.312505][T12705]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  617.312508][T12705]  br_init_port (net/bridge/br_stp_if.c:39)
[  617.312510][T12705]  new_nbp (net/bridge/br_if.c:449)
[  617.312512][T12705]  br_add_if (net/bridge/br_if.c:592)
[  617.312514][T12705]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  617.312518][T12705]  do_set_master (net/core/rtnetlink.c:3071)
[  617.312520][T12705]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  617.312522][T12705]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  617.312523][T12705]  ? __dev_get_by_name (net/core/dev.c:905)
[  617.312525][T12705]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  617.312529][T12705]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  617.312532][T12705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  617.312534][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312535][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  617.312536][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312538][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312539][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  617.312542][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  617.312544][T12705]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  617.312547][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312548][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312549][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312551][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  617.312552][T12705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  617.312554][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  617.312555][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  617.312557][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  617.312561][T12705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  617.312564][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  617.312565][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  617.312567][T12705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  617.312568][T12705]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  617.312572][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312573][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  617.312575][T12705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  617.312577][T12705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  617.312579][T12705]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  617.312582][T12705]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  617.312585][T12705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  617.312587][T12705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  617.312589][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312591][T12705]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  617.312595][T12705]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  617.312598][T12705]  ____sys_sendmsg (net/socket.c:2713)
[  617.312600][T12705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  617.312602][T12705]  ? sock_write_iter (net/socket.c:1269)
[  617.312603][T12705]  ? move_addr_to_kernel (net/socket.c:258)
[  617.312605][T12705]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  617.312608][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.312610][T12705]  ___sys_sendmsg (net/socket.c:2767)
[  617.312612][T12705]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  617.312613][T12705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  617.312615][T12705]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  617.312620][T12705]  __sys_sendmsg (net/socket.c:2799)
[  617.312622][T12705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  617.312625][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312626][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.312628][T12705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  617.312630][T12705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  617.312632][T12705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  617.312634][T12705] RIP: 0033:0x7f8b2938e54e
[  617.312636][T12705] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  617.312638][T12705] RSP: 002b:00007ffed1c3eb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  617.312642][T12705] RAX: ffffffffffffffda RBX: 00007ffed1c3f2d8 RCX: 00007f8b2938e54e
[  617.312644][T12705] RDX: 0000000000000000 RSI: 00007ffed1c3ebc0 RDI: 0000000000000005
[  617.312645][T12705] RBP: 00007ffed1c3eb20 R08: 0000000000000000 R09: 0000000000000000
[  617.312646][T12705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd72
[  617.312646][T12705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed1c3f290
| [  618.762826][T12774] softirqs last disabled at (0): 0x0
| [  618.762828][T12774] Preemption disabled at:
| [  618.762829][T12774] vprintk_emit (kernel/printk/printk.c:2471)
| [  618.762839][T12774] Tainted: [W]=WARN
[  618.762840][T12774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  618.762842][T12774] Call Trace:
[  618.762843][T12774]  <TASK>
[  618.762845][T12774]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  618.762851][T12774]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  618.762852][T12774]  __might_resched.cold (kernel/sched/core.c:9234)
[  618.762856][T12774]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  618.762860][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762863][T12774]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  618.762865][T12774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.762869][T12774]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.762874][T12774]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  618.762876][T12774]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  618.762879][T12774]  put_chars (drivers/char/virtio_console.c:1176)
[  618.762880][T12774]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  618.762881][T12774]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  618.762884][T12774]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  618.762886][T12774]  ? pointer (lib/vsprintf.c:2577)
[  618.762890][T12774]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  618.762894][T12774]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  618.762896][T12774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.762898][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.762901][T12774]  console_emit_next_record (kernel/printk/printk.c:3183)
[  618.762904][T12774]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  618.762906][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762907][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762908][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762909][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.762911][T12774]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  618.762913][T12774]  console_flush_one_record (kernel/printk/printk.c:3268)
[  618.762916][T12774]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  618.762919][T12774]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  618.762921][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.762923][T12774]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  618.762925][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762926][T12774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.762927][T12774]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  618.762929][T12774]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  618.762930][T12774]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  618.762933][T12774]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  618.762934][T12774]  vprintk_emit (kernel/printk/printk.c:2479)
[  618.762936][T12774]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  618.762937][T12774]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  618.762940][T12774]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  618.762943][T12774]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  618.762946][T12774]  _printk (kernel/printk/printk.c:2504)
[  618.762949][T12774]  ? snapshot_read.cold (user.c:?)
[  618.762951][T12774]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  618.762953][T12774]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  618.762957][T12774]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  618.762959][T12774]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.762962][T12774]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  618.762964][T12774]  ? netdev_notice (net/core/dev.c:13194)
[  618.762967][T12774]  ? 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)
[  618.762968][T12774]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  618.762971][T12774]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  618.762973][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762974][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.762976][T12774]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  618.762977][T12774]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  618.762979][T12774]  ? 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)
[  618.762980][T12774]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.762982][T12774]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  618.762983][T12774]  ? register_netdev (net/core/dev.c:11618)
[  618.762985][T12774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.762987][T12774]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  618.762990][T12774]  ? __kernel_text_address (kernel/extable.c:79)
[  618.762992][T12774]  ? write_profile (profile.c:?)
[  618.762995][T12774]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  618.762999][T12774]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  618.763001][T12774]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  618.763003][T12774]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  618.763004][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763005][T12774]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  618.763009][T12774]  ? kasan_save_stack (mm/kasan/common.c:58)
[  618.763011][T12774]  ? kasan_save_stack (mm/kasan/common.c:57)
[  618.763012][T12774]  ? kasan_save_track (mm/kasan/common.c:78)
[  618.763013][T12774]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  618.763014][T12774]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  618.763015][T12774]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  618.763017][T12774]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  618.763018][T12774]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  618.763021][T12774]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  618.763022][T12774]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  618.763024][T12774]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  618.763027][T12774]  ? ____sys_sendmsg (net/socket.c:2713)
[  618.763028][T12774]  ? ___sys_sendmsg (net/socket.c:2767)
[  618.763030][T12774]  ? __sys_sendmsg (net/socket.c:2799)
[  618.763032][T12774]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  618.763034][T12774]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.763037][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763038][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.763040][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763041][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763042][T12774]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  618.763044][T12774]  ? __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)
[  618.763045][T12774]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  618.763046][T12774]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  618.763048][T12774]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  618.763049][T12774]  ? nla_get_range_signed (lib/nlattr.c:270)
[  618.763052][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763053][T12774]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  618.763056][T12774]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  618.763058][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763059][T12774]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.763060][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.763062][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763063][T12774]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  618.763066][T12774]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  618.763067][T12774]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  618.763069][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763070][T12774]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  618.763073][T12774]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  618.763075][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763077][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.763078][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763080][T12774]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  618.763081][T12774]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  618.763083][T12774]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.763084][T12774]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  618.763086][T12774]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  618.763088][T12774]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  618.763090][T12774]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  618.763092][T12774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.763093][T12774]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  618.763095][T12774]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  618.763099][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763100][T12774]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  618.763102][T12774]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  618.763105][T12774]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  618.763107][T12774]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.763109][T12774]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  618.763111][T12774]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  618.763113][T12774]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  618.763115][T12774]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  618.763116][T12774]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  618.763120][T12774]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  618.763122][T12774]  ____sys_sendmsg (net/socket.c:2713)
[  618.763123][T12774]  ? copy_msghdr_from_user (net/socket.c:2650)
[  618.763125][T12774]  ? sock_write_iter (net/socket.c:1269)
[  618.763127][T12774]  ? move_addr_to_kernel (net/socket.c:258)
[  618.763128][T12774]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  618.763131][T12774]  ___sys_sendmsg (net/socket.c:2767)
[  618.763133][T12774]  ? copy_msghdr_from_user (net/socket.c:2619)
[  618.763138][T12774]  __sys_sendmsg (net/socket.c:2799)
[  618.763140][T12774]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  618.763143][T12774]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  618.763145][T12774]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  618.763147][T12774]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  618.763149][T12774]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  618.763151][T12774] RIP: 0033:0x7f44f2efb54e
[  618.763153][T12774] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  618.763155][T12774] RSP: 002b:00007fff51fe8990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  618.763158][T12774] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f44f2efb54e
[  618.763160][T12774] RDX: 0000000000000000 RSI: 00007fff51fe8a40 RDI: 0000000000000005
[  618.763161][T12774] RBP: 00007fff51fe89a0 R08: 0000000000000000 R09: 0000000000000000
[  618.763162][T12774] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd74
[  618.763163][T12774] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff51fe9100
| [  619.928951][T12824] softirqs last disabled at (0): 0x0
| [  619.928953][T12824] Preemption disabled at:
| [  619.928954][T12824] vprintk_emit (kernel/printk/printk.c:2471)
| [  619.928965][T12824] Tainted: [W]=WARN
[  619.928966][T12824] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  619.928968][T12824] Call Trace:
[  619.928969][T12824]  <TASK>
[  619.928970][T12824]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  619.928977][T12824]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  619.928978][T12824]  __might_resched.cold (kernel/sched/core.c:9234)
[  619.928982][T12824]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  619.928984][T12824]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  619.928987][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.928990][T12824]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  619.928993][T12824]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.928996][T12824]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  619.929002][T12824]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  619.929003][T12824]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  619.929006][T12824]  put_chars (drivers/char/virtio_console.c:1176)
[  619.929008][T12824]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  619.929010][T12824]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  619.929013][T12824]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  619.929017][T12824]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  619.929019][T12824]  ? vsnprintf (lib/vsprintf.c:2900)
[  619.929023][T12824]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.929024][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929025][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929027][T12824]  console_emit_next_record (kernel/printk/printk.c:3183)
[  619.929030][T12824]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  619.929033][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929034][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929035][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929036][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929038][T12824]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  619.929040][T12824]  console_flush_one_record (kernel/printk/printk.c:3268)
[  619.929043][T12824]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  619.929046][T12824]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  619.929048][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929050][T12824]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  619.929052][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929053][T12824]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.929054][T12824]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  619.929056][T12824]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  619.929057][T12824]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  619.929059][T12824]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  619.929061][T12824]  vprintk_emit (kernel/printk/printk.c:2479)
[  619.929063][T12824]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  619.929064][T12824]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  619.929066][T12824]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  619.929069][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929070][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929072][T12824]  _printk (kernel/printk/printk.c:2504)
[  619.929075][T12824]  ? snapshot_read.cold (user.c:?)
[  619.929077][T12824]  ? br_multicast_flood (??:?)
[  619.929081][T12824]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  619.929084][T12824]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  619.929085][T12824]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  619.929087][T12824]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  619.929090][T12824]  br_init_port (net/bridge/br_stp_if.c:39)
[  619.929092][T12824]  new_nbp (net/bridge/br_if.c:449)
[  619.929094][T12824]  br_add_if (net/bridge/br_if.c:592)
[  619.929097][T12824]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  619.929101][T12824]  do_set_master (net/core/rtnetlink.c:3071)
[  619.929103][T12824]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  619.929105][T12824]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  619.929106][T12824]  ? __dev_get_by_name (net/core/dev.c:905)
[  619.929108][T12824]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  619.929112][T12824]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  619.929114][T12824]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  619.929116][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929118][T12824]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  619.929119][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929120][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929122][T12824]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  619.929125][T12824]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  619.929127][T12824]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  619.929129][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929130][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929132][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929133][T12824]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  619.929134][T12824]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  619.929136][T12824]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  619.929138][T12824]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  619.929139][T12824]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  619.929143][T12824]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  619.929146][T12824]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  619.929148][T12824]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.929149][T12824]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  619.929151][T12824]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  619.929154][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929155][T12824]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  619.929157][T12824]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  619.929160][T12824]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  619.929162][T12824]  ? next_uptodate_folio (mm/filemap.c:3747)
[  619.929165][T12824]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  619.929167][T12824]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  619.929169][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929171][T12824]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  619.929175][T12824]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  619.929178][T12824]  ____sys_sendmsg (net/socket.c:2713)
[  619.929180][T12824]  ? copy_msghdr_from_user (net/socket.c:2650)
[  619.929182][T12824]  ? sock_write_iter (net/socket.c:1269)
[  619.929183][T12824]  ? move_addr_to_kernel (net/socket.c:258)
[  619.929185][T12824]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  619.929188][T12824]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  619.929190][T12824]  ___sys_sendmsg (net/socket.c:2767)
[  619.929192][T12824]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  619.929194][T12824]  ? copy_msghdr_from_user (net/socket.c:2619)
[  619.929195][T12824]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  619.929200][T12824]  __sys_sendmsg (net/socket.c:2799)
[  619.929202][T12824]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  619.929205][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929206][T12824]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  619.929207][T12824]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  619.929210][T12824]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  619.929212][T12824]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  619.929215][T12824] RIP: 0033:0x7f83cd0cc54e
[  619.929217][T12824] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  619.929219][T12824] RSP: 002b:00007fff6f3369b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  619.929222][T12824] RAX: ffffffffffffffda RBX: 00007fff6f337178 RCX: 00007f83cd0cc54e
[  619.929224][T12824] RDX: 0000000000000000 RSI: 00007fff6f336a60 RDI: 0000000000000005
[  619.929225][T12824] RBP: 00007fff6f3369c0 R08: 0000000000000000 R09: 0000000000000000
[  619.929226][T12824] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd75
[  619.929227][T12824] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f337130
| [  626.008793][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  626.008796][   T68] Preemption disabled at:
| [  626.008797][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  626.008809][   T68] Tainted: [W]=WARN
[  626.008810][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  626.008812][   T68] Workqueue: netns cleanup_net
[  626.008818][   T68] Call Trace:
[  626.008820][   T68]  <TASK>
[  626.008821][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  626.008827][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  626.008828][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  626.008832][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  626.008834][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  626.008838][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008843][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  626.008846][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.008850][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  626.008855][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  626.008856][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  626.008859][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  626.008861][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  626.008863][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  626.008865][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  626.008870][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  626.008872][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  626.008874][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.008876][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008877][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008879][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  626.008882][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  626.008885][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008887][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008889][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008891][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.008894][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  626.008895][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  626.008898][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  626.008901][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  626.008903][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.008905][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  626.008906][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008907][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.008909][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  626.008911][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  626.008912][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  626.008914][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  626.008916][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  626.008918][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  626.008919][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  626.008921][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  626.008923][   T68]  ? kthread (kernel/kthread.c:436)
[  626.008926][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  626.008930][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  626.008934][   T68]  _printk (kernel/printk/printk.c:2504)
[  626.008937][   T68]  ? snapshot_read.cold (user.c:?)
[  626.008940][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  626.008943][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  626.008945][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  626.008948][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  626.008950][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008951][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  626.008953][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  626.008956][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  626.008957][   T68]  ? 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)
[  626.008959][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  626.008961][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  626.008964][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  626.008968][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  626.008970][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  626.008973][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  626.008977][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  626.008980][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  626.008983][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  626.008985][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  626.008987][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.008989][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.008991][   T68]  process_one_work (kernel/workqueue.c:3387)
[  626.008994][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  626.008996][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.008999][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  626.009001][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  626.009003][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  626.009005][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  626.009007][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  626.009009][   T68]  kthread (kernel/kthread.c:436)
[  626.009011][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  626.009012][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  626.009014][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  626.009016][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  626.009018][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  626.009021][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  626.009023][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  627.334356][T12959] softirqs last disabled at (0): 0x0
| [  627.334358][T12959] Preemption disabled at:
| [  627.334359][T12959] vprintk_emit (kernel/printk/printk.c:2471)
| [  627.334369][T12959] Tainted: [W]=WARN
[  627.334370][T12959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  627.334372][T12959] Call Trace:
[  627.334373][T12959]  <TASK>
[  627.334375][T12959]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  627.334381][T12959]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  627.334382][T12959]  __might_resched.cold (kernel/sched/core.c:9234)
[  627.334386][T12959]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  627.334388][T12959]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  627.334397][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334400][T12959]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  627.334403][T12959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.334406][T12959]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.334412][T12959]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  627.334414][T12959]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.334416][T12959]  put_chars (drivers/char/virtio_console.c:1176)
[  627.334418][T12959]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  627.334420][T12959]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  627.334423][T12959]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  627.334428][T12959]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  627.334430][T12959]  ? vsnprintf (lib/vsprintf.c:2900)
[  627.334434][T12959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.334435][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334437][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334438][T12959]  console_emit_next_record (kernel/printk/printk.c:3183)
[  627.334442][T12959]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  627.334444][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334445][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334446][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334447][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334449][T12959]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  627.334451][T12959]  console_flush_one_record (kernel/printk/printk.c:3268)
[  627.334454][T12959]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  627.334457][T12959]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  627.334459][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334461][T12959]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  627.334463][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334464][T12959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.334465][T12959]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  627.334467][T12959]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  627.334468][T12959]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  627.334471][T12959]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  627.334472][T12959]  vprintk_emit (kernel/printk/printk.c:2479)
[  627.334474][T12959]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  627.334475][T12959]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.334477][T12959]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  627.334481][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334482][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334484][T12959]  _printk (kernel/printk/printk.c:2504)
[  627.334487][T12959]  ? snapshot_read.cold (user.c:?)
[  627.334489][T12959]  ? br_multicast_flood (??:?)
[  627.334493][T12959]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  627.334496][T12959]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  627.334497][T12959]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  627.334499][T12959]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  627.334502][T12959]  br_init_port (net/bridge/br_stp_if.c:39)
[  627.334504][T12959]  new_nbp (net/bridge/br_if.c:449)
[  627.334506][T12959]  br_add_if (net/bridge/br_if.c:592)
[  627.334508][T12959]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  627.334513][T12959]  do_set_master (net/core/rtnetlink.c:3071)
[  627.334515][T12959]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  627.334517][T12959]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  627.334518][T12959]  ? __dev_get_by_name (net/core/dev.c:905)
[  627.334520][T12959]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  627.334524][T12959]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  627.334527][T12959]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  627.334529][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334530][T12959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.334532][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334533][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334535][T12959]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  627.334538][T12959]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  627.334540][T12959]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  627.334542][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334544][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334545][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334547][T12959]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.334548][T12959]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  627.334550][T12959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  627.334552][T12959]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  627.334553][T12959]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  627.334557][T12959]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  627.334560][T12959]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  627.334562][T12959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.334564][T12959]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  627.334565][T12959]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  627.334568][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334569][T12959]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.334572][T12959]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  627.334574][T12959]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  627.334576][T12959]  ? next_uptodate_folio (mm/filemap.c:3747)
[  627.334579][T12959]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  627.334582][T12959]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  627.334584][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334585][T12959]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  627.334589][T12959]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  627.334592][T12959]  ____sys_sendmsg (net/socket.c:2713)
[  627.334594][T12959]  ? copy_msghdr_from_user (net/socket.c:2650)
[  627.334596][T12959]  ? sock_write_iter (net/socket.c:1269)
[  627.334598][T12959]  ? move_addr_to_kernel (net/socket.c:258)
[  627.334600][T12959]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  627.334603][T12959]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.334605][T12959]  ___sys_sendmsg (net/socket.c:2767)
[  627.334606][T12959]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  627.334608][T12959]  ? copy_msghdr_from_user (net/socket.c:2619)
[  627.334610][T12959]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  627.334615][T12959]  __sys_sendmsg (net/socket.c:2799)
[  627.334617][T12959]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  627.334620][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334621][T12959]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.334623][T12959]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  627.334625][T12959]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  627.334627][T12959]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  627.334630][T12959] RIP: 0033:0x7f1c6aa7354e
[  627.334632][T12959] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  627.334634][T12959] RSP: 002b:00007ffed47f9690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  627.334638][T12959] RAX: ffffffffffffffda RBX: 00007ffed47f9e58 RCX: 00007f1c6aa7354e
[  627.334639][T12959] RDX: 0000000000000000 RSI: 00007ffed47f9740 RDI: 0000000000000005
[  627.334641][T12959] RBP: 00007ffed47f96a0 R08: 0000000000000000 R09: 0000000000000000
[  627.334642][T12959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd7c
[  627.334643][T12959] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed47f9e10
| [  628.788981][T13028] softirqs last disabled at (0): 0x0
| [  628.788983][T13028] Preemption disabled at:
| [  628.788984][T13028] vprintk_emit (kernel/printk/printk.c:2471)
| [  628.788995][T13028] Tainted: [W]=WARN
[  628.788996][T13028] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  628.788998][T13028] Call Trace:
[  628.789000][T13028]  <TASK>
[  628.789001][T13028]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  628.789007][T13028]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  628.789009][T13028]  __might_resched.cold (kernel/sched/core.c:9234)
[  628.789013][T13028]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  628.789016][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789019][T13028]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  628.789022][T13028]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.789025][T13028]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.789030][T13028]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  628.789032][T13028]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.789035][T13028]  put_chars (drivers/char/virtio_console.c:1176)
[  628.789036][T13028]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  628.789038][T13028]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  628.789040][T13028]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  628.789042][T13028]  ? pointer (lib/vsprintf.c:2577)
[  628.789046][T13028]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  628.789051][T13028]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  628.789053][T13028]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.789055][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789058][T13028]  console_emit_next_record (kernel/printk/printk.c:3183)
[  628.789061][T13028]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  628.789063][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789064][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789065][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789066][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789068][T13028]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  628.789070][T13028]  console_flush_one_record (kernel/printk/printk.c:3268)
[  628.789073][T13028]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  628.789076][T13028]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  628.789078][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789079][T13028]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  628.789081][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789082][T13028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.789084][T13028]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  628.789086][T13028]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  628.789087][T13028]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  628.789090][T13028]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  628.789091][T13028]  vprintk_emit (kernel/printk/printk.c:2479)
[  628.789093][T13028]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  628.789095][T13028]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  628.789098][T13028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.789101][T13028]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  628.789103][T13028]  _printk (kernel/printk/printk.c:2504)
[  628.789107][T13028]  ? snapshot_read.cold (user.c:?)
[  628.789109][T13028]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  628.789111][T13028]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  628.789114][T13028]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  628.789116][T13028]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.789120][T13028]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  628.789122][T13028]  ? netdev_notice (net/core/dev.c:13194)
[  628.789124][T13028]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  628.789126][T13028]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  628.789129][T13028]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.789131][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789132][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789133][T13028]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.789134][T13028]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  628.789136][T13028]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  628.789137][T13028]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.789139][T13028]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  628.789141][T13028]  ? register_netdev (net/core/dev.c:11618)
[  628.789142][T13028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.789144][T13028]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  628.789147][T13028]  ? __kernel_text_address (kernel/extable.c:79)
[  628.789149][T13028]  ? write_profile (profile.c:?)
[  628.789152][T13028]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  628.789156][T13028]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.789158][T13028]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  628.789160][T13028]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  628.789161][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789162][T13028]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.789166][T13028]  ? kasan_save_stack (mm/kasan/common.c:58)
[  628.789168][T13028]  ? kasan_save_stack (mm/kasan/common.c:57)
[  628.789169][T13028]  ? kasan_save_track (mm/kasan/common.c:78)
[  628.789170][T13028]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  628.789171][T13028]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  628.789173][T13028]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  628.789174][T13028]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.789175][T13028]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.789178][T13028]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.789180][T13028]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.789182][T13028]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.789184][T13028]  ? ____sys_sendmsg (net/socket.c:2713)
[  628.789186][T13028]  ? ___sys_sendmsg (net/socket.c:2767)
[  628.789187][T13028]  ? __sys_sendmsg (net/socket.c:2799)
[  628.789189][T13028]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.789192][T13028]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.789195][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789196][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789197][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789198][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789200][T13028]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  628.789201][T13028]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  628.789203][T13028]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  628.789204][T13028]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  628.789206][T13028]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  628.789207][T13028]  ? nla_get_range_signed (lib/nlattr.c:270)
[  628.789210][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789211][T13028]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  628.789213][T13028]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  628.789216][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789217][T13028]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.789218][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789220][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789221][T13028]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  628.789224][T13028]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  628.789225][T13028]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  628.789227][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789228][T13028]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  628.789231][T13028]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  628.789234][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789235][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789237][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789238][T13028]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.789240][T13028]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.789241][T13028]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.789243][T13028]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.789245][T13028]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.789247][T13028]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.789249][T13028]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.789250][T13028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.789252][T13028]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  628.789254][T13028]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  628.789257][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789258][T13028]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.789260][T13028]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.789263][T13028]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  628.789265][T13028]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.789267][T13028]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.789269][T13028]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  628.789270][T13028]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  628.789272][T13028]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.789274][T13028]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  628.789277][T13028]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.789279][T13028]  ____sys_sendmsg (net/socket.c:2713)
[  628.789281][T13028]  ? copy_msghdr_from_user (net/socket.c:2650)
[  628.789283][T13028]  ? sock_write_iter (net/socket.c:1269)
[  628.789284][T13028]  ? move_addr_to_kernel (net/socket.c:258)
[  628.789286][T13028]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.789289][T13028]  ___sys_sendmsg (net/socket.c:2767)
[  628.789290][T13028]  ? copy_msghdr_from_user (net/socket.c:2619)
[  628.789296][T13028]  __sys_sendmsg (net/socket.c:2799)
[  628.789298][T13028]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  628.789301][T13028]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.789302][T13028]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.789304][T13028]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  628.789306][T13028]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.789308][T13028] RIP: 0033:0x7f225ccb254e
[  628.789310][T13028] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  628.789312][T13028] RSP: 002b:00007ffcde6119a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  628.789315][T13028] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f225ccb254e
[  628.789317][T13028] RDX: 0000000000000000 RSI: 00007ffcde611a50 RDI: 0000000000000005
[  628.789318][T13028] RBP: 00007ffcde6119b0 R08: 0000000000000000 R09: 0000000000000000
[  628.789319][T13028] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd7e
[  628.789320][T13028] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcde612110
| [  629.932195][T13078] softirqs last disabled at (0): 0x0
| [  629.932197][T13078] Preemption disabled at:
| [  629.932198][T13078] vprintk_emit (kernel/printk/printk.c:2471)
| [  629.932208][T13078] Tainted: [W]=WARN
[  629.932209][T13078] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  629.932211][T13078] Call Trace:
[  629.932213][T13078]  <TASK>
[  629.932214][T13078]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  629.932221][T13078]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  629.932222][T13078]  __might_resched.cold (kernel/sched/core.c:9234)
[  629.932226][T13078]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  629.932228][T13078]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  629.932232][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932234][T13078]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  629.932237][T13078]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  629.932240][T13078]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  629.932246][T13078]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  629.932248][T13078]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  629.932251][T13078]  put_chars (drivers/char/virtio_console.c:1176)
[  629.932253][T13078]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  629.932254][T13078]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  629.932257][T13078]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  629.932262][T13078]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  629.932264][T13078]  ? vsnprintf (lib/vsprintf.c:2900)
[  629.932267][T13078]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  629.932269][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932270][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932272][T13078]  console_emit_next_record (kernel/printk/printk.c:3183)
[  629.932275][T13078]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  629.932277][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932278][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932279][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932280][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932283][T13078]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  629.932285][T13078]  console_flush_one_record (kernel/printk/printk.c:3268)
[  629.932287][T13078]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  629.932290][T13078]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  629.932292][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932294][T13078]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  629.932296][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932297][T13078]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  629.932298][T13078]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  629.932300][T13078]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  629.932301][T13078]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  629.932304][T13078]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  629.932305][T13078]  vprintk_emit (kernel/printk/printk.c:2479)
[  629.932307][T13078]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  629.932308][T13078]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  629.932310][T13078]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  629.932313][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932315][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932316][T13078]  _printk (kernel/printk/printk.c:2504)
[  629.932319][T13078]  ? snapshot_read.cold (user.c:?)
[  629.932322][T13078]  ? br_multicast_flood (??:?)
[  629.932325][T13078]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  629.932328][T13078]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  629.932329][T13078]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  629.932331][T13078]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  629.932334][T13078]  br_init_port (net/bridge/br_stp_if.c:39)
[  629.932336][T13078]  new_nbp (net/bridge/br_if.c:449)
[  629.932338][T13078]  br_add_if (net/bridge/br_if.c:592)
[  629.932340][T13078]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  629.932344][T13078]  do_set_master (net/core/rtnetlink.c:3071)
[  629.932346][T13078]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  629.932348][T13078]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  629.932349][T13078]  ? __dev_get_by_name (net/core/dev.c:905)
[  629.932351][T13078]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  629.932355][T13078]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  629.932358][T13078]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  629.932360][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932361][T13078]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.932363][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932364][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932366][T13078]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  629.932369][T13078]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  629.932371][T13078]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  629.932373][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932374][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932376][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932378][T13078]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  629.932381][T13078]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  629.932383][T13078]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  629.932386][T13078]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  629.932388][T13078]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  629.932394][T13078]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  629.932398][T13078]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  629.932400][T13078]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  629.932403][T13078]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  629.932405][T13078]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  629.932414][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932415][T13078]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  629.932418][T13078]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  629.932420][T13078]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  629.932422][T13078]  ? next_uptodate_folio (mm/filemap.c:3747)
[  629.932426][T13078]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  629.932428][T13078]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  629.932430][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932432][T13078]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  629.932436][T13078]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  629.932439][T13078]  ____sys_sendmsg (net/socket.c:2713)
[  629.932441][T13078]  ? copy_msghdr_from_user (net/socket.c:2650)
[  629.932443][T13078]  ? sock_write_iter (net/socket.c:1269)
[  629.932444][T13078]  ? move_addr_to_kernel (net/socket.c:258)
[  629.932447][T13078]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  629.932449][T13078]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  629.932452][T13078]  ___sys_sendmsg (net/socket.c:2767)
[  629.932454][T13078]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  629.932455][T13078]  ? copy_msghdr_from_user (net/socket.c:2619)
[  629.932457][T13078]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  629.932462][T13078]  __sys_sendmsg (net/socket.c:2799)
[  629.932465][T13078]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  629.932467][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932469][T13078]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  629.932470][T13078]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  629.932473][T13078]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  629.932475][T13078]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  629.932477][T13078] RIP: 0033:0x7efc0027254e
[  629.932479][T13078] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  629.932481][T13078] RSP: 002b:00007fff678d8ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  629.932485][T13078] RAX: ffffffffffffffda RBX: 00007fff678d94a8 RCX: 00007efc0027254e
[  629.932487][T13078] RDX: 0000000000000000 RSI: 00007fff678d8d90 RDI: 0000000000000005
[  629.932488][T13078] RBP: 00007fff678d8cf0 R08: 0000000000000000 R09: 0000000000000000
[  629.932489][T13078] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd7f
[  629.932490][T13078] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff678d9460
| [  635.986635][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  635.986638][   T68] Preemption disabled at:
| [  635.986639][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  635.986649][   T68] Tainted: [W]=WARN
[  635.986650][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  635.986652][   T68] Workqueue: netns cleanup_net
[  635.986658][   T68] Call Trace:
[  635.986660][   T68]  <TASK>
[  635.986662][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  635.986668][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  635.986669][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  635.986673][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  635.986675][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  635.986679][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986685][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  635.986688][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.986691][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  635.986697][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  635.986698][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  635.986701][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  635.986703][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  635.986705][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  635.986708][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  635.986713][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  635.986715][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  635.986717][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.986719][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986720][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986722][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  635.986725][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  635.986727][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986728][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986730][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986731][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.986733][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  635.986735][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  635.986738][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  635.986741][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  635.986743][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.986745][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  635.986747][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986748][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  635.986749][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  635.986751][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  635.986753][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  635.986755][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  635.986756][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  635.986758][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  635.986759][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  635.986761][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  635.986764][   T68]  ? kthread (kernel/kthread.c:436)
[  635.986766][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  635.986769][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  635.986772][   T68]  _printk (kernel/printk/printk.c:2504)
[  635.986775][   T68]  ? snapshot_read.cold (user.c:?)
[  635.986778][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  635.986781][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  635.986783][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  635.986786][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  635.986788][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986790][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  635.986791][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  635.986794][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  635.986795][   T68]  ? 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)
[  635.986797][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  635.986799][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  635.986802][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  635.986806][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  635.986809][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  635.986811][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  635.986814][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  635.986816][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  635.986819][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  635.986821][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  635.986822][   T68]  ? update_load_avg (kernel/sched/fair.c:5864)
[  635.986825][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.986827][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.986828][   T68]  process_one_work (kernel/workqueue.c:3387)
[  635.986831][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  635.986834][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.986837][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  635.986839][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  635.986841][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  635.986843][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  635.986845][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  635.986847][   T68]  kthread (kernel/kthread.c:436)
[  635.986848][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  635.986850][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  635.986852][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  635.986854][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  635.986856][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  635.986859][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  635.986861][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  637.280944][T13212] softirqs last disabled at (0): 0x0
| [  637.280946][T13212] Preemption disabled at:
| [  637.280947][T13212] vprintk_emit (kernel/printk/printk.c:2471)
| [  637.280958][T13212] Tainted: [W]=WARN
[  637.280959][T13212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  637.280961][T13212] Call Trace:
[  637.280963][T13212]  <TASK>
[  637.280964][T13212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  637.280970][T13212]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  637.280971][T13212]  __might_resched.cold (kernel/sched/core.c:9234)
[  637.280975][T13212]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  637.280978][T13212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  637.280981][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.280984][T13212]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  637.280987][T13212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.280990][T13212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.280996][T13212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  637.280998][T13212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.281000][T13212]  put_chars (drivers/char/virtio_console.c:1176)
[  637.281002][T13212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  637.281004][T13212]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  637.281007][T13212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  637.281012][T13212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  637.281014][T13212]  ? vsnprintf (lib/vsprintf.c:2900)
[  637.281017][T13212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.281019][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281020][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281022][T13212]  console_emit_next_record (kernel/printk/printk.c:3183)
[  637.281025][T13212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  637.281027][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281028][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281029][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281030][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281033][T13212]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  637.281035][T13212]  console_flush_one_record (kernel/printk/printk.c:3268)
[  637.281037][T13212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  637.281040][T13212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  637.281042][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281044][T13212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  637.281045][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281047][T13212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.281048][T13212]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  637.281050][T13212]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  637.281051][T13212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  637.281054][T13212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  637.281055][T13212]  vprintk_emit (kernel/printk/printk.c:2479)
[  637.281057][T13212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  637.281059][T13212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.281061][T13212]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  637.281064][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281065][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281067][T13212]  _printk (kernel/printk/printk.c:2504)
[  637.281070][T13212]  ? snapshot_read.cold (user.c:?)
[  637.281072][T13212]  ? br_multicast_flood (??:?)
[  637.281076][T13212]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  637.281079][T13212]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  637.281080][T13212]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  637.281082][T13212]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  637.281085][T13212]  br_init_port (net/bridge/br_stp_if.c:39)
[  637.281087][T13212]  new_nbp (net/bridge/br_if.c:449)
[  637.281089][T13212]  br_add_if (net/bridge/br_if.c:592)
[  637.281091][T13212]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  637.281096][T13212]  do_set_master (net/core/rtnetlink.c:3071)
[  637.281098][T13212]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  637.281100][T13212]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  637.281101][T13212]  ? __dev_get_by_name (net/core/dev.c:905)
[  637.281103][T13212]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  637.281107][T13212]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  637.281110][T13212]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  637.281112][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281113][T13212]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.281115][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281116][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281118][T13212]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  637.281121][T13212]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  637.281123][T13212]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  637.281125][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281126][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281128][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281129][T13212]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.281131][T13212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  637.281133][T13212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  637.281134][T13212]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  637.281136][T13212]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  637.281140][T13212]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  637.281143][T13212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  637.281144][T13212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.281146][T13212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  637.281148][T13212]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  637.281151][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281152][T13212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.281154][T13212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  637.281157][T13212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  637.281159][T13212]  ? next_uptodate_folio (mm/filemap.c:3747)
[  637.281162][T13212]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  637.281165][T13212]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  637.281167][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281169][T13212]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  637.281172][T13212]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  637.281175][T13212]  ____sys_sendmsg (net/socket.c:2713)
[  637.281177][T13212]  ? copy_msghdr_from_user (net/socket.c:2650)
[  637.281179][T13212]  ? sock_write_iter (net/socket.c:1269)
[  637.281181][T13212]  ? move_addr_to_kernel (net/socket.c:258)
[  637.281183][T13212]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  637.281185][T13212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.281188][T13212]  ___sys_sendmsg (net/socket.c:2767)
[  637.281189][T13212]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  637.281191][T13212]  ? copy_msghdr_from_user (net/socket.c:2619)
[  637.281193][T13212]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  637.281198][T13212]  __sys_sendmsg (net/socket.c:2799)
[  637.281200][T13212]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  637.281203][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281204][T13212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.281206][T13212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  637.281208][T13212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  637.281210][T13212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  637.281213][T13212] RIP: 0033:0x7f0b65f8354e
[  637.281215][T13212] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  637.281217][T13212] RSP: 002b:00007ffe84746880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  637.281221][T13212] RAX: ffffffffffffffda RBX: 00007ffe84747048 RCX: 00007f0b65f8354e
[  637.281222][T13212] RDX: 0000000000000000 RSI: 00007ffe84746930 RDI: 0000000000000005
[  637.281223][T13212] RBP: 00007ffe84746890 R08: 0000000000000000 R09: 0000000000000000
[  637.281224][T13212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd86
[  637.281225][T13212] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe84747000
| [  638.699784][T13280] softirqs last disabled at (0): 0x0
| [  638.699786][T13280] Preemption disabled at:
| [  638.699787][T13280] vprintk_emit (kernel/printk/printk.c:2471)
| [  638.699798][T13280] Tainted: [W]=WARN
[  638.699799][T13280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  638.699800][T13280] Call Trace:
[  638.699802][T13280]  <TASK>
[  638.699803][T13280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  638.699809][T13280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  638.699810][T13280]  __might_resched.cold (kernel/sched/core.c:9234)
[  638.699814][T13280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  638.699818][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699821][T13280]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  638.699824][T13280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.699828][T13280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  638.699833][T13280]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  638.699835][T13280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  638.699838][T13280]  put_chars (drivers/char/virtio_console.c:1176)
[  638.699839][T13280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  638.699840][T13280]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  638.699843][T13280]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  638.699845][T13280]  ? pointer (lib/vsprintf.c:2577)
[  638.699849][T13280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  638.699854][T13280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  638.699856][T13280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.699858][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.699860][T13280]  console_emit_next_record (kernel/printk/printk.c:3183)
[  638.699863][T13280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  638.699866][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699867][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699868][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699869][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.699872][T13280]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  638.699874][T13280]  console_flush_one_record (kernel/printk/printk.c:3268)
[  638.699876][T13280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  638.699879][T13280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  638.699881][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.699883][T13280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  638.699885][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699886][T13280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.699888][T13280]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  638.699889][T13280]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  638.699891][T13280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  638.699893][T13280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  638.699895][T13280]  vprintk_emit (kernel/printk/printk.c:2479)
[  638.699897][T13280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  638.699898][T13280]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  638.699900][T13280]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  638.699904][T13280]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  638.699906][T13280]  _printk (kernel/printk/printk.c:2504)
[  638.699910][T13280]  ? snapshot_read.cold (user.c:?)
[  638.699912][T13280]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  638.699914][T13280]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  638.699917][T13280]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  638.699919][T13280]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  638.699923][T13280]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  638.699926][T13280]  ? netdev_notice (net/core/dev.c:13194)
[  638.699928][T13280]  ? 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)
[  638.699930][T13280]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  638.699932][T13280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.699934][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699935][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699936][T13280]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  638.699938][T13280]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  638.699939][T13280]  ? 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)
[  638.699941][T13280]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  638.699942][T13280]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  638.699944][T13280]  ? register_netdev (net/core/dev.c:11618)
[  638.699945][T13280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.699948][T13280]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  638.699950][T13280]  ? __kernel_text_address (kernel/extable.c:79)
[  638.699953][T13280]  ? write_profile (profile.c:?)
