======================================
| [   10.825065][  T216] softirqs last disabled at (15402): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   10.825068][  T216] Preemption disabled at:
| [   10.825068][  T216] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.825077][  T216] Tainted: [W]=WARN
[   10.825078][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.825080][  T216] Call Trace:
[   10.825081][  T216]  <TASK>
[   10.825083][  T216]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.825089][  T216]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.825090][  T216]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.825095][  T216]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.825100][  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)
[   10.825104][  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))
[   10.825106][  T216]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.825113][  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)
[   10.825116][  T216]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.825120][  T216]  put_chars (drivers/char/virtio_console.c:1176)
[   10.825122][  T216]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.825129][  T216]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.825137][  T216]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.825141][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.825145][  T216]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.825149][  T216]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.825151][  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))
[   10.825154][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825157][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.825161][  T216]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.825166][  T216]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.825168][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.825173][  T216]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.825176][  T216]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.825178][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825180][  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)
[   10.825184][  T216]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.825186][  T216]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.825189][  T216]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.825192][  T216]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.825194][  T216]  ? save_trace (kernel/locking/lockdep.c:589)
[   10.825199][  T216]  _printk (kernel/printk/printk.c:2504)
[   10.825202][  T216]  ? snapshot_read.cold (user.c:?)
[   10.825206][  T216]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.825208][  T216]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.825212][  T216]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.825215][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.825217][  T216]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.825220][  T216]  ? netdev_notice (net/core/dev.c:13194)
[   10.825223][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.825226][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.825229][  T216]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.825232][  T216]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.825235][  T216]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   10.825236][  T216]  ? register_netdev (net/core/dev.c:11618)
[   10.825238][  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))
[   10.825243][  T216]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   10.825246][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[   10.825249][  T216]  ? write_profile (profile.c:?)
[   10.825253][  T216]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   10.825259][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   10.825262][  T216]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.825264][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.825266][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.825269][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.825272][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.825274][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.825276][  T216]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.825278][  T216]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.825280][  T216]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.825282][  T216]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.825283][  T216]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.825285][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.825287][  T216]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   10.825291][  T216]  ? ___sys_sendmsg (net/socket.c:2758)
[   10.825295][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.825297][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.825300][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825301][  T216]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.825303][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825304][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825306][  T216]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.825308][  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)
[   10.825311][  T216]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.825313][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.825316][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.825318][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.825323][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825325][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.825331][  T216]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.825336][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.825338][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.825343][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.825345][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.825347][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.825349][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.825353][  T216]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.825355][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.825359][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.825360][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.825365][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.825367][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.825370][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.825374][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.825377][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.825384][  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))
[   10.825386][  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))
[   10.825391][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.825395][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.825398][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.825402][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.825406][  T216]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.825411][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.825412][  T216]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   10.825418][  T216]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   10.825421][  T216]  ____sys_sendmsg (net/socket.c:2713)
[   10.825423][  T216]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.825426][  T216]  ? sock_write_iter (net/socket.c:1269)
[   10.825427][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.825435][  T216]  ___sys_sendmsg (net/socket.c:2767)
[   10.825438][  T216]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.825455][  T216]  __sys_sendmsg (net/socket.c:2799)
[   10.825458][  T216]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.825465][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.825468][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.825471][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.825474][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.825476][  T216] RIP: 0033:0x7f4ce24c454e
[   10.825480][  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
[   10.825482][  T216] RSP: 002b:00007ffeb19ee410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.825484][  T216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4ce24c454e
[   10.825486][  T216] RDX: 0000000000000000 RSI: 00007ffeb19ee4c0 RDI: 0000000000000005
[   10.825487][  T216] RBP: 00007ffeb19ee420 R08: 0000000000000000 R09: 0000000000000000
[   10.825488][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fd0
[   10.825488][  T216] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb19eeb80
| [   11.844503][  T262] softirqs last disabled at (23610): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.844505][  T262] Preemption disabled at:
| [   11.844506][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.844515][  T262] Tainted: [W]=WARN
[   11.844516][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.844517][  T262] Call Trace:
[   11.844519][  T262]  <TASK>
[   11.844520][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.844526][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.844528][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.844532][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.844536][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.844541][  T262]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.844543][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.844550][  T262]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.844552][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.844556][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   11.844558][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.844561][  T262]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.844567][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.844571][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.844576][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.844579][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.844584][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.844588][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.844590][  T262]  ? 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))
[   11.844593][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.844595][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.844599][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.844603][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.844605][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.844610][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.844613][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.844615][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.844617][  T262]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.844620][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.844622][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.844625][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.844628][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.844630][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.844631][  T262]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.844636][  T262]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.844639][  T262]  _printk (kernel/printk/printk.c:2504)
[   11.844643][  T262]  ? snapshot_read.cold (user.c:?)