[  638.699956][T13280]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  638.699960][T13280]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  638.699962][T13280]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  638.699963][T13280]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  638.699965][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.699966][T13280]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  638.699969][T13280]  ? kasan_save_stack (mm/kasan/common.c:58)
[  638.699971][T13280]  ? kasan_save_stack (mm/kasan/common.c:57)
[  638.699973][T13280]  ? kasan_save_track (mm/kasan/common.c:78)
[  638.699974][T13280]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  638.699975][T13280]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  638.699976][T13280]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  638.699978][T13280]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  638.699979][T13280]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  638.699982][T13280]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  638.699984][T13280]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  638.699986][T13280]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  638.699988][T13280]  ? ____sys_sendmsg (net/socket.c:2713)
[  638.699990][T13280]  ? ___sys_sendmsg (net/socket.c:2767)
[  638.699991][T13280]  ? __sys_sendmsg (net/socket.c:2799)
[  638.699993][T13280]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  638.699996][T13280]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  638.699998][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700000][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.700001][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700002][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700004][T13280]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  638.700005][T13280]  ? __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)
[  638.700006][T13280]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  638.700008][T13280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  638.700010][T13280]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  638.700011][T13280]  ? nla_get_range_signed (lib/nlattr.c:270)
[  638.700014][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700016][T13280]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  638.700018][T13280]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  638.700020][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700021][T13280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  638.700022][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.700024][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700026][T13280]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  638.700028][T13280]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  638.700029][T13280]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  638.700031][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700032][T13280]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  638.700035][T13280]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  638.700038][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700039][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.700041][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700042][T13280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  638.700044][T13280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  638.700045][T13280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  638.700047][T13280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  638.700048][T13280]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  638.700051][T13280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  638.700053][T13280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  638.700054][T13280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.700056][T13280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  638.700058][T13280]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  638.700061][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700062][T13280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.700064][T13280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  638.700067][T13280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  638.700069][T13280]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  638.700071][T13280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  638.700073][T13280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  638.700075][T13280]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  638.700076][T13280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.700078][T13280]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  638.700081][T13280]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  638.700083][T13280]  ____sys_sendmsg (net/socket.c:2713)
[  638.700085][T13280]  ? copy_msghdr_from_user (net/socket.c:2650)
[  638.700087][T13280]  ? sock_write_iter (net/socket.c:1269)
[  638.700088][T13280]  ? move_addr_to_kernel (net/socket.c:258)
[  638.700090][T13280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  638.700093][T13280]  ___sys_sendmsg (net/socket.c:2767)
[  638.700095][T13280]  ? copy_msghdr_from_user (net/socket.c:2619)
[  638.700100][T13280]  __sys_sendmsg (net/socket.c:2799)
[  638.700102][T13280]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  638.700105][T13280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.700107][T13280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  638.700109][T13280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  638.700111][T13280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  638.700112][T13280] RIP: 0033:0x7f084cc4c54e
[  638.700114][T13280] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  638.700116][T13280] RSP: 002b:00007ffe8f972990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  638.700120][T13280] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f084cc4c54e
[  638.700122][T13280] RDX: 0000000000000000 RSI: 00007ffe8f972a40 RDI: 0000000000000005
[  638.700123][T13280] RBP: 00007ffe8f9729a0 R08: 0000000000000000 R09: 0000000000000000
[  638.700124][T13280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd88
[  638.700125][T13280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8f973100
| [  639.880396][T13338] softirqs last disabled at (0): 0x0
| [  639.880398][T13338] Preemption disabled at:
| [  639.880399][T13338] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.880409][T13338] Tainted: [W]=WARN
[  639.880410][T13338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.880412][T13338] Call Trace:
[  639.880414][T13338]  <TASK>
[  639.880415][T13338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.880421][T13338]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.880422][T13338]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.880426][T13338]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  639.880428][T13338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.880432][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880434][T13338]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  639.880437][T13338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.880440][T13338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.880446][T13338]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  639.880447][T13338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.880450][T13338]  put_chars (drivers/char/virtio_console.c:1176)
[  639.880452][T13338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.880454][T13338]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  639.880457][T13338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.880462][T13338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.880464][T13338]  ? vsnprintf (lib/vsprintf.c:2900)
[  639.880467][T13338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.880469][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880476][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880478][T13338]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.880481][T13338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.880483][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880484][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880485][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880486][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880489][T13338]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  639.880491][T13338]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.880493][T13338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.880496][T13338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.880498][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880500][T13338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.880502][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880503][T13338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.880505][T13338]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  639.880507][T13338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  639.880508][T13338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.880510][T13338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.880512][T13338]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.880514][T13338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.880515][T13338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.880517][T13338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  639.880520][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880521][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880523][T13338]  _printk (kernel/printk/printk.c:2504)
[  639.880526][T13338]  ? snapshot_read.cold (user.c:?)
[  639.880528][T13338]  ? br_multicast_flood (??:?)
[  639.880532][T13338]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  639.880535][T13338]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  639.880536][T13338]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.880538][T13338]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  639.880540][T13338]  br_init_port (net/bridge/br_stp_if.c:39)
[  639.880542][T13338]  new_nbp (net/bridge/br_if.c:449)
[  639.880545][T13338]  br_add_if (net/bridge/br_if.c:592)
[  639.880547][T13338]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  639.880551][T13338]  do_set_master (net/core/rtnetlink.c:3071)
[  639.880553][T13338]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  639.880555][T13338]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  639.880556][T13338]  ? __dev_get_by_name (net/core/dev.c:905)
[  639.880558][T13338]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  639.880562][T13338]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  639.880565][T13338]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.880567][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880568][T13338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.880570][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880571][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880573][T13338]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  639.880576][T13338]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  639.880578][T13338]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  639.880580][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880581][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880583][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880584][T13338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.880585][T13338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  639.880587][T13338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.880589][T13338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  639.880590][T13338]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  639.880594][T13338]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  639.880598][T13338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.880599][T13338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.880601][T13338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  639.880602][T13338]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  639.880606][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880607][T13338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.880609][T13338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  639.880611][T13338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  639.880614][T13338]  ? next_uptodate_folio (mm/filemap.c:3747)
[  639.880617][T13338]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  639.880619][T13338]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  639.880621][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880623][T13338]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  639.880627][T13338]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  639.880630][T13338]  ____sys_sendmsg (net/socket.c:2713)
[  639.880632][T13338]  ? copy_msghdr_from_user (net/socket.c:2650)
[  639.880633][T13338]  ? sock_write_iter (net/socket.c:1269)
[  639.880635][T13338]  ? move_addr_to_kernel (net/socket.c:258)
[  639.880637][T13338]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  639.880640][T13338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.880642][T13338]  ___sys_sendmsg (net/socket.c:2767)
[  639.880644][T13338]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  639.880645][T13338]  ? copy_msghdr_from_user (net/socket.c:2619)
[  639.880647][T13338]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  639.880652][T13338]  __sys_sendmsg (net/socket.c:2799)
[  639.880654][T13338]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  639.880657][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880658][T13338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.880660][T13338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  639.880662][T13338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  639.880664][T13338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.880667][T13338] RIP: 0033:0x7fa54184854e
[  639.880669][T13338] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  639.880671][T13338] RSP: 002b:00007ffd14d67030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  639.880675][T13338] RAX: ffffffffffffffda RBX: 00007ffd14d677f8 RCX: 00007fa54184854e
[  639.880676][T13338] RDX: 0000000000000000 RSI: 00007ffd14d670e0 RDI: 0000000000000005
[  639.880677][T13338] RBP: 00007ffd14d67040 R08: 0000000000000000 R09: 0000000000000000
[  639.880678][T13338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd89
[  639.880679][T13338] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd14d677b0
| [  645.935635][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  645.935637][   T68] Preemption disabled at:
| [  645.935638][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  645.935649][   T68] Tainted: [W]=WARN
[  645.935650][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  645.935652][   T68] Workqueue: netns cleanup_net
[  645.935658][   T68] Call Trace:
[  645.935660][   T68]  <TASK>
[  645.935661][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  645.935667][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  645.935669][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  645.935672][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  645.935675][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  645.935678][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935681][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  645.935688][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.935691][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.935696][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  645.935698][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  645.935701][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  645.935703][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  645.935705][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  645.935707][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  645.935712][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  645.935714][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  645.935717][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.935719][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935720][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935722][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  645.935725][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  645.935727][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935728][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935730][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935731][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.935733][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  645.935735][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  645.935738][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  645.935741][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  645.935743][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.935745][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  645.935746][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935747][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  645.935749][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  645.935751][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  645.935752][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  645.935755][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  645.935756][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  645.935758][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  645.935759][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  645.935761][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  645.935764][   T68]  ? kthread (kernel/kthread.c:436)
[  645.935766][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  645.935769][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  645.935772][   T68]  _printk (kernel/printk/printk.c:2504)
[  645.935775][   T68]  ? snapshot_read.cold (user.c:?)
[  645.935777][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  645.935781][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  645.935783][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  645.935785][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  645.935788][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935789][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  645.935791][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  645.935794][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  645.935795][   T68]  ? 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)
[  645.935797][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  645.935799][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  645.935802][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  645.935806][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  645.935808][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  645.935811][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  645.935813][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  645.935815][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  645.935818][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  645.935820][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  645.935823][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  645.935824][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  645.935826][   T68]  process_one_work (kernel/workqueue.c:3387)
[  645.935829][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  645.935832][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  645.935834][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  645.935837][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  645.935839][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  645.935841][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  645.935843][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  645.935845][   T68]  kthread (kernel/kthread.c:436)
[  645.935847][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  645.935849][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  645.935851][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  645.935853][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  645.935855][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  645.935858][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  645.935860][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  647.201093][T13472] softirqs last disabled at (0): 0x0
| [  647.201095][T13472] Preemption disabled at:
| [  647.201096][T13472] vprintk_emit (kernel/printk/printk.c:2471)
| [  647.201106][T13472] Tainted: [W]=WARN
[  647.201107][T13472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  647.201109][T13472] Call Trace:
[  647.201111][T13472]  <TASK>
[  647.201112][T13472]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  647.201118][T13472]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  647.201119][T13472]  __might_resched.cold (kernel/sched/core.c:9234)
[  647.201123][T13472]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  647.201125][T13472]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  647.201129][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201132][T13472]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  647.201134][T13472]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  647.201138][T13472]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  647.201143][T13472]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  647.201145][T13472]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  647.201148][T13472]  put_chars (drivers/char/virtio_console.c:1176)
[  647.201150][T13472]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  647.201151][T13472]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  647.201154][T13472]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  647.201159][T13472]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  647.201160][T13472]  ? vsnprintf (lib/vsprintf.c:2900)
[  647.201164][T13472]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  647.201166][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201167][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201169][T13472]  console_emit_next_record (kernel/printk/printk.c:3183)
[  647.201171][T13472]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  647.201174][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201175][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201176][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201177][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201180][T13472]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  647.201182][T13472]  console_flush_one_record (kernel/printk/printk.c:3268)
[  647.201184][T13472]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  647.201187][T13472]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  647.201189][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201191][T13472]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  647.201193][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201194][T13472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  647.201195][T13472]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  647.201197][T13472]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  647.201198][T13472]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  647.201201][T13472]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  647.201202][T13472]  vprintk_emit (kernel/printk/printk.c:2479)
[  647.201204][T13472]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  647.201205][T13472]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  647.201207][T13472]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  647.201210][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201212][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201213][T13472]  _printk (kernel/printk/printk.c:2504)
[  647.201216][T13472]  ? snapshot_read.cold (user.c:?)
[  647.201218][T13472]  ? br_multicast_flood (??:?)
[  647.201222][T13472]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  647.201224][T13472]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  647.201225][T13472]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  647.201227][T13472]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  647.201230][T13472]  br_init_port (net/bridge/br_stp_if.c:39)
[  647.201232][T13472]  new_nbp (net/bridge/br_if.c:449)
[  647.201234][T13472]  br_add_if (net/bridge/br_if.c:592)
[  647.201236][T13472]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  647.201240][T13472]  do_set_master (net/core/rtnetlink.c:3071)
[  647.201242][T13472]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  647.201244][T13472]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  647.201246][T13472]  ? __dev_get_by_name (net/core/dev.c:905)
[  647.201248][T13472]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  647.201251][T13472]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  647.201254][T13472]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  647.201256][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201257][T13472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  647.201259][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201260][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201262][T13472]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  647.201264][T13472]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  647.201266][T13472]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  647.201269][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201270][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201271][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201273][T13472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  647.201274][T13472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  647.201276][T13472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  647.201277][T13472]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  647.201279][T13472]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  647.201283][T13472]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  647.201286][T13472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  647.201288][T13472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  647.201289][T13472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  647.201291][T13472]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  647.201294][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201296][T13472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  647.201298][T13472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  647.201300][T13472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  647.201302][T13472]  ? next_uptodate_folio (mm/filemap.c:3747)
[  647.201305][T13472]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  647.201308][T13472]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  647.201310][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201311][T13472]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  647.201315][T13472]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  647.201318][T13472]  ____sys_sendmsg (net/socket.c:2713)
[  647.201320][T13472]  ? copy_msghdr_from_user (net/socket.c:2650)
[  647.201322][T13472]  ? sock_write_iter (net/socket.c:1269)
[  647.201323][T13472]  ? move_addr_to_kernel (net/socket.c:258)
[  647.201325][T13472]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  647.201328][T13472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  647.201330][T13472]  ___sys_sendmsg (net/socket.c:2767)
[  647.201331][T13472]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  647.201333][T13472]  ? copy_msghdr_from_user (net/socket.c:2619)
[  647.201335][T13472]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  647.201339][T13472]  __sys_sendmsg (net/socket.c:2799)
[  647.201342][T13472]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  647.201344][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201346][T13472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  647.201347][T13472]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  647.201350][T13472]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  647.201352][T13472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  647.201354][T13472] RIP: 0033:0x7f9550d6254e
[  647.201356][T13472] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  647.201358][T13472] RSP: 002b:00007ffd5ddbfec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  647.201362][T13472] RAX: ffffffffffffffda RBX: 00007ffd5ddc0688 RCX: 00007f9550d6254e
[  647.201364][T13472] RDX: 0000000000000000 RSI: 00007ffd5ddbff70 RDI: 0000000000000005
[  647.201365][T13472] RBP: 00007ffd5ddbfed0 R08: 0000000000000000 R09: 0000000000000000
[  647.201366][T13472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd90
[  647.201367][T13472] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5ddc0640
| [  648.629743][T13541] softirqs last disabled at (0): 0x0
| [  648.629745][T13541] Preemption disabled at:
| [  648.629746][T13541] vprintk_emit (kernel/printk/printk.c:2471)
| [  648.629758][T13541] Tainted: [W]=WARN
[  648.629759][T13541] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  648.629761][T13541] Call Trace:
[  648.629762][T13541]  <TASK>
[  648.629764][T13541]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  648.629770][T13541]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  648.629771][T13541]  __might_resched.cold (kernel/sched/core.c:9234)
[  648.629775][T13541]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  648.629779][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629782][T13541]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  648.629785][T13541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.629788][T13541]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.629794][T13541]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  648.629796][T13541]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.629799][T13541]  put_chars (drivers/char/virtio_console.c:1176)
[  648.629800][T13541]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  648.629802][T13541]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  648.629804][T13541]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  648.629806][T13541]  ? pointer (lib/vsprintf.c:2577)
[  648.629810][T13541]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  648.629815][T13541]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  648.629817][T13541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.629819][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.629822][T13541]  console_emit_next_record (kernel/printk/printk.c:3183)
[  648.629824][T13541]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  648.629827][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629828][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629829][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629830][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.629833][T13541]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  648.629834][T13541]  console_flush_one_record (kernel/printk/printk.c:3268)
[  648.629837][T13541]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  648.629840][T13541]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  648.629842][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.629844][T13541]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  648.629846][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629847][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  648.629848][T13541]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  648.629850][T13541]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  648.629851][T13541]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  648.629854][T13541]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  648.629855][T13541]  vprintk_emit (kernel/printk/printk.c:2479)
[  648.629857][T13541]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  648.629858][T13541]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  648.629861][T13541]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  648.629864][T13541]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  648.629867][T13541]  _printk (kernel/printk/printk.c:2504)
[  648.629870][T13541]  ? snapshot_read.cold (user.c:?)
[  648.629872][T13541]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  648.629874][T13541]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  648.629878][T13541]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  648.629880][T13541]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.629883][T13541]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  648.629885][T13541]  ? netdev_notice (net/core/dev.c:13194)
[  648.629888][T13541]  ? 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)
[  648.629889][T13541]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  648.629892][T13541]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.629894][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629895][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629897][T13541]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  648.629898][T13541]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  648.629900][T13541]  ? 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)
[  648.629901][T13541]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.629903][T13541]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  648.629905][T13541]  ? register_netdev (net/core/dev.c:11618)
[  648.629906][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  648.629908][T13541]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  648.629911][T13541]  ? __kernel_text_address (kernel/extable.c:79)
[  648.629914][T13541]  ? write_profile (profile.c:?)
[  648.629917][T13541]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  648.629921][T13541]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  648.629923][T13541]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  648.629925][T13541]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  648.629926][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629927][T13541]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  648.629931][T13541]  ? kasan_save_stack (mm/kasan/common.c:58)
[  648.629933][T13541]  ? kasan_save_stack (mm/kasan/common.c:57)
[  648.629934][T13541]  ? kasan_save_track (mm/kasan/common.c:78)
[  648.629935][T13541]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  648.629936][T13541]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  648.629938][T13541]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  648.629939][T13541]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  648.629940][T13541]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  648.629943][T13541]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  648.629945][T13541]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  648.629947][T13541]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  648.629950][T13541]  ? ____sys_sendmsg (net/socket.c:2713)
[  648.629951][T13541]  ? ___sys_sendmsg (net/socket.c:2767)
[  648.629953][T13541]  ? __sys_sendmsg (net/socket.c:2799)
[  648.629954][T13541]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  648.629957][T13541]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  648.629959][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629961][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.629962][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629963][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629965][T13541]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  648.629966][T13541]  ? __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)
[  648.629967][T13541]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  648.629969][T13541]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  648.629970][T13541]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  648.629972][T13541]  ? nla_get_range_signed (lib/nlattr.c:270)
[  648.629975][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629976][T13541]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  648.629979][T13541]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  648.629981][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629982][T13541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.629984][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.629985][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629987][T13541]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  648.629989][T13541]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  648.629991][T13541]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  648.629993][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.629994][T13541]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  648.629997][T13541]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  648.630000][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.630001][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.630003][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.630004][T13541]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  648.630005][T13541]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  648.630007][T13541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.630009][T13541]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  648.630010][T13541]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  648.630013][T13541]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  648.630015][T13541]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  648.630016][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  648.630018][T13541]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  648.630019][T13541]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  648.630023][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.630024][T13541]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  648.630026][T13541]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  648.630028][T13541]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  648.630030][T13541]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  648.630032][T13541]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  648.630035][T13541]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  648.630036][T13541]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  648.630038][T13541]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.630040][T13541]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  648.630043][T13541]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  648.630045][T13541]  ____sys_sendmsg (net/socket.c:2713)
[  648.630047][T13541]  ? copy_msghdr_from_user (net/socket.c:2650)
[  648.630048][T13541]  ? sock_write_iter (net/socket.c:1269)
[  648.630050][T13541]  ? move_addr_to_kernel (net/socket.c:258)
[  648.630052][T13541]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  648.630054][T13541]  ___sys_sendmsg (net/socket.c:2767)
[  648.630056][T13541]  ? copy_msghdr_from_user (net/socket.c:2619)
[  648.630062][T13541]  __sys_sendmsg (net/socket.c:2799)
[  648.630064][T13541]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  648.630067][T13541]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.630068][T13541]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  648.630070][T13541]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  648.630072][T13541]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  648.630074][T13541] RIP: 0033:0x7f541566854e
[  648.630076][T13541] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  648.630078][T13541] RSP: 002b:00007ffd4153f1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  648.630082][T13541] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f541566854e
[  648.630084][T13541] RDX: 0000000000000000 RSI: 00007ffd4153f2a0 RDI: 0000000000000005
[  648.630085][T13541] RBP: 00007ffd4153f200 R08: 0000000000000000 R09: 0000000000000000
[  648.630085][T13541] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd92
[  648.630086][T13541] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4153f960
| [  649.762963][T13591] softirqs last disabled at (0): 0x0
| [  649.762965][T13591] Preemption disabled at:
| [  649.762966][T13591] vprintk_emit (kernel/printk/printk.c:2471)
| [  649.762976][T13591] Tainted: [W]=WARN
[  649.762978][T13591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  649.762979][T13591] Call Trace:
[  649.762981][T13591]  <TASK>
[  649.762982][T13591]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  649.762988][T13591]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  649.762990][T13591]  __might_resched.cold (kernel/sched/core.c:9234)
[  649.762994][T13591]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  649.762996][T13591]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  649.762999][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763002][T13591]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  649.763005][T13591]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.763009][T13591]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.763014][T13591]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  649.763016][T13591]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.763019][T13591]  put_chars (drivers/char/virtio_console.c:1176)
[  649.763021][T13591]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  649.763022][T13591]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  649.763025][T13591]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  649.763030][T13591]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  649.763032][T13591]  ? vsnprintf (lib/vsprintf.c:2900)
[  649.763035][T13591]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.763037][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763038][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763040][T13591]  console_emit_next_record (kernel/printk/printk.c:3183)
[  649.763043][T13591]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  649.763045][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763046][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763047][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763048][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763051][T13591]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  649.763053][T13591]  console_flush_one_record (kernel/printk/printk.c:3268)
[  649.763055][T13591]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  649.763058][T13591]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  649.763060][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763062][T13591]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  649.763064][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763065][T13591]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.763066][T13591]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  649.763068][T13591]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  649.763070][T13591]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  649.763071][T13591]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  649.763073][T13591]  vprintk_emit (kernel/printk/printk.c:2479)
[  649.763075][T13591]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  649.763076][T13591]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.763078][T13591]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.763081][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763083][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763084][T13591]  _printk (kernel/printk/printk.c:2504)
[  649.763087][T13591]  ? snapshot_read.cold (user.c:?)
[  649.763089][T13591]  ? br_multicast_flood (??:?)
[  649.763093][T13591]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  649.763096][T13591]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  649.763097][T13591]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  649.763099][T13591]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  649.763102][T13591]  br_init_port (net/bridge/br_stp_if.c:39)
[  649.763104][T13591]  new_nbp (net/bridge/br_if.c:449)
[  649.763106][T13591]  br_add_if (net/bridge/br_if.c:592)
[  649.763108][T13591]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  649.763113][T13591]  do_set_master (net/core/rtnetlink.c:3071)
[  649.763115][T13591]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  649.763117][T13591]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  649.763118][T13591]  ? __dev_get_by_name (net/core/dev.c:905)
[  649.763120][T13591]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  649.763124][T13591]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  649.763126][T13591]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  649.763128][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763130][T13591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.763131][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763133][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763134][T13591]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  649.763137][T13591]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  649.763139][T13591]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  649.763141][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763142][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763144][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763145][T13591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.763147][T13591]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  649.763148][T13591]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.763150][T13591]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.763151][T13591]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  649.763155][T13591]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  649.763158][T13591]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.763160][T13591]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.763162][T13591]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  649.763163][T13591]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  649.763166][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763167][T13591]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.763170][T13591]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  649.763172][T13591]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  649.763174][T13591]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  649.763177][T13591]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  649.763180][T13591]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  649.763182][T13591]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  649.763184][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763186][T13591]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  649.763190][T13591]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  649.763192][T13591]  ____sys_sendmsg (net/socket.c:2713)
[  649.763194][T13591]  ? copy_msghdr_from_user (net/socket.c:2650)
[  649.763196][T13591]  ? sock_write_iter (net/socket.c:1269)
[  649.763197][T13591]  ? move_addr_to_kernel (net/socket.c:258)
[  649.763200][T13591]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  649.763202][T13591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.763204][T13591]  ___sys_sendmsg (net/socket.c:2767)
[  649.763206][T13591]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  649.763208][T13591]  ? copy_msghdr_from_user (net/socket.c:2619)
[  649.763209][T13591]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  649.763214][T13591]  __sys_sendmsg (net/socket.c:2799)
[  649.763216][T13591]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  649.763219][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763220][T13591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.763222][T13591]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  649.763224][T13591]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  649.763226][T13591]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.763228][T13591] RIP: 0033:0x7f1a6203f54e
[  649.763230][T13591] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  649.763232][T13591] RSP: 002b:00007ffde44d4c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  649.763236][T13591] RAX: ffffffffffffffda RBX: 00007ffde44d5408 RCX: 00007f1a6203f54e
[  649.763238][T13591] RDX: 0000000000000000 RSI: 00007ffde44d4cf0 RDI: 0000000000000005
[  649.763239][T13591] RBP: 00007ffde44d4c50 R08: 0000000000000000 R09: 0000000000000000
[  649.763240][T13591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd93
[  649.763241][T13591] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde44d53c0
| [  655.805771][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  655.805774][   T68] Preemption disabled at:
| [  655.805775][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  655.805785][   T68] Tainted: [W]=WARN
[  655.805787][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  655.805788][   T68] Workqueue: netns cleanup_net
[  655.805795][   T68] Call Trace:
[  655.805796][   T68]  <TASK>
[  655.805798][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  655.805803][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  655.805805][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  655.805808][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  655.805811][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  655.805814][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805817][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  655.805820][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  655.805823][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  655.805829][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  655.805830][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  655.805833][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  655.805835][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  655.805837][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  655.805840][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  655.805845][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  655.805846][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  655.805849][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  655.805850][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805852][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805854][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  655.805856][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  655.805859][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805860][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805861][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805862][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.805865][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  655.805867][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  655.805869][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  655.805872][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  655.805874][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.805876][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  655.805878][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805879][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  655.805881][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  655.805882][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  655.805884][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  655.805886][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  655.805887][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  655.805889][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  655.805891][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  655.805892][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  655.805895][   T68]  ? kthread (kernel/kthread.c:436)
[  655.805897][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  655.805900][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  655.805903][   T68]  _printk (kernel/printk/printk.c:2504)
[  655.805906][   T68]  ? snapshot_read.cold (user.c:?)
[  655.805909][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  655.805912][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  655.805914][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  655.805917][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  655.805919][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805920][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  655.805922][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  655.805925][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  655.805927][   T68]  ? 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)
[  655.805928][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  655.805930][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  655.805933][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  655.805937][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  655.805939][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  655.805942][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  655.805944][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  655.805946][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  655.805949][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  655.805951][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  655.805953][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  655.805955][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  655.805957][   T68]  process_one_work (kernel/workqueue.c:3387)
[  655.805960][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  655.805963][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  655.805965][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  655.805968][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  655.805970][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  655.805972][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  655.805974][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  655.805976][   T68]  kthread (kernel/kthread.c:436)
[  655.805978][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  655.805979][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  655.805981][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  655.805983][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  655.805985][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  655.805988][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  655.805990][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  657.075986][T13725] softirqs last disabled at (0): 0x0
| [  657.075988][T13725] Preemption disabled at:
| [  657.075989][T13725] vprintk_emit (kernel/printk/printk.c:2471)
| [  657.075999][T13725] Tainted: [W]=WARN
[  657.076000][T13725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  657.076002][T13725] Call Trace:
[  657.076004][T13725]  <TASK>
[  657.076005][T13725]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  657.076011][T13725]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  657.076012][T13725]  __might_resched.cold (kernel/sched/core.c:9234)
[  657.076016][T13725]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  657.076018][T13725]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  657.076022][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076025][T13725]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  657.076027][T13725]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  657.076031][T13725]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.076036][T13725]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  657.076038][T13725]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  657.076041][T13725]  put_chars (drivers/char/virtio_console.c:1176)
[  657.076043][T13725]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  657.076045][T13725]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  657.076047][T13725]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  657.076052][T13725]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  657.076054][T13725]  ? vsnprintf (lib/vsprintf.c:2900)
[  657.076057][T13725]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  657.076059][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076060][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076062][T13725]  console_emit_next_record (kernel/printk/printk.c:3183)
[  657.076065][T13725]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  657.076067][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076068][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076069][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076070][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076073][T13725]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  657.076075][T13725]  console_flush_one_record (kernel/printk/printk.c:3268)
[  657.076077][T13725]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  657.076080][T13725]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  657.076082][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076084][T13725]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  657.076086][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076087][T13725]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  657.076088][T13725]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  657.076090][T13725]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  657.076091][T13725]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  657.076094][T13725]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  657.076095][T13725]  vprintk_emit (kernel/printk/printk.c:2479)
[  657.076097][T13725]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  657.076099][T13725]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  657.076100][T13725]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  657.076103][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076105][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076107][T13725]  _printk (kernel/printk/printk.c:2504)
[  657.076109][T13725]  ? snapshot_read.cold (user.c:?)
[  657.076111][T13725]  ? br_multicast_flood (??:?)
[  657.076115][T13725]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  657.076118][T13725]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  657.076119][T13725]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  657.076121][T13725]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  657.076124][T13725]  br_init_port (net/bridge/br_stp_if.c:39)
[  657.076126][T13725]  new_nbp (net/bridge/br_if.c:449)
[  657.076128][T13725]  br_add_if (net/bridge/br_if.c:592)
[  657.076130][T13725]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  657.076134][T13725]  do_set_master (net/core/rtnetlink.c:3071)
[  657.076136][T13725]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  657.076138][T13725]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  657.076140][T13725]  ? __dev_get_by_name (net/core/dev.c:905)
[  657.076141][T13725]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  657.076145][T13725]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  657.076148][T13725]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  657.076150][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076151][T13725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.076153][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076154][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076156][T13725]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  657.076158][T13725]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  657.076160][T13725]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  657.076163][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076164][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076166][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076167][T13725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  657.076168][T13725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  657.076170][T13725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.076172][T13725]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  657.076173][T13725]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  657.076177][T13725]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  657.076180][T13725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  657.076182][T13725]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  657.076184][T13725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  657.076185][T13725]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  657.076188][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076189][T13725]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  657.076191][T13725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  657.076194][T13725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  657.076196][T13725]  ? next_uptodate_folio (mm/filemap.c:3747)
[  657.076199][T13725]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  657.076201][T13725]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  657.076203][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076205][T13725]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  657.076209][T13725]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  657.076212][T13725]  ____sys_sendmsg (net/socket.c:2713)
[  657.076214][T13725]  ? copy_msghdr_from_user (net/socket.c:2650)
[  657.076215][T13725]  ? sock_write_iter (net/socket.c:1269)
[  657.076217][T13725]  ? move_addr_to_kernel (net/socket.c:258)
[  657.076219][T13725]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  657.076221][T13725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  657.076224][T13725]  ___sys_sendmsg (net/socket.c:2767)
[  657.076225][T13725]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  657.076227][T13725]  ? copy_msghdr_from_user (net/socket.c:2619)
[  657.076229][T13725]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  657.076233][T13725]  __sys_sendmsg (net/socket.c:2799)
[  657.076236][T13725]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  657.076238][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076240][T13725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  657.076241][T13725]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  657.076244][T13725]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  657.076246][T13725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  657.076248][T13725] RIP: 0033:0x7f68709f054e
[  657.076250][T13725] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  657.076252][T13725] RSP: 002b:00007fff6c54cbc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  657.076256][T13725] RAX: ffffffffffffffda RBX: 00007fff6c54d388 RCX: 00007f68709f054e
[  657.076257][T13725] RDX: 0000000000000000 RSI: 00007fff6c54cc70 RDI: 0000000000000005
[  657.076258][T13725] RBP: 00007fff6c54cbd0 R08: 0000000000000000 R09: 0000000000000000
[  657.076259][T13725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd9a
[  657.076260][T13725] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6c54d340
| [  658.498021][T13794] softirqs last disabled at (0): 0x0
| [  658.498023][T13794] Preemption disabled at:
| [  658.498023][T13794] vprintk_emit (kernel/printk/printk.c:2471)
| [  658.498034][T13794] Tainted: [W]=WARN
[  658.498035][T13794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.498036][T13794] Call Trace:
[  658.498038][T13794]  <TASK>
[  658.498039][T13794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  658.498045][T13794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  658.498046][T13794]  __might_resched.cold (kernel/sched/core.c:9234)
[  658.498050][T13794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  658.498054][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498057][T13794]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  658.498060][T13794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.498063][T13794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.498068][T13794]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  658.498070][T13794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.498073][T13794]  put_chars (drivers/char/virtio_console.c:1176)
[  658.498074][T13794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  658.498076][T13794]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  658.498078][T13794]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  658.498080][T13794]  ? pointer (lib/vsprintf.c:2577)
[  658.498084][T13794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  658.498089][T13794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  658.498090][T13794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.498093][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498096][T13794]  console_emit_next_record (kernel/printk/printk.c:3183)
[  658.498099][T13794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  658.498101][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498103][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498104][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498105][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498107][T13794]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  658.498109][T13794]  console_flush_one_record (kernel/printk/printk.c:3268)
[  658.498112][T13794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  658.498114][T13794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  658.498117][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498118][T13794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  658.498120][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498121][T13794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.498123][T13794]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  658.498125][T13794]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  658.498126][T13794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  658.498128][T13794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  658.498130][T13794]  vprintk_emit (kernel/printk/printk.c:2479)
[  658.498132][T13794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  658.498133][T13794]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  658.498136][T13794]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  658.498139][T13794]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  658.498141][T13794]  _printk (kernel/printk/printk.c:2504)
[  658.498144][T13794]  ? snapshot_read.cold (user.c:?)
[  658.498146][T13794]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  658.498149][T13794]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  658.498152][T13794]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  658.498154][T13794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  658.498157][T13794]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  658.498160][T13794]  ? netdev_notice (net/core/dev.c:13194)
[  658.498162][T13794]  ? 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)
[  658.498164][T13794]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  658.498166][T13794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.498168][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498169][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498170][T13794]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  658.498172][T13794]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  658.498173][T13794]  ? 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)
[  658.498175][T13794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  658.498176][T13794]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  658.498178][T13794]  ? register_netdev (net/core/dev.c:11618)
[  658.498179][T13794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.498181][T13794]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  658.498184][T13794]  ? __kernel_text_address (kernel/extable.c:79)
[  658.498187][T13794]  ? write_profile (profile.c:?)
[  658.498190][T13794]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  658.498194][T13794]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  658.498196][T13794]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  658.498198][T13794]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  658.498199][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498200][T13794]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  658.498204][T13794]  ? kasan_save_stack (mm/kasan/common.c:58)
[  658.498206][T13794]  ? kasan_save_stack (mm/kasan/common.c:57)
[  658.498207][T13794]  ? kasan_save_track (mm/kasan/common.c:78)
[  658.498208][T13794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  658.498209][T13794]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  658.498211][T13794]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  658.498212][T13794]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  658.498213][T13794]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  658.498216][T13794]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  658.498218][T13794]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  658.498220][T13794]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  658.498222][T13794]  ? ____sys_sendmsg (net/socket.c:2713)
[  658.498224][T13794]  ? ___sys_sendmsg (net/socket.c:2767)
[  658.498225][T13794]  ? __sys_sendmsg (net/socket.c:2799)
[  658.498227][T13794]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  658.498229][T13794]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  658.498232][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498233][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498235][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498236][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498237][T13794]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  658.498238][T13794]  ? __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)
[  658.498239][T13794]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  658.498241][T13794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  658.498242][T13794]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  658.498243][T13794]  ? nla_get_range_signed (lib/nlattr.c:270)
[  658.498247][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498248][T13794]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  658.498250][T13794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  658.498253][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498254][T13794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.498255][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498257][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498258][T13794]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  658.498260][T13794]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  658.498262][T13794]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  658.498263][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498264][T13794]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  658.498268][T13794]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  658.498270][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498271][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498273][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498274][T13794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  658.498276][T13794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  658.498278][T13794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  658.498279][T13794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  658.498281][T13794]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  658.498283][T13794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  658.498285][T13794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  658.498287][T13794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.498288][T13794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  658.498290][T13794]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  658.498293][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498294][T13794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.498296][T13794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  658.498299][T13794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  658.498301][T13794]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  658.498303][T13794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  658.498305][T13794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  658.498306][T13794]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  658.498308][T13794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.498310][T13794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  658.498313][T13794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  658.498315][T13794]  ____sys_sendmsg (net/socket.c:2713)
[  658.498317][T13794]  ? copy_msghdr_from_user (net/socket.c:2650)
[  658.498319][T13794]  ? sock_write_iter (net/socket.c:1269)
[  658.498320][T13794]  ? move_addr_to_kernel (net/socket.c:258)
[  658.498322][T13794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  658.498325][T13794]  ___sys_sendmsg (net/socket.c:2767)
[  658.498327][T13794]  ? copy_msghdr_from_user (net/socket.c:2619)
[  658.498332][T13794]  __sys_sendmsg (net/socket.c:2799)
[  658.498334][T13794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  658.498337][T13794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.498338][T13794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  658.498340][T13794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  658.498342][T13794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  658.498344][T13794] RIP: 0033:0x7f84fc01454e
[  658.498346][T13794] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  658.498348][T13794] RSP: 002b:00007fff0bae3ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  658.498351][T13794] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f84fc01454e
[  658.498353][T13794] RDX: 0000000000000000 RSI: 00007fff0bae3f90 RDI: 0000000000000005
[  658.498354][T13794] RBP: 00007fff0bae3ef0 R08: 0000000000000000 R09: 0000000000000000
[  658.498355][T13794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd9b
[  658.498356][T13794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0bae4650
| [  659.646961][T13844] softirqs last disabled at (0): 0x0
| [  659.646963][T13844] Preemption disabled at:
| [  659.646964][T13844] vprintk_emit (kernel/printk/printk.c:2471)
| [  659.646975][T13844] Tainted: [W]=WARN
[  659.646976][T13844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  659.646978][T13844] Call Trace:
[  659.646980][T13844]  <TASK>
[  659.646981][T13844]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  659.646987][T13844]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  659.646989][T13844]  __might_resched.cold (kernel/sched/core.c:9234)
[  659.646992][T13844]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  659.646995][T13844]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  659.646998][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647001][T13844]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  659.647004][T13844]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.647007][T13844]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.647013][T13844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  659.647015][T13844]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  659.647018][T13844]  put_chars (drivers/char/virtio_console.c:1176)
[  659.647020][T13844]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  659.647021][T13844]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  659.647024][T13844]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  659.647029][T13844]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  659.647031][T13844]  ? vsnprintf (lib/vsprintf.c:2900)
[  659.647034][T13844]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.647036][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647037][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647039][T13844]  console_emit_next_record (kernel/printk/printk.c:3183)
[  659.647042][T13844]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  659.647044][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647045][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647046][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647047][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647050][T13844]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  659.647052][T13844]  console_flush_one_record (kernel/printk/printk.c:3268)
[  659.647055][T13844]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  659.647057][T13844]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  659.647059][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647061][T13844]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  659.647063][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647064][T13844]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.647066][T13844]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  659.647067][T13844]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  659.647069][T13844]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  659.647071][T13844]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  659.647073][T13844]  vprintk_emit (kernel/printk/printk.c:2479)
[  659.647075][T13844]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  659.647076][T13844]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  659.647078][T13844]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.647081][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647083][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647084][T13844]  _printk (kernel/printk/printk.c:2504)
[  659.647087][T13844]  ? snapshot_read.cold (user.c:?)
[  659.647090][T13844]  ? br_multicast_flood (??:?)