[   11.844647][  T262]  ? br_multicast_flood (??:?)
[   11.844650][  T262]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.844651][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.844652][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.844656][  T262]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.844661][  T262]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.844663][  T262]  new_nbp (net/bridge/br_if.c:449)
[   11.844667][  T262]  br_add_if (net/bridge/br_if.c:592)
[   11.844669][  T262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   11.844676][  T262]  do_set_master (net/core/rtnetlink.c:3071)
[   11.844680][  T262]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.844683][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   11.844685][  T262]  ? __dev_get_by_name (net/core/dev.c:905)
[   11.844687][  T262]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   11.844697][  T262]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.844703][  T262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.844708][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.844710][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.844717][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.844721][  T262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.844723][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.844726][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.844727][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.844732][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.844734][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.844738][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.844741][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.844744][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.844750][  T262]  ? 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))
[   11.844752][  T262]  ? 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))
[   11.844757][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.844761][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.844767][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.844771][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.844774][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.844776][  T262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.844781][  T262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.844785][  T262]  ____sys_sendmsg (net/socket.c:2713)
[   11.844788][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.844790][  T262]  ? sock_write_iter (net/socket.c:1269)
[   11.844792][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   11.844796][  T262]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   11.844799][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.844802][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   11.844804][  T262]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   11.844807][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.844809][  T262]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.844827][  T262]  __sys_sendmsg (net/socket.c:2799)
[   11.844830][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.844836][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.844837][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.844840][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.844844][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.844847][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.844849][  T262] RIP: 0033:0x7f757a9c954e
[   11.844852][  T262] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.844854][  T262] RSP: 002b:00007ffefea4da60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.844856][  T262] RAX: ffffffffffffffda RBX: 00007ffefea4e228 RCX: 00007f757a9c954e
[   11.844858][  T262] RDX: 0000000000000000 RSI: 00007ffefea4db10 RDI: 0000000000000005
[   11.844859][  T262] RBP: 00007ffefea4da70 R08: 0000000000000000 R09: 0000000000000000
[   11.844859][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fd1
[   11.844860][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefea4e1e0
| [   13.026288][  T294] softirqs last disabled at (25832): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.026290][  T294] Preemption disabled at:
| [   13.026291][  T294] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.026299][  T294] Tainted: [W]=WARN
[   13.026300][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.026302][  T294] Call Trace:
[   13.026304][  T294]  <TASK>
[   13.026305][  T294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.026311][  T294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.026313][  T294]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.026318][  T294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.026322][  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)
[   13.026327][  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))
[   13.026329][  T294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.026336][  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)
[   13.026339][  T294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.026342][  T294]  put_chars (drivers/char/virtio_console.c:1176)
[   13.026345][  T294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.026346][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.026350][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.026353][  T294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.026358][  T294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.026362][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.026368][  T294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.026371][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.026376][  T294]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.026380][  T294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.026382][  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))
[   13.026386][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.026387][  T294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.026391][  T294]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.026396][  T294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.026398][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.026403][  T294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.026407][  T294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.026409][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.026410][  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)
[   13.026414][  T294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.026416][  T294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.026419][  T294]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.026422][  T294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.026424][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.026427][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.026431][  T294]  _printk (kernel/printk/printk.c:2504)
[   13.026435][  T294]  ? snapshot_read.cold (user.c:?)