[  659.647093][T13844]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  659.647096][T13844]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  659.647098][T13844]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  659.647100][T13844]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  659.647103][T13844]  br_init_port (net/bridge/br_stp_if.c:39)
[  659.647105][T13844]  new_nbp (net/bridge/br_if.c:449)
[  659.647107][T13844]  br_add_if (net/bridge/br_if.c:592)
[  659.647109][T13844]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  659.647113][T13844]  do_set_master (net/core/rtnetlink.c:3071)
[  659.647115][T13844]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  659.647117][T13844]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  659.647119][T13844]  ? __dev_get_by_name (net/core/dev.c:905)
[  659.647120][T13844]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  659.647125][T13844]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  659.647127][T13844]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  659.647129][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647131][T13844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.647132][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647134][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647135][T13844]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  659.647138][T13844]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  659.647140][T13844]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  659.647142][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647143][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647145][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647146][T13844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  659.647148][T13844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  659.647149][T13844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.647151][T13844]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  659.647153][T13844]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  659.647157][T13844]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  659.647160][T13844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  659.647162][T13844]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.647163][T13844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  659.647165][T13844]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  659.647168][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647169][T13844]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  659.647172][T13844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  659.647174][T13844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  659.647176][T13844]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  659.647179][T13844]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  659.647182][T13844]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  659.647184][T13844]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  659.647186][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647188][T13844]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  659.647192][T13844]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  659.647195][T13844]  ____sys_sendmsg (net/socket.c:2713)
[  659.647196][T13844]  ? copy_msghdr_from_user (net/socket.c:2650)
[  659.647198][T13844]  ? sock_write_iter (net/socket.c:1269)
[  659.647200][T13844]  ? move_addr_to_kernel (net/socket.c:258)
[  659.647202][T13844]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  659.647205][T13844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  659.647207][T13844]  ___sys_sendmsg (net/socket.c:2767)
[  659.647209][T13844]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  659.647211][T13844]  ? copy_msghdr_from_user (net/socket.c:2619)
[  659.647212][T13844]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  659.647217][T13844]  __sys_sendmsg (net/socket.c:2799)
[  659.647219][T13844]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  659.647222][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647223][T13844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  659.647225][T13844]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  659.647227][T13844]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  659.647230][T13844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  659.647232][T13844] RIP: 0033:0x7fa4e376d54e
[  659.647234][T13844] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  659.647236][T13844] RSP: 002b:00007ffc8e2e3bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  659.647240][T13844] RAX: ffffffffffffffda RBX: 00007ffc8e2e4378 RCX: 00007fa4e376d54e
[  659.647241][T13844] RDX: 0000000000000000 RSI: 00007ffc8e2e3c60 RDI: 0000000000000005
[  659.647243][T13844] RBP: 00007ffc8e2e3bc0 R08: 0000000000000000 R09: 0000000000000000
[  659.647243][T13844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fd9d
[  659.647245][T13844] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8e2e4330
| [  665.717436][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  665.717438][   T68] Preemption disabled at:
| [  665.717439][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  665.717451][   T68] Tainted: [W]=WARN
[  665.717452][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  665.717454][   T68] Workqueue: netns cleanup_net
[  665.717460][   T68] Call Trace:
[  665.717462][   T68]  <TASK>
[  665.717463][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  665.717469][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  665.717471][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  665.717474][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  665.717477][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  665.717480][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717483][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  665.717486][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  665.717489][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.717494][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  665.717496][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  665.717498][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  665.717500][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  665.717502][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  665.717505][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  665.717510][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  665.717512][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  665.717514][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  665.717516][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717517][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717519][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  665.717522][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  665.717525][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717526][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717527][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717528][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.717531][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  665.717533][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  665.717535][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  665.717538][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  665.717540][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.717542][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  665.717543][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717545][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  665.717546][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  665.717548][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  665.717549][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  665.717552][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  665.717553][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  665.717555][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  665.717556][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  665.717558][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  665.717561][   T68]  ? kthread (kernel/kthread.c:436)
[  665.717563][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  665.717566][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  665.717569][   T68]  _printk (kernel/printk/printk.c:2504)
[  665.717572][   T68]  ? snapshot_read.cold (user.c:?)
[  665.717574][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  665.717577][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  665.717580][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  665.717582][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  665.717584][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717586][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  665.717587][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  665.717590][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  665.717592][   T68]  ? 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)
[  665.717594][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  665.717596][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  665.717599][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  665.717603][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  665.717605][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  665.717607][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  665.717610][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  665.717612][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  665.717615][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  665.717617][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  665.717619][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  665.717621][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  665.717622][   T68]  process_one_work (kernel/workqueue.c:3387)
[  665.717625][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  665.717628][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  665.717631][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  665.717633][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  665.717641][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  665.717643][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  665.717645][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  665.717647][   T68]  kthread (kernel/kthread.c:436)
[  665.717648][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  665.717650][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  665.717652][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  665.717654][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  665.717656][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  665.717659][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  665.717661][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  667.029204][T13979] softirqs last disabled at (0): 0x0
| [  667.029206][T13979] Preemption disabled at:
| [  667.029206][T13979] vprintk_emit (kernel/printk/printk.c:2471)
| [  667.029216][T13979] Tainted: [W]=WARN
[  667.029218][T13979] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  667.029219][T13979] Call Trace:
[  667.029221][T13979]  <TASK>
[  667.029222][T13979]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  667.029228][T13979]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  667.029230][T13979]  __might_resched.cold (kernel/sched/core.c:9234)
[  667.029233][T13979]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  667.029235][T13979]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  667.029239][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029242][T13979]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  667.029245][T13979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.029248][T13979]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.029254][T13979]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  667.029255][T13979]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  667.029258][T13979]  put_chars (drivers/char/virtio_console.c:1176)
[  667.029260][T13979]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  667.029262][T13979]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  667.029264][T13979]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  667.029269][T13979]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  667.029271][T13979]  ? vsnprintf (lib/vsprintf.c:2900)
[  667.029274][T13979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.029276][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029277][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029279][T13979]  console_emit_next_record (kernel/printk/printk.c:3183)
[  667.029282][T13979]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  667.029284][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029285][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029286][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029287][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029290][T13979]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  667.029292][T13979]  console_flush_one_record (kernel/printk/printk.c:3268)
[  667.029294][T13979]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  667.029297][T13979]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  667.029299][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029301][T13979]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  667.029303][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029304][T13979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.029306][T13979]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  667.029307][T13979]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  667.029309][T13979]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  667.029311][T13979]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  667.029312][T13979]  vprintk_emit (kernel/printk/printk.c:2479)
[  667.029314][T13979]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  667.029315][T13979]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  667.029317][T13979]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  667.029320][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029322][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029323][T13979]  _printk (kernel/printk/printk.c:2504)
[  667.029326][T13979]  ? snapshot_read.cold (user.c:?)
[  667.029328][T13979]  ? br_multicast_flood (??:?)
[  667.029332][T13979]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  667.029335][T13979]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  667.029336][T13979]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.029338][T13979]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  667.029341][T13979]  br_init_port (net/bridge/br_stp_if.c:39)
[  667.029343][T13979]  new_nbp (net/bridge/br_if.c:449)
[  667.029345][T13979]  br_add_if (net/bridge/br_if.c:592)
[  667.029347][T13979]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  667.029352][T13979]  do_set_master (net/core/rtnetlink.c:3071)
[  667.029353][T13979]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  667.029355][T13979]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  667.029357][T13979]  ? __dev_get_by_name (net/core/dev.c:905)
[  667.029359][T13979]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  667.029363][T13979]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  667.029365][T13979]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  667.029367][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029369][T13979]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.029370][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029372][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029373][T13979]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  667.029376][T13979]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  667.029378][T13979]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  667.029380][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029382][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029383][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029384][T13979]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  667.029386][T13979]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  667.029388][T13979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.029389][T13979]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  667.029391][T13979]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  667.029395][T13979]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  667.029398][T13979]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  667.029399][T13979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.029401][T13979]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  667.029403][T13979]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  667.029406][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029407][T13979]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  667.029409][T13979]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  667.029412][T13979]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  667.029414][T13979]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  667.029416][T13979]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  667.029419][T13979]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  667.029421][T13979]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  667.029424][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029425][T13979]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  667.029429][T13979]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  667.029432][T13979]  ____sys_sendmsg (net/socket.c:2713)
[  667.029434][T13979]  ? copy_msghdr_from_user (net/socket.c:2650)
[  667.029436][T13979]  ? sock_write_iter (net/socket.c:1269)
[  667.029437][T13979]  ? move_addr_to_kernel (net/socket.c:258)
[  667.029439][T13979]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  667.029442][T13979]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  667.029444][T13979]  ___sys_sendmsg (net/socket.c:2767)
[  667.029446][T13979]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  667.029448][T13979]  ? copy_msghdr_from_user (net/socket.c:2619)
[  667.029449][T13979]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  667.029454][T13979]  __sys_sendmsg (net/socket.c:2799)
[  667.029456][T13979]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  667.029459][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029460][T13979]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  667.029462][T13979]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  667.029464][T13979]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  667.029466][T13979]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  667.029468][T13979] RIP: 0033:0x7f96e011f54e
[  667.029470][T13979] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  667.029472][T13979] RSP: 002b:00007fffb196d170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  667.029476][T13979] RAX: ffffffffffffffda RBX: 00007fffb196d938 RCX: 00007f96e011f54e
[  667.029478][T13979] RDX: 0000000000000000 RSI: 00007fffb196d220 RDI: 0000000000000005
[  667.029479][T13979] RBP: 00007fffb196d180 R08: 0000000000000000 R09: 0000000000000000
[  667.029480][T13979] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda4
[  667.029480][T13979] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb196d8f0
| [  668.447491][T14049] softirqs last disabled at (0): 0x0
| [  668.447493][T14049] Preemption disabled at:
| [  668.447494][T14049] vprintk_emit (kernel/printk/printk.c:2471)
| [  668.447505][T14049] Tainted: [W]=WARN
[  668.447506][T14049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  668.447509][T14049] Call Trace:
[  668.447510][T14049]  <TASK>
[  668.447512][T14049]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  668.447518][T14049]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  668.447520][T14049]  __might_resched.cold (kernel/sched/core.c:9234)
[  668.447524][T14049]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  668.447528][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447531][T14049]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  668.447534][T14049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.447537][T14049]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.447543][T14049]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  668.447545][T14049]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.447547][T14049]  put_chars (drivers/char/virtio_console.c:1176)
[  668.447549][T14049]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  668.447551][T14049]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  668.447553][T14049]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  668.447555][T14049]  ? pointer (lib/vsprintf.c:2577)
[  668.447559][T14049]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  668.447564][T14049]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  668.447566][T14049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.447568][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447570][T14049]  console_emit_next_record (kernel/printk/printk.c:3183)
[  668.447574][T14049]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  668.447576][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447577][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447578][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447579][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447581][T14049]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  668.447583][T14049]  console_flush_one_record (kernel/printk/printk.c:3268)
[  668.447586][T14049]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  668.447589][T14049]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  668.447591][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447592][T14049]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  668.447594][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447595][T14049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.447597][T14049]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  668.447599][T14049]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  668.447600][T14049]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  668.447603][T14049]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  668.447604][T14049]  vprintk_emit (kernel/printk/printk.c:2479)
[  668.447606][T14049]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  668.447607][T14049]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  668.447610][T14049]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  668.447614][T14049]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  668.447616][T14049]  _printk (kernel/printk/printk.c:2504)
[  668.447619][T14049]  ? snapshot_read.cold (user.c:?)
[  668.447621][T14049]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  668.447624][T14049]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  668.447628][T14049]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  668.447629][T14049]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  668.447633][T14049]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  668.447635][T14049]  ? netdev_notice (net/core/dev.c:13194)
[  668.447638][T14049]  ? 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)
[  668.447639][T14049]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  668.447642][T14049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.447644][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447645][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447646][T14049]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  668.447648][T14049]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  668.447649][T14049]  ? 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)
[  668.447651][T14049]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  668.447660][T14049]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  668.447663][T14049]  ? register_netdev (net/core/dev.c:11618)
[  668.447665][T14049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.447667][T14049]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  668.447670][T14049]  ? __kernel_text_address (kernel/extable.c:79)
[  668.447672][T14049]  ? write_profile (profile.c:?)
[  668.447676][T14049]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  668.447680][T14049]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  668.447682][T14049]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  668.447686][T14049]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  668.447687][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447689][T14049]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  668.447693][T14049]  ? kasan_save_stack (mm/kasan/common.c:58)
[  668.447695][T14049]  ? kasan_save_stack (mm/kasan/common.c:57)
[  668.447697][T14049]  ? kasan_save_track (mm/kasan/common.c:78)
[  668.447698][T14049]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  668.447700][T14049]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  668.447702][T14049]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  668.447703][T14049]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  668.447705][T14049]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  668.447708][T14049]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  668.447710][T14049]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  668.447712][T14049]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  668.447715][T14049]  ? ____sys_sendmsg (net/socket.c:2713)
[  668.447717][T14049]  ? ___sys_sendmsg (net/socket.c:2767)
[  668.447719][T14049]  ? __sys_sendmsg (net/socket.c:2799)
[  668.447721][T14049]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  668.447724][T14049]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  668.447728][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447729][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447731][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447732][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447734][T14049]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  668.447736][T14049]  ? __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)
[  668.447737][T14049]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  668.447739][T14049]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  668.447741][T14049]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  668.447742][T14049]  ? nla_get_range_signed (lib/nlattr.c:270)
[  668.447746][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447748][T14049]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  668.447751][T14049]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  668.447753][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447755][T14049]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  668.447756][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447758][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447760][T14049]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  668.447763][T14049]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  668.447764][T14049]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  668.447766][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447768][T14049]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  668.447772][T14049]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  668.447774][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447776][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447778][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447779][T14049]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  668.447781][T14049]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  668.447783][T14049]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  668.447784][T14049]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  668.447786][T14049]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  668.447789][T14049]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  668.447792][T14049]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  668.447793][T14049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.447795][T14049]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  668.447797][T14049]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  668.447801][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447802][T14049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.447805][T14049]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  668.447807][T14049]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  668.447809][T14049]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  668.447811][T14049]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  668.447814][T14049]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  668.447816][T14049]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  668.447818][T14049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.447820][T14049]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  668.447824][T14049]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  668.447826][T14049]  ____sys_sendmsg (net/socket.c:2713)
[  668.447828][T14049]  ? copy_msghdr_from_user (net/socket.c:2650)
[  668.447830][T14049]  ? sock_write_iter (net/socket.c:1269)
[  668.447832][T14049]  ? move_addr_to_kernel (net/socket.c:258)
[  668.447833][T14049]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  668.447837][T14049]  ___sys_sendmsg (net/socket.c:2767)
[  668.447839][T14049]  ? copy_msghdr_from_user (net/socket.c:2619)
[  668.447845][T14049]  __sys_sendmsg (net/socket.c:2799)
[  668.447847][T14049]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  668.447851][T14049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.447853][T14049]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  668.447855][T14049]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  668.447857][T14049]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  668.447859][T14049] RIP: 0033:0x7faa62a6054e
[  668.447861][T14049] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  668.447864][T14049] RSP: 002b:00007fff1da6c250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  668.447868][T14049] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faa62a6054e
[  668.447869][T14049] RDX: 0000000000000000 RSI: 00007fff1da6c300 RDI: 0000000000000005
[  668.447871][T14049] RBP: 00007fff1da6c260 R08: 0000000000000000 R09: 0000000000000000
[  668.447872][T14049] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda5
[  668.447873][T14049] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1da6c9c0
| [  669.611462][T14099] softirqs last disabled at (0): 0x0
| [  669.611463][T14099] Preemption disabled at:
| [  669.611464][T14099] vprintk_emit (kernel/printk/printk.c:2471)
| [  669.611475][T14099] Tainted: [W]=WARN
[  669.611476][T14099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  669.611478][T14099] Call Trace:
[  669.611480][T14099]  <TASK>
[  669.611481][T14099]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  669.611486][T14099]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  669.611488][T14099]  __might_resched.cold (kernel/sched/core.c:9234)
[  669.611492][T14099]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  669.611494][T14099]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  669.611498][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611500][T14099]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  669.611503][T14099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.611506][T14099]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.611511][T14099]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  669.611513][T14099]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.611516][T14099]  put_chars (drivers/char/virtio_console.c:1176)
[  669.611518][T14099]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  669.611519][T14099]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  669.611522][T14099]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  669.611527][T14099]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  669.611529][T14099]  ? vsnprintf (lib/vsprintf.c:2900)
[  669.611532][T14099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.611534][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611535][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611537][T14099]  console_emit_next_record (kernel/printk/printk.c:3183)
[  669.611540][T14099]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  669.611542][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611543][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611544][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611545][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611548][T14099]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  669.611550][T14099]  console_flush_one_record (kernel/printk/printk.c:3268)
[  669.611552][T14099]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  669.611555][T14099]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  669.611557][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611559][T14099]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  669.611560][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611562][T14099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.611563][T14099]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  669.611565][T14099]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  669.611566][T14099]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  669.611568][T14099]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  669.611570][T14099]  vprintk_emit (kernel/printk/printk.c:2479)
[  669.611572][T14099]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  669.611573][T14099]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.611575][T14099]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  669.611578][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611579][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611581][T14099]  _printk (kernel/printk/printk.c:2504)
[  669.611584][T14099]  ? snapshot_read.cold (user.c:?)
[  669.611586][T14099]  ? br_multicast_flood (??:?)
[  669.611590][T14099]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  669.611592][T14099]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  669.611593][T14099]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.611595][T14099]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  669.611598][T14099]  br_init_port (net/bridge/br_stp_if.c:39)
[  669.611600][T14099]  new_nbp (net/bridge/br_if.c:449)
[  669.611602][T14099]  br_add_if (net/bridge/br_if.c:592)
[  669.611604][T14099]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  669.611608][T14099]  do_set_master (net/core/rtnetlink.c:3071)
[  669.611610][T14099]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  669.611612][T14099]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  669.611614][T14099]  ? __dev_get_by_name (net/core/dev.c:905)
[  669.611615][T14099]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  669.611619][T14099]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  669.611622][T14099]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.611624][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611625][T14099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.611627][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611628][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611630][T14099]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  669.611632][T14099]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  669.611634][T14099]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  669.611637][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611638][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611639][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611641][T14099]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.611642][T14099]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  669.611644][T14099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.611645][T14099]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  669.611647][T14099]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  669.611651][T14099]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  669.611654][T14099]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.611655][T14099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.611657][T14099]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  669.611659][T14099]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  669.611668][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611669][T14099]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.611671][T14099]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  669.611674][T14099]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  669.611676][T14099]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  669.611678][T14099]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  669.611681][T14099]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  669.611687][T14099]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  669.611690][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611691][T14099]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  669.611695][T14099]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  669.611698][T14099]  ____sys_sendmsg (net/socket.c:2713)
[  669.611700][T14099]  ? copy_msghdr_from_user (net/socket.c:2650)
[  669.611702][T14099]  ? sock_write_iter (net/socket.c:1269)
[  669.611703][T14099]  ? move_addr_to_kernel (net/socket.c:258)
[  669.611706][T14099]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  669.611708][T14099]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.611710][T14099]  ___sys_sendmsg (net/socket.c:2767)
[  669.611712][T14099]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  669.611714][T14099]  ? copy_msghdr_from_user (net/socket.c:2619)
[  669.611715][T14099]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  669.611720][T14099]  __sys_sendmsg (net/socket.c:2799)
[  669.611722][T14099]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  669.611725][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611726][T14099]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.611728][T14099]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  669.611730][T14099]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  669.611732][T14099]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.611735][T14099] RIP: 0033:0x7f5630d4854e
[  669.611737][T14099] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  669.611739][T14099] RSP: 002b:00007ffd67184af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  669.611742][T14099] RAX: ffffffffffffffda RBX: 00007ffd671852b8 RCX: 00007f5630d4854e
[  669.611744][T14099] RDX: 0000000000000000 RSI: 00007ffd67184ba0 RDI: 0000000000000005
[  669.611745][T14099] RBP: 00007ffd67184b00 R08: 0000000000000000 R09: 0000000000000000
[  669.611746][T14099] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fda7
[  669.611747][T14099] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd67185270
| [  675.746175][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  675.746177][   T68] Preemption disabled at:
| [  675.746178][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  675.746189][   T68] Tainted: [W]=WARN
[  675.746191][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  675.746192][   T68] Workqueue: netns cleanup_net
[  675.746198][   T68] Call Trace:
[  675.746200][   T68]  <TASK>
[  675.746201][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  675.746207][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  675.746209][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  675.746212][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  675.746215][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  675.746218][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746221][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  675.746224][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.746227][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.746232][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  675.746234][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.746236][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  675.746238][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  675.746240][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  675.746243][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  675.746248][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  675.746250][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  675.746252][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.746254][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746255][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746257][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  675.746260][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  675.746262][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746263][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746264][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746265][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.746268][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  675.746270][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  675.746272][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  675.746275][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  675.746277][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.746279][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  675.746281][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746282][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  675.746283][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  675.746285][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  675.746286][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  675.746288][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  675.746290][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  675.746292][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  675.746293][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  675.746295][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  675.746297][   T68]  ? kthread (kernel/kthread.c:436)
[  675.746300][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  675.746303][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  675.746305][   T68]  _printk (kernel/printk/printk.c:2504)
[  675.746308][   T68]  ? snapshot_read.cold (user.c:?)
[  675.746311][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  675.746314][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  675.746316][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  675.746319][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  675.746321][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746322][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  675.746324][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  675.746327][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  675.746328][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  675.746330][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  675.746332][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  675.746335][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  675.746339][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  675.746341][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  675.746344][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  675.746346][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  675.746348][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  675.746351][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  675.746353][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  675.746355][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.746357][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.746358][   T68]  process_one_work (kernel/workqueue.c:3387)
[  675.746361][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  675.746364][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.746367][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  675.746369][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  675.746371][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  675.746373][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  675.746375][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  675.746377][   T68]  kthread (kernel/kthread.c:436)
[  675.746379][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  675.746380][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  675.746382][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  675.746384][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  675.746386][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  675.746389][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  675.746391][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  676.994991][T14237] softirqs last disabled at (0): 0x0
| [  676.994993][T14237] Preemption disabled at:
| [  676.994994][T14237] vprintk_emit (kernel/printk/printk.c:2471)
| [  676.995005][T14237] Tainted: [W]=WARN
[  676.995006][T14237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  676.995007][T14237] Call Trace:
[  676.995009][T14237]  <TASK>
[  676.995010][T14237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  676.995017][T14237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  676.995018][T14237]  __might_resched.cold (kernel/sched/core.c:9234)
[  676.995022][T14237]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  676.995024][T14237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  676.995027][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995030][T14237]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  676.995033][T14237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.995036][T14237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.995042][T14237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  676.995044][T14237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.995046][T14237]  put_chars (drivers/char/virtio_console.c:1176)
[  676.995048][T14237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  676.995050][T14237]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  676.995053][T14237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  676.995058][T14237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  676.995060][T14237]  ? vsnprintf (lib/vsprintf.c:2900)
[  676.995063][T14237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.995065][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995066][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995068][T14237]  console_emit_next_record (kernel/printk/printk.c:3183)
[  676.995070][T14237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  676.995073][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995074][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995075][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995076][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995079][T14237]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  676.995081][T14237]  console_flush_one_record (kernel/printk/printk.c:3268)
[  676.995083][T14237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  676.995086][T14237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  676.995088][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995090][T14237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  676.995092][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995093][T14237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.995095][T14237]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  676.995096][T14237]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  676.995098][T14237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  676.995100][T14237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  676.995102][T14237]  vprintk_emit (kernel/printk/printk.c:2479)
[  676.995104][T14237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  676.995105][T14237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.995107][T14237]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.995110][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995111][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995113][T14237]  _printk (kernel/printk/printk.c:2504)
[  676.995116][T14237]  ? snapshot_read.cold (user.c:?)
[  676.995118][T14237]  ? br_multicast_flood (??:?)
[  676.995121][T14237]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  676.995125][T14237]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  676.995126][T14237]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.995128][T14237]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  676.995131][T14237]  br_init_port (net/bridge/br_stp_if.c:39)
[  676.995133][T14237]  new_nbp (net/bridge/br_if.c:449)
[  676.995135][T14237]  br_add_if (net/bridge/br_if.c:592)
[  676.995137][T14237]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  676.995141][T14237]  do_set_master (net/core/rtnetlink.c:3071)
[  676.995143][T14237]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  676.995145][T14237]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  676.995146][T14237]  ? __dev_get_by_name (net/core/dev.c:905)
[  676.995148][T14237]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  676.995152][T14237]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  676.995155][T14237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.995157][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995158][T14237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.995160][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995161][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995163][T14237]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  676.995166][T14237]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  676.995168][T14237]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  676.995170][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995172][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995173][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995175][T14237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.995176][T14237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.995178][T14237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.995179][T14237]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.995181][T14237]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.995185][T14237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.995188][T14237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.995190][T14237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.995191][T14237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  676.995193][T14237]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  676.995196][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995197][T14237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.995199][T14237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.995202][T14237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  676.995204][T14237]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  676.995207][T14237]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  676.995210][T14237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.995212][T14237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  676.995214][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995216][T14237]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  676.995219][T14237]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.995223][T14237]  ____sys_sendmsg (net/socket.c:2713)
[  676.995224][T14237]  ? copy_msghdr_from_user (net/socket.c:2650)
[  676.995226][T14237]  ? sock_write_iter (net/socket.c:1269)
[  676.995228][T14237]  ? move_addr_to_kernel (net/socket.c:258)
[  676.995230][T14237]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  676.995233][T14237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.995235][T14237]  ___sys_sendmsg (net/socket.c:2767)
[  676.995236][T14237]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  676.995238][T14237]  ? copy_msghdr_from_user (net/socket.c:2619)
[  676.995240][T14237]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  676.995245][T14237]  __sys_sendmsg (net/socket.c:2799)
[  676.995247][T14237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  676.995250][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995251][T14237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.995252][T14237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.995255][T14237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  676.995257][T14237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.995259][T14237] RIP: 0033:0x7fa968dce54e
[  676.995261][T14237] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  676.995263][T14237] RSP: 002b:00007ffee4785ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  676.995268][T14237] RAX: ffffffffffffffda RBX: 00007ffee4786698 RCX: 00007fa968dce54e
[  676.995269][T14237] RDX: 0000000000000000 RSI: 00007ffee4785f80 RDI: 0000000000000005
[  676.995270][T14237] RBP: 00007ffee4785ee0 R08: 0000000000000000 R09: 0000000000000000
[  676.995271][T14237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdae
[  676.995272][T14237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee4786650
| [  678.390642][T14307] softirqs last disabled at (0): 0x0
| [  678.390644][T14307] Preemption disabled at:
| [  678.390645][T14307] vprintk_emit (kernel/printk/printk.c:2471)
| [  678.390655][T14307] Tainted: [W]=WARN
[  678.390656][T14307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  678.390658][T14307] Call Trace:
[  678.390660][T14307]  <TASK>
[  678.390661][T14307]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  678.390667][T14307]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  678.390668][T14307]  __might_resched.cold (kernel/sched/core.c:9234)
[  678.390672][T14307]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  678.390676][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390678][T14307]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  678.390686][T14307]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.390690][T14307]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.390695][T14307]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  678.390697][T14307]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.390700][T14307]  put_chars (drivers/char/virtio_console.c:1176)
[  678.390701][T14307]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  678.390703][T14307]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  678.390705][T14307]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  678.390707][T14307]  ? pointer (lib/vsprintf.c:2577)
[  678.390711][T14307]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  678.390719][T14307]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  678.390721][T14307]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.390723][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390726][T14307]  console_emit_next_record (kernel/printk/printk.c:3183)
[  678.390729][T14307]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  678.390731][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390732][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390733][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390735][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390737][T14307]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  678.390739][T14307]  console_flush_one_record (kernel/printk/printk.c:3268)
[  678.390741][T14307]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  678.390744][T14307]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  678.390746][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390748][T14307]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  678.390750][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390751][T14307]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.390752][T14307]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  678.390754][T14307]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  678.390755][T14307]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  678.390757][T14307]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  678.390759][T14307]  vprintk_emit (kernel/printk/printk.c:2479)
[  678.390760][T14307]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  678.390762][T14307]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  678.390764][T14307]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  678.390767][T14307]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  678.390770][T14307]  _printk (kernel/printk/printk.c:2504)
[  678.390773][T14307]  ? snapshot_read.cold (user.c:?)
[  678.390775][T14307]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  678.390777][T14307]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  678.390781][T14307]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  678.390782][T14307]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.390786][T14307]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  678.390788][T14307]  ? netdev_notice (net/core/dev.c:13194)
[  678.390790][T14307]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  678.390792][T14307]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  678.390795][T14307]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.390797][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390798][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390799][T14307]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  678.390800][T14307]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  678.390802][T14307]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  678.390803][T14307]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.390804][T14307]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  678.390806][T14307]  ? register_netdev (net/core/dev.c:11618)
[  678.390807][T14307]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.390810][T14307]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  678.390813][T14307]  ? __kernel_text_address (kernel/extable.c:79)
[  678.390816][T14307]  ? write_profile (profile.c:?)
[  678.390819][T14307]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  678.390822][T14307]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  678.390824][T14307]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  678.390826][T14307]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  678.390827][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390828][T14307]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  678.390832][T14307]  ? kasan_save_stack (mm/kasan/common.c:58)
[  678.390834][T14307]  ? kasan_save_stack (mm/kasan/common.c:57)
[  678.390835][T14307]  ? kasan_save_track (mm/kasan/common.c:78)
[  678.390836][T14307]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  678.390837][T14307]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  678.390838][T14307]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  678.390840][T14307]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  678.390841][T14307]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  678.390844][T14307]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  678.390846][T14307]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  678.390847][T14307]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  678.390850][T14307]  ? ____sys_sendmsg (net/socket.c:2713)
[  678.390851][T14307]  ? ___sys_sendmsg (net/socket.c:2767)
[  678.390853][T14307]  ? __sys_sendmsg (net/socket.c:2799)
[  678.390854][T14307]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  678.390857][T14307]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.390860][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390861][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390862][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390864][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390865][T14307]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  678.390866][T14307]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  678.390867][T14307]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  678.390869][T14307]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  678.390870][T14307]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  678.390871][T14307]  ? nla_get_range_signed (lib/nlattr.c:270)
[  678.390875][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390876][T14307]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  678.390878][T14307]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  678.390880][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390881][T14307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.390883][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390884][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390885][T14307]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  678.390888][T14307]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  678.390889][T14307]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  678.390891][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390892][T14307]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  678.390895][T14307]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  678.390898][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390899][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390900][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390902][T14307]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  678.390903][T14307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  678.390905][T14307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.390907][T14307]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  678.390908][T14307]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  678.390910][T14307]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  678.390912][T14307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  678.390914][T14307]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.390915][T14307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  678.390917][T14307]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  678.390920][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390921][T14307]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.390923][T14307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  678.390926][T14307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  678.390927][T14307]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.390929][T14307]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  678.390932][T14307]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  678.390933][T14307]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  678.390935][T14307]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.390936][T14307]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  678.390940][T14307]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  678.390942][T14307]  ____sys_sendmsg (net/socket.c:2713)
[  678.390943][T14307]  ? copy_msghdr_from_user (net/socket.c:2650)
[  678.390945][T14307]  ? sock_write_iter (net/socket.c:1269)
[  678.390946][T14307]  ? move_addr_to_kernel (net/socket.c:258)
[  678.390948][T14307]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  678.390951][T14307]  ___sys_sendmsg (net/socket.c:2767)
[  678.390953][T14307]  ? copy_msghdr_from_user (net/socket.c:2619)
[  678.390958][T14307]  __sys_sendmsg (net/socket.c:2799)
[  678.390960][T14307]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  678.390962][T14307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.390964][T14307]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  678.390966][T14307]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  678.390968][T14307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  678.390969][T14307] RIP: 0033:0x7f97ae61454e
[  678.390971][T14307] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  678.390973][T14307] RSP: 002b:00007ffde8f1a790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  678.390977][T14307] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f97ae61454e
[  678.390979][T14307] RDX: 0000000000000000 RSI: 00007ffde8f1a840 RDI: 0000000000000005
[  678.390980][T14307] RBP: 00007ffde8f1a7a0 R08: 0000000000000000 R09: 0000000000000000
[  678.390981][T14307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdaf
[  678.390982][T14307] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde8f1af00
| [  679.495517][T14357] softirqs last disabled at (0): 0x0
| [  679.495519][T14357] Preemption disabled at:
| [  679.495520][T14357] vprintk_emit (kernel/printk/printk.c:2471)
| [  679.495531][T14357] Tainted: [W]=WARN
[  679.495531][T14357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  679.495533][T14357] Call Trace:
[  679.495535][T14357]  <TASK>
[  679.495536][T14357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  679.495542][T14357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  679.495544][T14357]  __might_resched.cold (kernel/sched/core.c:9234)
[  679.495547][T14357]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  679.495550][T14357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  679.495553][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495556][T14357]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  679.495559][T14357]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.495563][T14357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.495568][T14357]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  679.495570][T14357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.495572][T14357]  put_chars (drivers/char/virtio_console.c:1176)
[  679.495574][T14357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  679.495576][T14357]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  679.495579][T14357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  679.495584][T14357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  679.495586][T14357]  ? vsnprintf (lib/vsprintf.c:2900)
[  679.495589][T14357]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.495591][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495592][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495594][T14357]  console_emit_next_record (kernel/printk/printk.c:3183)
[  679.495597][T14357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  679.495599][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495600][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495601][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495602][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495605][T14357]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  679.495607][T14357]  console_flush_one_record (kernel/printk/printk.c:3268)
[  679.495609][T14357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  679.495612][T14357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  679.495614][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495616][T14357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  679.495617][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495618][T14357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.495620][T14357]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  679.495622][T14357]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  679.495623][T14357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  679.495625][T14357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  679.495627][T14357]  vprintk_emit (kernel/printk/printk.c:2479)
[  679.495628][T14357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  679.495630][T14357]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.495631][T14357]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  679.495634][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495636][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495638][T14357]  _printk (kernel/printk/printk.c:2504)
[  679.495641][T14357]  ? snapshot_read.cold (user.c:?)
[  679.495643][T14357]  ? br_multicast_flood (??:?)
[  679.495646][T14357]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  679.495649][T14357]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  679.495651][T14357]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.495652][T14357]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  679.495655][T14357]  br_init_port (net/bridge/br_stp_if.c:39)
[  679.495657][T14357]  new_nbp (net/bridge/br_if.c:449)
[  679.495659][T14357]  br_add_if (net/bridge/br_if.c:592)
[  679.495661][T14357]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  679.495665][T14357]  do_set_master (net/core/rtnetlink.c:3071)
[  679.495667][T14357]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  679.495669][T14357]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  679.495670][T14357]  ? __dev_get_by_name (net/core/dev.c:905)
[  679.495672][T14357]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  679.495676][T14357]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  679.495679][T14357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.495681][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495685][T14357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.495687][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495689][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495691][T14357]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  679.495693][T14357]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  679.495695][T14357]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  679.495698][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495699][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495700][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495702][T14357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.495703][T14357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  679.495705][T14357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.495706][T14357]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  679.495708][T14357]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  679.495712][T14357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  679.495715][T14357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.495716][T14357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.495718][T14357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  679.495720][T14357]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  679.495730][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495731][T14357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.495734][T14357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  679.495736][T14357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  679.495738][T14357]  ? next_uptodate_folio (mm/filemap.c:3747)
[  679.495741][T14357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  679.495743][T14357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  679.495745][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495747][T14357]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  679.495751][T14357]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  679.495754][T14357]  ____sys_sendmsg (net/socket.c:2713)
[  679.495756][T14357]  ? copy_msghdr_from_user (net/socket.c:2650)
[  679.495758][T14357]  ? sock_write_iter (net/socket.c:1269)
[  679.495759][T14357]  ? move_addr_to_kernel (net/socket.c:258)
[  679.495762][T14357]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  679.495764][T14357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.495766][T14357]  ___sys_sendmsg (net/socket.c:2767)
[  679.495768][T14357]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  679.495770][T14357]  ? copy_msghdr_from_user (net/socket.c:2619)
[  679.495772][T14357]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  679.495776][T14357]  __sys_sendmsg (net/socket.c:2799)
[  679.495779][T14357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  679.495781][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495782][T14357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.495784][T14357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  679.495786][T14357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  679.495789][T14357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  679.495791][T14357] RIP: 0033:0x7f073b9b854e
[  679.495793][T14357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  679.495795][T14357] RSP: 002b:00007fff67613bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  679.495799][T14357] RAX: ffffffffffffffda RBX: 00007fff67614378 RCX: 00007f073b9b854e
[  679.495800][T14357] RDX: 0000000000000000 RSI: 00007fff67613c60 RDI: 0000000000000005
[  679.495801][T14357] RBP: 00007fff67613bc0 R08: 0000000000000000 R09: 0000000000000000
[  679.495802][T14357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdb0
[  679.495803][T14357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff67614330
| [  685.553205][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  685.553207][   T68] Preemption disabled at:
| [  685.553208][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  685.553219][   T68] Tainted: [W]=WARN
[  685.553220][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  685.553222][   T68] Workqueue: netns cleanup_net
[  685.553227][   T68] Call Trace:
[  685.553229][   T68]  <TASK>
[  685.553231][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  685.553237][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  685.553238][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  685.553242][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  685.553245][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  685.553248][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553251][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  685.553254][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.553257][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.553262][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  685.553264][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.553267][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  685.553269][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  685.553270][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  685.553273][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  685.553278][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  685.553280][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  685.553282][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.553284][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553285][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553287][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  685.553290][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  685.553292][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553293][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553294][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553296][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.553298][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  685.553300][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  685.553303][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  685.553306][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  685.553308][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.553310][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  685.553312][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553313][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  685.553314][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  685.553316][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  685.553317][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  685.553320][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  685.553321][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  685.553323][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  685.553324][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  685.553326][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  685.553329][   T68]  ? kthread (kernel/kthread.c:436)
[  685.553331][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  685.553334][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  685.553336][   T68]  _printk (kernel/printk/printk.c:2504)
[  685.553339][   T68]  ? snapshot_read.cold (user.c:?)
[  685.553342][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  685.553345][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  685.553347][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  685.553349][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  685.553352][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553353][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  685.553354][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  685.553357][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  685.553359][   T68]  ? 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)
[  685.553360][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  685.553363][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  685.553366][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  685.553370][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  685.553372][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  685.553375][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  685.553377][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  685.553379][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  685.553382][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  685.553384][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  685.553386][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.553388][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.553389][   T68]  process_one_work (kernel/workqueue.c:3387)
[  685.553392][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  685.553395][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.553398][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  685.553400][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  685.553402][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  685.553404][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  685.553406][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  685.553408][   T68]  kthread (kernel/kthread.c:436)
[  685.553410][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  685.553411][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  685.553413][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  685.553415][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  685.553417][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  685.553420][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  685.553422][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  686.831750][T14496] softirqs last disabled at (0): 0x0
| [  686.831752][T14496] Preemption disabled at:
| [  686.831753][T14496] vprintk_emit (kernel/printk/printk.c:2471)
| [  686.831763][T14496] Tainted: [W]=WARN
[  686.831764][T14496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  686.831765][T14496] Call Trace:
[  686.831767][T14496]  <TASK>
[  686.831768][T14496]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  686.831779][T14496]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  686.831781][T14496]  __might_resched.cold (kernel/sched/core.c:9234)
[  686.831785][T14496]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  686.831787][T14496]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  686.831791][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831793][T14496]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  686.831796][T14496]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  686.831802][T14496]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.831808][T14496]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  686.831810][T14496]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  686.831813][T14496]  put_chars (drivers/char/virtio_console.c:1176)
[  686.831815][T14496]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  686.831817][T14496]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  686.831819][T14496]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  686.831825][T14496]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  686.831826][T14496]  ? vsnprintf (lib/vsprintf.c:2900)
[  686.831830][T14496]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  686.831832][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831833][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831835][T14496]  console_emit_next_record (kernel/printk/printk.c:3183)
[  686.831838][T14496]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  686.831840][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831841][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831842][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831843][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.831846][T14496]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  686.831847][T14496]  console_flush_one_record (kernel/printk/printk.c:3268)
[  686.831850][T14496]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  686.831853][T14496]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  686.831855][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.831856][T14496]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  686.831858][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831859][T14496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  686.831861][T14496]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  686.831862][T14496]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  686.831864][T14496]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  686.831866][T14496]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  686.831868][T14496]  vprintk_emit (kernel/printk/printk.c:2479)
[  686.831870][T14496]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  686.831871][T14496]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  686.831873][T14496]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  686.831876][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.831878][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831880][T14496]  _printk (kernel/printk/printk.c:2504)
[  686.831883][T14496]  ? snapshot_read.cold (user.c:?)
[  686.831885][T14496]  ? br_multicast_flood (??:?)
[  686.831889][T14496]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  686.831891][T14496]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  686.831893][T14496]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  686.831895][T14496]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  686.831898][T14496]  br_init_port (net/bridge/br_stp_if.c:39)
[  686.831899][T14496]  new_nbp (net/bridge/br_if.c:449)
[  686.831902][T14496]  br_add_if (net/bridge/br_if.c:592)
[  686.831904][T14496]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  686.831908][T14496]  do_set_master (net/core/rtnetlink.c:3071)
[  686.831910][T14496]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  686.831912][T14496]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  686.831913][T14496]  ? __dev_get_by_name (net/core/dev.c:905)
[  686.831915][T14496]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  686.831920][T14496]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  686.831922][T14496]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  686.831925][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831926][T14496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.831927][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.831929][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831930][T14496]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  686.831933][T14496]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  686.831935][T14496]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  686.831938][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831939][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.831940][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831942][T14496]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  686.831943][T14496]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  686.831945][T14496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  686.831946][T14496]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  686.831948][T14496]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  686.831952][T14496]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  686.831955][T14496]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  686.831957][T14496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  686.831958][T14496]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  686.831960][T14496]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  686.831964][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.831965][T14496]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  686.831967][T14496]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  686.831969][T14496]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  686.831971][T14496]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  686.831974][T14496]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  686.831977][T14496]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  686.831979][T14496]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  686.831982][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.831983][T14496]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  686.831987][T14496]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  686.831990][T14496]  ____sys_sendmsg (net/socket.c:2713)
[  686.831992][T14496]  ? copy_msghdr_from_user (net/socket.c:2650)
[  686.831994][T14496]  ? sock_write_iter (net/socket.c:1269)
[  686.831995][T14496]  ? move_addr_to_kernel (net/socket.c:258)
[  686.831998][T14496]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  686.832000][T14496]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  686.832002][T14496]  ___sys_sendmsg (net/socket.c:2767)
[  686.832004][T14496]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  686.832006][T14496]  ? copy_msghdr_from_user (net/socket.c:2619)
[  686.832008][T14496]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  686.832012][T14496]  __sys_sendmsg (net/socket.c:2799)
[  686.832015][T14496]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  686.832017][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.832019][T14496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  686.832020][T14496]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  686.832023][T14496]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  686.832025][T14496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  686.832027][T14496] RIP: 0033:0x7f48cb9be54e
[  686.832029][T14496] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  686.832031][T14496] RSP: 002b:00007fffee9f7a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  686.832035][T14496] RAX: ffffffffffffffda RBX: 00007fffee9f8238 RCX: 00007f48cb9be54e
[  686.832037][T14496] RDX: 0000000000000000 RSI: 00007fffee9f7b20 RDI: 0000000000000005
[  686.832038][T14496] RBP: 00007fffee9f7a80 R08: 0000000000000000 R09: 0000000000000000
[  686.832039][T14496] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdb8
[  686.832040][T14496] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffee9f81f0
| [  688.427945][T14565] softirqs last disabled at (0): 0x0
| [  688.427947][T14565] Preemption disabled at:
| [  688.427948][T14565] vprintk_emit (kernel/printk/printk.c:2471)
| [  688.427958][T14565] Tainted: [W]=WARN
[  688.427959][T14565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  688.427961][T14565] Call Trace:
[  688.427963][T14565]  <TASK>
[  688.427964][T14565]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  688.427971][T14565]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  688.427973][T14565]  __might_resched.cold (kernel/sched/core.c:9234)
[  688.427977][T14565]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  688.427981][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.427984][T14565]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  688.427987][T14565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  688.427990][T14565]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.427996][T14565]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  688.427998][T14565]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  688.428001][T14565]  put_chars (drivers/char/virtio_console.c:1176)
[  688.428003][T14565]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  688.428004][T14565]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  688.428007][T14565]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  688.428009][T14565]  ? pointer (lib/vsprintf.c:2577)
[  688.428013][T14565]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  688.428018][T14565]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  688.428020][T14565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  688.428022][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428026][T14565]  console_emit_next_record (kernel/printk/printk.c:3183)
[  688.428030][T14565]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  688.428033][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428034][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428035][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428037][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428039][T14565]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  688.428041][T14565]  console_flush_one_record (kernel/printk/printk.c:3268)
[  688.428043][T14565]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  688.428046][T14565]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  688.428048][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428050][T14565]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  688.428052][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428053][T14565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.428055][T14565]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  688.428057][T14565]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  688.428059][T14565]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  688.428061][T14565]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  688.428062][T14565]  vprintk_emit (kernel/printk/printk.c:2479)
[  688.428064][T14565]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  688.428066][T14565]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  688.428068][T14565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  688.428072][T14565]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  688.428074][T14565]  _printk (kernel/printk/printk.c:2504)
[  688.428077][T14565]  ? snapshot_read.cold (user.c:?)
[  688.428080][T14565]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  688.428082][T14565]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  688.428087][T14565]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  688.428090][T14565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.428094][T14565]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  688.428097][T14565]  ? netdev_notice (net/core/dev.c:13194)
[  688.428099][T14565]  ? 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)
[  688.428101][T14565]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  688.428104][T14565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  688.428106][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428107][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428108][T14565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  688.428109][T14565]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  688.428111][T14565]  ? 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)
[  688.428113][T14565]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.428114][T14565]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  688.428116][T14565]  ? register_netdev (net/core/dev.c:11618)
[  688.428118][T14565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.428120][T14565]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  688.428123][T14565]  ? __kernel_text_address (kernel/extable.c:79)
[  688.428126][T14565]  ? write_profile (profile.c:?)
[  688.428129][T14565]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  688.428133][T14565]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  688.428135][T14565]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  688.428136][T14565]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  688.428138][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428139][T14565]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  688.428144][T14565]  ? kasan_save_stack (mm/kasan/common.c:58)
[  688.428147][T14565]  ? kasan_save_stack (mm/kasan/common.c:57)
[  688.428149][T14565]  ? kasan_save_track (mm/kasan/common.c:78)
[  688.428151][T14565]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  688.428152][T14565]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  688.428153][T14565]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  688.428154][T14565]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.428156][T14565]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.428159][T14565]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.428160][T14565]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.428162][T14565]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.428165][T14565]  ? ____sys_sendmsg (net/socket.c:2713)
[  688.428166][T14565]  ? ___sys_sendmsg (net/socket.c:2767)
[  688.428168][T14565]  ? __sys_sendmsg (net/socket.c:2799)
[  688.428170][T14565]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.428173][T14565]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.428176][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428177][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428179][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428180][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428181][T14565]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  688.428183][T14565]  ? __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)
[  688.428184][T14565]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  688.428185][T14565]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  688.428187][T14565]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  688.428188][T14565]  ? nla_get_range_signed (lib/nlattr.c:270)
[  688.428192][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428193][T14565]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  688.428195][T14565]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  688.428198][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428199][T14565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.428200][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428202][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428204][T14565]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  688.428206][T14565]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  688.428209][T14565]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  688.428211][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428214][T14565]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  688.428218][T14565]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  688.428220][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428221][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428223][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428224][T14565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  688.428226][T14565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  688.428228][T14565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.428229][T14565]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  688.428231][T14565]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  688.428233][T14565]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  688.428235][T14565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  688.428237][T14565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.428239][T14565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  688.428240][T14565]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  688.428244][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428245][T14565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  688.428247][T14565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  688.428249][T14565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  688.428251][T14565]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.428253][T14565]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  688.428256][T14565]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  688.428257][T14565]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  688.428259][T14565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  688.428261][T14565]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  688.428264][T14565]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  688.428266][T14565]  ____sys_sendmsg (net/socket.c:2713)
[  688.428268][T14565]  ? copy_msghdr_from_user (net/socket.c:2650)
[  688.428271][T14565]  ? sock_write_iter (net/socket.c:1269)
[  688.428274][T14565]  ? move_addr_to_kernel (net/socket.c:258)
[  688.428277][T14565]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  688.428279][T14565]  ___sys_sendmsg (net/socket.c:2767)
[  688.428281][T14565]  ? copy_msghdr_from_user (net/socket.c:2619)
[  688.428287][T14565]  __sys_sendmsg (net/socket.c:2799)
[  688.428289][T14565]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  688.428292][T14565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  688.428294][T14565]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  688.428296][T14565]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  688.428298][T14565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  688.428300][T14565] RIP: 0033:0x7facf82d454e
[  688.428302][T14565] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  688.428304][T14565] RSP: 002b:00007ffd61d121c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  688.428308][T14565] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007facf82d454e
[  688.428310][T14565] RDX: 0000000000000000 RSI: 00007ffd61d12270 RDI: 0000000000000005
[  688.428311][T14565] RBP: 00007ffd61d121d0 R08: 0000000000000000 R09: 0000000000000000
[  688.428312][T14565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdb9
[  688.428313][T14565] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd61d12930
| [  689.609047][T14622] softirqs last disabled at (0): 0x0
| [  689.609049][T14622] Preemption disabled at:
| [  689.609050][T14622] vprintk_emit (kernel/printk/printk.c:2471)
| [  689.609061][T14622] Tainted: [W]=WARN
[  689.609062][T14622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  689.609064][T14622] Call Trace:
[  689.609065][T14622]  <TASK>
[  689.609067][T14622]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  689.609073][T14622]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  689.609074][T14622]  __might_resched.cold (kernel/sched/core.c:9234)
[  689.609078][T14622]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  689.609080][T14622]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  689.609084][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609086][T14622]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  689.609089][T14622]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.609093][T14622]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.609098][T14622]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  689.609100][T14622]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.609103][T14622]  put_chars (drivers/char/virtio_console.c:1176)
[  689.609105][T14622]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  689.609107][T14622]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  689.609109][T14622]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  689.609114][T14622]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  689.609116][T14622]  ? vsnprintf (lib/vsprintf.c:2900)
[  689.609120][T14622]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.609121][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609123][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609124][T14622]  console_emit_next_record (kernel/printk/printk.c:3183)
[  689.609127][T14622]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  689.609130][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609131][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609132][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609133][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609135][T14622]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  689.609137][T14622]  console_flush_one_record (kernel/printk/printk.c:3268)
[  689.609140][T14622]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  689.609143][T14622]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  689.609145][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609146][T14622]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  689.609148][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609149][T14622]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.609151][T14622]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  689.609153][T14622]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  689.609154][T14622]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  689.609156][T14622]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  689.609158][T14622]  vprintk_emit (kernel/printk/printk.c:2479)
[  689.609160][T14622]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  689.609161][T14622]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.609163][T14622]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.609166][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609168][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609169][T14622]  _printk (kernel/printk/printk.c:2504)
[  689.609172][T14622]  ? snapshot_read.cold (user.c:?)
[  689.609175][T14622]  ? br_multicast_flood (??:?)
[  689.609178][T14622]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  689.609181][T14622]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  689.609183][T14622]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.609185][T14622]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  689.609187][T14622]  br_init_port (net/bridge/br_stp_if.c:39)
[  689.609189][T14622]  new_nbp (net/bridge/br_if.c:449)
[  689.609192][T14622]  br_add_if (net/bridge/br_if.c:592)
[  689.609193][T14622]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  689.609198][T14622]  do_set_master (net/core/rtnetlink.c:3071)
[  689.609200][T14622]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  689.609202][T14622]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  689.609203][T14622]  ? __dev_get_by_name (net/core/dev.c:905)
[  689.609205][T14622]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  689.609209][T14622]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  689.609212][T14622]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.609214][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609215][T14622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.609216][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609218][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609220][T14622]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  689.609222][T14622]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  689.609224][T14622]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  689.609227][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609228][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609230][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609231][T14622]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.609232][T14622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  689.609234][T14622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.609236][T14622]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.609237][T14622]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  689.609241][T14622]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  689.609245][T14622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.609246][T14622]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.609248][T14622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  689.609249][T14622]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  689.609252][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609254][T14622]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.609256][T14622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  689.609258][T14622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  689.609260][T14622]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  689.609263][T14622]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  689.609266][T14622]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  689.609268][T14622]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  689.609271][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609272][T14622]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  689.609276][T14622]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  689.609279][T14622]  ____sys_sendmsg (net/socket.c:2713)
[  689.609281][T14622]  ? copy_msghdr_from_user (net/socket.c:2650)
[  689.609283][T14622]  ? sock_write_iter (net/socket.c:1269)
[  689.609284][T14622]  ? move_addr_to_kernel (net/socket.c:258)
[  689.609287][T14622]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  689.609289][T14622]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.609292][T14622]  ___sys_sendmsg (net/socket.c:2767)
[  689.609293][T14622]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  689.609295][T14622]  ? copy_msghdr_from_user (net/socket.c:2619)
[  689.609297][T14622]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  689.609302][T14622]  __sys_sendmsg (net/socket.c:2799)
[  689.609304][T14622]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  689.609307][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609308][T14622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.609310][T14622]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  689.609312][T14622]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  689.609315][T14622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  689.609316][T14622] RIP: 0033:0x7ff7dec9554e
[  689.609318][T14622] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  689.609321][T14622] RSP: 002b:00007ffc01dfd360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  689.609324][T14622] RAX: ffffffffffffffda RBX: 00007ffc01dfdb28 RCX: 00007ff7dec9554e
[  689.609326][T14622] RDX: 0000000000000000 RSI: 00007ffc01dfd410 RDI: 0000000000000005
[  689.609327][T14622] RBP: 00007ffc01dfd370 R08: 0000000000000000 R09: 0000000000000000
[  689.609328][T14622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdbb
[  689.609329][T14622] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc01dfdae0
| [  695.692655][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  695.692657][   T68] Preemption disabled at:
| [  695.692658][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  695.692669][   T68] Tainted: [W]=WARN
[  695.692670][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  695.692672][   T68] Workqueue: netns cleanup_net
[  695.692677][   T68] Call Trace:
[  695.692679][   T68]  <TASK>
[  695.692680][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  695.692690][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  695.692691][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  695.692695][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  695.692697][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  695.692701][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692704][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  695.692706][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.692710][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.692715][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  695.692717][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.692720][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  695.692721][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  695.692723][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  695.692726][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  695.692731][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  695.692733][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  695.692735][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.692737][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692738][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692740][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  695.692743][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  695.692745][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692746][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692747][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692748][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.692751][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  695.692753][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  695.692755][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  695.692759][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  695.692761][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.692762][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  695.692764][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692765][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.692767][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  695.692768][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  695.692770][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  695.692772][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  695.692774][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  695.692776][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  695.692777][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  695.692778][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  695.692781][   T68]  ? kthread (kernel/kthread.c:436)
[  695.692783][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  695.692786][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  695.692789][   T68]  _printk (kernel/printk/printk.c:2504)
[  695.692792][   T68]  ? snapshot_read.cold (user.c:?)
[  695.692795][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  695.692798][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  695.692800][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  695.692803][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  695.692805][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692806][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  695.692808][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  695.692811][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  695.692812][   T68]  ? 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)
[  695.692814][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  695.692816][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  695.692819][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  695.692823][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  695.692825][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  695.692831][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  695.692834][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  695.692836][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  695.692839][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  695.692841][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  695.692843][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.692845][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.692846][   T68]  process_one_work (kernel/workqueue.c:3387)
[  695.692850][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  695.692852][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.692855][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  695.692857][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  695.692859][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  695.692861][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  695.692863][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  695.692865][   T68]  kthread (kernel/kthread.c:436)
[  695.692867][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  695.692869][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  695.692871][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  695.692873][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  695.692875][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  695.692878][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  695.692880][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  696.982244][T14761] softirqs last disabled at (0): 0x0
| [  696.982246][T14761] Preemption disabled at:
| [  696.982247][T14761] vprintk_emit (kernel/printk/printk.c:2471)
| [  696.982257][T14761] Tainted: [W]=WARN
[  696.982258][T14761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  696.982260][T14761] Call Trace:
[  696.982261][T14761]  <TASK>
[  696.982263][T14761]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  696.982269][T14761]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  696.982270][T14761]  __might_resched.cold (kernel/sched/core.c:9234)
[  696.982274][T14761]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  696.982276][T14761]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  696.982280][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982282][T14761]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  696.982285][T14761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.982289][T14761]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.982294][T14761]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  696.982296][T14761]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.982299][T14761]  put_chars (drivers/char/virtio_console.c:1176)
[  696.982300][T14761]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  696.982302][T14761]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  696.982305][T14761]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  696.982310][T14761]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  696.982311][T14761]  ? vsnprintf (lib/vsprintf.c:2900)
[  696.982315][T14761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.982316][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982317][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982319][T14761]  console_emit_next_record (kernel/printk/printk.c:3183)
[  696.982322][T14761]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  696.982324][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982326][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982327][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982328][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982330][T14761]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  696.982333][T14761]  console_flush_one_record (kernel/printk/printk.c:3268)
[  696.982335][T14761]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  696.982338][T14761]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  696.982340][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982342][T14761]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  696.982344][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982345][T14761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.982346][T14761]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  696.982348][T14761]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  696.982350][T14761]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  696.982352][T14761]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  696.982353][T14761]  vprintk_emit (kernel/printk/printk.c:2479)
[  696.982355][T14761]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  696.982356][T14761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.982358][T14761]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  696.982361][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982363][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982364][T14761]  _printk (kernel/printk/printk.c:2504)
[  696.982367][T14761]  ? snapshot_read.cold (user.c:?)
[  696.982370][T14761]  ? br_multicast_flood (??:?)
[  696.982373][T14761]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  696.982376][T14761]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  696.982377][T14761]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  696.982379][T14761]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  696.982383][T14761]  br_init_port (net/bridge/br_stp_if.c:39)
[  696.982384][T14761]  new_nbp (net/bridge/br_if.c:449)
[  696.982387][T14761]  br_add_if (net/bridge/br_if.c:592)
[  696.982388][T14761]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  696.982393][T14761]  do_set_master (net/core/rtnetlink.c:3071)
[  696.982395][T14761]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  696.982397][T14761]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  696.982398][T14761]  ? __dev_get_by_name (net/core/dev.c:905)
[  696.982400][T14761]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  696.982404][T14761]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  696.982407][T14761]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  696.982409][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982410][T14761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.982412][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982413][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982415][T14761]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  696.982418][T14761]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  696.982419][T14761]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  696.982422][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982423][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982425][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982426][T14761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  696.982428][T14761]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  696.982430][T14761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.982431][T14761]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  696.982433][T14761]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  696.982437][T14761]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  696.982440][T14761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  696.982441][T14761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.982443][T14761]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  696.982445][T14761]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  696.982448][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982449][T14761]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.982451][T14761]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  696.982454][T14761]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  696.982456][T14761]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  696.982458][T14761]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  696.982461][T14761]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  696.982464][T14761]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  696.982466][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982467][T14761]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  696.982471][T14761]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  696.982474][T14761]  ____sys_sendmsg (net/socket.c:2713)
[  696.982476][T14761]  ? copy_msghdr_from_user (net/socket.c:2650)
[  696.982478][T14761]  ? sock_write_iter (net/socket.c:1269)
[  696.982480][T14761]  ? move_addr_to_kernel (net/socket.c:258)
[  696.982482][T14761]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  696.982484][T14761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.982486][T14761]  ___sys_sendmsg (net/socket.c:2767)
[  696.982488][T14761]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  696.982490][T14761]  ? copy_msghdr_from_user (net/socket.c:2619)
[  696.982492][T14761]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  696.982497][T14761]  __sys_sendmsg (net/socket.c:2799)
[  696.982499][T14761]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  696.982501][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982503][T14761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.982504][T14761]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  696.982507][T14761]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  696.982509][T14761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  696.982511][T14761] RIP: 0033:0x7fa4e67de54e
[  696.982513][T14761] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  696.982515][T14761] RSP: 002b:00007ffd0b8ce770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  696.982519][T14761] RAX: ffffffffffffffda RBX: 00007ffd0b8cef38 RCX: 00007fa4e67de54e
[  696.982521][T14761] RDX: 0000000000000000 RSI: 00007ffd0b8ce820 RDI: 0000000000000005
[  696.982522][T14761] RBP: 00007ffd0b8ce780 R08: 0000000000000000 R09: 0000000000000000
[  696.982523][T14761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdc2
[  696.982524][T14761] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0b8ceef0
| [  698.408391][T14830] softirqs last disabled at (0): 0x0
| [  698.408393][T14830] Preemption disabled at:
| [  698.408394][T14830] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.408405][T14830] Tainted: [W]=WARN
[  698.408406][T14830] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.408407][T14830] Call Trace:
[  698.408409][T14830]  <TASK>
[  698.408410][T14830]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.408415][T14830]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.408417][T14830]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.408421][T14830]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.408424][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408427][T14830]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  698.408430][T14830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.408433][T14830]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.408438][T14830]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  698.408440][T14830]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.408443][T14830]  put_chars (drivers/char/virtio_console.c:1176)
[  698.408445][T14830]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.408446][T14830]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  698.408448][T14830]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  698.408451][T14830]  ? pointer (lib/vsprintf.c:2577)
[  698.408454][T14830]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.408459][T14830]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.408461][T14830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.408463][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408465][T14830]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.408468][T14830]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.408470][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408472][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408473][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408474][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408476][T14830]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  698.408478][T14830]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.408480][T14830]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.408483][T14830]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.408485][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408487][T14830]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.408489][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408490][T14830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.408491][T14830]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  698.408493][T14830]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  698.408494][T14830]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.408497][T14830]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.408498][T14830]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.408500][T14830]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.408501][T14830]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  698.408504][T14830]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  698.408507][T14830]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  698.408510][T14830]  _printk (kernel/printk/printk.c:2504)
[  698.408512][T14830]  ? snapshot_read.cold (user.c:?)
[  698.408515][T14830]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  698.408517][T14830]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  698.408520][T14830]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  698.408522][T14830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.408525][T14830]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  698.408528][T14830]  ? netdev_notice (net/core/dev.c:13194)
[  698.408530][T14830]  ? 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)
[  698.408532][T14830]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  698.408534][T14830]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.408536][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408537][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408538][T14830]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  698.408540][T14830]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  698.408541][T14830]  ? 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)
[  698.408543][T14830]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.408544][T14830]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  698.408546][T14830]  ? register_netdev (net/core/dev.c:11618)
[  698.408547][T14830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.408550][T14830]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  698.408552][T14830]  ? __kernel_text_address (kernel/extable.c:79)
[  698.408555][T14830]  ? write_profile (profile.c:?)
[  698.408558][T14830]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  698.408562][T14830]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.408564][T14830]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  698.408565][T14830]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  698.408567][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408568][T14830]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  698.408571][T14830]  ? kasan_save_stack (mm/kasan/common.c:58)
[  698.408573][T14830]  ? kasan_save_stack (mm/kasan/common.c:57)
[  698.408574][T14830]  ? kasan_save_track (mm/kasan/common.c:78)
[  698.408576][T14830]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  698.408577][T14830]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  698.408578][T14830]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  698.408579][T14830]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.408580][T14830]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.408584][T14830]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.408585][T14830]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.408587][T14830]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.408590][T14830]  ? ____sys_sendmsg (net/socket.c:2713)
[  698.408591][T14830]  ? ___sys_sendmsg (net/socket.c:2767)
[  698.408593][T14830]  ? __sys_sendmsg (net/socket.c:2799)
[  698.408594][T14830]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.408597][T14830]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.408600][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408601][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408602][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408603][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408604][T14830]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  698.408606][T14830]  ? __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)
[  698.408607][T14830]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  698.408608][T14830]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.408610][T14830]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  698.408611][T14830]  ? nla_get_range_signed (lib/nlattr.c:270)
[  698.408614][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408616][T14830]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  698.408618][T14830]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.408620][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408621][T14830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.408623][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408624][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408626][T14830]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  698.408628][T14830]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  698.408629][T14830]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  698.408631][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408632][T14830]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  698.408636][T14830]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  698.408638][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408639][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408641][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408642][T14830]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.408643][T14830]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.408645][T14830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.408647][T14830]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.408648][T14830]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  698.408651][T14830]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.408653][T14830]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.408654][T14830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.408656][T14830]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.408657][T14830]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  698.408661][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408662][T14830]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.408664][T14830]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.408666][T14830]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.408668][T14830]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.408670][T14830]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.408672][T14830]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.408674][T14830]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  698.408676][T14830]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.408677][T14830]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.408686][T14830]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.408689][T14830]  ____sys_sendmsg (net/socket.c:2713)
[  698.408691][T14830]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.408693][T14830]  ? sock_write_iter (net/socket.c:1269)
[  698.408695][T14830]  ? move_addr_to_kernel (net/socket.c:258)
[  698.408696][T14830]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.408699][T14830]  ___sys_sendmsg (net/socket.c:2767)
[  698.408701][T14830]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.408706][T14830]  __sys_sendmsg (net/socket.c:2799)
[  698.408708][T14830]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.408711][T14830]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.408713][T14830]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.408714][T14830]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.408717][T14830]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.408718][T14830] RIP: 0033:0x7fb5bbb6454e
[  698.408720][T14830] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  698.408722][T14830] RSP: 002b:00007fffe1e13f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.408726][T14830] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb5bbb6454e
[  698.408727][T14830] RDX: 0000000000000000 RSI: 00007fffe1e13fc0 RDI: 0000000000000005
[  698.408728][T14830] RBP: 00007fffe1e13f20 R08: 0000000000000000 R09: 0000000000000000
[  698.408730][T14830] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdc3
[  698.408731][T14830] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe1e14680
| [  699.717529][T14887] softirqs last disabled at (0): 0x0
| [  699.717531][T14887] Preemption disabled at:
| [  699.717532][T14887] vprintk_emit (kernel/printk/printk.c:2471)
| [  699.717542][T14887] Tainted: [W]=WARN
[  699.717543][T14887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  699.717545][T14887] Call Trace:
[  699.717547][T14887]  <TASK>
[  699.717548][T14887]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  699.717554][T14887]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  699.717555][T14887]  __might_resched.cold (kernel/sched/core.c:9234)
[  699.717559][T14887]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  699.717561][T14887]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  699.717564][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717567][T14887]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  699.717570][T14887]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.717573][T14887]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.717578][T14887]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  699.717580][T14887]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.717583][T14887]  put_chars (drivers/char/virtio_console.c:1176)
[  699.717585][T14887]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  699.717587][T14887]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  699.717589][T14887]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  699.717594][T14887]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  699.717596][T14887]  ? vsnprintf (lib/vsprintf.c:2900)
[  699.717599][T14887]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.717601][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717602][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717604][T14887]  console_emit_next_record (kernel/printk/printk.c:3183)
[  699.717607][T14887]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  699.717609][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717610][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717611][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717612][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717615][T14887]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  699.717617][T14887]  console_flush_one_record (kernel/printk/printk.c:3268)
[  699.717619][T14887]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  699.717622][T14887]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  699.717624][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717626][T14887]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  699.717627][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717628][T14887]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.717630][T14887]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  699.717632][T14887]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  699.717633][T14887]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  699.717635][T14887]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  699.717636][T14887]  vprintk_emit (kernel/printk/printk.c:2479)
[  699.717638][T14887]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  699.717640][T14887]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.717641][T14887]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.717644][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717646][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717647][T14887]  _printk (kernel/printk/printk.c:2504)
[  699.717651][T14887]  ? snapshot_read.cold (user.c:?)
[  699.717653][T14887]  ? br_multicast_flood (??:?)
[  699.717656][T14887]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  699.717660][T14887]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  699.717662][T14887]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  699.717665][T14887]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  699.717668][T14887]  br_init_port (net/bridge/br_stp_if.c:39)
[  699.717671][T14887]  new_nbp (net/bridge/br_if.c:449)
[  699.717674][T14887]  br_add_if (net/bridge/br_if.c:592)
[  699.717677][T14887]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  699.717685][T14887]  do_set_master (net/core/rtnetlink.c:3071)
[  699.717690][T14887]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  699.717693][T14887]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  699.717695][T14887]  ? __dev_get_by_name (net/core/dev.c:905)
[  699.717698][T14887]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  699.717702][T14887]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  699.717705][T14887]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  699.717707][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717709][T14887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.717710][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717711][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717713][T14887]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  699.717716][T14887]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  699.717717][T14887]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  699.717720][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717721][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717723][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717724][T14887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.717725][T14887]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  699.717727][T14887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.717729][T14887]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.717730][T14887]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  699.717734][T14887]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  699.717737][T14887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.717738][T14887]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.717740][T14887]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  699.717742][T14887]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  699.717745][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717746][T14887]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.717748][T14887]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  699.717751][T14887]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  699.717753][T14887]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  699.717756][T14887]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  699.717758][T14887]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  699.717761][T14887]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  699.717763][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717765][T14887]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  699.717768][T14887]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  699.717771][T14887]  ____sys_sendmsg (net/socket.c:2713)
[  699.717773][T14887]  ? copy_msghdr_from_user (net/socket.c:2650)
[  699.717774][T14887]  ? sock_write_iter (net/socket.c:1269)
[  699.717776][T14887]  ? move_addr_to_kernel (net/socket.c:258)
[  699.717778][T14887]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  699.717781][T14887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.717783][T14887]  ___sys_sendmsg (net/socket.c:2767)
[  699.717784][T14887]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  699.717786][T14887]  ? copy_msghdr_from_user (net/socket.c:2619)
[  699.717788][T14887]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  699.717792][T14887]  __sys_sendmsg (net/socket.c:2799)
[  699.717795][T14887]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  699.717797][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717799][T14887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.717800][T14887]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  699.717803][T14887]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  699.717805][T14887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.717807][T14887] RIP: 0033:0x7fa07db0f54e
[  699.717809][T14887] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  699.717811][T14887] RSP: 002b:00007ffd7daa3870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  699.717815][T14887] RAX: ffffffffffffffda RBX: 00007ffd7daa4038 RCX: 00007fa07db0f54e
[  699.717816][T14887] RDX: 0000000000000000 RSI: 00007ffd7daa3920 RDI: 0000000000000005
[  699.717817][T14887] RBP: 00007ffd7daa3880 R08: 0000000000000000 R09: 0000000000000000
[  699.717818][T14887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdc5
[  699.717819][T14887] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7daa3ff0
| [  705.906330][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  705.906333][   T68] Preemption disabled at:
| [  705.906333][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  705.906344][   T68] Tainted: [W]=WARN
[  705.906346][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  705.906348][   T68] Workqueue: netns cleanup_net
[  705.906353][   T68] Call Trace:
[  705.906355][   T68]  <TASK>
[  705.906356][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  705.906362][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  705.906363][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  705.906367][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  705.906369][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  705.906373][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906375][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  705.906378][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.906381][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.906386][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  705.906388][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.906391][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  705.906393][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  705.906395][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  705.906397][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  705.906403][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  705.906404][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  705.906407][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.906409][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906410][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906412][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  705.906415][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  705.906417][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906418][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906419][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906420][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.906423][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  705.906425][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  705.906427][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  705.906430][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  705.906432][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.906434][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  705.906436][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906437][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  705.906439][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  705.906440][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  705.906442][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  705.906444][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  705.906446][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  705.906447][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  705.906449][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  705.906450][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  705.906453][   T68]  ? kthread (kernel/kthread.c:436)
[  705.906455][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  705.906459][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  705.906461][   T68]  _printk (kernel/printk/printk.c:2504)
[  705.906465][   T68]  ? snapshot_read.cold (user.c:?)
[  705.906467][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  705.906471][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  705.906473][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  705.906475][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  705.906478][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906479][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  705.906480][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  705.906484][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  705.906485][   T68]  ? 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)
[  705.906487][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  705.906489][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  705.906492][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  705.906496][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  705.906498][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  705.906501][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  705.906503][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  705.906505][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  705.906508][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  705.906510][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  705.906512][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.906514][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.906516][   T68]  process_one_work (kernel/workqueue.c:3387)
[  705.906519][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  705.906521][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.906524][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  705.906527][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  705.906529][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  705.906531][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  705.906533][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  705.906534][   T68]  kthread (kernel/kthread.c:436)
[  705.906536][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  705.906538][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  705.906540][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  705.906542][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  705.906544][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  705.906547][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  705.906549][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  707.332738][T15025] softirqs last disabled at (0): 0x0
| [  707.332740][T15025] Preemption disabled at:
| [  707.332741][T15025] vprintk_emit (kernel/printk/printk.c:2471)
| [  707.332751][T15025] Tainted: [W]=WARN
[  707.332752][T15025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  707.332754][T15025] Call Trace:
[  707.332755][T15025]  <TASK>
[  707.332757][T15025]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  707.332762][T15025]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  707.332764][T15025]  __might_resched.cold (kernel/sched/core.c:9234)
[  707.332767][T15025]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  707.332770][T15025]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  707.332773][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332776][T15025]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  707.332778][T15025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.332781][T15025]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.332787][T15025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  707.332788][T15025]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.332791][T15025]  put_chars (drivers/char/virtio_console.c:1176)
[  707.332793][T15025]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  707.332795][T15025]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  707.332798][T15025]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  707.332802][T15025]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  707.332804][T15025]  ? vsnprintf (lib/vsprintf.c:2900)
[  707.332807][T15025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.332809][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332810][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332812][T15025]  console_emit_next_record (kernel/printk/printk.c:3183)
[  707.332815][T15025]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  707.332817][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332818][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332819][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332821][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332823][T15025]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  707.332826][T15025]  console_flush_one_record (kernel/printk/printk.c:3268)
[  707.332828][T15025]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  707.332831][T15025]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  707.332833][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332835][T15025]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  707.332836][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332838][T15025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.332839][T15025]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  707.332841][T15025]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  707.332842][T15025]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  707.332845][T15025]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  707.332846][T15025]  vprintk_emit (kernel/printk/printk.c:2479)
[  707.332848][T15025]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  707.332849][T15025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.332851][T15025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  707.332854][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332855][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332857][T15025]  _printk (kernel/printk/printk.c:2504)
[  707.332860][T15025]  ? snapshot_read.cold (user.c:?)
[  707.332862][T15025]  ? br_multicast_flood (??:?)
[  707.332865][T15025]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  707.332868][T15025]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  707.332869][T15025]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  707.332871][T15025]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  707.332874][T15025]  br_init_port (net/bridge/br_stp_if.c:39)
[  707.332876][T15025]  new_nbp (net/bridge/br_if.c:449)
[  707.332878][T15025]  br_add_if (net/bridge/br_if.c:592)
[  707.332880][T15025]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  707.332885][T15025]  do_set_master (net/core/rtnetlink.c:3071)
[  707.332887][T15025]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  707.332888][T15025]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  707.332890][T15025]  ? __dev_get_by_name (net/core/dev.c:905)
[  707.332892][T15025]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  707.332896][T15025]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  707.332899][T15025]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  707.332901][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332909][T15025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.332910][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332912][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332914][T15025]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  707.332917][T15025]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  707.332919][T15025]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  707.332921][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332922][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332924][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332925][T15025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.332927][T15025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  707.332929][T15025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  707.332930][T15025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  707.332932][T15025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  707.332936][T15025]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  707.332939][T15025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  707.332940][T15025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.332942][T15025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  707.332944][T15025]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  707.332947][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.332948][T15025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.332951][T15025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  707.332953][T15025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  707.332955][T15025]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  707.332958][T15025]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  707.332961][T15025]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  707.332963][T15025]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  707.332965][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332967][T15025]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  707.332970][T15025]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  707.332973][T15025]  ____sys_sendmsg (net/socket.c:2713)
[  707.332975][T15025]  ? copy_msghdr_from_user (net/socket.c:2650)
[  707.332977][T15025]  ? sock_write_iter (net/socket.c:1269)
[  707.332979][T15025]  ? move_addr_to_kernel (net/socket.c:258)
[  707.332981][T15025]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  707.332983][T15025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.332985][T15025]  ___sys_sendmsg (net/socket.c:2767)
[  707.332987][T15025]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  707.332989][T15025]  ? copy_msghdr_from_user (net/socket.c:2619)
[  707.332991][T15025]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  707.332995][T15025]  __sys_sendmsg (net/socket.c:2799)
[  707.332998][T15025]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  707.333001][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.333002][T15025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.333003][T15025]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  707.333006][T15025]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  707.333008][T15025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  707.333010][T15025] RIP: 0033:0x7fc6ccd8154e
[  707.333012][T15025] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  707.333014][T15025] RSP: 002b:00007ffe54f706d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  707.333018][T15025] RAX: ffffffffffffffda RBX: 00007ffe54f70e98 RCX: 00007fc6ccd8154e
[  707.333019][T15025] RDX: 0000000000000000 RSI: 00007ffe54f70780 RDI: 0000000000000005
[  707.333020][T15025] RBP: 00007ffe54f706e0 R08: 0000000000000000 R09: 0000000000000000
[  707.333021][T15025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdcc
[  707.333022][T15025] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe54f70e50
| [  708.792192][T15094] softirqs last disabled at (0): 0x0
| [  708.792194][T15094] Preemption disabled at:
| [  708.792195][T15094] vprintk_emit (kernel/printk/printk.c:2471)
| [  708.792206][T15094] Tainted: [W]=WARN
[  708.792206][T15094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  708.792208][T15094] Call Trace:
[  708.792210][T15094]  <TASK>
[  708.792211][T15094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  708.792217][T15094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  708.792218][T15094]  __might_resched.cold (kernel/sched/core.c:9234)
[  708.792222][T15094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  708.792225][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792228][T15094]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  708.792231][T15094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.792234][T15094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.792239][T15094]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  708.792241][T15094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.792243][T15094]  put_chars (drivers/char/virtio_console.c:1176)
[  708.792245][T15094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  708.792246][T15094]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  708.792249][T15094]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  708.792251][T15094]  ? pointer (lib/vsprintf.c:2577)
[  708.792254][T15094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  708.792259][T15094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  708.792261][T15094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.792263][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792265][T15094]  console_emit_next_record (kernel/printk/printk.c:3183)
[  708.792268][T15094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  708.792270][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792271][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792272][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792274][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792276][T15094]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  708.792278][T15094]  console_flush_one_record (kernel/printk/printk.c:3268)
[  708.792280][T15094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  708.792283][T15094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  708.792285][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792286][T15094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  708.792288][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792289][T15094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.792291][T15094]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  708.792292][T15094]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  708.792294][T15094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  708.792296][T15094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  708.792298][T15094]  vprintk_emit (kernel/printk/printk.c:2479)
[  708.792299][T15094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  708.792301][T15094]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  708.792303][T15094]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  708.792306][T15094]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  708.792309][T15094]  _printk (kernel/printk/printk.c:2504)
[  708.792312][T15094]  ? snapshot_read.cold (user.c:?)
[  708.792314][T15094]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  708.792316][T15094]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  708.792319][T15094]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  708.792321][T15094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.792324][T15094]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  708.792327][T15094]  ? netdev_notice (net/core/dev.c:13194)
[  708.792329][T15094]  ? 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)
[  708.792330][T15094]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  708.792333][T15094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.792335][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792336][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792337][T15094]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  708.792338][T15094]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  708.792340][T15094]  ? 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)
[  708.792341][T15094]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.792343][T15094]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  708.792345][T15094]  ? register_netdev (net/core/dev.c:11618)
[  708.792346][T15094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.792348][T15094]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  708.792351][T15094]  ? __kernel_text_address (kernel/extable.c:79)
[  708.792353][T15094]  ? write_profile (profile.c:?)
[  708.792356][T15094]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  708.792360][T15094]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  708.792362][T15094]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  708.792364][T15094]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  708.792365][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792366][T15094]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  708.792370][T15094]  ? kasan_save_stack (mm/kasan/common.c:58)
[  708.792372][T15094]  ? kasan_save_stack (mm/kasan/common.c:57)
[  708.792373][T15094]  ? kasan_save_track (mm/kasan/common.c:78)
[  708.792374][T15094]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  708.792375][T15094]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  708.792376][T15094]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  708.792377][T15094]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.792379][T15094]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.792382][T15094]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.792383][T15094]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.792385][T15094]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.792388][T15094]  ? ____sys_sendmsg (net/socket.c:2713)
[  708.792389][T15094]  ? ___sys_sendmsg (net/socket.c:2767)
[  708.792391][T15094]  ? __sys_sendmsg (net/socket.c:2799)
[  708.792393][T15094]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.792395][T15094]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.792398][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792399][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792400][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792401][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792403][T15094]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  708.792404][T15094]  ? __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)
[  708.792405][T15094]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  708.792406][T15094]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  708.792408][T15094]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  708.792409][T15094]  ? nla_get_range_signed (lib/nlattr.c:270)
[  708.792412][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792414][T15094]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  708.792416][T15094]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  708.792418][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792419][T15094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.792420][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792422][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792423][T15094]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  708.792426][T15094]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  708.792427][T15094]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  708.792429][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792430][T15094]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  708.792433][T15094]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  708.792436][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792437][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792438][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792439][T15094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.792441][T15094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.792442][T15094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.792444][T15094]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  708.792446][T15094]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  708.792448][T15094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.792450][T15094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.792451][T15094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.792453][T15094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  708.792454][T15094]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  708.792458][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792459][T15094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.792461][T15094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.792463][T15094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  708.792465][T15094]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.792467][T15094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.792469][T15094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  708.792471][T15094]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  708.792472][T15094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.792474][T15094]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  708.792477][T15094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.792479][T15094]  ____sys_sendmsg (net/socket.c:2713)
[  708.792481][T15094]  ? copy_msghdr_from_user (net/socket.c:2650)
[  708.792483][T15094]  ? sock_write_iter (net/socket.c:1269)
[  708.792484][T15094]  ? move_addr_to_kernel (net/socket.c:258)
[  708.792486][T15094]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  708.792488][T15094]  ___sys_sendmsg (net/socket.c:2767)
[  708.792490][T15094]  ? copy_msghdr_from_user (net/socket.c:2619)
[  708.792495][T15094]  __sys_sendmsg (net/socket.c:2799)
[  708.792497][T15094]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  708.792500][T15094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.792501][T15094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.792503][T15094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  708.792505][T15094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.792507][T15094] RIP: 0033:0x7f49f927a54e
[  708.792509][T15094] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  708.792511][T15094] RSP: 002b:00007ffcbb77c5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  708.792514][T15094] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f49f927a54e
[  708.792516][T15094] RDX: 0000000000000000 RSI: 00007ffcbb77c6a0 RDI: 0000000000000005
[  708.792517][T15094] RBP: 00007ffcbb77c600 R08: 0000000000000000 R09: 0000000000000000
[  708.792518][T15094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdce
[  708.792519][T15094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbb77cd60
| [  709.920099][T15144] softirqs last disabled at (0): 0x0
| [  709.920101][T15144] Preemption disabled at:
| [  709.920102][T15144] vprintk_emit (kernel/printk/printk.c:2471)
| [  709.920112][T15144] Tainted: [W]=WARN
[  709.920113][T15144] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  709.920115][T15144] Call Trace:
[  709.920116][T15144]  <TASK>
[  709.920117][T15144]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  709.920123][T15144]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  709.920125][T15144]  __might_resched.cold (kernel/sched/core.c:9234)
[  709.920129][T15144]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  709.920131][T15144]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  709.920134][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920137][T15144]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  709.920140][T15144]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.920144][T15144]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.920149][T15144]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  709.920150][T15144]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.920153][T15144]  put_chars (drivers/char/virtio_console.c:1176)
[  709.920155][T15144]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  709.920157][T15144]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  709.920160][T15144]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  709.920164][T15144]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  709.920166][T15144]  ? vsnprintf (lib/vsprintf.c:2900)
[  709.920170][T15144]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.920172][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920173][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920175][T15144]  console_emit_next_record (kernel/printk/printk.c:3183)
[  709.920178][T15144]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  709.920180][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920181][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920182][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920183][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920186][T15144]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  709.920187][T15144]  console_flush_one_record (kernel/printk/printk.c:3268)
[  709.920190][T15144]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  709.920193][T15144]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  709.920195][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920197][T15144]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  709.920198][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920199][T15144]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.920201][T15144]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  709.920203][T15144]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  709.920204][T15144]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  709.920206][T15144]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  709.920208][T15144]  vprintk_emit (kernel/printk/printk.c:2479)
[  709.920210][T15144]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  709.920211][T15144]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.920213][T15144]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.920216][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920217][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920219][T15144]  _printk (kernel/printk/printk.c:2504)
[  709.920222][T15144]  ? snapshot_read.cold (user.c:?)
[  709.920224][T15144]  ? br_multicast_flood (??:?)
[  709.920228][T15144]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  709.920231][T15144]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  709.920232][T15144]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.920234][T15144]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  709.920236][T15144]  br_init_port (net/bridge/br_stp_if.c:39)
[  709.920238][T15144]  new_nbp (net/bridge/br_if.c:449)
[  709.920241][T15144]  br_add_if (net/bridge/br_if.c:592)
[  709.920242][T15144]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  709.920247][T15144]  do_set_master (net/core/rtnetlink.c:3071)
[  709.920248][T15144]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  709.920250][T15144]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  709.920252][T15144]  ? __dev_get_by_name (net/core/dev.c:905)
[  709.920253][T15144]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  709.920257][T15144]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  709.920260][T15144]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.920262][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920263][T15144]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.920265][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920266][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920268][T15144]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  709.920271][T15144]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  709.920272][T15144]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  709.920275][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920276][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920278][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920279][T15144]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.920281][T15144]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.920282][T15144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.920284][T15144]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.920285][T15144]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.920289][T15144]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.920293][T15144]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.920294][T15144]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.920296][T15144]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  709.920298][T15144]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  709.920301][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920302][T15144]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.920304][T15144]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.920307][T15144]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  709.920309][T15144]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  709.920312][T15144]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  709.920315][T15144]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.920317][T15144]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  709.920319][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920321][T15144]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  709.920325][T15144]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.920328][T15144]  ____sys_sendmsg (net/socket.c:2713)
[  709.920330][T15144]  ? copy_msghdr_from_user (net/socket.c:2650)
[  709.920331][T15144]  ? sock_write_iter (net/socket.c:1269)
[  709.920333][T15144]  ? move_addr_to_kernel (net/socket.c:258)
[  709.920335][T15144]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  709.920338][T15144]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.920340][T15144]  ___sys_sendmsg (net/socket.c:2767)
[  709.920342][T15144]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  709.920343][T15144]  ? copy_msghdr_from_user (net/socket.c:2619)
[  709.920345][T15144]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  709.920350][T15144]  __sys_sendmsg (net/socket.c:2799)
[  709.920352][T15144]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  709.920355][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920356][T15144]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.920358][T15144]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.920360][T15144]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  709.920362][T15144]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.920365][T15144] RIP: 0033:0x7fc2c099454e
[  709.920367][T15144] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  709.920369][T15144] RSP: 002b:00007ffdfcba91d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  709.920373][T15144] RAX: ffffffffffffffda RBX: 00007ffdfcba9998 RCX: 00007fc2c099454e
[  709.920374][T15144] RDX: 0000000000000000 RSI: 00007ffdfcba9280 RDI: 0000000000000005
[  709.920375][T15144] RBP: 00007ffdfcba91e0 R08: 0000000000000000 R09: 0000000000000000
[  709.920376][T15144] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdcf
[  709.920377][T15144] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfcba9950
| [  719.525192][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  719.525194][   T68] Preemption disabled at:
| [  719.525195][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  719.525206][   T68] Tainted: [W]=WARN
[  719.525207][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  719.525209][   T68] Workqueue: netns cleanup_net
[  719.525214][   T68] Call Trace:
[  719.525216][   T68]  <TASK>
[  719.525218][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  719.525224][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  719.525225][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  719.525229][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  719.525231][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  719.525235][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525238][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  719.525241][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  719.525245][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  719.525250][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  719.525252][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  719.525255][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  719.525256][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  719.525258][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  719.525261][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  719.525266][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  719.525268][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  719.525271][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  719.525272][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525274][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525276][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  719.525279][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  719.525281][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525282][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525283][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525284][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.525287][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  719.525289][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  719.525292][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  719.525295][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  719.525297][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.525299][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  719.525300][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525302][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  719.525303][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  719.525305][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  719.525307][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  719.525309][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  719.525310][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  719.525312][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  719.525314][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  719.525315][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  719.525318][   T68]  ? kthread (kernel/kthread.c:436)
[  719.525321][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  719.525324][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  719.525327][   T68]  _printk (kernel/printk/printk.c:2504)
[  719.525330][   T68]  ? snapshot_read.cold (user.c:?)
[  719.525332][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  719.525336][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  719.525338][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  719.525340][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  719.525343][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525344][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  719.525346][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  719.525349][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  719.525351][   T68]  ? 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)
[  719.525352][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  719.525354][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  719.525357][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  719.525361][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  719.525363][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  719.525366][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  719.525368][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  719.525370][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  719.525374][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  719.525376][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  719.525378][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  719.525379][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  719.525381][   T68]  process_one_work (kernel/workqueue.c:3387)
[  719.525384][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  719.525387][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  719.525390][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  719.525392][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  719.525395][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  719.525397][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  719.525399][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  719.525401][   T68]  kthread (kernel/kthread.c:436)
[  719.525402][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  719.525404][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  719.525407][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  719.525408][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  719.525411][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  719.525414][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  719.525416][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  720.874785][T15401] softirqs last disabled at (0): 0x0
| [  720.874787][T15401] Preemption disabled at:
| [  720.874788][T15401] vprintk_emit (kernel/printk/printk.c:2471)
| [  720.874799][T15401] Tainted: [W]=WARN
[  720.874800][T15401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  720.874802][T15401] Call Trace:
[  720.874804][T15401]  <TASK>
[  720.874805][T15401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  720.874811][T15401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  720.874813][T15401]  __might_resched.cold (kernel/sched/core.c:9234)
[  720.874817][T15401]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  720.874819][T15401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  720.874822][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874827][T15401]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  720.874831][T15401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.874835][T15401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.874840][T15401]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  720.874842][T15401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.874845][T15401]  put_chars (drivers/char/virtio_console.c:1176)
[  720.874847][T15401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  720.874848][T15401]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  720.874851][T15401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  720.874856][T15401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  720.874858][T15401]  ? vsnprintf (lib/vsprintf.c:2900)
[  720.874862][T15401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.874864][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874865][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874867][T15401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  720.874869][T15401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  720.874872][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874873][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874874][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874875][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.874878][T15401]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  720.874881][T15401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  720.874885][T15401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  720.874888][T15401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  720.874890][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.874892][T15401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  720.874894][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874895][T15401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.874897][T15401]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  720.874898][T15401]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  720.874900][T15401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  720.874902][T15401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  720.874903][T15401]  vprintk_emit (kernel/printk/printk.c:2479)
[  720.874905][T15401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  720.874906][T15401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.874908][T15401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  720.874912][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.874913][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874915][T15401]  _printk (kernel/printk/printk.c:2504)
[  720.874918][T15401]  ? snapshot_read.cold (user.c:?)
[  720.874920][T15401]  ? br_multicast_flood (??:?)
[  720.874924][T15401]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  720.874927][T15401]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  720.874928][T15401]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  720.874931][T15401]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  720.874935][T15401]  br_init_port (net/bridge/br_stp_if.c:39)
[  720.874938][T15401]  new_nbp (net/bridge/br_if.c:449)
[  720.874941][T15401]  br_add_if (net/bridge/br_if.c:592)
[  720.874943][T15401]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  720.874948][T15401]  do_set_master (net/core/rtnetlink.c:3071)
[  720.874950][T15401]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  720.874952][T15401]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  720.874953][T15401]  ? __dev_get_by_name (net/core/dev.c:905)
[  720.874956][T15401]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  720.874960][T15401]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  720.874963][T15401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  720.874965][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874966][T15401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  720.874968][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.874969][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874971][T15401]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  720.874974][T15401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  720.874976][T15401]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  720.874978][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874979][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.874981][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.874982][T15401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  720.874984][T15401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  720.874986][T15401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  720.874987][T15401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  720.874996][T15401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  720.875001][T15401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  720.875004][T15401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  720.875006][T15401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.875008][T15401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  720.875009][T15401]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  720.875012][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.875014][T15401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.875018][T15401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  720.875021][T15401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  720.875024][T15401]  ? next_uptodate_folio (mm/filemap.c:3747)
[  720.875028][T15401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  720.875030][T15401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  720.875033][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.875034][T15401]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  720.875038][T15401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  720.875041][T15401]  ____sys_sendmsg (net/socket.c:2713)
[  720.875043][T15401]  ? copy_msghdr_from_user (net/socket.c:2650)
[  720.875045][T15401]  ? sock_write_iter (net/socket.c:1269)
[  720.875047][T15401]  ? move_addr_to_kernel (net/socket.c:258)
[  720.875049][T15401]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  720.875052][T15401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.875054][T15401]  ___sys_sendmsg (net/socket.c:2767)
[  720.875056][T15401]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  720.875057][T15401]  ? copy_msghdr_from_user (net/socket.c:2619)
[  720.875059][T15401]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  720.875064][T15401]  __sys_sendmsg (net/socket.c:2799)
[  720.875066][T15401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  720.875069][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.875071][T15401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.875072][T15401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  720.875075][T15401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  720.875077][T15401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  720.875079][T15401] RIP: 0033:0x7f38761ce54e
[  720.875081][T15401] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  720.875084][T15401] RSP: 002b:00007fff18996b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  720.875088][T15401] RAX: ffffffffffffffda RBX: 00007fff18997358 RCX: 00007f38761ce54e
[  720.875089][T15401] RDX: 0000000000000000 RSI: 00007fff18996c40 RDI: 0000000000000005
[  720.875090][T15401] RBP: 00007fff18996ba0 R08: 0000000000000000 R09: 0000000000000000
[  720.875091][T15401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdda
[  720.875093][T15401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff18997310
| [  722.352645][T15470] softirqs last disabled at (0): 0x0
| [  722.352647][T15470] Preemption disabled at:
| [  722.352648][T15470] vprintk_emit (kernel/printk/printk.c:2471)
| [  722.352660][T15470] Tainted: [W]=WARN
[  722.352661][T15470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  722.352663][T15470] Call Trace:
[  722.352664][T15470]  <TASK>
[  722.352665][T15470]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  722.352671][T15470]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  722.352673][T15470]  __might_resched.cold (kernel/sched/core.c:9234)
[  722.352676][T15470]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  722.352680][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352688][T15470]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  722.352691][T15470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.352694][T15470]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.352699][T15470]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  722.352701][T15470]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.352704][T15470]  put_chars (drivers/char/virtio_console.c:1176)
[  722.352706][T15470]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  722.352707][T15470]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  722.352710][T15470]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  722.352712][T15470]  ? pointer (lib/vsprintf.c:2577)
[  722.352716][T15470]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  722.352721][T15470]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  722.352723][T15470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.352726][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352730][T15470]  console_emit_next_record (kernel/printk/printk.c:3183)
[  722.352733][T15470]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  722.352735][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352737][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352738][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352739][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352741][T15470]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  722.352743][T15470]  console_flush_one_record (kernel/printk/printk.c:3268)
[  722.352746][T15470]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  722.352749][T15470]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  722.352751][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352753][T15470]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  722.352755][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352756][T15470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.352758][T15470]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  722.352759][T15470]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  722.352761][T15470]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  722.352763][T15470]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  722.352765][T15470]  vprintk_emit (kernel/printk/printk.c:2479)
[  722.352767][T15470]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  722.352768][T15470]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  722.352770][T15470]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  722.352774][T15470]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  722.352778][T15470]  _printk (kernel/printk/printk.c:2504)
[  722.352782][T15470]  ? snapshot_read.cold (user.c:?)
[  722.352784][T15470]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  722.352787][T15470]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  722.352790][T15470]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  722.352792][T15470]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.352796][T15470]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  722.352798][T15470]  ? netdev_notice (net/core/dev.c:13194)
[  722.352800][T15470]  ? 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)
[  722.352802][T15470]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  722.352805][T15470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.352807][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352808][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352809][T15470]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  722.352811][T15470]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  722.352812][T15470]  ? 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)
[  722.352814][T15470]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.352815][T15470]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  722.352817][T15470]  ? register_netdev (net/core/dev.c:11618)
[  722.352818][T15470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.352821][T15470]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  722.352824][T15470]  ? __kernel_text_address (kernel/extable.c:79)
[  722.352827][T15470]  ? write_profile (profile.c:?)
[  722.352831][T15470]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  722.352835][T15470]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.352838][T15470]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  722.352839][T15470]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  722.352841][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352842][T15470]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  722.352846][T15470]  ? kasan_save_stack (mm/kasan/common.c:58)
[  722.352848][T15470]  ? kasan_save_stack (mm/kasan/common.c:57)
[  722.352849][T15470]  ? kasan_save_track (mm/kasan/common.c:78)
[  722.352850][T15470]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  722.352852][T15470]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  722.352853][T15470]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  722.352854][T15470]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.352856][T15470]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.352859][T15470]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.352860][T15470]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.352862][T15470]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.352864][T15470]  ? ____sys_sendmsg (net/socket.c:2713)
[  722.352866][T15470]  ? ___sys_sendmsg (net/socket.c:2767)
[  722.352867][T15470]  ? __sys_sendmsg (net/socket.c:2799)
[  722.352869][T15470]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.352872][T15470]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.352875][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352876][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352879][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352881][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352883][T15470]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  722.352885][T15470]  ? __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)
[  722.352886][T15470]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  722.352888][T15470]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  722.352889][T15470]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  722.352891][T15470]  ? nla_get_range_signed (lib/nlattr.c:270)
[  722.352894][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352896][T15470]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  722.352898][T15470]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  722.352900][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352901][T15470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.352903][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352904][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352906][T15470]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  722.352908][T15470]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  722.352910][T15470]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  722.352911][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352913][T15470]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  722.352916][T15470]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  722.352918][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352919][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352921][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352922][T15470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.352924][T15470]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.352925][T15470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.352928][T15470]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  722.352930][T15470]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  722.352934][T15470]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.352936][T15470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.352938][T15470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.352940][T15470]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  722.352942][T15470]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  722.352945][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352946][T15470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.352948][T15470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.352951][T15470]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  722.352953][T15470]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.352955][T15470]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.352957][T15470]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  722.352959][T15470]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  722.352961][T15470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.352962][T15470]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  722.352966][T15470]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.352968][T15470]  ____sys_sendmsg (net/socket.c:2713)
[  722.352970][T15470]  ? copy_msghdr_from_user (net/socket.c:2650)
[  722.352972][T15470]  ? sock_write_iter (net/socket.c:1269)
[  722.352974][T15470]  ? move_addr_to_kernel (net/socket.c:258)
[  722.352975][T15470]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  722.352978][T15470]  ___sys_sendmsg (net/socket.c:2767)
[  722.352980][T15470]  ? copy_msghdr_from_user (net/socket.c:2619)
[  722.352985][T15470]  __sys_sendmsg (net/socket.c:2799)
[  722.352987][T15470]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  722.352991][T15470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.352994][T15470]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.353003][T15470]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  722.353006][T15470]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.353008][T15470] RIP: 0033:0x7f4b8d61554e
[  722.353011][T15470] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  722.353013][T15470] RSP: 002b:00007ffcde3440f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  722.353017][T15470] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4b8d61554e
[  722.353020][T15470] RDX: 0000000000000000 RSI: 00007ffcde3441a0 RDI: 0000000000000005
[  722.353021][T15470] RBP: 00007ffcde344100 R08: 0000000000000000 R09: 0000000000000000
[  722.353022][T15470] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fddb
[  722.353024][T15470] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcde344860
| [  723.554319][T15520] softirqs last disabled at (0): 0x0
| [  723.554321][T15520] Preemption disabled at:
| [  723.554322][T15520] vprintk_emit (kernel/printk/printk.c:2471)
| [  723.554332][T15520] Tainted: [W]=WARN
[  723.554333][T15520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  723.554335][T15520] Call Trace:
[  723.554337][T15520]  <TASK>
[  723.554339][T15520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  723.554344][T15520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  723.554346][T15520]  __might_resched.cold (kernel/sched/core.c:9234)
[  723.554350][T15520]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  723.554352][T15520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  723.554356][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554358][T15520]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  723.554361][T15520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.554364][T15520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.554370][T15520]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  723.554371][T15520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.554374][T15520]  put_chars (drivers/char/virtio_console.c:1176)
[  723.554376][T15520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  723.554378][T15520]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  723.554381][T15520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  723.554385][T15520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  723.554387][T15520]  ? vsnprintf (lib/vsprintf.c:2900)
[  723.554391][T15520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.554392][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554394][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554395][T15520]  console_emit_next_record (kernel/printk/printk.c:3183)
[  723.554398][T15520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  723.554401][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554402][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554403][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554404][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554406][T15520]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  723.554408][T15520]  console_flush_one_record (kernel/printk/printk.c:3268)
[  723.554411][T15520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  723.554414][T15520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  723.554416][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554418][T15520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  723.554420][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554421][T15520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.554423][T15520]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  723.554424][T15520]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  723.554426][T15520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  723.554428][T15520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  723.554430][T15520]  vprintk_emit (kernel/printk/printk.c:2479)
[  723.554431][T15520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  723.554433][T15520]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.554434][T15520]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  723.554437][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554439][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554441][T15520]  _printk (kernel/printk/printk.c:2504)
[  723.554444][T15520]  ? snapshot_read.cold (user.c:?)
[  723.554446][T15520]  ? br_multicast_flood (??:?)
[  723.554450][T15520]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  723.554452][T15520]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  723.554454][T15520]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  723.554455][T15520]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  723.554458][T15520]  br_init_port (net/bridge/br_stp_if.c:39)
[  723.554460][T15520]  new_nbp (net/bridge/br_if.c:449)
[  723.554463][T15520]  br_add_if (net/bridge/br_if.c:592)
[  723.554465][T15520]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  723.554469][T15520]  do_set_master (net/core/rtnetlink.c:3071)
[  723.554471][T15520]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  723.554473][T15520]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  723.554474][T15520]  ? __dev_get_by_name (net/core/dev.c:905)
[  723.554476][T15520]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  723.554480][T15520]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  723.554482][T15520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  723.554485][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554486][T15520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  723.554487][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554489][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554490][T15520]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  723.554493][T15520]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  723.554495][T15520]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  723.554498][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554499][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554501][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554502][T15520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  723.554504][T15520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  723.554505][T15520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  723.554507][T15520]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  723.554508][T15520]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  723.554512][T15520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  723.554515][T15520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  723.554517][T15520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.554518][T15520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  723.554520][T15520]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  723.554523][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554524][T15520]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.554526][T15520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  723.554529][T15520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  723.554531][T15520]  ? next_uptodate_folio (mm/filemap.c:3747)
[  723.554534][T15520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  723.554536][T15520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  723.554539][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554540][T15520]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  723.554544][T15520]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  723.554547][T15520]  ____sys_sendmsg (net/socket.c:2713)
[  723.554548][T15520]  ? copy_msghdr_from_user (net/socket.c:2650)
[  723.554550][T15520]  ? sock_write_iter (net/socket.c:1269)
[  723.554552][T15520]  ? move_addr_to_kernel (net/socket.c:258)
[  723.554554][T15520]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  723.554557][T15520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.554559][T15520]  ___sys_sendmsg (net/socket.c:2767)
[  723.554560][T15520]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  723.554562][T15520]  ? copy_msghdr_from_user (net/socket.c:2619)
[  723.554564][T15520]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  723.554569][T15520]  __sys_sendmsg (net/socket.c:2799)
[  723.554571][T15520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  723.554574][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554575][T15520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.554577][T15520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  723.554579][T15520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  723.554581][T15520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  723.554583][T15520] RIP: 0033:0x7f5cd03c154e
[  723.554585][T15520] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  723.554587][T15520] RSP: 002b:00007ffe6c2713e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  723.554591][T15520] RAX: ffffffffffffffda RBX: 00007ffe6c271ba8 RCX: 00007f5cd03c154e
[  723.554593][T15520] RDX: 0000000000000000 RSI: 00007ffe6c271490 RDI: 0000000000000005
[  723.554594][T15520] RBP: 00007ffe6c2713f0 R08: 0000000000000000 R09: 0000000000000000
[  723.554595][T15520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fddc
[  723.554596][T15520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6c271b60
| [  733.306805][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  733.306808][   T68] Preemption disabled at:
| [  733.306809][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  733.306820][   T68] Tainted: [W]=WARN
[  733.306821][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  733.306823][   T68] Workqueue: netns cleanup_net
[  733.306829][   T68] Call Trace:
[  733.306831][   T68]  <TASK>
[  733.306833][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  733.306839][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  733.306840][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  733.306844][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  733.306846][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  733.306850][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306853][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  733.306856][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.306859][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.306864][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  733.306866][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.306869][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  733.306871][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  733.306873][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  733.306875][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  733.306880][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  733.306882][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  733.306885][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.306886][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306887][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306889][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  733.306892][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  733.306894][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306895][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306897][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306898][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.306900][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  733.306902][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  733.306905][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  733.306908][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  733.306910][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.306912][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  733.306914][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306915][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.306916][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  733.306918][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  733.306920][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  733.306922][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  733.306923][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  733.306925][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  733.306926][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  733.306928][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  733.306931][   T68]  ? kthread (kernel/kthread.c:436)
[  733.306933][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  733.306936][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  733.306939][   T68]  _printk (kernel/printk/printk.c:2504)
[  733.306942][   T68]  ? snapshot_read.cold (user.c:?)
[  733.306944][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  733.306948][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  733.306950][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  733.306952][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  733.306955][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306956][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  733.306957][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  733.306961][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  733.306962][   T68]  ? 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)
[  733.306964][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  733.306966][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  733.306969][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  733.306973][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  733.306975][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  733.306977][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  733.306980][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  733.306982][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  733.306986][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  733.306989][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  733.306992][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.306994][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.306997][   T68]  process_one_work (kernel/workqueue.c:3387)
[  733.307002][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  733.307005][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.307008][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  733.307010][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  733.307012][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  733.307014][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  733.307016][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  733.307018][   T68]  kthread (kernel/kthread.c:436)
[  733.307020][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  733.307022][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  733.307024][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  733.307026][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  733.307028][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  733.307031][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  733.307033][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  734.706702][T15777] softirqs last disabled at (0): 0x0
| [  734.706704][T15777] Preemption disabled at:
| [  734.706705][T15777] vprintk_emit (kernel/printk/printk.c:2471)
| [  734.706716][T15777] Tainted: [W]=WARN
[  734.706717][T15777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  734.706718][T15777] Call Trace:
[  734.706720][T15777]  <TASK>
[  734.706721][T15777]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  734.706727][T15777]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  734.706728][T15777]  __might_resched.cold (kernel/sched/core.c:9234)
[  734.706732][T15777]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  734.706735][T15777]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  734.706738][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706741][T15777]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  734.706744][T15777]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.706747][T15777]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.706752][T15777]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  734.706754][T15777]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.706757][T15777]  put_chars (drivers/char/virtio_console.c:1176)
[  734.706759][T15777]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  734.706761][T15777]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  734.706764][T15777]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  734.706769][T15777]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  734.706771][T15777]  ? vsnprintf (lib/vsprintf.c:2900)
[  734.706774][T15777]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.706776][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706777][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706779][T15777]  console_emit_next_record (kernel/printk/printk.c:3183)
[  734.706782][T15777]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  734.706784][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706785][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706786][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706787][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706790][T15777]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  734.706792][T15777]  console_flush_one_record (kernel/printk/printk.c:3268)
[  734.706794][T15777]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  734.706797][T15777]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  734.706799][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706801][T15777]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  734.706803][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706804][T15777]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.706805][T15777]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  734.706807][T15777]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  734.706809][T15777]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  734.706811][T15777]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  734.706812][T15777]  vprintk_emit (kernel/printk/printk.c:2479)
[  734.706814][T15777]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  734.706816][T15777]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.706818][T15777]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.706821][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706822][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706824][T15777]  _printk (kernel/printk/printk.c:2504)
[  734.706827][T15777]  ? snapshot_read.cold (user.c:?)
[  734.706829][T15777]  ? br_multicast_flood (??:?)
[  734.706832][T15777]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.706835][T15777]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.706837][T15777]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.706838][T15777]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  734.706841][T15777]  br_init_port (net/bridge/br_stp_if.c:39)
[  734.706843][T15777]  new_nbp (net/bridge/br_if.c:449)
[  734.706845][T15777]  br_add_if (net/bridge/br_if.c:592)
[  734.706847][T15777]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  734.706852][T15777]  do_set_master (net/core/rtnetlink.c:3071)
[  734.706854][T15777]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.706856][T15777]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  734.706857][T15777]  ? __dev_get_by_name (net/core/dev.c:905)
[  734.706859][T15777]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  734.706863][T15777]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.706866][T15777]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.706868][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706870][T15777]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.706871][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706873][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706874][T15777]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  734.706877][T15777]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  734.706879][T15777]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  734.706881][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706883][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706884][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706885][T15777]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.706887][T15777]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.706889][T15777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.706890][T15777]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.706892][T15777]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  734.706896][T15777]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.706899][T15777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.706901][T15777]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.706903][T15777]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  734.706904][T15777]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  734.706907][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706909][T15777]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.706911][T15777]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.706913][T15777]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  734.706915][T15777]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  734.706918][T15777]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  734.706921][T15777]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.706924][T15777]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  734.706926][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706928][T15777]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  734.706931][T15777]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.706934][T15777]  ____sys_sendmsg (net/socket.c:2713)
[  734.706936][T15777]  ? copy_msghdr_from_user (net/socket.c:2650)
[  734.706938][T15777]  ? sock_write_iter (net/socket.c:1269)
[  734.706940][T15777]  ? move_addr_to_kernel (net/socket.c:258)
[  734.706942][T15777]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  734.706945][T15777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.706947][T15777]  ___sys_sendmsg (net/socket.c:2767)
[  734.706948][T15777]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  734.706950][T15777]  ? copy_msghdr_from_user (net/socket.c:2619)
[  734.706952][T15777]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  734.706957][T15777]  __sys_sendmsg (net/socket.c:2799)
[  734.706959][T15777]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  734.706962][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706963][T15777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.706965][T15777]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.706967][T15777]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  734.706969][T15777]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.706971][T15777] RIP: 0033:0x7fc2d741654e
[  734.706973][T15777] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  734.706975][T15777] RSP: 002b:00007fff204b5160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  734.706979][T15777] RAX: ffffffffffffffda RBX: 00007fff204b5928 RCX: 00007fc2d741654e
[  734.706980][T15777] RDX: 0000000000000000 RSI: 00007fff204b5210 RDI: 0000000000000005
[  734.706981][T15777] RBP: 00007fff204b5170 R08: 0000000000000000 R09: 0000000000000000
[  734.706982][T15777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fde8
[  734.706983][T15777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff204b58e0
| [  736.350023][T15846] softirqs last disabled at (0): 0x0
| [  736.350025][T15846] Preemption disabled at:
| [  736.350025][T15846] vprintk_emit (kernel/printk/printk.c:2471)
| [  736.350037][T15846] Tainted: [W]=WARN
[  736.350038][T15846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  736.350039][T15846] Call Trace:
[  736.350041][T15846]  <TASK>
[  736.350042][T15846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  736.350048][T15846]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  736.350049][T15846]  __might_resched.cold (kernel/sched/core.c:9234)
[  736.350054][T15846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  736.350057][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350060][T15846]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  736.350063][T15846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.350066][T15846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  736.350071][T15846]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  736.350073][T15846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  736.350076][T15846]  put_chars (drivers/char/virtio_console.c:1176)
[  736.350078][T15846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  736.350079][T15846]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  736.350081][T15846]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  736.350083][T15846]  ? pointer (lib/vsprintf.c:2577)
[  736.350093][T15846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  736.350099][T15846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  736.350101][T15846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.350103][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350106][T15846]  console_emit_next_record (kernel/printk/printk.c:3183)
[  736.350108][T15846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  736.350111][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350112][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350113][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350114][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350116][T15846]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  736.350118][T15846]  console_flush_one_record (kernel/printk/printk.c:3268)
[  736.350120][T15846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  736.350123][T15846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  736.350125][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350127][T15846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  736.350129][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350130][T15846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.350132][T15846]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  736.350133][T15846]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  736.350135][T15846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  736.350137][T15846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  736.350138][T15846]  vprintk_emit (kernel/printk/printk.c:2479)
[  736.350140][T15846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  736.350141][T15846]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  736.350144][T15846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  736.350147][T15846]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  736.350150][T15846]  _printk (kernel/printk/printk.c:2504)
[  736.350153][T15846]  ? snapshot_read.cold (user.c:?)
[  736.350155][T15846]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  736.350157][T15846]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  736.350161][T15846]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  736.350163][T15846]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  736.350166][T15846]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  736.350168][T15846]  ? netdev_notice (net/core/dev.c:13194)
[  736.350170][T15846]  ? 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)
[  736.350172][T15846]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  736.350175][T15846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.350176][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350177][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350179][T15846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  736.350180][T15846]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  736.350182][T15846]  ? 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)
[  736.350183][T15846]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  736.350185][T15846]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  736.350186][T15846]  ? register_netdev (net/core/dev.c:11618)
[  736.350188][T15846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.350190][T15846]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  736.350193][T15846]  ? __kernel_text_address (kernel/extable.c:79)
[  736.350195][T15846]  ? write_profile (profile.c:?)
[  736.350198][T15846]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  736.350202][T15846]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  736.350204][T15846]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  736.350206][T15846]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  736.350207][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350208][T15846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  736.350212][T15846]  ? kasan_save_stack (mm/kasan/common.c:58)
[  736.350214][T15846]  ? kasan_save_stack (mm/kasan/common.c:57)
[  736.350215][T15846]  ? kasan_save_track (mm/kasan/common.c:78)
[  736.350216][T15846]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  736.350217][T15846]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  736.350219][T15846]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  736.350220][T15846]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  736.350221][T15846]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  736.350224][T15846]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  736.350226][T15846]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  736.350227][T15846]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  736.350230][T15846]  ? ____sys_sendmsg (net/socket.c:2713)
[  736.350231][T15846]  ? ___sys_sendmsg (net/socket.c:2767)
[  736.350233][T15846]  ? __sys_sendmsg (net/socket.c:2799)
[  736.350235][T15846]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  736.350237][T15846]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  736.350240][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350241][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350242][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350243][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350245][T15846]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  736.350246][T15846]  ? __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)
[  736.350247][T15846]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  736.350249][T15846]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  736.350250][T15846]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  736.350251][T15846]  ? nla_get_range_signed (lib/nlattr.c:270)
[  736.350255][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350256][T15846]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  736.350258][T15846]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  736.350260][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350261][T15846]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  736.350262][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350264][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350265][T15846]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  736.350268][T15846]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  736.350270][T15846]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  736.350271][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350272][T15846]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  736.350276][T15846]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  736.350278][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350279][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350281][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350282][T15846]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  736.350283][T15846]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  736.350285][T15846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  736.350287][T15846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  736.350288][T15846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  736.350291][T15846]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  736.350292][T15846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  736.350294][T15846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.350296][T15846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  736.350297][T15846]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  736.350300][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350301][T15846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.350303][T15846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  736.350306][T15846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  736.350308][T15846]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  736.350310][T15846]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  736.350312][T15846]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  736.350313][T15846]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  736.350315][T15846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.350317][T15846]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  736.350320][T15846]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  736.350322][T15846]  ____sys_sendmsg (net/socket.c:2713)
[  736.350324][T15846]  ? copy_msghdr_from_user (net/socket.c:2650)
[  736.350325][T15846]  ? sock_write_iter (net/socket.c:1269)
[  736.350327][T15846]  ? move_addr_to_kernel (net/socket.c:258)
[  736.350328][T15846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  736.350331][T15846]  ___sys_sendmsg (net/socket.c:2767)
[  736.350333][T15846]  ? copy_msghdr_from_user (net/socket.c:2619)
[  736.350338][T15846]  __sys_sendmsg (net/socket.c:2799)
[  736.350340][T15846]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  736.350343][T15846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.350344][T15846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  736.350346][T15846]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  736.350348][T15846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  736.350350][T15846] RIP: 0033:0x7fd796e3654e
[  736.350352][T15846] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  736.350354][T15846] RSP: 002b:00007ffde2d3c310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  736.350357][T15846] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd796e3654e
[  736.350359][T15846] RDX: 0000000000000000 RSI: 00007ffde2d3c3c0 RDI: 0000000000000005
[  736.350360][T15846] RBP: 00007ffde2d3c320 R08: 0000000000000000 R09: 0000000000000000
[  736.350361][T15846] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fde9
[  736.350362][T15846] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde2d3ca80
| [  737.612135][T15896] softirqs last disabled at (0): 0x0
| [  737.612137][T15896] Preemption disabled at:
| [  737.612138][T15896] vprintk_emit (kernel/printk/printk.c:2471)
| [  737.612149][T15896] Tainted: [W]=WARN
[  737.612150][T15896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  737.612151][T15896] Call Trace:
[  737.612153][T15896]  <TASK>
[  737.612154][T15896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  737.612160][T15896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  737.612162][T15896]  __might_resched.cold (kernel/sched/core.c:9234)
[  737.612165][T15896]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  737.612168][T15896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  737.612171][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612174][T15896]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  737.612177][T15896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  737.612180][T15896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  737.612186][T15896]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  737.612188][T15896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  737.612191][T15896]  put_chars (drivers/char/virtio_console.c:1176)
[  737.612193][T15896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  737.612195][T15896]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  737.612197][T15896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  737.612202][T15896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  737.612204][T15896]  ? vsnprintf (lib/vsprintf.c:2900)
[  737.612207][T15896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  737.612209][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612210][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612212][T15896]  console_emit_next_record (kernel/printk/printk.c:3183)
[  737.612215][T15896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  737.612217][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612218][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612219][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612220][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612223][T15896]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  737.612225][T15896]  console_flush_one_record (kernel/printk/printk.c:3268)
[  737.612227][T15896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  737.612230][T15896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  737.612232][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612234][T15896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  737.612236][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612237][T15896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  737.612238][T15896]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  737.612240][T15896]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  737.612242][T15896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  737.612244][T15896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  737.612245][T15896]  vprintk_emit (kernel/printk/printk.c:2479)
[  737.612247][T15896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  737.612249][T15896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  737.612250][T15896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  737.612253][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612255][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612257][T15896]  _printk (kernel/printk/printk.c:2504)
[  737.612260][T15896]  ? snapshot_read.cold (user.c:?)
[  737.612262][T15896]  ? br_multicast_flood (??:?)
[  737.612266][T15896]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  737.612269][T15896]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  737.612270][T15896]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  737.612272][T15896]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  737.612274][T15896]  br_init_port (net/bridge/br_stp_if.c:39)
[  737.612276][T15896]  new_nbp (net/bridge/br_if.c:449)
[  737.612278][T15896]  br_add_if (net/bridge/br_if.c:592)
[  737.612280][T15896]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  737.612285][T15896]  do_set_master (net/core/rtnetlink.c:3071)
[  737.612287][T15896]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  737.612288][T15896]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  737.612290][T15896]  ? __dev_get_by_name (net/core/dev.c:905)
[  737.612292][T15896]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  737.612296][T15896]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  737.612298][T15896]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  737.612300][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612302][T15896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.612303][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612305][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612306][T15896]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  737.612309][T15896]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  737.612311][T15896]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  737.612313][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612315][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612316][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612317][T15896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.612319][T15896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  737.612321][T15896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  737.612322][T15896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  737.612324][T15896]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  737.612328][T15896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  737.612331][T15896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  737.612333][T15896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  737.612334][T15896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  737.612336][T15896]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  737.612339][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612340][T15896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  737.612342][T15896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  737.612345][T15896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  737.612347][T15896]  ? next_uptodate_folio (mm/filemap.c:3747)
[  737.612350][T15896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  737.612352][T15896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  737.612354][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612356][T15896]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  737.612359][T15896]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  737.612362][T15896]  ____sys_sendmsg (net/socket.c:2713)
[  737.612364][T15896]  ? copy_msghdr_from_user (net/socket.c:2650)
[  737.612366][T15896]  ? sock_write_iter (net/socket.c:1269)
[  737.612367][T15896]  ? move_addr_to_kernel (net/socket.c:258)
[  737.612370][T15896]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  737.612372][T15896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.612374][T15896]  ___sys_sendmsg (net/socket.c:2767)
[  737.612376][T15896]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  737.612378][T15896]  ? copy_msghdr_from_user (net/socket.c:2619)
[  737.612380][T15896]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  737.612385][T15896]  __sys_sendmsg (net/socket.c:2799)
[  737.612387][T15896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  737.612389][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612391][T15896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.612392][T15896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  737.612395][T15896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  737.612397][T15896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  737.612399][T15896] RIP: 0033:0x7f046851b54e
[  737.612401][T15896] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  737.612403][T15896] RSP: 002b:00007ffd30cb18e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  737.612407][T15896] RAX: ffffffffffffffda RBX: 00007ffd30cb20a8 RCX: 00007f046851b54e
[  737.612409][T15896] RDX: 0000000000000000 RSI: 00007ffd30cb1990 RDI: 0000000000000005
[  737.612409][T15896] RBP: 00007ffd30cb18f0 R08: 0000000000000000 R09: 0000000000000000
[  737.612410][T15896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdeb
[  737.612411][T15896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd30cb2060
| [  744.201129][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  744.201131][   T68] Preemption disabled at:
| [  744.201132][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  744.201150][   T68] Tainted: [W]=WARN
[  744.201151][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  744.201153][   T68] Workqueue: netns cleanup_net
[  744.201159][   T68] Call Trace:
[  744.201161][   T68]  <TASK>
[  744.201162][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  744.201168][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  744.201169][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  744.201173][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  744.201175][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  744.201179][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201183][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  744.201187][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.201191][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.201198][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  744.201200][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.201204][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  744.201206][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  744.201208][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  744.201210][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  744.201215][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  744.201217][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  744.201220][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.201222][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201223][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201225][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  744.201228][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  744.201230][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201232][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201233][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201234][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.201237][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  744.201240][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  744.201243][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  744.201248][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  744.201250][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.201252][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  744.201254][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201255][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.201257][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  744.201258][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  744.201260][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  744.201262][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  744.201264][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  744.201265][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  744.201267][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  744.201268][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  744.201271][   T68]  ? kthread (kernel/kthread.c:436)
[  744.201274][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  744.201277][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  744.201280][   T68]  _printk (kernel/printk/printk.c:2504)
[  744.201283][   T68]  ? snapshot_read.cold (user.c:?)
[  744.201286][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  744.201289][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  744.201291][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  744.201293][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  744.201297][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201299][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  744.201302][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  744.201306][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  744.201307][   T68]  ? 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)
[  744.201309][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  744.201311][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  744.201314][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  744.201318][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  744.201320][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  744.201323][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  744.201325][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  744.201327][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  744.201330][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  744.201332][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  744.201334][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.201336][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.201338][   T68]  process_one_work (kernel/workqueue.c:3387)
[  744.201341][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  744.201345][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.201349][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  744.201352][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  744.201354][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  744.201356][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  744.201358][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  744.201360][   T68]  kthread (kernel/kthread.c:436)
[  744.201362][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  744.201364][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  744.201366][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  744.201368][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  744.201370][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  744.201373][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  744.201375][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  745.579115][T16049] softirqs last disabled at (0): 0x0
| [  745.579118][T16049] Preemption disabled at:
| [  745.579119][T16049] vprintk_emit (kernel/printk/printk.c:2471)
| [  745.579130][T16049] Tainted: [W]=WARN
[  745.579131][T16049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  745.579132][T16049] Call Trace:
[  745.579134][T16049]  <TASK>
[  745.579135][T16049]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  745.579142][T16049]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  745.579143][T16049]  __might_resched.cold (kernel/sched/core.c:9234)
[  745.579153][T16049]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  745.579155][T16049]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  745.579160][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579163][T16049]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  745.579168][T16049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  745.579171][T16049]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  745.579176][T16049]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  745.579178][T16049]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  745.579181][T16049]  put_chars (drivers/char/virtio_console.c:1176)
[  745.579183][T16049]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  745.579185][T16049]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  745.579187][T16049]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  745.579192][T16049]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  745.579194][T16049]  ? vsnprintf (lib/vsprintf.c:2900)
[  745.579197][T16049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  745.579199][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579200][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579202][T16049]  console_emit_next_record (kernel/printk/printk.c:3183)
[  745.579205][T16049]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  745.579207][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579209][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579211][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579213][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579217][T16049]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  745.579219][T16049]  console_flush_one_record (kernel/printk/printk.c:3268)
[  745.579221][T16049]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  745.579225][T16049]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  745.579228][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579231][T16049]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  745.579233][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579235][T16049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.579236][T16049]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  745.579238][T16049]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  745.579240][T16049]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  745.579242][T16049]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  745.579244][T16049]  vprintk_emit (kernel/printk/printk.c:2479)
[  745.579245][T16049]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  745.579247][T16049]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  745.579249][T16049]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  745.579252][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579253][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579255][T16049]  _printk (kernel/printk/printk.c:2504)
[  745.579260][T16049]  ? snapshot_read.cold (user.c:?)
[  745.579263][T16049]  ? br_multicast_flood (??:?)
[  745.579267][T16049]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  745.579269][T16049]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  745.579271][T16049]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  745.579273][T16049]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  745.579275][T16049]  br_init_port (net/bridge/br_stp_if.c:39)
[  745.579277][T16049]  new_nbp (net/bridge/br_if.c:449)
[  745.579280][T16049]  br_add_if (net/bridge/br_if.c:592)
[  745.579282][T16049]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  745.579286][T16049]  do_set_master (net/core/rtnetlink.c:3071)
[  745.579288][T16049]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  745.579290][T16049]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  745.579292][T16049]  ? __dev_get_by_name (net/core/dev.c:905)
[  745.579294][T16049]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  745.579298][T16049]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  745.579301][T16049]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  745.579304][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579306][T16049]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  745.579309][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579311][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579312][T16049]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  745.579315][T16049]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  745.579317][T16049]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  745.579320][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579321][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579323][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579324][T16049]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  745.579325][T16049]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  745.579327][T16049]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  745.579329][T16049]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  745.579331][T16049]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  745.579337][T16049]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  745.579341][T16049]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  745.579342][T16049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.579344][T16049]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  745.579346][T16049]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  745.579350][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579352][T16049]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.579355][T16049]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  745.579358][T16049]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  745.579360][T16049]  ? next_uptodate_folio (mm/filemap.c:3747)
[  745.579364][T16049]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  745.579366][T16049]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  745.579368][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579370][T16049]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  745.579374][T16049]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  745.579377][T16049]  ____sys_sendmsg (net/socket.c:2713)
[  745.579379][T16049]  ? copy_msghdr_from_user (net/socket.c:2650)
[  745.579381][T16049]  ? sock_write_iter (net/socket.c:1269)
[  745.579382][T16049]  ? move_addr_to_kernel (net/socket.c:258)
[  745.579385][T16049]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  745.579387][T16049]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.579389][T16049]  ___sys_sendmsg (net/socket.c:2767)
[  745.579391][T16049]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  745.579393][T16049]  ? copy_msghdr_from_user (net/socket.c:2619)
[  745.579395][T16049]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  745.579403][T16049]  __sys_sendmsg (net/socket.c:2799)
[  745.579405][T16049]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  745.579408][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579409][T16049]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.579411][T16049]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  745.579414][T16049]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  745.579416][T16049]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  745.579418][T16049] RIP: 0033:0x7fb7063cd54e
[  745.579420][T16049] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  745.579423][T16049] RSP: 002b:00007ffc73e79420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  745.579426][T16049] RAX: ffffffffffffffda RBX: 00007ffc73e79be8 RCX: 00007fb7063cd54e
[  745.579428][T16049] RDX: 0000000000000000 RSI: 00007ffc73e794d0 RDI: 0000000000000005
[  745.579429][T16049] RBP: 00007ffc73e79430 R08: 0000000000000000 R09: 0000000000000000
[  745.579430][T16049] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdf2
[  745.579431][T16049] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc73e79ba0
| [  747.186294][T16118] softirqs last disabled at (0): 0x0
| [  747.186296][T16118] Preemption disabled at:
| [  747.186298][T16118] vprintk_emit (kernel/printk/printk.c:2471)
| [  747.186311][T16118] Tainted: [W]=WARN
[  747.186312][T16118] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  747.186315][T16118] Call Trace:
[  747.186317][T16118]  <TASK>
[  747.186319][T16118]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  747.186325][T16118]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  747.186328][T16118]  __might_resched.cold (kernel/sched/core.c:9234)
[  747.186333][T16118]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  747.186337][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186341][T16118]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  747.186345][T16118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.186349][T16118]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.186356][T16118]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  747.186358][T16118]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.186362][T16118]  put_chars (drivers/char/virtio_console.c:1176)
[  747.186365][T16118]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  747.186367][T16118]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  747.186370][T16118]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  747.186374][T16118]  ? pointer (lib/vsprintf.c:2577)
[  747.186379][T16118]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  747.186385][T16118]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  747.186388][T16118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.186391][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186394][T16118]  console_emit_next_record (kernel/printk/printk.c:3183)
[  747.186398][T16118]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  747.186402][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186404][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186406][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186408][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186411][T16118]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  747.186414][T16118]  console_flush_one_record (kernel/printk/printk.c:3268)
[  747.186418][T16118]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  747.186422][T16118]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  747.186425][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186428][T16118]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  747.186430][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186432][T16118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.186435][T16118]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  747.186437][T16118]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  747.186440][T16118]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  747.186443][T16118]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  747.186445][T16118]  vprintk_emit (kernel/printk/printk.c:2479)
[  747.186448][T16118]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  747.186450][T16118]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  747.186454][T16118]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  747.186458][T16118]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  747.186462][T16118]  _printk (kernel/printk/printk.c:2504)
[  747.186467][T16118]  ? snapshot_read.cold (user.c:?)
[  747.186470][T16118]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  747.186473][T16118]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  747.186477][T16118]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  747.186480][T16118]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  747.186484][T16118]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  747.186488][T16118]  ? netdev_notice (net/core/dev.c:13194)
[  747.186491][T16118]  ? 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)
[  747.186494][T16118]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  747.186497][T16118]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.186500][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186502][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186504][T16118]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  747.186506][T16118]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  747.186509][T16118]  ? 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)
[  747.186511][T16118]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  747.186514][T16118]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  747.186516][T16118]  ? register_netdev (net/core/dev.c:11618)
[  747.186519][T16118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.186522][T16118]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  747.186526][T16118]  ? __kernel_text_address (kernel/extable.c:79)
[  747.186529][T16118]  ? write_profile (profile.c:?)
[  747.186533][T16118]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  747.186538][T16118]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  747.186541][T16118]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  747.186544][T16118]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  747.186546][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186548][T16118]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  747.186553][T16118]  ? kasan_save_stack (mm/kasan/common.c:58)
[  747.186556][T16118]  ? kasan_save_stack (mm/kasan/common.c:57)
[  747.186558][T16118]  ? kasan_save_track (mm/kasan/common.c:78)
[  747.186560][T16118]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  747.186562][T16118]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  747.186564][T16118]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  747.186566][T16118]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  747.186568][T16118]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  747.186572][T16118]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  747.186574][T16118]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  747.186577][T16118]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  747.186580][T16118]  ? ____sys_sendmsg (net/socket.c:2713)
[  747.186582][T16118]  ? ___sys_sendmsg (net/socket.c:2767)
[  747.186585][T16118]  ? __sys_sendmsg (net/socket.c:2799)
[  747.186587][T16118]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  747.186591][T16118]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  747.186595][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186597][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186599][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186601][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186603][T16118]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  747.186606][T16118]  ? __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)
[  747.186608][T16118]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  747.186610][T16118]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  747.186613][T16118]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  747.186615][T16118]  ? nla_get_range_signed (lib/nlattr.c:270)
[  747.186619][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186622][T16118]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  747.186626][T16118]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  747.186629][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186631][T16118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.186633][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186636][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186638][T16118]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  747.186641][T16118]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  747.186644][T16118]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  747.186646][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186648][T16118]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  747.186652][T16118]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  747.186656][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186658][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186660][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186662][T16118]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.186665][T16118]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  747.186667][T16118]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.186670][T16118]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  747.186672][T16118]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  747.186676][T16118]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  747.186679][T16118]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.186687][T16118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.186691][T16118]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  747.186693][T16118]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  747.186698][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186700][T16118]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.186704][T16118]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  747.186707][T16118]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  747.186710][T16118]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  747.186714][T16118]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  747.186717][T16118]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  747.186720][T16118]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  747.186722][T16118]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.186725][T16118]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  747.186730][T16118]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  747.186733][T16118]  ____sys_sendmsg (net/socket.c:2713)
[  747.186735][T16118]  ? copy_msghdr_from_user (net/socket.c:2650)
[  747.186738][T16118]  ? sock_write_iter (net/socket.c:1269)
[  747.186741][T16118]  ? move_addr_to_kernel (net/socket.c:258)
[  747.186743][T16118]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  747.186748][T16118]  ___sys_sendmsg (net/socket.c:2767)
[  747.186751][T16118]  ? copy_msghdr_from_user (net/socket.c:2619)
[  747.186759][T16118]  __sys_sendmsg (net/socket.c:2799)
[  747.186762][T16118]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  747.186767][T16118]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.186770][T16118]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  747.186772][T16118]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  747.186775][T16118]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  747.186778][T16118] RIP: 0033:0x7f832177554e
[  747.186781][T16118] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  747.186784][T16118] RSP: 002b:00007ffda0e2d990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  747.186789][T16118] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f832177554e
[  747.186791][T16118] RDX: 0000000000000000 RSI: 00007ffda0e2da40 RDI: 0000000000000005
[  747.186793][T16118] RBP: 00007ffda0e2d9a0 R08: 0000000000000000 R09: 0000000000000000
[  747.186794][T16118] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdf4
[  747.186796][T16118] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda0e2e100
| [  748.544462][T16175] softirqs last disabled at (0): 0x0
| [  748.544464][T16175] Preemption disabled at:
| [  748.544464][T16175] vprintk_emit (kernel/printk/printk.c:2471)
| [  748.544478][T16175] Tainted: [W]=WARN
[  748.544479][T16175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  748.544481][T16175] Call Trace:
[  748.544483][T16175]  <TASK>
[  748.544485][T16175]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  748.544491][T16175]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  748.544493][T16175]  __might_resched.cold (kernel/sched/core.c:9234)
[  748.544497][T16175]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  748.544499][T16175]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  748.544503][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544506][T16175]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  748.544509][T16175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  748.544512][T16175]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  748.544517][T16175]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  748.544519][T16175]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  748.544522][T16175]  put_chars (drivers/char/virtio_console.c:1176)
[  748.544524][T16175]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  748.544526][T16175]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  748.544529][T16175]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  748.544534][T16175]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  748.544535][T16175]  ? vsnprintf (lib/vsprintf.c:2900)
[  748.544539][T16175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  748.544541][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544543][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544546][T16175]  console_emit_next_record (kernel/printk/printk.c:3183)
[  748.544550][T16175]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  748.544553][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544555][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544557][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544559][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544562][T16175]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  748.544565][T16175]  console_flush_one_record (kernel/printk/printk.c:3268)
[  748.544567][T16175]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  748.544570][T16175]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  748.544572][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544574][T16175]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  748.544576][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544577][T16175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  748.544579][T16175]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  748.544581][T16175]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  748.544582][T16175]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  748.544584][T16175]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  748.544586][T16175]  vprintk_emit (kernel/printk/printk.c:2479)
[  748.544588][T16175]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  748.544589][T16175]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  748.544591][T16175]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  748.544594][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544595][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544597][T16175]  _printk (kernel/printk/printk.c:2504)
[  748.544600][T16175]  ? snapshot_read.cold (user.c:?)
[  748.544603][T16175]  ? br_multicast_flood (??:?)
[  748.544606][T16175]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  748.544609][T16175]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  748.544610][T16175]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  748.544612][T16175]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  748.544616][T16175]  br_init_port (net/bridge/br_stp_if.c:39)
[  748.544618][T16175]  new_nbp (net/bridge/br_if.c:449)
[  748.544620][T16175]  br_add_if (net/bridge/br_if.c:592)
[  748.544622][T16175]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  748.544627][T16175]  do_set_master (net/core/rtnetlink.c:3071)
[  748.544628][T16175]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  748.544630][T16175]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  748.544632][T16175]  ? __dev_get_by_name (net/core/dev.c:905)
[  748.544633][T16175]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  748.544637][T16175]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  748.544640][T16175]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  748.544643][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544646][T16175]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  748.544648][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544650][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544652][T16175]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  748.544655][T16175]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  748.544657][T16175]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  748.544659][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544661][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544662][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544663][T16175]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  748.544665][T16175]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  748.544667][T16175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  748.544668][T16175]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  748.544670][T16175]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  748.544674][T16175]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  748.544677][T16175]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  748.544679][T16175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  748.544680][T16175]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  748.544685][T16175]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  748.544689][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544690][T16175]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  748.544692][T16175]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  748.544695][T16175]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  748.544697][T16175]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  748.544700][T16175]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  748.544702][T16175]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  748.544705][T16175]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  748.544707][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544708][T16175]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  748.544713][T16175]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  748.544718][T16175]  ____sys_sendmsg (net/socket.c:2713)
[  748.544720][T16175]  ? copy_msghdr_from_user (net/socket.c:2650)
[  748.544723][T16175]  ? sock_write_iter (net/socket.c:1269)
[  748.544725][T16175]  ? move_addr_to_kernel (net/socket.c:258)
[  748.544727][T16175]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  748.544730][T16175]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  748.544732][T16175]  ___sys_sendmsg (net/socket.c:2767)
[  748.544734][T16175]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  748.544736][T16175]  ? copy_msghdr_from_user (net/socket.c:2619)
[  748.544738][T16175]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  748.544742][T16175]  __sys_sendmsg (net/socket.c:2799)
[  748.544745][T16175]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  748.544747][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544749][T16175]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  748.544750][T16175]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  748.544753][T16175]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  748.544755][T16175]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  748.544757][T16175] RIP: 0033:0x7fc276e8754e
[  748.544759][T16175] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  748.544761][T16175] RSP: 002b:00007ffd3dc6b7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  748.544765][T16175] RAX: ffffffffffffffda RBX: 00007ffd3dc6bfb8 RCX: 00007fc276e8754e
[  748.544767][T16175] RDX: 0000000000000000 RSI: 00007ffd3dc6b8a0 RDI: 0000000000000005
[  748.544768][T16175] RBP: 00007ffd3dc6b800 R08: 0000000000000000 R09: 0000000000000000
[  748.544769][T16175] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdf5
[  748.544770][T16175] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3dc6bf70
| [  755.115806][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  755.115809][   T68] Preemption disabled at:
| [  755.115810][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  755.115821][   T68] Tainted: [W]=WARN
[  755.115822][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  755.115824][   T68] Workqueue: netns cleanup_net
[  755.115831][   T68] Call Trace:
[  755.115832][   T68]  <TASK>
[  755.115834][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  755.115840][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  755.115842][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  755.115845][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  755.115848][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  755.115851][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115854][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  755.115857][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.115861][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  755.115866][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  755.115867][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  755.115870][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  755.115872][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  755.115874][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  755.115877][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  755.115882][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  755.115883][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  755.115886][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.115888][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115889][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115891][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  755.115894][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  755.115896][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115897][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115898][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115899][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.115902][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  755.115903][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  755.115906][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  755.115909][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  755.115911][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.115912][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  755.115914][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115915][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.115917][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  755.115918][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  755.115920][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  755.115922][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  755.115924][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  755.115925][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  755.115927][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  755.115928][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  755.115932][   T68]  ? kthread (kernel/kthread.c:436)
[  755.115934][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  755.115937][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  755.115940][   T68]  _printk (kernel/printk/printk.c:2504)
[  755.115943][   T68]  ? snapshot_read.cold (user.c:?)
[  755.115945][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  755.115948][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  755.115950][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  755.115953][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  755.115955][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115956][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  755.115958][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  755.115961][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  755.115962][   T68]  ? 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)
[  755.115964][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  755.115966][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  755.115969][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  755.115973][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  755.115975][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  755.115978][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  755.115980][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  755.115982][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  755.115985][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  755.115987][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  755.115989][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.115991][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.115992][   T68]  process_one_work (kernel/workqueue.c:3387)
[  755.115995][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  755.115998][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.116001][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  755.116003][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  755.116005][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  755.116007][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  755.116009][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  755.116011][   T68]  kthread (kernel/kthread.c:436)
[  755.116013][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  755.116015][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  755.116017][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  755.116018][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  755.116021][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  755.116024][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  755.116026][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  756.626765][T16327] softirqs last disabled at (0): 0x0
| [  756.626767][T16327] Preemption disabled at:
| [  756.626768][T16327] vprintk_emit (kernel/printk/printk.c:2471)
| [  756.626781][T16327] Tainted: [W]=WARN
[  756.626782][T16327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  756.626784][T16327] Call Trace:
[  756.626785][T16327]  <TASK>
[  756.626787][T16327]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  756.626793][T16327]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  756.626794][T16327]  __might_resched.cold (kernel/sched/core.c:9234)
[  756.626798][T16327]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  756.626800][T16327]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  756.626804][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626806][T16327]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  756.626809][T16327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.626813][T16327]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.626818][T16327]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  756.626821][T16327]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.626825][T16327]  put_chars (drivers/char/virtio_console.c:1176)
[  756.626827][T16327]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  756.626829][T16327]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  756.626832][T16327]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  756.626837][T16327]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  756.626839][T16327]  ? vsnprintf (lib/vsprintf.c:2900)
[  756.626842][T16327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.626844][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626845][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626847][T16327]  console_emit_next_record (kernel/printk/printk.c:3183)
[  756.626850][T16327]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  756.626852][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626853][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626854][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626855][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.626858][T16327]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  756.626860][T16327]  console_flush_one_record (kernel/printk/printk.c:3268)
[  756.626862][T16327]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  756.626865][T16327]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  756.626867][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.626869][T16327]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  756.626870][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626871][T16327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.626874][T16327]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  756.626877][T16327]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  756.626879][T16327]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  756.626882][T16327]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  756.626883][T16327]  vprintk_emit (kernel/printk/printk.c:2479)
[  756.626885][T16327]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  756.626886][T16327]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.626888][T16327]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.626891][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.626893][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626894][T16327]  _printk (kernel/printk/printk.c:2504)
[  756.626897][T16327]  ? snapshot_read.cold (user.c:?)
[  756.626899][T16327]  ? br_multicast_flood (??:?)
[  756.626902][T16327]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  756.626905][T16327]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  756.626906][T16327]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  756.626908][T16327]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  756.626911][T16327]  br_init_port (net/bridge/br_stp_if.c:39)
[  756.626913][T16327]  new_nbp (net/bridge/br_if.c:449)
[  756.626916][T16327]  br_add_if (net/bridge/br_if.c:592)
[  756.626918][T16327]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  756.626924][T16327]  do_set_master (net/core/rtnetlink.c:3071)
[  756.626927][T16327]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  756.626929][T16327]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  756.626930][T16327]  ? __dev_get_by_name (net/core/dev.c:905)
[  756.626932][T16327]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  756.626936][T16327]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  756.626939][T16327]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  756.626941][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626942][T16327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.626943][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.626945][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626947][T16327]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  756.626950][T16327]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  756.626952][T16327]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  756.626954][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626955][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.626957][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626958][T16327]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.626960][T16327]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  756.626962][T16327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.626963][T16327]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.626965][T16327]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  756.626971][T16327]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  756.626974][T16327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.626976][T16327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.626977][T16327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  756.626979][T16327]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  756.626982][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.626984][T16327]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.626986][T16327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  756.626988][T16327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  756.626990][T16327]  ? next_uptodate_folio (mm/filemap.c:3747)
[  756.626993][T16327]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  756.626996][T16327]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  756.626998][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.627000][T16327]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  756.627003][T16327]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  756.627006][T16327]  ____sys_sendmsg (net/socket.c:2713)
[  756.627008][T16327]  ? copy_msghdr_from_user (net/socket.c:2650)
[  756.627011][T16327]  ? sock_write_iter (net/socket.c:1269)
[  756.627013][T16327]  ? move_addr_to_kernel (net/socket.c:258)
[  756.627017][T16327]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  756.627020][T16327]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.627022][T16327]  ___sys_sendmsg (net/socket.c:2767)
[  756.627024][T16327]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  756.627026][T16327]  ? copy_msghdr_from_user (net/socket.c:2619)
[  756.627028][T16327]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  756.627033][T16327]  __sys_sendmsg (net/socket.c:2799)
[  756.627035][T16327]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  756.627038][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.627039][T16327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.627040][T16327]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  756.627043][T16327]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  756.627045][T16327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.627048][T16327] RIP: 0033:0x7f44127a754e
[  756.627050][T16327] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  756.627051][T16327] RSP: 002b:00007ffcc8932ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  756.627055][T16327] RAX: ffffffffffffffda RBX: 00007ffcc89336a8 RCX: 00007f44127a754e
[  756.627057][T16327] RDX: 0000000000000000 RSI: 00007ffcc8932f90 RDI: 0000000000000005
[  756.627058][T16327] RBP: 00007ffcc8932ef0 R08: 0000000000000000 R09: 0000000000000000
[  756.627059][T16327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdfe
[  756.627060][T16327] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc8933660
| [  758.358420][T16396] softirqs last disabled at (0): 0x0
| [  758.358422][T16396] Preemption disabled at:
| [  758.358422][T16396] vprintk_emit (kernel/printk/printk.c:2471)
| [  758.358433][T16396] Tainted: [W]=WARN
[  758.358434][T16396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  758.358436][T16396] Call Trace:
[  758.358437][T16396]  <TASK>
[  758.358439][T16396]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  758.358446][T16396]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  758.358448][T16396]  __might_resched.cold (kernel/sched/core.c:9234)
[  758.358453][T16396]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  758.358457][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358460][T16396]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  758.358463][T16396]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.358467][T16396]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  758.358472][T16396]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  758.358474][T16396]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  758.358477][T16396]  put_chars (drivers/char/virtio_console.c:1176)
[  758.358478][T16396]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  758.358480][T16396]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  758.358482][T16396]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  758.358485][T16396]  ? pointer (lib/vsprintf.c:2577)
[  758.358489][T16396]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  758.358496][T16396]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  758.358498][T16396]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.358500][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358502][T16396]  console_emit_next_record (kernel/printk/printk.c:3183)
[  758.358505][T16396]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  758.358508][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358509][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358510][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358511][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358513][T16396]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  758.358515][T16396]  console_flush_one_record (kernel/printk/printk.c:3268)
[  758.358518][T16396]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  758.358521][T16396]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  758.358523][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358525][T16396]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  758.358526][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358528][T16396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.358529][T16396]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  758.358531][T16396]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  758.358532][T16396]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  758.358534][T16396]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  758.358536][T16396]  vprintk_emit (kernel/printk/printk.c:2479)
[  758.358538][T16396]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  758.358539][T16396]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  758.358541][T16396]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  758.358545][T16396]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  758.358547][T16396]  _printk (kernel/printk/printk.c:2504)
[  758.358551][T16396]  ? snapshot_read.cold (user.c:?)
[  758.358553][T16396]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  758.358555][T16396]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  758.358559][T16396]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  758.358560][T16396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  758.358564][T16396]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  758.358566][T16396]  ? netdev_notice (net/core/dev.c:13194)
[  758.358569][T16396]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  758.358570][T16396]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  758.358573][T16396]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.358575][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358576][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358577][T16396]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  758.358578][T16396]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  758.358580][T16396]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  758.358581][T16396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  758.358583][T16396]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  758.358585][T16396]  ? register_netdev (net/core/dev.c:11618)
[  758.358586][T16396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.358588][T16396]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  758.358591][T16396]  ? __kernel_text_address (kernel/extable.c:79)
[  758.358594][T16396]  ? write_profile (profile.c:?)
[  758.358597][T16396]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  758.358601][T16396]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  758.358603][T16396]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  758.358605][T16396]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  758.358606][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358607][T16396]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  758.358611][T16396]  ? kasan_save_stack (mm/kasan/common.c:58)
[  758.358612][T16396]  ? kasan_save_stack (mm/kasan/common.c:57)
[  758.358613][T16396]  ? kasan_save_track (mm/kasan/common.c:78)
[  758.358615][T16396]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  758.358616][T16396]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  758.358618][T16396]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  758.358620][T16396]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  758.358622][T16396]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  758.358626][T16396]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  758.358628][T16396]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  758.358629][T16396]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  758.358632][T16396]  ? ____sys_sendmsg (net/socket.c:2713)
[  758.358634][T16396]  ? ___sys_sendmsg (net/socket.c:2767)
[  758.358635][T16396]  ? __sys_sendmsg (net/socket.c:2799)
[  758.358637][T16396]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  758.358640][T16396]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.358642][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358643][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358645][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358646][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358647][T16396]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  758.358649][T16396]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  758.358650][T16396]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  758.358651][T16396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  758.358653][T16396]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  758.358654][T16396]  ? nla_get_range_signed (lib/nlattr.c:270)
[  758.358658][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358659][T16396]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  758.358661][T16396]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  758.358663][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358664][T16396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  758.358666][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358667][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358669][T16396]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  758.358671][T16396]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  758.358673][T16396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  758.358674][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358675][T16396]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  758.358679][T16396]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  758.358685][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358687][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358689][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358690][T16396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  758.358692][T16396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  758.358694][T16396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  758.358695][T16396]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  758.358697][T16396]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  758.358699][T16396]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  758.358701][T16396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  758.358702][T16396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.358704][T16396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  758.358706][T16396]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  758.358711][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358713][T16396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.358716][T16396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  758.358718][T16396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  758.358720][T16396]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.358722][T16396]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  758.358724][T16396]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  758.358726][T16396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  758.358728][T16396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.358729][T16396]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  758.358733][T16396]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  758.358735][T16396]  ____sys_sendmsg (net/socket.c:2713)
[  758.358737][T16396]  ? copy_msghdr_from_user (net/socket.c:2650)
[  758.358738][T16396]  ? sock_write_iter (net/socket.c:1269)
[  758.358740][T16396]  ? move_addr_to_kernel (net/socket.c:258)
[  758.358742][T16396]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  758.358744][T16396]  ___sys_sendmsg (net/socket.c:2767)
[  758.358746][T16396]  ? copy_msghdr_from_user (net/socket.c:2619)
[  758.358751][T16396]  __sys_sendmsg (net/socket.c:2799)
[  758.358753][T16396]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  758.358756][T16396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.358758][T16396]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  758.358760][T16396]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  758.358762][T16396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.358765][T16396] RIP: 0033:0x7f508e6c454e
[  758.358767][T16396] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  758.358770][T16396] RSP: 002b:00007ffd741644d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  758.358774][T16396] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f508e6c454e
[  758.358776][T16396] RDX: 0000000000000000 RSI: 00007ffd74164580 RDI: 0000000000000005
[  758.358777][T16396] RBP: 00007ffd741644e0 R08: 0000000000000000 R09: 0000000000000000
[  758.358778][T16396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fdff
[  758.358779][T16396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd74164c40
| [  759.577372][T16453] softirqs last disabled at (0): 0x0
| [  759.577374][T16453] Preemption disabled at:
| [  759.577375][T16453] vprintk_emit (kernel/printk/printk.c:2471)
| [  759.577385][T16453] Tainted: [W]=WARN
[  759.577386][T16453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  759.577389][T16453] Call Trace:
[  759.577391][T16453]  <TASK>
[  759.577393][T16453]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  759.577399][T16453]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  759.577401][T16453]  __might_resched.cold (kernel/sched/core.c:9234)
[  759.577405][T16453]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  759.577407][T16453]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  759.577411][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577414][T16453]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  759.577417][T16453]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  759.577420][T16453]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.577426][T16453]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  759.577428][T16453]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  759.577430][T16453]  put_chars (drivers/char/virtio_console.c:1176)
[  759.577432][T16453]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  759.577434][T16453]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  759.577437][T16453]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  759.577441][T16453]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  759.577444][T16453]  ? vsnprintf (lib/vsprintf.c:2900)
[  759.577448][T16453]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  759.577451][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577452][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577454][T16453]  console_emit_next_record (kernel/printk/printk.c:3183)
[  759.577457][T16453]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  759.577459][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577460][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577461][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577462][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577465][T16453]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  759.577467][T16453]  console_flush_one_record (kernel/printk/printk.c:3268)
[  759.577469][T16453]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  759.577472][T16453]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  759.577474][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577476][T16453]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  759.577478][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577479][T16453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  759.577481][T16453]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  759.577482][T16453]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  759.577484][T16453]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  759.577486][T16453]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  759.577488][T16453]  vprintk_emit (kernel/printk/printk.c:2479)
[  759.577490][T16453]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  759.577491][T16453]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  759.577493][T16453]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  759.577496][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577497][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577499][T16453]  _printk (kernel/printk/printk.c:2504)
[  759.577502][T16453]  ? snapshot_read.cold (user.c:?)
[  759.577504][T16453]  ? br_multicast_flood (??:?)
[  759.577508][T16453]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  759.577511][T16453]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  759.577512][T16453]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  759.577515][T16453]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  759.577519][T16453]  br_init_port (net/bridge/br_stp_if.c:39)
[  759.577522][T16453]  new_nbp (net/bridge/br_if.c:449)
[  759.577524][T16453]  br_add_if (net/bridge/br_if.c:592)
[  759.577526][T16453]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  759.577530][T16453]  do_set_master (net/core/rtnetlink.c:3071)
[  759.577532][T16453]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  759.577534][T16453]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  759.577535][T16453]  ? __dev_get_by_name (net/core/dev.c:905)
[  759.577537][T16453]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  759.577541][T16453]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  759.577544][T16453]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  759.577546][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577548][T16453]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.577549][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577551][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577552][T16453]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  759.577555][T16453]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  759.577557][T16453]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  759.577559][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577561][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577562][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577563][T16453]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  759.577565][T16453]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  759.577568][T16453]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.577570][T16453]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  759.577573][T16453]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  759.577577][T16453]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  759.577580][T16453]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  759.577582][T16453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  759.577583][T16453]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  759.577585][T16453]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  759.577588][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577589][T16453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  759.577591][T16453]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  759.577594][T16453]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  759.577596][T16453]  ? next_uptodate_folio (mm/filemap.c:3747)
[  759.577599][T16453]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  759.577601][T16453]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  759.577604][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577605][T16453]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  759.577609][T16453]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  759.577612][T16453]  ____sys_sendmsg (net/socket.c:2713)
[  759.577614][T16453]  ? copy_msghdr_from_user (net/socket.c:2650)
[  759.577615][T16453]  ? sock_write_iter (net/socket.c:1269)
[  759.577617][T16453]  ? move_addr_to_kernel (net/socket.c:258)
[  759.577619][T16453]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  759.577622][T16453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  759.577624][T16453]  ___sys_sendmsg (net/socket.c:2767)
[  759.577625][T16453]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  759.577627][T16453]  ? copy_msghdr_from_user (net/socket.c:2619)
[  759.577629][T16453]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  759.577634][T16453]  __sys_sendmsg (net/socket.c:2799)
[  759.577636][T16453]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  759.577639][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577640][T16453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  759.577641][T16453]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  759.577644][T16453]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  759.577646][T16453]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  759.577648][T16453] RIP: 0033:0x7f8a2d8d854e
[  759.577651][T16453] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  759.577653][T16453] RSP: 002b:00007ffc8b2ee930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  759.577657][T16453] RAX: ffffffffffffffda RBX: 00007ffc8b2ef0f8 RCX: 00007f8a2d8d854e
[  759.577658][T16453] RDX: 0000000000000000 RSI: 00007ffc8b2ee9e0 RDI: 0000000000000005
[  759.577659][T16453] RBP: 00007ffc8b2ee940 R08: 0000000000000000 R09: 0000000000000000
[  759.577661][T16453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe00
[  759.577661][T16453] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8b2ef0b0
| [  766.171330][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  766.171332][   T68] Preemption disabled at:
| [  766.171333][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  766.171344][   T68] Tainted: [W]=WARN
[  766.171345][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  766.171347][   T68] Workqueue: netns cleanup_net
[  766.171353][   T68] Call Trace:
[  766.171354][   T68]  <TASK>
[  766.171356][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  766.171362][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  766.171363][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  766.171367][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  766.171369][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  766.171373][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171375][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  766.171378][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.171382][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.171386][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  766.171388][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.171391][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  766.171393][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  766.171394][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  766.171397][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  766.171402][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  766.171404][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  766.171407][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.171408][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171410][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171412][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  766.171415][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  766.171417][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171418][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171419][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171420][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.171423][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  766.171425][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  766.171427][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  766.171430][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  766.171432][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.171434][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  766.171436][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171437][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  766.171438][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  766.171440][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  766.171441][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  766.171444][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  766.171445][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  766.171447][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  766.171448][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  766.171450][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  766.171453][   T68]  ? kthread (kernel/kthread.c:436)
[  766.171455][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  766.171458][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  766.171461][   T68]  _printk (kernel/printk/printk.c:2504)
[  766.171464][   T68]  ? snapshot_read.cold (user.c:?)
[  766.171466][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  766.171469][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  766.171472][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  766.171474][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  766.171476][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171477][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  766.171479][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  766.171482][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  766.171483][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  766.171485][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  766.171487][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  766.171490][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  766.171494][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  766.171496][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  766.171499][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  766.171501][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  766.171503][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  766.171506][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  766.171508][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  766.171511][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.171512][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.171514][   T68]  process_one_work (kernel/workqueue.c:3387)
[  766.171517][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  766.171520][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.171523][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  766.171525][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  766.171527][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  766.171529][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  766.171531][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  766.171533][   T68]  kthread (kernel/kthread.c:436)
[  766.171535][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  766.171537][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  766.171539][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  766.171541][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  766.171543][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  766.171546][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  766.171548][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  767.444353][T16606] softirqs last disabled at (0): 0x0
| [  767.444355][T16606] Preemption disabled at:
| [  767.444356][T16606] vprintk_emit (kernel/printk/printk.c:2471)
| [  767.444366][T16606] Tainted: [W]=WARN
[  767.444367][T16606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  767.444369][T16606] Call Trace:
[  767.444370][T16606]  <TASK>
[  767.444371][T16606]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  767.444377][T16606]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  767.444379][T16606]  __might_resched.cold (kernel/sched/core.c:9234)
[  767.444382][T16606]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  767.444385][T16606]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  767.444388][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444391][T16606]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  767.444394][T16606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.444398][T16606]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.444403][T16606]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  767.444405][T16606]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.444407][T16606]  put_chars (drivers/char/virtio_console.c:1176)
[  767.444409][T16606]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  767.444411][T16606]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  767.444414][T16606]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  767.444418][T16606]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  767.444420][T16606]  ? vsnprintf (lib/vsprintf.c:2900)
[  767.444424][T16606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.444425][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444426][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444428][T16606]  console_emit_next_record (kernel/printk/printk.c:3183)
[  767.444431][T16606]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  767.444433][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444434][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444435][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444437][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444439][T16606]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  767.444441][T16606]  console_flush_one_record (kernel/printk/printk.c:3268)
[  767.444443][T16606]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  767.444446][T16606]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  767.444448][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444450][T16606]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  767.444452][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444453][T16606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.444454][T16606]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  767.444456][T16606]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  767.444458][T16606]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  767.444460][T16606]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  767.444461][T16606]  vprintk_emit (kernel/printk/printk.c:2479)
[  767.444463][T16606]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  767.444464][T16606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.444466][T16606]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.444469][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444471][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444473][T16606]  _printk (kernel/printk/printk.c:2504)
[  767.444476][T16606]  ? snapshot_read.cold (user.c:?)
[  767.444478][T16606]  ? br_multicast_flood (??:?)
[  767.444482][T16606]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.444484][T16606]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.444486][T16606]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.444488][T16606]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  767.444490][T16606]  br_init_port (net/bridge/br_stp_if.c:39)
[  767.444492][T16606]  new_nbp (net/bridge/br_if.c:449)
[  767.444494][T16606]  br_add_if (net/bridge/br_if.c:592)
[  767.444496][T16606]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  767.444501][T16606]  do_set_master (net/core/rtnetlink.c:3071)
[  767.444503][T16606]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.444504][T16606]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  767.444506][T16606]  ? __dev_get_by_name (net/core/dev.c:905)
[  767.444508][T16606]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  767.444512][T16606]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.444514][T16606]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.444517][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444518][T16606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.444519][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444521][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444522][T16606]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  767.444525][T16606]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  767.444527][T16606]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  767.444529][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444530][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444532][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444533][T16606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.444535][T16606]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  767.444536][T16606]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.444538][T16606]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.444539][T16606]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  767.444543][T16606]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  767.444546][T16606]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.444548][T16606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.444550][T16606]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  767.444551][T16606]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  767.444554][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444556][T16606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.444558][T16606]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  767.444560][T16606]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  767.444562][T16606]  ? next_uptodate_folio (mm/filemap.c:3747)
[  767.444565][T16606]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  767.444567][T16606]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  767.444569][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444571][T16606]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  767.444575][T16606]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  767.444578][T16606]  ____sys_sendmsg (net/socket.c:2713)
[  767.444580][T16606]  ? copy_msghdr_from_user (net/socket.c:2650)
[  767.444582][T16606]  ? sock_write_iter (net/socket.c:1269)
[  767.444583][T16606]  ? move_addr_to_kernel (net/socket.c:258)
[  767.444585][T16606]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  767.444588][T16606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.444590][T16606]  ___sys_sendmsg (net/socket.c:2767)
[  767.444592][T16606]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  767.444593][T16606]  ? copy_msghdr_from_user (net/socket.c:2619)
[  767.444595][T16606]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  767.444600][T16606]  __sys_sendmsg (net/socket.c:2799)
[  767.444602][T16606]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  767.444605][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444606][T16606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.444608][T16606]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  767.444610][T16606]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  767.444612][T16606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  767.444614][T16606] RIP: 0033:0x7fd83f08354e
[  767.444616][T16606] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  767.444618][T16606] RSP: 002b:00007fff9410e910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  767.444622][T16606] RAX: ffffffffffffffda RBX: 00007fff9410f0d8 RCX: 00007fd83f08354e
[  767.444623][T16606] RDX: 0000000000000000 RSI: 00007fff9410e9c0 RDI: 0000000000000005
[  767.444624][T16606] RBP: 00007fff9410e920 R08: 0000000000000000 R09: 0000000000000000
[  767.444625][T16606] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe08
[  767.444626][T16606] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9410f090
| [  768.875269][T16675] softirqs last disabled at (0): 0x0
| [  768.875271][T16675] Preemption disabled at:
| [  768.875272][T16675] vprintk_emit (kernel/printk/printk.c:2471)
| [  768.875282][T16675] Tainted: [W]=WARN
[  768.875283][T16675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  768.875285][T16675] Call Trace:
[  768.875287][T16675]  <TASK>
[  768.875288][T16675]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  768.875294][T16675]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  768.875304][T16675]  __might_resched.cold (kernel/sched/core.c:9234)
[  768.875307][T16675]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  768.875311][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875313][T16675]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  768.875316][T16675]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.875319][T16675]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.875324][T16675]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  768.875326][T16675]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.875329][T16675]  put_chars (drivers/char/virtio_console.c:1176)
[  768.875331][T16675]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  768.875332][T16675]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  768.875334][T16675]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  768.875337][T16675]  ? pointer (lib/vsprintf.c:2577)
[  768.875340][T16675]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  768.875345][T16675]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  768.875347][T16675]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.875349][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875352][T16675]  console_emit_next_record (kernel/printk/printk.c:3183)
[  768.875355][T16675]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  768.875357][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875358][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875359][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875360][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875362][T16675]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  768.875364][T16675]  console_flush_one_record (kernel/printk/printk.c:3268)
[  768.875366][T16675]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  768.875369][T16675]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  768.875371][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875373][T16675]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  768.875375][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875376][T16675]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.875377][T16675]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  768.875379][T16675]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  768.875380][T16675]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  768.875383][T16675]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  768.875384][T16675]  vprintk_emit (kernel/printk/printk.c:2479)
[  768.875386][T16675]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  768.875387][T16675]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  768.875390][T16675]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  768.875393][T16675]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  768.875395][T16675]  _printk (kernel/printk/printk.c:2504)
[  768.875398][T16675]  ? snapshot_read.cold (user.c:?)
[  768.875400][T16675]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  768.875403][T16675]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  768.875406][T16675]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  768.875408][T16675]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.875411][T16675]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  768.875413][T16675]  ? netdev_notice (net/core/dev.c:13194)
[  768.875416][T16675]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  768.875417][T16675]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  768.875420][T16675]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.875422][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875423][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875424][T16675]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  768.875425][T16675]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  768.875427][T16675]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  768.875428][T16675]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.875430][T16675]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  768.875432][T16675]  ? register_netdev (net/core/dev.c:11618)
[  768.875433][T16675]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.875435][T16675]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  768.875438][T16675]  ? __kernel_text_address (kernel/extable.c:79)
[  768.875440][T16675]  ? write_profile (profile.c:?)
[  768.875444][T16675]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  768.875447][T16675]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.875449][T16675]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  768.875451][T16675]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  768.875452][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875453][T16675]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.875457][T16675]  ? kasan_save_stack (mm/kasan/common.c:58)
[  768.875459][T16675]  ? kasan_save_stack (mm/kasan/common.c:57)
[  768.875460][T16675]  ? kasan_save_track (mm/kasan/common.c:78)
[  768.875461][T16675]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  768.875462][T16675]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  768.875464][T16675]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  768.875465][T16675]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.875466][T16675]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.875469][T16675]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.875471][T16675]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.875472][T16675]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.875475][T16675]  ? ____sys_sendmsg (net/socket.c:2713)
[  768.875476][T16675]  ? ___sys_sendmsg (net/socket.c:2767)
[  768.875478][T16675]  ? __sys_sendmsg (net/socket.c:2799)
[  768.875480][T16675]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.875482][T16675]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.875485][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875486][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875487][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875488][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875490][T16675]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  768.875491][T16675]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  768.875492][T16675]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  768.875494][T16675]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  768.875495][T16675]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  768.875496][T16675]  ? nla_get_range_signed (lib/nlattr.c:270)
[  768.875500][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875501][T16675]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  768.875503][T16675]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  768.875505][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875507][T16675]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.875508][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875510][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875511][T16675]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  768.875513][T16675]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  768.875515][T16675]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  768.875516][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875518][T16675]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  768.875521][T16675]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  768.875523][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875524][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875526][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875527][T16675]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.875528][T16675]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.875530][T16675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.875531][T16675]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.875533][T16675]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.875535][T16675]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.875537][T16675]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.875539][T16675]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.875540][T16675]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  768.875542][T16675]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  768.875545][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875546][T16675]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.875548][T16675]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.875550][T16675]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  768.875553][T16675]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.875555][T16675]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.875557][T16675]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  768.875558][T16675]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  768.875560][T16675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.875562][T16675]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  768.875565][T16675]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.875567][T16675]  ____sys_sendmsg (net/socket.c:2713)
[  768.875569][T16675]  ? copy_msghdr_from_user (net/socket.c:2650)
[  768.875570][T16675]  ? sock_write_iter (net/socket.c:1269)
[  768.875572][T16675]  ? move_addr_to_kernel (net/socket.c:258)
[  768.875574][T16675]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.875576][T16675]  ___sys_sendmsg (net/socket.c:2767)
[  768.875578][T16675]  ? copy_msghdr_from_user (net/socket.c:2619)
[  768.875583][T16675]  __sys_sendmsg (net/socket.c:2799)
[  768.875585][T16675]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  768.875588][T16675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.875590][T16675]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.875592][T16675]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  768.875594][T16675]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.875595][T16675] RIP: 0033:0x7fda0cfc454e
[  768.875597][T16675] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  768.875599][T16675] RSP: 002b:00007ffd6dc0df30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  768.875603][T16675] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fda0cfc454e
[  768.875605][T16675] RDX: 0000000000000000 RSI: 00007ffd6dc0dfe0 RDI: 0000000000000005
[  768.875606][T16675] RBP: 00007ffd6dc0df40 R08: 0000000000000000 R09: 0000000000000000
[  768.875606][T16675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe0a
[  768.875608][T16675] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6dc0e6a0
| [  770.053350][T16731] softirqs last disabled at (0): 0x0
| [  770.053352][T16731] Preemption disabled at:
| [  770.053352][T16731] vprintk_emit (kernel/printk/printk.c:2471)
| [  770.053363][T16731] Tainted: [W]=WARN
[  770.053365][T16731] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  770.053366][T16731] Call Trace:
[  770.053368][T16731]  <TASK>
[  770.053369][T16731]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  770.053375][T16731]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  770.053376][T16731]  __might_resched.cold (kernel/sched/core.c:9234)
[  770.053380][T16731]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  770.053382][T16731]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  770.053385][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053388][T16731]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  770.053391][T16731]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.053394][T16731]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  770.053400][T16731]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  770.053401][T16731]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  770.053404][T16731]  put_chars (drivers/char/virtio_console.c:1176)
[  770.053406][T16731]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  770.053408][T16731]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  770.053411][T16731]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  770.053416][T16731]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  770.053418][T16731]  ? vsnprintf (lib/vsprintf.c:2900)
[  770.053421][T16731]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.053423][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053424][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053426][T16731]  console_emit_next_record (kernel/printk/printk.c:3183)
[  770.053428][T16731]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  770.053431][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053432][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053433][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053434][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053437][T16731]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  770.053439][T16731]  console_flush_one_record (kernel/printk/printk.c:3268)
[  770.053441][T16731]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  770.053444][T16731]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  770.053446][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053448][T16731]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  770.053449][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053451][T16731]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.053452][T16731]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  770.053454][T16731]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  770.053455][T16731]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  770.053458][T16731]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  770.053459][T16731]  vprintk_emit (kernel/printk/printk.c:2479)
[  770.053461][T16731]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  770.053462][T16731]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.053464][T16731]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  770.053467][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053469][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053471][T16731]  _printk (kernel/printk/printk.c:2504)
[  770.053474][T16731]  ? snapshot_read.cold (user.c:?)
[  770.053476][T16731]  ? br_multicast_flood (??:?)
[  770.053480][T16731]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  770.053482][T16731]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  770.053484][T16731]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  770.053485][T16731]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  770.053488][T16731]  br_init_port (net/bridge/br_stp_if.c:39)
[  770.053490][T16731]  new_nbp (net/bridge/br_if.c:449)
[  770.053492][T16731]  br_add_if (net/bridge/br_if.c:592)
[  770.053494][T16731]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  770.053499][T16731]  do_set_master (net/core/rtnetlink.c:3071)
[  770.053501][T16731]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  770.053502][T16731]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  770.053504][T16731]  ? __dev_get_by_name (net/core/dev.c:905)
[  770.053506][T16731]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  770.053510][T16731]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  770.053512][T16731]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  770.053514][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053516][T16731]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  770.053517][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053519][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053520][T16731]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  770.053523][T16731]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  770.053525][T16731]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  770.053527][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053529][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053530][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053532][T16731]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  770.053533][T16731]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  770.053535][T16731]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  770.053536][T16731]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  770.053538][T16731]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  770.053542][T16731]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  770.053545][T16731]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  770.053547][T16731]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.053548][T16731]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  770.053550][T16731]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  770.053553][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053555][T16731]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.053557][T16731]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  770.053559][T16731]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  770.053561][T16731]  ? next_uptodate_folio (mm/filemap.c:3747)
[  770.053564][T16731]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  770.053567][T16731]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  770.053569][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053570][T16731]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  770.053574][T16731]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  770.053577][T16731]  ____sys_sendmsg (net/socket.c:2713)
[  770.053579][T16731]  ? copy_msghdr_from_user (net/socket.c:2650)
[  770.053581][T16731]  ? sock_write_iter (net/socket.c:1269)
[  770.053582][T16731]  ? move_addr_to_kernel (net/socket.c:258)
[  770.053585][T16731]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  770.053587][T16731]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.053589][T16731]  ___sys_sendmsg (net/socket.c:2767)
[  770.053591][T16731]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  770.053593][T16731]  ? copy_msghdr_from_user (net/socket.c:2619)
[  770.053595][T16731]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  770.053599][T16731]  __sys_sendmsg (net/socket.c:2799)
[  770.053601][T16731]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  770.053604][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053606][T16731]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.053607][T16731]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  770.053610][T16731]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  770.053612][T16731]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  770.053614][T16731] RIP: 0033:0x7f22edd3654e
[  770.053617][T16731] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  770.053618][T16731] RSP: 002b:00007ffec042a030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  770.053622][T16731] RAX: ffffffffffffffda RBX: 00007ffec042a7f8 RCX: 00007f22edd3654e
[  770.053624][T16731] RDX: 0000000000000000 RSI: 00007ffec042a0e0 RDI: 0000000000000005
[  770.053625][T16731] RBP: 00007ffec042a040 R08: 0000000000000000 R09: 0000000000000000
[  770.053626][T16731] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe0b
[  770.053627][T16731] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec042a7b0
| [  776.573532][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  776.573534][   T68] Preemption disabled at:
| [  776.573535][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  776.573546][   T68] Tainted: [W]=WARN
[  776.573547][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  776.573549][   T68] Workqueue: netns cleanup_net
[  776.573554][   T68] Call Trace:
[  776.573556][   T68]  <TASK>
[  776.573558][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  776.573564][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  776.573565][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  776.573569][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  776.573571][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  776.573575][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573578][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  776.573581][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.573585][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.573589][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  776.573591][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.573594][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  776.573596][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  776.573598][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  776.573600][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  776.573605][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  776.573607][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  776.573610][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.573612][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573613][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573615][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  776.573618][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  776.573620][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573621][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573622][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573623][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.573626][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  776.573628][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  776.573630][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  776.573633][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  776.573635][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.573637][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  776.573639][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573640][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.573642][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  776.573643][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  776.573645][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  776.573647][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  776.573648][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  776.573650][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  776.573652][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  776.573653][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  776.573656][   T68]  ? kthread (kernel/kthread.c:436)
[  776.573659][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  776.573662][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  776.573665][   T68]  _printk (kernel/printk/printk.c:2504)
[  776.573668][   T68]  ? snapshot_read.cold (user.c:?)
[  776.573670][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  776.573673][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  776.573676][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  776.573678][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  776.573685][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573687][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  776.573688][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  776.573692][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  776.573693][   T68]  ? 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)
[  776.573695][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  776.573698][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  776.573700][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  776.573704][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  776.573706][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  776.573709][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  776.573711][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  776.573713][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  776.573716][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  776.573718][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  776.573721][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.573722][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.573724][   T68]  process_one_work (kernel/workqueue.c:3387)
[  776.573727][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  776.573730][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.573733][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  776.573735][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  776.573737][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  776.573739][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  776.573741][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  776.573743][   T68]  kthread (kernel/kthread.c:436)
[  776.573745][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  776.573747][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  776.573749][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  776.573751][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  776.573753][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  776.573756][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  776.573758][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  777.842923][T16883] softirqs last disabled at (0): 0x0
| [  777.842925][T16883] Preemption disabled at:
| [  777.842926][T16883] vprintk_emit (kernel/printk/printk.c:2471)
| [  777.842936][T16883] Tainted: [W]=WARN
[  777.842937][T16883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  777.842939][T16883] Call Trace:
[  777.842941][T16883]  <TASK>
[  777.842942][T16883]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  777.842947][T16883]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  777.842949][T16883]  __might_resched.cold (kernel/sched/core.c:9234)
[  777.842953][T16883]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  777.842955][T16883]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  777.842958][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.842961][T16883]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  777.842964][T16883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.842967][T16883]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  777.842973][T16883]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  777.842974][T16883]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  777.842977][T16883]  put_chars (drivers/char/virtio_console.c:1176)
[  777.842979][T16883]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  777.842981][T16883]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  777.842984][T16883]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  777.842989][T16883]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  777.842990][T16883]  ? vsnprintf (lib/vsprintf.c:2900)
[  777.842994][T16883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.842996][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.842997][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.842999][T16883]  console_emit_next_record (kernel/printk/printk.c:3183)
[  777.843001][T16883]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  777.843004][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843005][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843006][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843007][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843009][T16883]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  777.843011][T16883]  console_flush_one_record (kernel/printk/printk.c:3268)
[  777.843014][T16883]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  777.843017][T16883]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  777.843019][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843020][T16883]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  777.843022][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843023][T16883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.843025][T16883]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  777.843026][T16883]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  777.843028][T16883]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  777.843030][T16883]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  777.843032][T16883]  vprintk_emit (kernel/printk/printk.c:2479)
[  777.843033][T16883]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  777.843035][T16883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.843036][T16883]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  777.843039][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843041][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843042][T16883]  _printk (kernel/printk/printk.c:2504)
[  777.843046][T16883]  ? snapshot_read.cold (user.c:?)
[  777.843048][T16883]  ? br_multicast_flood (??:?)
[  777.843051][T16883]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  777.843054][T16883]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  777.843055][T16883]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  777.843057][T16883]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  777.843060][T16883]  br_init_port (net/bridge/br_stp_if.c:39)
[  777.843062][T16883]  new_nbp (net/bridge/br_if.c:449)
[  777.843064][T16883]  br_add_if (net/bridge/br_if.c:592)
[  777.843066][T16883]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  777.843071][T16883]  do_set_master (net/core/rtnetlink.c:3071)
[  777.843073][T16883]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  777.843074][T16883]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  777.843076][T16883]  ? __dev_get_by_name (net/core/dev.c:905)
[  777.843078][T16883]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  777.843082][T16883]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  777.843084][T16883]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  777.843087][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843088][T16883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  777.843089][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843091][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843092][T16883]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  777.843095][T16883]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  777.843097][T16883]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  777.843100][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843101][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843102][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843104][T16883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  777.843105][T16883]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  777.843107][T16883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  777.843108][T16883]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  777.843110][T16883]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  777.843114][T16883]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  777.843117][T16883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  777.843118][T16883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.843120][T16883]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  777.843122][T16883]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  777.843125][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843126][T16883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.843128][T16883]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  777.843130][T16883]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  777.843132][T16883]  ? next_uptodate_folio (mm/filemap.c:3747)
[  777.843136][T16883]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  777.843138][T16883]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  777.843140][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843142][T16883]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  777.843145][T16883]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  777.843148][T16883]  ____sys_sendmsg (net/socket.c:2713)
[  777.843150][T16883]  ? copy_msghdr_from_user (net/socket.c:2650)
[  777.843152][T16883]  ? sock_write_iter (net/socket.c:1269)
[  777.843153][T16883]  ? move_addr_to_kernel (net/socket.c:258)
[  777.843156][T16883]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  777.843158][T16883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.843160][T16883]  ___sys_sendmsg (net/socket.c:2767)
[  777.843162][T16883]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  777.843164][T16883]  ? copy_msghdr_from_user (net/socket.c:2619)
[  777.843165][T16883]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  777.843170][T16883]  __sys_sendmsg (net/socket.c:2799)
[  777.843173][T16883]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  777.843175][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843177][T16883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.843178][T16883]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  777.843181][T16883]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  777.843183][T16883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  777.843185][T16883] RIP: 0033:0x7f867c7cc54e
[  777.843187][T16883] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  777.843189][T16883] RSP: 002b:00007fffd4850460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  777.843193][T16883] RAX: ffffffffffffffda RBX: 00007fffd4850c28 RCX: 00007f867c7cc54e
[  777.843194][T16883] RDX: 0000000000000000 RSI: 00007fffd4850510 RDI: 0000000000000005
[  777.843195][T16883] RBP: 00007fffd4850470 R08: 0000000000000000 R09: 0000000000000000
[  777.843196][T16883] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe13
[  777.843197][T16883] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd4850be0
| [  779.331811][T16953] softirqs last disabled at (0): 0x0
| [  779.331813][T16953] Preemption disabled at:
| [  779.331813][T16953] vprintk_emit (kernel/printk/printk.c:2471)
| [  779.331824][T16953] Tainted: [W]=WARN
[  779.331825][T16953] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  779.331827][T16953] Call Trace:
[  779.331828][T16953]  <TASK>
[  779.331829][T16953]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  779.331835][T16953]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  779.331836][T16953]  __might_resched.cold (kernel/sched/core.c:9234)
[  779.331841][T16953]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  779.331844][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331847][T16953]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  779.331850][T16953]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.331854][T16953]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.331859][T16953]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  779.331861][T16953]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.331863][T16953]  put_chars (drivers/char/virtio_console.c:1176)
[  779.331865][T16953]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  779.331866][T16953]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  779.331869][T16953]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  779.331871][T16953]  ? pointer (lib/vsprintf.c:2577)
[  779.331875][T16953]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  779.331879][T16953]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  779.331881][T16953]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.331883][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.331886][T16953]  console_emit_next_record (kernel/printk/printk.c:3183)
[  779.331889][T16953]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  779.331891][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331892][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331893][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331894][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.331897][T16953]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  779.331898][T16953]  console_flush_one_record (kernel/printk/printk.c:3268)
[  779.331901][T16953]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  779.331904][T16953]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  779.331906][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.331908][T16953]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  779.331909][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331911][T16953]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.331912][T16953]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  779.331914][T16953]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  779.331915][T16953]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  779.331918][T16953]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  779.331920][T16953]  vprintk_emit (kernel/printk/printk.c:2479)
[  779.331923][T16953]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  779.331925][T16953]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  779.331929][T16953]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  779.331933][T16953]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  779.331935][T16953]  _printk (kernel/printk/printk.c:2504)
[  779.331938][T16953]  ? snapshot_read.cold (user.c:?)
[  779.331940][T16953]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  779.331943][T16953]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  779.331946][T16953]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  779.331948][T16953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.331951][T16953]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  779.331954][T16953]  ? netdev_notice (net/core/dev.c:13194)
[  779.331956][T16953]  ? 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)
[  779.331958][T16953]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  779.331960][T16953]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.331962][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331963][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331964][T16953]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  779.331966][T16953]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  779.331968][T16953]  ? 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)
[  779.331970][T16953]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.331972][T16953]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  779.331975][T16953]  ? register_netdev (net/core/dev.c:11618)
[  779.331977][T16953]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.331979][T16953]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  779.331982][T16953]  ? __kernel_text_address (kernel/extable.c:79)
[  779.331985][T16953]  ? write_profile (profile.c:?)
[  779.331988][T16953]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  779.331992][T16953]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.331994][T16953]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  779.331996][T16953]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  779.331997][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.331998][T16953]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  779.332002][T16953]  ? kasan_save_stack (mm/kasan/common.c:58)
[  779.332004][T16953]  ? kasan_save_stack (mm/kasan/common.c:57)
[  779.332005][T16953]  ? kasan_save_track (mm/kasan/common.c:78)
[  779.332006][T16953]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  779.332007][T16953]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  779.332009][T16953]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  779.332010][T16953]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.332011][T16953]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.332014][T16953]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.332017][T16953]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.332019][T16953]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.332023][T16953]  ? ____sys_sendmsg (net/socket.c:2713)
[  779.332025][T16953]  ? ___sys_sendmsg (net/socket.c:2767)
[  779.332026][T16953]  ? __sys_sendmsg (net/socket.c:2799)
[  779.332028][T16953]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.332030][T16953]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.332033][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332034][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.332036][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332037][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332038][T16953]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  779.332040][T16953]  ? __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)
[  779.332041][T16953]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  779.332042][T16953]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  779.332044][T16953]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  779.332045][T16953]  ? nla_get_range_signed (lib/nlattr.c:270)
[  779.332049][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332050][T16953]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  779.332052][T16953]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  779.332054][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332055][T16953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.332057][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.332058][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332060][T16953]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  779.332062][T16953]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  779.332065][T16953]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  779.332067][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332069][T16953]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  779.332073][T16953]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  779.332076][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332077][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.332078][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332080][T16953]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.332081][T16953]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.332083][T16953]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.332085][T16953]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  779.332086][T16953]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  779.332089][T16953]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.332091][T16953]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.332093][T16953]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.332095][T16953]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  779.332097][T16953]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  779.332101][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332102][T16953]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.332104][T16953]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.332107][T16953]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  779.332110][T16953]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.332114][T16953]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.332117][T16953]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  779.332120][T16953]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  779.332122][T16953]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.332124][T16953]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  779.332127][T16953]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.332129][T16953]  ____sys_sendmsg (net/socket.c:2713)
[  779.332131][T16953]  ? copy_msghdr_from_user (net/socket.c:2650)
[  779.332133][T16953]  ? sock_write_iter (net/socket.c:1269)
[  779.332135][T16953]  ? move_addr_to_kernel (net/socket.c:258)
[  779.332136][T16953]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  779.332139][T16953]  ___sys_sendmsg (net/socket.c:2767)
[  779.332141][T16953]  ? copy_msghdr_from_user (net/socket.c:2619)
[  779.332146][T16953]  __sys_sendmsg (net/socket.c:2799)
[  779.332148][T16953]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  779.332151][T16953]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.332153][T16953]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.332155][T16953]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  779.332157][T16953]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.332158][T16953] RIP: 0033:0x7ffb76ac754e
[  779.332160][T16953] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  779.332162][T16953] RSP: 002b:00007ffffa1e43e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  779.332166][T16953] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ffb76ac754e
[  779.332167][T16953] RDX: 0000000000000000 RSI: 00007ffffa1e4490 RDI: 0000000000000005
[  779.332169][T16953] RBP: 00007ffffa1e43f0 R08: 0000000000000000 R09: 0000000000000000
[  779.332170][T16953] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe14
[  779.332171][T16953] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffa1e4b50
| [  780.577490][T17010] softirqs last disabled at (0): 0x0
| [  780.577492][T17010] Preemption disabled at:
| [  780.577493][T17010] vprintk_emit (kernel/printk/printk.c:2471)
| [  780.577504][T17010] Tainted: [W]=WARN
[  780.577505][T17010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  780.577506][T17010] Call Trace:
[  780.577508][T17010]  <TASK>
[  780.577509][T17010]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  780.577515][T17010]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  780.577517][T17010]  __might_resched.cold (kernel/sched/core.c:9234)
[  780.577521][T17010]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  780.577523][T17010]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  780.577527][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577530][T17010]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  780.577533][T17010]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.577536][T17010]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.577541][T17010]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  780.577543][T17010]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.577546][T17010]  put_chars (drivers/char/virtio_console.c:1176)
[  780.577548][T17010]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  780.577549][T17010]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  780.577552][T17010]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  780.577557][T17010]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  780.577559][T17010]  ? vsnprintf (lib/vsprintf.c:2900)
[  780.577562][T17010]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.577564][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577565][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577567][T17010]  console_emit_next_record (kernel/printk/printk.c:3183)
[  780.577570][T17010]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  780.577572][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577573][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577574][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577575][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577578][T17010]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  780.577580][T17010]  console_flush_one_record (kernel/printk/printk.c:3268)
[  780.577582][T17010]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  780.577585][T17010]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  780.577587][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577589][T17010]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  780.577591][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577592][T17010]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.577593][T17010]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  780.577595][T17010]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  780.577597][T17010]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  780.577599][T17010]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  780.577600][T17010]  vprintk_emit (kernel/printk/printk.c:2479)
[  780.577602][T17010]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  780.577603][T17010]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.577605][T17010]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.577608][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577610][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577612][T17010]  _printk (kernel/printk/printk.c:2504)
[  780.577615][T17010]  ? snapshot_read.cold (user.c:?)
[  780.577617][T17010]  ? br_multicast_flood (??:?)
[  780.577621][T17010]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  780.577623][T17010]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  780.577625][T17010]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  780.577627][T17010]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  780.577630][T17010]  br_init_port (net/bridge/br_stp_if.c:39)
[  780.577632][T17010]  new_nbp (net/bridge/br_if.c:449)
[  780.577634][T17010]  br_add_if (net/bridge/br_if.c:592)
[  780.577636][T17010]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  780.577640][T17010]  do_set_master (net/core/rtnetlink.c:3071)
[  780.577642][T17010]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  780.577644][T17010]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  780.577645][T17010]  ? __dev_get_by_name (net/core/dev.c:905)
[  780.577647][T17010]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  780.577651][T17010]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  780.577654][T17010]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  780.577656][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577658][T17010]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.577659][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577660][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577662][T17010]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  780.577665][T17010]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  780.577667][T17010]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  780.577669][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577670][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577672][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577673][T17010]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.577675][T17010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  780.577677][T17010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.577678][T17010]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.577680][T17010]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  780.577687][T17010]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  780.577690][T17010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.577692][T17010]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.577694][T17010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  780.577695][T17010]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  780.577698][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577700][T17010]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.577702][T17010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  780.577704][T17010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  780.577706][T17010]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  780.577709][T17010]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  780.577712][T17010]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  780.577714][T17010]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  780.577716][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577718][T17010]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  780.577722][T17010]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  780.577725][T17010]  ____sys_sendmsg (net/socket.c:2713)
[  780.577727][T17010]  ? copy_msghdr_from_user (net/socket.c:2650)
[  780.577729][T17010]  ? sock_write_iter (net/socket.c:1269)
[  780.577730][T17010]  ? move_addr_to_kernel (net/socket.c:258)
[  780.577732][T17010]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  780.577735][T17010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.577737][T17010]  ___sys_sendmsg (net/socket.c:2767)
[  780.577739][T17010]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  780.577740][T17010]  ? copy_msghdr_from_user (net/socket.c:2619)
[  780.577742][T17010]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  780.577747][T17010]  __sys_sendmsg (net/socket.c:2799)
[  780.577749][T17010]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  780.577752][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577753][T17010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.577755][T17010]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  780.577757][T17010]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  780.577759][T17010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.577761][T17010] RIP: 0033:0x7fc647d0f54e
[  780.577763][T17010] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  780.577766][T17010] RSP: 002b:00007ffc2e80f260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  780.577769][T17010] RAX: ffffffffffffffda RBX: 00007ffc2e80fa28 RCX: 00007fc647d0f54e
[  780.577771][T17010] RDX: 0000000000000000 RSI: 00007ffc2e80f310 RDI: 0000000000000005
[  780.577772][T17010] RBP: 00007ffc2e80f270 R08: 0000000000000000 R09: 0000000000000000
[  780.577773][T17010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe15
[  780.577774][T17010] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2e80f9e0
| [  816.103333][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  816.103336][   T68] Preemption disabled at:
| [  816.103338][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  816.103352][   T68] Tainted: [W]=WARN
[  816.103354][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  816.103356][   T68] Workqueue: netns cleanup_net
[  816.103364][   T68] Call Trace:
[  816.103366][   T68]  <TASK>
[  816.103368][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  816.103375][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  816.103377][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  816.103382][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  816.103385][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  816.103389][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103393][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  816.103397][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  816.103401][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  816.103407][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  816.103410][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  816.103414][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  816.103417][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  816.103420][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  816.103424][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  816.103430][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  816.103433][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  816.103437][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  816.103439][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103441][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103445][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  816.103449][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  816.103452][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103454][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103456][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103458][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.103462][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  816.103465][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  816.103469][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  816.103474][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  816.103476][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.103479][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  816.103482][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103484][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  816.103486][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  816.103489][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  816.103492][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  816.103495][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  816.103497][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  816.103501][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  816.103503][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  816.103505][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  816.103509][   T68]  ? kthread (kernel/kthread.c:436)
[  816.103512][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  816.103516][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  816.103520][   T68]  _printk (kernel/printk/printk.c:2504)
[  816.103524][   T68]  ? snapshot_read.cold (user.c:?)
[  816.103528][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  816.103532][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  816.103536][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  816.103539][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  816.103543][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103545][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  816.103547][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  816.103552][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  816.103554][   T68]  ? 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)
[  816.103557][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  816.103561][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  816.103565][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  816.103570][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  816.103574][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  816.103578][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  816.103581][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  816.103584][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  816.103589][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  816.103599][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  816.103603][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.103605][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.103608][   T68]  process_one_work (kernel/workqueue.c:3387)
[  816.103613][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  816.103617][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  816.103621][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  816.103625][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  816.103628][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  816.103631][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  816.103634][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  816.103637][   T68]  kthread (kernel/kthread.c:436)
[  816.103640][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  816.103643][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  816.103646][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  816.103649][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  816.103652][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  816.103656][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  816.103660][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  817.593390][T19094] softirqs last disabled at (0): 0x0
| [  817.593392][T19094] Preemption disabled at:
| [  817.593393][T19094] vprintk_emit (kernel/printk/printk.c:2471)
| [  817.593404][T19094] Tainted: [W]=WARN
[  817.593405][T19094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  817.593406][T19094] Call Trace:
[  817.593408][T19094]  <TASK>
[  817.593409][T19094]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  817.593415][T19094]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  817.593417][T19094]  __might_resched.cold (kernel/sched/core.c:9234)
[  817.593421][T19094]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  817.593423][T19094]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  817.593426][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593431][T19094]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  817.593435][T19094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  817.593438][T19094]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  817.593443][T19094]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  817.593445][T19094]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  817.593448][T19094]  put_chars (drivers/char/virtio_console.c:1176)
[  817.593449][T19094]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  817.593451][T19094]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  817.593454][T19094]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  817.593459][T19094]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  817.593461][T19094]  ? vsnprintf (lib/vsprintf.c:2900)
[  817.593464][T19094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  817.593466][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593467][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593469][T19094]  console_emit_next_record (kernel/printk/printk.c:3183)
[  817.593472][T19094]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  817.593474][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593475][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593476][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593477][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593480][T19094]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  817.593482][T19094]  console_flush_one_record (kernel/printk/printk.c:3268)
[  817.593484][T19094]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  817.593487][T19094]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  817.593489][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593491][T19094]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  817.593493][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593494][T19094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  817.593496][T19094]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  817.593497][T19094]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  817.593499][T19094]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  817.593501][T19094]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  817.593502][T19094]  vprintk_emit (kernel/printk/printk.c:2479)
[  817.593504][T19094]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  817.593505][T19094]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  817.593507][T19094]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  817.593510][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593512][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593514][T19094]  _printk (kernel/printk/printk.c:2504)
[  817.593517][T19094]  ? snapshot_read.cold (user.c:?)
[  817.593519][T19094]  ? br_multicast_flood (??:?)
[  817.593523][T19094]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  817.593526][T19094]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  817.593527][T19094]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  817.593529][T19094]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  817.593531][T19094]  br_init_port (net/bridge/br_stp_if.c:39)
[  817.593533][T19094]  new_nbp (net/bridge/br_if.c:449)
[  817.593536][T19094]  br_add_if (net/bridge/br_if.c:592)
[  817.593538][T19094]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  817.593542][T19094]  do_set_master (net/core/rtnetlink.c:3071)
[  817.593544][T19094]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  817.593546][T19094]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  817.593547][T19094]  ? __dev_get_by_name (net/core/dev.c:905)
[  817.593549][T19094]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  817.593554][T19094]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  817.593556][T19094]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  817.593558][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593560][T19094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  817.593561][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593563][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593564][T19094]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  817.593567][T19094]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  817.593569][T19094]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  817.593571][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593572][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593574][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593575][T19094]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  817.593576][T19094]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  817.593578][T19094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  817.593580][T19094]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  817.593581][T19094]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  817.593585][T19094]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  817.593589][T19094]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  817.593590][T19094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  817.593592][T19094]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  817.593593][T19094]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  817.593596][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593598][T19094]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  817.593607][T19094]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  817.593610][T19094]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  817.593612][T19094]  ? next_uptodate_folio (mm/filemap.c:3747)
[  817.593615][T19094]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  817.593617][T19094]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  817.593620][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593621][T19094]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  817.593625][T19094]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  817.593628][T19094]  ____sys_sendmsg (net/socket.c:2713)
[  817.593630][T19094]  ? copy_msghdr_from_user (net/socket.c:2650)
[  817.593632][T19094]  ? sock_write_iter (net/socket.c:1269)
[  817.593633][T19094]  ? move_addr_to_kernel (net/socket.c:258)
[  817.593635][T19094]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  817.593638][T19094]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  817.593640][T19094]  ___sys_sendmsg (net/socket.c:2767)
[  817.593642][T19094]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  817.593644][T19094]  ? copy_msghdr_from_user (net/socket.c:2619)
[  817.593645][T19094]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  817.593650][T19094]  __sys_sendmsg (net/socket.c:2799)
[  817.593653][T19094]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  817.593655][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593657][T19094]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  817.593658][T19094]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  817.593661][T19094]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  817.593663][T19094]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  817.593665][T19094] RIP: 0033:0x7f245946754e
[  817.593667][T19094] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  817.593669][T19094] RSP: 002b:00007fff4cda1000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  817.593673][T19094] RAX: ffffffffffffffda RBX: 00007fff4cda17c8 RCX: 00007f245946754e
[  817.593674][T19094] RDX: 0000000000000000 RSI: 00007fff4cda10b0 RDI: 0000000000000005
[  817.593675][T19094] RBP: 00007fff4cda1010 R08: 0000000000000000 R09: 0000000000000000
[  817.593676][T19094] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe3b
[  817.593677][T19094] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4cda1780
| [  819.059104][T19163] softirqs last disabled at (0): 0x0
| [  819.059106][T19163] Preemption disabled at:
| [  819.059107][T19163] vprintk_emit (kernel/printk/printk.c:2471)
| [  819.059117][T19163] Tainted: [W]=WARN
[  819.059118][T19163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  819.059120][T19163] Call Trace:
[  819.059122][T19163]  <TASK>
[  819.059123][T19163]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  819.059129][T19163]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  819.059130][T19163]  __might_resched.cold (kernel/sched/core.c:9234)
[  819.059134][T19163]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  819.059138][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059140][T19163]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  819.059143][T19163]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  819.059147][T19163]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  819.059152][T19163]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  819.059154][T19163]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  819.059157][T19163]  put_chars (drivers/char/virtio_console.c:1176)
[  819.059158][T19163]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  819.059160][T19163]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  819.059162][T19163]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  819.059164][T19163]  ? pointer (lib/vsprintf.c:2577)
[  819.059168][T19163]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  819.059173][T19163]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  819.059174][T19163]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  819.059176][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059179][T19163]  console_emit_next_record (kernel/printk/printk.c:3183)
[  819.059182][T19163]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  819.059184][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059186][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059187][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059188][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059190][T19163]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  819.059192][T19163]  console_flush_one_record (kernel/printk/printk.c:3268)
[  819.059194][T19163]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  819.059197][T19163]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  819.059199][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059201][T19163]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  819.059203][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059204][T19163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  819.059205][T19163]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  819.059207][T19163]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  819.059209][T19163]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  819.059211][T19163]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  819.059212][T19163]  vprintk_emit (kernel/printk/printk.c:2479)
[  819.059214][T19163]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  819.059215][T19163]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  819.059218][T19163]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  819.059221][T19163]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  819.059224][T19163]  _printk (kernel/printk/printk.c:2504)
[  819.059227][T19163]  ? snapshot_read.cold (user.c:?)
[  819.059229][T19163]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  819.059231][T19163]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  819.059235][T19163]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  819.059237][T19163]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  819.059241][T19163]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  819.059243][T19163]  ? netdev_notice (net/core/dev.c:13194)
[  819.059246][T19163]  ? 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)
[  819.059247][T19163]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  819.059250][T19163]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  819.059252][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059253][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059254][T19163]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  819.059255][T19163]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  819.059257][T19163]  ? 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)
[  819.059258][T19163]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  819.059260][T19163]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  819.059262][T19163]  ? register_netdev (net/core/dev.c:11618)
[  819.059263][T19163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  819.059265][T19163]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  819.059268][T19163]  ? __kernel_text_address (kernel/extable.c:79)
[  819.059271][T19163]  ? write_profile (profile.c:?)
[  819.059274][T19163]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  819.059277][T19163]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  819.059279][T19163]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  819.059281][T19163]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  819.059282][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059283][T19163]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  819.059287][T19163]  ? kasan_save_stack (mm/kasan/common.c:58)
[  819.059289][T19163]  ? kasan_save_stack (mm/kasan/common.c:57)
[  819.059290][T19163]  ? kasan_save_track (mm/kasan/common.c:78)
[  819.059291][T19163]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  819.059292][T19163]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  819.059293][T19163]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  819.059295][T19163]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  819.059296][T19163]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  819.059299][T19163]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  819.059301][T19163]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  819.059302][T19163]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  819.059305][T19163]  ? ____sys_sendmsg (net/socket.c:2713)
[  819.059306][T19163]  ? ___sys_sendmsg (net/socket.c:2767)
[  819.059308][T19163]  ? __sys_sendmsg (net/socket.c:2799)
[  819.059310][T19163]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  819.059312][T19163]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  819.059315][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059316][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059318][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059319][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059320][T19163]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  819.059322][T19163]  ? __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)
[  819.059323][T19163]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  819.059324][T19163]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  819.059326][T19163]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  819.059327][T19163]  ? nla_get_range_signed (lib/nlattr.c:270)
[  819.059331][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059332][T19163]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  819.059334][T19163]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  819.059336][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059337][T19163]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  819.059339][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059340][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059342][T19163]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  819.059344][T19163]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  819.059345][T19163]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  819.059347][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059348][T19163]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  819.059351][T19163]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  819.059354][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059355][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059357][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059358][T19163]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  819.059359][T19163]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  819.059361][T19163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  819.059362][T19163]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  819.059364][T19163]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  819.059367][T19163]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  819.059368][T19163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  819.059370][T19163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  819.059372][T19163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  819.059373][T19163]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  819.059376][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059378][T19163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  819.059380][T19163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  819.059382][T19163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  819.059384][T19163]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  819.059386][T19163]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  819.059388][T19163]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  819.059390][T19163]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  819.059392][T19163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  819.059393][T19163]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  819.059397][T19163]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  819.059399][T19163]  ____sys_sendmsg (net/socket.c:2713)
[  819.059400][T19163]  ? copy_msghdr_from_user (net/socket.c:2650)
[  819.059402][T19163]  ? sock_write_iter (net/socket.c:1269)
[  819.059404][T19163]  ? move_addr_to_kernel (net/socket.c:258)
[  819.059405][T19163]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  819.059408][T19163]  ___sys_sendmsg (net/socket.c:2767)
[  819.059410][T19163]  ? copy_msghdr_from_user (net/socket.c:2619)
[  819.059415][T19163]  __sys_sendmsg (net/socket.c:2799)
[  819.059417][T19163]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  819.059420][T19163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  819.059421][T19163]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  819.059423][T19163]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  819.059426][T19163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  819.059427][T19163] RIP: 0033:0x7ff73a18554e
[  819.059429][T19163] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  819.059431][T19163] RSP: 002b:00007ffe85b34120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  819.059435][T19163] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff73a18554e
[  819.059437][T19163] RDX: 0000000000000000 RSI: 00007ffe85b341d0 RDI: 0000000000000005
[  819.059438][T19163] RBP: 00007ffe85b34130 R08: 0000000000000000 R09: 0000000000000000
[  819.059439][T19163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe3c
[  819.059440][T19163] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85b34890
| [  820.363672][T19220] softirqs last disabled at (0): 0x0
| [  820.363674][T19220] Preemption disabled at:
| [  820.363675][T19220] vprintk_emit (kernel/printk/printk.c:2471)
| [  820.363688][T19220] Tainted: [W]=WARN
[  820.363690][T19220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  820.363692][T19220] Call Trace:
[  820.363694][T19220]  <TASK>
[  820.363695][T19220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  820.363701][T19220]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  820.363702][T19220]  __might_resched.cold (kernel/sched/core.c:9234)
[  820.363706][T19220]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  820.363708][T19220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  820.363712][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363714][T19220]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  820.363717][T19220]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  820.363720][T19220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  820.363725][T19220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  820.363727][T19220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  820.363730][T19220]  put_chars (drivers/char/virtio_console.c:1176)
[  820.363732][T19220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  820.363734][T19220]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  820.363737][T19220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  820.363741][T19220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  820.363743][T19220]  ? vsnprintf (lib/vsprintf.c:2900)
[  820.363746][T19220]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  820.363748][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363749][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363751][T19220]  console_emit_next_record (kernel/printk/printk.c:3183)
[  820.363754][T19220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  820.363756][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363757][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363758][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363759][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363762][T19220]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  820.363764][T19220]  console_flush_one_record (kernel/printk/printk.c:3268)
[  820.363767][T19220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  820.363769][T19220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  820.363771][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363773][T19220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  820.363775][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363776][T19220]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  820.363777][T19220]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  820.363779][T19220]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  820.363781][T19220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  820.363783][T19220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  820.363784][T19220]  vprintk_emit (kernel/printk/printk.c:2479)
[  820.363786][T19220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  820.363788][T19220]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  820.363789][T19220]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  820.363792][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363794][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363796][T19220]  _printk (kernel/printk/printk.c:2504)
[  820.363799][T19220]  ? snapshot_read.cold (user.c:?)
[  820.363801][T19220]  ? br_multicast_flood (??:?)
[  820.363804][T19220]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  820.363807][T19220]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  820.363808][T19220]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  820.363810][T19220]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  820.363813][T19220]  br_init_port (net/bridge/br_stp_if.c:39)
[  820.363815][T19220]  new_nbp (net/bridge/br_if.c:449)
[  820.363817][T19220]  br_add_if (net/bridge/br_if.c:592)
[  820.363819][T19220]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  820.363824][T19220]  do_set_master (net/core/rtnetlink.c:3071)
[  820.363826][T19220]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  820.363827][T19220]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  820.363829][T19220]  ? __dev_get_by_name (net/core/dev.c:905)
[  820.363831][T19220]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  820.363835][T19220]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  820.363837][T19220]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  820.363840][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363841][T19220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  820.363842][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363844][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363845][T19220]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  820.363848][T19220]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  820.363850][T19220]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  820.363852][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363854][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363855][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363856][T19220]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  820.363858][T19220]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  820.363860][T19220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  820.363861][T19220]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  820.363863][T19220]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  820.363867][T19220]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  820.363870][T19220]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  820.363871][T19220]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  820.363873][T19220]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  820.363875][T19220]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  820.363878][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363879][T19220]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  820.363882][T19220]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  820.363884][T19220]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  820.363886][T19220]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  820.363889][T19220]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  820.363892][T19220]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  820.363894][T19220]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  820.363896][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363898][T19220]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  820.363901][T19220]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  820.363904][T19220]  ____sys_sendmsg (net/socket.c:2713)
[  820.363906][T19220]  ? copy_msghdr_from_user (net/socket.c:2650)
[  820.363908][T19220]  ? sock_write_iter (net/socket.c:1269)
[  820.363909][T19220]  ? move_addr_to_kernel (net/socket.c:258)
[  820.363912][T19220]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  820.363914][T19220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  820.363916][T19220]  ___sys_sendmsg (net/socket.c:2767)
[  820.363918][T19220]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  820.363920][T19220]  ? copy_msghdr_from_user (net/socket.c:2619)
[  820.363921][T19220]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  820.363926][T19220]  __sys_sendmsg (net/socket.c:2799)
[  820.363928][T19220]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  820.363931][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363932][T19220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  820.363934][T19220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  820.363936][T19220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  820.363938][T19220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  820.363941][T19220] RIP: 0033:0x7f706c1c554e
[  820.363943][T19220] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  820.363945][T19220] RSP: 002b:00007ffe7b9c5380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  820.363949][T19220] RAX: ffffffffffffffda RBX: 00007ffe7b9c5b48 RCX: 00007f706c1c554e
[  820.363950][T19220] RDX: 0000000000000000 RSI: 00007ffe7b9c5430 RDI: 0000000000000005
[  820.363951][T19220] RBP: 00007ffe7b9c5390 R08: 0000000000000000 R09: 0000000000000000
[  820.363952][T19220] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe3d
[  820.363953][T19220] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7b9c5b00
| [  855.896949][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  855.896952][   T68] Preemption disabled at:
| [  855.896952][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  855.896964][   T68] Tainted: [W]=WARN
[  855.896965][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  855.896967][   T68] Workqueue: netns cleanup_net
[  855.896973][   T68] Call Trace:
[  855.896974][   T68]  <TASK>
[  855.896975][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  855.896981][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  855.896983][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  855.896986][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  855.896989][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  855.896992][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.896995][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  855.896998][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.897001][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  855.897006][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  855.897008][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  855.897011][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  855.897013][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  855.897015][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  855.897017][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  855.897022][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  855.897024][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  855.897026][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.897028][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897029][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897031][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  855.897034][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  855.897036][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897037][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897038][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897040][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.897044][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  855.897046][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  855.897050][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  855.897054][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  855.897057][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.897060][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  855.897062][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897064][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.897066][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  855.897068][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  855.897070][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  855.897072][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  855.897074][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  855.897075][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  855.897077][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  855.897079][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  855.897081][   T68]  ? kthread (kernel/kthread.c:436)
[  855.897084][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  855.897087][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  855.897090][   T68]  _printk (kernel/printk/printk.c:2504)
[  855.897093][   T68]  ? snapshot_read.cold (user.c:?)
[  855.897095][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  855.897098][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  855.897100][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  855.897103][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  855.897105][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897106][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  855.897108][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  855.897111][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  855.897112][   T68]  ? 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)
[  855.897114][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  855.897116][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  855.897119][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  855.897123][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  855.897125][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  855.897128][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  855.897130][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  855.897132][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  855.897135][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  855.897137][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  855.897139][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.897141][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.897143][   T68]  process_one_work (kernel/workqueue.c:3387)
[  855.897146][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  855.897148][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.897151][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  855.897153][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  855.897155][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  855.897158][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  855.897160][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  855.897161][   T68]  kthread (kernel/kthread.c:436)
[  855.897163][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  855.897165][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  855.897167][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  855.897169][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  855.897171][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  855.897174][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  855.897176][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  857.279189][T21321] softirqs last disabled at (0): 0x0
| [  857.279191][T21321] Preemption disabled at:
| [  857.279192][T21321] vprintk_emit (kernel/printk/printk.c:2471)
| [  857.279202][T21321] Tainted: [W]=WARN
[  857.279203][T21321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  857.279205][T21321] Call Trace:
[  857.279207][T21321]  <TASK>
[  857.279208][T21321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  857.279214][T21321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  857.279215][T21321]  __might_resched.cold (kernel/sched/core.c:9234)
[  857.279219][T21321]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  857.279222][T21321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  857.279225][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279228][T21321]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  857.279231][T21321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  857.279234][T21321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  857.279239][T21321]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  857.279241][T21321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  857.279244][T21321]  put_chars (drivers/char/virtio_console.c:1176)
[  857.279246][T21321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  857.279248][T21321]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  857.279250][T21321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  857.279255][T21321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  857.279257][T21321]  ? vsnprintf (lib/vsprintf.c:2900)
[  857.279260][T21321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  857.279262][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279263][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279265][T21321]  console_emit_next_record (kernel/printk/printk.c:3183)
[  857.279268][T21321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  857.279270][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279271][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279272][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279273][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279276][T21321]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  857.279278][T21321]  console_flush_one_record (kernel/printk/printk.c:3268)
[  857.279280][T21321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  857.279283][T21321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  857.279285][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279286][T21321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  857.279288][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279290][T21321]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  857.279291][T21321]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  857.279293][T21321]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  857.279294][T21321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  857.279297][T21321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  857.279298][T21321]  vprintk_emit (kernel/printk/printk.c:2479)
[  857.279300][T21321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  857.279301][T21321]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  857.279303][T21321]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  857.279306][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279307][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279309][T21321]  _printk (kernel/printk/printk.c:2504)
[  857.279312][T21321]  ? snapshot_read.cold (user.c:?)
[  857.279314][T21321]  ? br_multicast_flood (??:?)
[  857.279318][T21321]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  857.279321][T21321]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  857.279322][T21321]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  857.279324][T21321]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  857.279327][T21321]  br_init_port (net/bridge/br_stp_if.c:39)
[  857.279329][T21321]  new_nbp (net/bridge/br_if.c:449)
[  857.279331][T21321]  br_add_if (net/bridge/br_if.c:592)
[  857.279333][T21321]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  857.279337][T21321]  do_set_master (net/core/rtnetlink.c:3071)
[  857.279339][T21321]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  857.279341][T21321]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  857.279343][T21321]  ? __dev_get_by_name (net/core/dev.c:905)
[  857.279344][T21321]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  857.279348][T21321]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  857.279351][T21321]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  857.279353][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279354][T21321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  857.279356][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279357][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279359][T21321]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  857.279361][T21321]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  857.279363][T21321]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  857.279366][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279367][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279368][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279370][T21321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  857.279371][T21321]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  857.279373][T21321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  857.279374][T21321]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  857.279376][T21321]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  857.279380][T21321]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  857.279383][T21321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  857.279385][T21321]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  857.279386][T21321]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  857.279388][T21321]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  857.279391][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279392][T21321]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  857.279394][T21321]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  857.279397][T21321]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  857.279399][T21321]  ? next_uptodate_folio (mm/filemap.c:3747)
[  857.279402][T21321]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  857.279404][T21321]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  857.279406][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279408][T21321]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  857.279411][T21321]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  857.279415][T21321]  ____sys_sendmsg (net/socket.c:2713)
[  857.279417][T21321]  ? copy_msghdr_from_user (net/socket.c:2650)
[  857.279418][T21321]  ? sock_write_iter (net/socket.c:1269)
[  857.279420][T21321]  ? move_addr_to_kernel (net/socket.c:258)
[  857.279422][T21321]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  857.279425][T21321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  857.279427][T21321]  ___sys_sendmsg (net/socket.c:2767)
[  857.279428][T21321]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  857.279430][T21321]  ? copy_msghdr_from_user (net/socket.c:2619)
[  857.279432][T21321]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  857.279437][T21321]  __sys_sendmsg (net/socket.c:2799)
[  857.279439][T21321]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  857.279442][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279443][T21321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  857.279444][T21321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  857.279447][T21321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  857.279449][T21321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  857.279451][T21321] RIP: 0033:0x7fa9c688254e
[  857.279453][T21321] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  857.279455][T21321] RSP: 002b:00007ffe35008e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  857.279459][T21321] RAX: ffffffffffffffda RBX: 00007ffe35009608 RCX: 00007fa9c688254e
[  857.279461][T21321] RDX: 0000000000000000 RSI: 00007ffe35008ef0 RDI: 0000000000000005
[  857.279462][T21321] RBP: 00007ffe35008e50 R08: 0000000000000000 R09: 0000000000000000
[  857.279463][T21321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe62
[  857.279464][T21321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe350095c0
| [  858.743271][T21390] softirqs last disabled at (0): 0x0
| [  858.743273][T21390] Preemption disabled at:
| [  858.743274][T21390] vprintk_emit (kernel/printk/printk.c:2471)
| [  858.743284][T21390] Tainted: [W]=WARN
[  858.743285][T21390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  858.743286][T21390] Call Trace:
[  858.743288][T21390]  <TASK>
[  858.743289][T21390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  858.743295][T21390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  858.743296][T21390]  __might_resched.cold (kernel/sched/core.c:9234)
[  858.743300][T21390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  858.743304][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743306][T21390]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  858.743309][T21390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  858.743313][T21390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  858.743318][T21390]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  858.743320][T21390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  858.743323][T21390]  put_chars (drivers/char/virtio_console.c:1176)
[  858.743324][T21390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  858.743325][T21390]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  858.743328][T21390]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  858.743330][T21390]  ? pointer (lib/vsprintf.c:2577)
[  858.743334][T21390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  858.743339][T21390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  858.743341][T21390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  858.743343][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743346][T21390]  console_emit_next_record (kernel/printk/printk.c:3183)
[  858.743349][T21390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  858.743351][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743352][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743353][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743354][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743356][T21390]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  858.743358][T21390]  console_flush_one_record (kernel/printk/printk.c:3268)
[  858.743361][T21390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  858.743364][T21390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  858.743366][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743368][T21390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  858.743369][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743370][T21390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  858.743372][T21390]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  858.743374][T21390]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  858.743375][T21390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  858.743377][T21390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  858.743379][T21390]  vprintk_emit (kernel/printk/printk.c:2479)
[  858.743381][T21390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  858.743382][T21390]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  858.743384][T21390]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  858.743388][T21390]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  858.743390][T21390]  _printk (kernel/printk/printk.c:2504)
[  858.743393][T21390]  ? snapshot_read.cold (user.c:?)
[  858.743395][T21390]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  858.743398][T21390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  858.743401][T21390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  858.743403][T21390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  858.743406][T21390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  858.743409][T21390]  ? netdev_notice (net/core/dev.c:13194)
[  858.743411][T21390]  ? 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)
[  858.743413][T21390]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  858.743416][T21390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  858.743417][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743419][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743420][T21390]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  858.743421][T21390]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  858.743423][T21390]  ? 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)
[  858.743424][T21390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  858.743426][T21390]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  858.743427][T21390]  ? register_netdev (net/core/dev.c:11618)
[  858.743429][T21390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  858.743431][T21390]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  858.743434][T21390]  ? __kernel_text_address (kernel/extable.c:79)
[  858.743436][T21390]  ? write_profile (profile.c:?)
[  858.743439][T21390]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  858.743443][T21390]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  858.743445][T21390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  858.743447][T21390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  858.743448][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743449][T21390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  858.743453][T21390]  ? kasan_save_stack (mm/kasan/common.c:58)
[  858.743454][T21390]  ? kasan_save_stack (mm/kasan/common.c:57)
[  858.743456][T21390]  ? kasan_save_track (mm/kasan/common.c:78)
[  858.743457][T21390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  858.743458][T21390]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  858.743459][T21390]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  858.743460][T21390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  858.743462][T21390]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  858.743465][T21390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  858.743466][T21390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  858.743468][T21390]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  858.743471][T21390]  ? ____sys_sendmsg (net/socket.c:2713)
[  858.743472][T21390]  ? ___sys_sendmsg (net/socket.c:2767)
[  858.743474][T21390]  ? __sys_sendmsg (net/socket.c:2799)
[  858.743476][T21390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  858.743478][T21390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  858.743481][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743482][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743484][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743485][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743486][T21390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  858.743487][T21390]  ? __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)
[  858.743489][T21390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  858.743490][T21390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  858.743492][T21390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  858.743493][T21390]  ? nla_get_range_signed (lib/nlattr.c:270)
[  858.743496][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743498][T21390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  858.743500][T21390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  858.743502][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743503][T21390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  858.743505][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743506][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743508][T21390]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  858.743510][T21390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  858.743512][T21390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  858.743513][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743515][T21390]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  858.743518][T21390]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  858.743521][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743522][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743524][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743525][T21390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  858.743526][T21390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  858.743528][T21390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  858.743529][T21390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  858.743531][T21390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  858.743534][T21390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  858.743535][T21390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  858.743537][T21390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  858.743539][T21390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  858.743540][T21390]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  858.743544][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743545][T21390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  858.743547][T21390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  858.743549][T21390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  858.743551][T21390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  858.743553][T21390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  858.743555][T21390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  858.743557][T21390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  858.743559][T21390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.743560][T21390]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  858.743564][T21390]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  858.743566][T21390]  ____sys_sendmsg (net/socket.c:2713)
[  858.743568][T21390]  ? copy_msghdr_from_user (net/socket.c:2650)
[  858.743569][T21390]  ? sock_write_iter (net/socket.c:1269)
[  858.743571][T21390]  ? move_addr_to_kernel (net/socket.c:258)
[  858.743573][T21390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  858.743575][T21390]  ___sys_sendmsg (net/socket.c:2767)
[  858.743577][T21390]  ? copy_msghdr_from_user (net/socket.c:2619)
[  858.743582][T21390]  __sys_sendmsg (net/socket.c:2799)
[  858.743585][T21390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  858.743587][T21390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.743589][T21390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  858.743591][T21390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  858.743593][T21390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  858.743595][T21390] RIP: 0033:0x7f9e91f9954e
[  858.743597][T21390] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  858.743598][T21390] RSP: 002b:00007ffd52a2be90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  858.743602][T21390] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9e91f9954e
[  858.743604][T21390] RDX: 0000000000000000 RSI: 00007ffd52a2bf40 RDI: 0000000000000005
[  858.743605][T21390] RBP: 00007ffd52a2bea0 R08: 0000000000000000 R09: 0000000000000000
[  858.743606][T21390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe64
[  858.743607][T21390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd52a2c600
| [  859.960008][T21440] softirqs last disabled at (0): 0x0
| [  859.960010][T21440] Preemption disabled at:
| [  859.960011][T21440] vprintk_emit (kernel/printk/printk.c:2471)
| [  859.960021][T21440] Tainted: [W]=WARN
[  859.960022][T21440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  859.960024][T21440] Call Trace:
[  859.960026][T21440]  <TASK>
[  859.960027][T21440]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  859.960033][T21440]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  859.960034][T21440]  __might_resched.cold (kernel/sched/core.c:9234)
[  859.960038][T21440]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  859.960041][T21440]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  859.960045][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960047][T21440]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  859.960051][T21440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  859.960054][T21440]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  859.960060][T21440]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  859.960061][T21440]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  859.960064][T21440]  put_chars (drivers/char/virtio_console.c:1176)
[  859.960066][T21440]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  859.960068][T21440]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  859.960071][T21440]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  859.960076][T21440]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  859.960078][T21440]  ? vsnprintf (lib/vsprintf.c:2900)
[  859.960081][T21440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  859.960083][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960084][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960086][T21440]  console_emit_next_record (kernel/printk/printk.c:3183)
[  859.960089][T21440]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  859.960091][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960092][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960094][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960095][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960097][T21440]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  859.960099][T21440]  console_flush_one_record (kernel/printk/printk.c:3268)
[  859.960102][T21440]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  859.960105][T21440]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  859.960107][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960109][T21440]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  859.960110][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960111][T21440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  859.960113][T21440]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  859.960115][T21440]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  859.960117][T21440]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  859.960119][T21440]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  859.960120][T21440]  vprintk_emit (kernel/printk/printk.c:2479)
[  859.960122][T21440]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  859.960123][T21440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  859.960125][T21440]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  859.960128][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960130][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960131][T21440]  _printk (kernel/printk/printk.c:2504)
[  859.960135][T21440]  ? snapshot_read.cold (user.c:?)
[  859.960137][T21440]  ? br_multicast_flood (??:?)
[  859.960141][T21440]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  859.960143][T21440]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  859.960145][T21440]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  859.960147][T21440]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  859.960150][T21440]  br_init_port (net/bridge/br_stp_if.c:39)
[  859.960151][T21440]  new_nbp (net/bridge/br_if.c:449)
[  859.960154][T21440]  br_add_if (net/bridge/br_if.c:592)
[  859.960156][T21440]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  859.960160][T21440]  do_set_master (net/core/rtnetlink.c:3071)
[  859.960162][T21440]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  859.960164][T21440]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  859.960165][T21440]  ? __dev_get_by_name (net/core/dev.c:905)
[  859.960168][T21440]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  859.960172][T21440]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  859.960175][T21440]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  859.960177][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960178][T21440]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  859.960179][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960181][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960182][T21440]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  859.960185][T21440]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  859.960187][T21440]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  859.960190][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960191][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960193][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960194][T21440]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  859.960196][T21440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  859.960197][T21440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  859.960199][T21440]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  859.960201][T21440]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  859.960205][T21440]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  859.960208][T21440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  859.960209][T21440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  859.960211][T21440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  859.960213][T21440]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  859.960216][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960217][T21440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  859.960219][T21440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  859.960221][T21440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  859.960223][T21440]  ? next_uptodate_folio (mm/filemap.c:3747)
[  859.960227][T21440]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  859.960229][T21440]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  859.960231][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960233][T21440]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  859.960237][T21440]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  859.960240][T21440]  ____sys_sendmsg (net/socket.c:2713)
[  859.960242][T21440]  ? copy_msghdr_from_user (net/socket.c:2650)
[  859.960244][T21440]  ? sock_write_iter (net/socket.c:1269)
[  859.960245][T21440]  ? move_addr_to_kernel (net/socket.c:258)
[  859.960248][T21440]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  859.960250][T21440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  859.960252][T21440]  ___sys_sendmsg (net/socket.c:2767)
[  859.960254][T21440]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  859.960256][T21440]  ? copy_msghdr_from_user (net/socket.c:2619)
[  859.960258][T21440]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  859.960263][T21440]  __sys_sendmsg (net/socket.c:2799)
[  859.960265][T21440]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  859.960268][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960269][T21440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  859.960271][T21440]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  859.960273][T21440]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  859.960275][T21440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  859.960278][T21440] RIP: 0033:0x7f5d9c7a254e
[  859.960280][T21440] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  859.960282][T21440] RSP: 002b:00007ffeaf293980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  859.960286][T21440] RAX: ffffffffffffffda RBX: 00007ffeaf294148 RCX: 00007f5d9c7a254e
[  859.960287][T21440] RDX: 0000000000000000 RSI: 00007ffeaf293a30 RDI: 0000000000000005
[  859.960288][T21440] RBP: 00007ffeaf293990 R08: 0000000000000000 R09: 0000000000000000
[  859.960289][T21440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe65
[  859.960290][T21440] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaf294100
| [  895.437627][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  895.437629][   T68] Preemption disabled at:
| [  895.437630][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  895.437641][   T68] Tainted: [W]=WARN
[  895.437642][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  895.437644][   T68] Workqueue: netns cleanup_net
[  895.437650][   T68] Call Trace:
[  895.437651][   T68]  <TASK>
[  895.437653][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  895.437659][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  895.437660][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  895.437664][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  895.437666][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  895.437670][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437672][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  895.437675][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  895.437679][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  895.437688][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  895.437691][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  895.437694][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  895.437695][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  895.437697][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  895.437700][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  895.437705][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  895.437707][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  895.437710][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  895.437711][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437713][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437714][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  895.437717][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  895.437720][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437721][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437722][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437723][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  895.437726][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  895.437728][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  895.437730][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  895.437733][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  895.437735][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  895.437737][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  895.437739][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437740][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  895.437742][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  895.437743][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  895.437745][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  895.437747][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  895.437749][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  895.437750][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  895.437752][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  895.437753][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  895.437756][   T68]  ? kthread (kernel/kthread.c:436)
[  895.437758][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  895.437761][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  895.437764][   T68]  _printk (kernel/printk/printk.c:2504)
[  895.437767][   T68]  ? snapshot_read.cold (user.c:?)
[  895.437770][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  895.437773][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  895.437775][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  895.437778][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  895.437780][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437781][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  895.437783][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  895.437786][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  895.437787][   T68]  ? 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)
[  895.437789][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  895.437792][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  895.437794][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  895.437798][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  895.437800][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  895.437803][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  895.437805][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  895.437807][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  895.437810][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  895.437812][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  895.437814][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  895.437816][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  895.437818][   T68]  process_one_work (kernel/workqueue.c:3387)
[  895.437821][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  895.437823][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  895.437826][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  895.437828][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  895.437830][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  895.437833][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  895.437835][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  895.437837][   T68]  kthread (kernel/kthread.c:436)
[  895.437838][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  895.437840][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  895.437842][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  895.437844][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  895.437846][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  895.437849][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  895.437851][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  896.940511][T23332] softirqs last disabled at (0): 0x0
| [  896.940513][T23332] Preemption disabled at:
| [  896.940514][T23332] vprintk_emit (kernel/printk/printk.c:2471)
| [  896.940524][T23332] Tainted: [W]=WARN
[  896.940525][T23332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  896.940527][T23332] Call Trace:
[  896.940529][T23332]  <TASK>
[  896.940530][T23332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  896.940536][T23332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  896.940537][T23332]  __might_resched.cold (kernel/sched/core.c:9234)
[  896.940541][T23332]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  896.940543][T23332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  896.940547][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940550][T23332]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  896.940553][T23332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  896.940556][T23332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  896.940561][T23332]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  896.940563][T23332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  896.940566][T23332]  put_chars (drivers/char/virtio_console.c:1176)
[  896.940568][T23332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  896.940570][T23332]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  896.940572][T23332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  896.940577][T23332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  896.940579][T23332]  ? vsnprintf (lib/vsprintf.c:2900)
[  896.940582][T23332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  896.940584][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940585][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940587][T23332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  896.940589][T23332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  896.940592][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940593][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940594][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940595][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940598][T23332]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  896.940600][T23332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  896.940602][T23332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  896.940605][T23332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  896.940607][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940609][T23332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  896.940611][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940612][T23332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  896.940613][T23332]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  896.940615][T23332]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  896.940616][T23332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  896.940618][T23332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  896.940620][T23332]  vprintk_emit (kernel/printk/printk.c:2479)
[  896.940621][T23332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  896.940623][T23332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  896.940625][T23332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  896.940628][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940629][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940631][T23332]  _printk (kernel/printk/printk.c:2504)
[  896.940634][T23332]  ? snapshot_read.cold (user.c:?)
[  896.940636][T23332]  ? br_multicast_flood (??:?)
[  896.940640][T23332]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  896.940643][T23332]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  896.940644][T23332]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  896.940646][T23332]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  896.940648][T23332]  br_init_port (net/bridge/br_stp_if.c:39)
[  896.940650][T23332]  new_nbp (net/bridge/br_if.c:449)
[  896.940653][T23332]  br_add_if (net/bridge/br_if.c:592)
[  896.940654][T23332]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  896.940659][T23332]  do_set_master (net/core/rtnetlink.c:3071)
[  896.940660][T23332]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  896.940662][T23332]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  896.940664][T23332]  ? __dev_get_by_name (net/core/dev.c:905)
[  896.940665][T23332]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  896.940669][T23332]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  896.940672][T23332]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  896.940674][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940675][T23332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  896.940677][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940678][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940680][T23332]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  896.940685][T23332]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  896.940688][T23332]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  896.940691][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940692][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940694][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940695][T23332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  896.940696][T23332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  896.940698][T23332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  896.940700][T23332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  896.940701][T23332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  896.940705][T23332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  896.940708][T23332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  896.940710][T23332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  896.940712][T23332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  896.940713][T23332]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  896.940716][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940718][T23332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  896.940720][T23332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  896.940722][T23332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  896.940724][T23332]  ? next_uptodate_folio (mm/filemap.c:3747)
[  896.940727][T23332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  896.940729][T23332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  896.940732][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940733][T23332]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  896.940737][T23332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  896.940740][T23332]  ____sys_sendmsg (net/socket.c:2713)
[  896.940742][T23332]  ? copy_msghdr_from_user (net/socket.c:2650)
[  896.940744][T23332]  ? sock_write_iter (net/socket.c:1269)
[  896.940745][T23332]  ? move_addr_to_kernel (net/socket.c:258)
[  896.940747][T23332]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  896.940750][T23332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  896.940752][T23332]  ___sys_sendmsg (net/socket.c:2767)
[  896.940754][T23332]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  896.940756][T23332]  ? copy_msghdr_from_user (net/socket.c:2619)
[  896.940757][T23332]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  896.940762][T23332]  __sys_sendmsg (net/socket.c:2799)
[  896.940764][T23332]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  896.940767][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940768][T23332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  896.940770][T23332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  896.940772][T23332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  896.940774][T23332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  896.940776][T23332] RIP: 0033:0x7f54c215a54e
[  896.940778][T23332] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  896.940781][T23332] RSP: 002b:00007ffe62ca5d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  896.940785][T23332] RAX: ffffffffffffffda RBX: 00007ffe62ca64c8 RCX: 00007f54c215a54e
[  896.940786][T23332] RDX: 0000000000000000 RSI: 00007ffe62ca5db0 RDI: 0000000000000005
[  896.940787][T23332] RBP: 00007ffe62ca5d10 R08: 0000000000000000 R09: 0000000000000000
[  896.940788][T23332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe8a
[  896.940789][T23332] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe62ca6480
| [  898.599689][T23401] softirqs last disabled at (0): 0x0
| [  898.599691][T23401] Preemption disabled at:
| [  898.599692][T23401] vprintk_emit (kernel/printk/printk.c:2471)
| [  898.599703][T23401] Tainted: [W]=WARN
[  898.599704][T23401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  898.599706][T23401] Call Trace:
[  898.599707][T23401]  <TASK>
[  898.599709][T23401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  898.599714][T23401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  898.599716][T23401]  __might_resched.cold (kernel/sched/core.c:9234)
[  898.599720][T23401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  898.599724][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599727][T23401]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  898.599730][T23401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  898.599733][T23401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  898.599738][T23401]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  898.599740][T23401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  898.599743][T23401]  put_chars (drivers/char/virtio_console.c:1176)
[  898.599744][T23401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  898.599746][T23401]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  898.599748][T23401]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  898.599750][T23401]  ? pointer (lib/vsprintf.c:2577)
[  898.599754][T23401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  898.599759][T23401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  898.599761][T23401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  898.599763][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599765][T23401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  898.599768][T23401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  898.599771][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599772][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599773][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599774][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599776][T23401]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  898.599778][T23401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  898.599781][T23401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  898.599783][T23401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  898.599785][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599787][T23401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  898.599789][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599790][T23401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  898.599792][T23401]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  898.599793][T23401]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  898.599795][T23401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  898.599797][T23401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  898.599798][T23401]  vprintk_emit (kernel/printk/printk.c:2479)
[  898.599800][T23401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  898.599802][T23401]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  898.599804][T23401]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  898.599808][T23401]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  898.599810][T23401]  _printk (kernel/printk/printk.c:2504)
[  898.599813][T23401]  ? snapshot_read.cold (user.c:?)
[  898.599815][T23401]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  898.599818][T23401]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  898.599821][T23401]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  898.599823][T23401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  898.599826][T23401]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  898.599828][T23401]  ? netdev_notice (net/core/dev.c:13194)
[  898.599831][T23401]  ? 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)
[  898.599832][T23401]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  898.599835][T23401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  898.599837][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599838][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599839][T23401]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  898.599840][T23401]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  898.599842][T23401]  ? 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)
[  898.599843][T23401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  898.599845][T23401]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  898.599847][T23401]  ? register_netdev (net/core/dev.c:11618)
[  898.599848][T23401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  898.599850][T23401]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  898.599853][T23401]  ? __kernel_text_address (kernel/extable.c:79)
[  898.599856][T23401]  ? write_profile (profile.c:?)
[  898.599858][T23401]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  898.599862][T23401]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  898.599865][T23401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  898.599867][T23401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  898.599868][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599869][T23401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  898.599873][T23401]  ? kasan_save_stack (mm/kasan/common.c:58)
[  898.599875][T23401]  ? kasan_save_stack (mm/kasan/common.c:57)
[  898.599876][T23401]  ? kasan_save_track (mm/kasan/common.c:78)
[  898.599878][T23401]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  898.599879][T23401]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  898.599880][T23401]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  898.599881][T23401]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  898.599882][T23401]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  898.599886][T23401]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  898.599887][T23401]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  898.599889][T23401]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  898.599891][T23401]  ? ____sys_sendmsg (net/socket.c:2713)
[  898.599893][T23401]  ? ___sys_sendmsg (net/socket.c:2767)
[  898.599894][T23401]  ? __sys_sendmsg (net/socket.c:2799)
[  898.599896][T23401]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  898.599899][T23401]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  898.599901][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599902][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599904][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599905][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599906][T23401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  898.599908][T23401]  ? __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)
[  898.599909][T23401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  898.599910][T23401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  898.599912][T23401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  898.599913][T23401]  ? nla_get_range_signed (lib/nlattr.c:270)
[  898.599916][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599918][T23401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  898.599920][T23401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  898.599922][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599923][T23401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  898.599924][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599926][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599928][T23401]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  898.599930][T23401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  898.599931][T23401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  898.599933][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599934][T23401]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  898.599937][T23401]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  898.599939][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599941][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599942][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599943][T23401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  898.599945][T23401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  898.599947][T23401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  898.599948][T23401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  898.599950][T23401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  898.599952][T23401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  898.599954][T23401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  898.599956][T23401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  898.599957][T23401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  898.599959][T23401]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  898.599962][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.599963][T23401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  898.599966][T23401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  898.599968][T23401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  898.599970][T23401]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  898.599972][T23401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  898.599974][T23401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  898.599976][T23401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  898.599977][T23401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  898.599979][T23401]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  898.599982][T23401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  898.599984][T23401]  ____sys_sendmsg (net/socket.c:2713)
[  898.599986][T23401]  ? copy_msghdr_from_user (net/socket.c:2650)
[  898.599988][T23401]  ? sock_write_iter (net/socket.c:1269)
[  898.599989][T23401]  ? move_addr_to_kernel (net/socket.c:258)
[  898.599991][T23401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  898.599994][T23401]  ___sys_sendmsg (net/socket.c:2767)
[  898.599995][T23401]  ? copy_msghdr_from_user (net/socket.c:2619)
[  898.600000][T23401]  __sys_sendmsg (net/socket.c:2799)
[  898.600002][T23401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  898.600005][T23401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  898.600007][T23401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  898.600009][T23401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  898.600011][T23401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  898.600012][T23401] RIP: 0033:0x7f888e00554e
[  898.600014][T23401] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  898.600016][T23401] RSP: 002b:00007ffc75306530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  898.600020][T23401] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f888e00554e
[  898.600022][T23401] RDX: 0000000000000000 RSI: 00007ffc753065e0 RDI: 0000000000000005
[  898.600023][T23401] RBP: 00007ffc75306540 R08: 0000000000000000 R09: 0000000000000000
[  898.600024][T23401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe8c
[  898.600025][T23401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc75306ca0
| [  899.902291][T23451] softirqs last disabled at (0): 0x0
| [  899.902294][T23451] Preemption disabled at:
| [  899.902295][T23451] vprintk_emit (kernel/printk/printk.c:2471)
| [  899.902308][T23451] Tainted: [W]=WARN
[  899.902309][T23451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  899.902312][T23451] Call Trace:
[  899.902314][T23451]  <TASK>
[  899.902316][T23451]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  899.902323][T23451]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  899.902325][T23451]  __might_resched.cold (kernel/sched/core.c:9234)
[  899.902330][T23451]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  899.902333][T23451]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  899.902337][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902341][T23451]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  899.902345][T23451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  899.902349][T23451]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  899.902355][T23451]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  899.902358][T23451]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  899.902362][T23451]  put_chars (drivers/char/virtio_console.c:1176)
[  899.902365][T23451]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  899.902367][T23451]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  899.902371][T23451]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  899.902378][T23451]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  899.902380][T23451]  ? vsnprintf (lib/vsprintf.c:2900)
[  899.902384][T23451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  899.902387][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902389][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902392][T23451]  console_emit_next_record (kernel/printk/printk.c:3183)
[  899.902396][T23451]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  899.902399][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902401][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902403][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902405][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902409][T23451]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  899.902412][T23451]  console_flush_one_record (kernel/printk/printk.c:3268)
[  899.902415][T23451]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  899.902419][T23451]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  899.902422][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902425][T23451]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  899.902428][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902429][T23451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  899.902432][T23451]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  899.902434][T23451]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  899.902437][T23451]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  899.902440][T23451]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  899.902442][T23451]  vprintk_emit (kernel/printk/printk.c:2479)
[  899.902445][T23451]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  899.902447][T23451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  899.902450][T23451]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  899.902454][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902456][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902459][T23451]  _printk (kernel/printk/printk.c:2504)
[  899.902463][T23451]  ? snapshot_read.cold (user.c:?)
[  899.902466][T23451]  ? br_multicast_flood (??:?)
[  899.902471][T23451]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  899.902474][T23451]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  899.902476][T23451]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  899.902480][T23451]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  899.902484][T23451]  br_init_port (net/bridge/br_stp_if.c:39)
[  899.902487][T23451]  new_nbp (net/bridge/br_if.c:449)
[  899.902490][T23451]  br_add_if (net/bridge/br_if.c:592)
[  899.902493][T23451]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  899.902498][T23451]  do_set_master (net/core/rtnetlink.c:3071)
[  899.902501][T23451]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  899.902504][T23451]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  899.902507][T23451]  ? __dev_get_by_name (net/core/dev.c:905)
[  899.902509][T23451]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  899.902515][T23451]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  899.902519][T23451]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  899.902522][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902524][T23451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  899.902527][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902529][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902531][T23451]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  899.902535][T23451]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  899.902538][T23451]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  899.902541][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902543][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902546][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902548][T23451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  899.902550][T23451]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  899.902553][T23451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  899.902556][T23451]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  899.902558][T23451]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  899.902564][T23451]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  899.902568][T23451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  899.902571][T23451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  899.902573][T23451]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  899.902576][T23451]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  899.902580][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902583][T23451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  899.902586][T23451]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  899.902590][T23451]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  899.902593][T23451]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  899.902596][T23451]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  899.902600][T23451]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  899.902604][T23451]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  899.902607][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902609][T23451]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  899.902614][T23451]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  899.902618][T23451]  ____sys_sendmsg (net/socket.c:2713)
[  899.902621][T23451]  ? copy_msghdr_from_user (net/socket.c:2650)
[  899.902624][T23451]  ? sock_write_iter (net/socket.c:1269)
[  899.902626][T23451]  ? move_addr_to_kernel (net/socket.c:258)
[  899.902630][T23451]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  899.902633][T23451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.902636][T23451]  ___sys_sendmsg (net/socket.c:2767)
[  899.902638][T23451]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  899.902641][T23451]  ? copy_msghdr_from_user (net/socket.c:2619)
[  899.902644][T23451]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  899.902651][T23451]  __sys_sendmsg (net/socket.c:2799)
[  899.902655][T23451]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  899.902659][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902661][T23451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.902663][T23451]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  899.902667][T23451]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  899.902670][T23451]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  899.902673][T23451] RIP: 0033:0x7ffb68bbf54e
[  899.902676][T23451] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  899.902679][T23451] RSP: 002b:00007ffee375d770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  899.902687][T23451] RAX: ffffffffffffffda RBX: 00007ffee375df38 RCX: 00007ffb68bbf54e
[  899.902690][T23451] RDX: 0000000000000000 RSI: 00007ffee375d820 RDI: 0000000000000005
[  899.902692][T23451] RBP: 00007ffee375d780 R08: 0000000000000000 R09: 0000000000000000
[  899.902694][T23451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90fe8d
[  899.902697][T23451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee375def0
| [  935.430942][   T68] softirqs last disabled at (1938494): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  935.430944][   T68] Preemption disabled at:
| [  935.430945][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  935.430956][   T68] Tainted: [W]=WARN
[  935.430957][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  935.430959][   T68] Workqueue: netns cleanup_net
[  935.430965][   T68] Call Trace:
[  935.430967][   T68]  <TASK>
[  935.430969][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  935.430974][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  935.430976][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  935.430979][   T68]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  935.430981][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  935.430985][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.430987][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  935.430990][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  935.430994][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  935.430999][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  935.431000][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  935.431003][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  935.431005][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  935.431007][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  935.431010][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  935.431015][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  935.431017][   T68]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  935.431019][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  935.431021][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431022][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431024][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  935.431027][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  935.431029][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431030][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431031][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431032][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  935.431035][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  935.431037][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  935.431039][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  935.431042][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  935.431044][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  935.431046][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  935.431048][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431049][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  935.431051][   T68]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  935.431052][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  935.431054][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  935.431056][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  935.431057][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  935.431059][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  935.431060][   T68]  ? cleanup_net (net/core/net_namespace.c:706)
[  935.431062][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  935.431065][   T68]  ? kthread (kernel/kthread.c:436)
[  935.431067][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  935.431070][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  935.431073][   T68]  _printk (kernel/printk/printk.c:2504)
[  935.431076][   T68]  ? snapshot_read.cold (user.c:?)
[  935.431078][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  935.431082][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  935.431084][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  935.431087][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  935.431089][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431090][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  935.431092][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  935.431095][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  935.431097][   T68]  ? 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)
[  935.431098][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  935.431101][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  935.431103][   T68]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  935.431107][   T68]  br_dev_delete (net/bridge/br_if.c:387)
[  935.431109][   T68]  br_net_exit_rtnl (net/bridge/br.c:414)
[  935.431112][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  935.431114][   T68]  ? netns_install (./include/linux/ns_common.h:26)
[  935.431116][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  935.431119][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  935.431121][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  935.431123][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  935.431125][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  935.431127][   T68]  process_one_work (kernel/workqueue.c:3387)
[  935.431130][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  935.431133][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  935.431135][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  935.431138][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  935.431140][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  935.431142][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  935.431144][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  935.431145][   T68]  kthread (kernel/kthread.c:436)
[  935.431147][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  935.431149][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  935.431151][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  935.431153][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  935.431155][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  935.431158][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all: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