[   13.026438][  T294]  ? br_multicast_flood (??:?)
[   13.026441][  T294]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.026443][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.026444][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.026448][  T294]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.026453][  T294]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.026456][  T294]  new_nbp (net/bridge/br_if.c:449)
[   13.026460][  T294]  br_add_if (net/bridge/br_if.c:592)
[   13.026462][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   13.026470][  T294]  do_set_master (net/core/rtnetlink.c:3071)
[   13.026473][  T294]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.026477][  T294]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   13.026479][  T294]  ? __dev_get_by_name (net/core/dev.c:905)
[   13.026481][  T294]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   13.026491][  T294]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.026500][  T294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.026506][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.026508][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.026515][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.026519][  T294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.026521][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.026524][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.026526][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.026531][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.026533][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.026537][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.026540][  T294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.026543][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.026550][  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))
[   13.026552][  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))
[   13.026557][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.026561][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.026567][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.026572][  T294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.026576][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.026577][  T294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.026583][  T294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.026587][  T294]  ____sys_sendmsg (net/socket.c:2713)
[   13.026589][  T294]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.026592][  T294]  ? sock_write_iter (net/socket.c:1269)
[   13.026593][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   13.026598][  T294]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   13.026601][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.026605][  T294]  ___sys_sendmsg (net/socket.c:2767)
[   13.026607][  T294]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   13.026609][  T294]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.026612][  T294]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   13.026628][  T294]  __sys_sendmsg (net/socket.c:2799)
[   13.026631][  T294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.026636][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.026638][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.026641][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.026645][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.026648][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.026651][  T294] RIP: 0033:0x7f7a9789c54e
[   13.026655][  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
[   13.026657][  T294] RSP: 002b:00007ffc153d81b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.026659][  T294] RAX: ffffffffffffffda RBX: 00007ffc153d8978 RCX: 00007f7a9789c54e
[   13.026661][  T294] RDX: 0000000000000000 RSI: 00007ffc153d8260 RDI: 0000000000000005
[   13.026662][  T294] RBP: 00007ffc153d81c0 R08: 0000000000000000 R09: 0000000000000000
[   13.026663][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fd2
[   13.026663][  T294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc153d8930
| [   14.034326][  T321] softirqs last disabled at (17510): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   14.034329][  T321] Preemption disabled at:
| [   14.034329][  T321] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.034338][  T321] Tainted: [W]=WARN
[   14.034339][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.034340][  T321] Call Trace:
[   14.034342][  T321]  <TASK>
[   14.034343][  T321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.034349][  T321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.034351][  T321]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.034356][  T321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.034360][  T321]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.034364][  T321]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.034366][  T321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.034373][  T321]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.034376][  T321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.034380][  T321]  put_chars (drivers/char/virtio_console.c:1176)
[   14.034382][  T321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.034389][  T321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.034397][  T321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.034401][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.034405][  T321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.034410][  T321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.034412][  T321]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.034415][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034418][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.034422][  T321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.034426][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.034428][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.034434][  T321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.034437][  T321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.034439][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034441][  T321]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.034444][  T321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.034446][  T321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.034449][  T321]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.034452][  T321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.034455][  T321]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   14.034461][  T321]  _printk (kernel/printk/printk.c:2504)
[   14.034464][  T321]  ? snapshot_read.cold (user.c:?)
[   14.034466][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.034469][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.034471][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.034474][  T321]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.034478][  T321]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.034481][  T321]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.034483][  T321]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.034486][  T321]  ? netdev_notice (net/core/dev.c:13194)
[   14.034489][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.034492][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.034495][  T321]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.034502][  T321]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.034504][  T321]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   14.034506][  T321]  ? register_netdev (net/core/dev.c:11618)
[   14.034508][  T321]  ? 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))
[   14.034513][  T321]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   14.034516][  T321]  ? __kernel_text_address (kernel/extable.c:79)
[   14.034518][  T321]  ? write_profile (profile.c:?)
[   14.034522][  T321]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   14.034528][  T321]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   14.034532][  T321]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.034534][  T321]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.034535][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.034537][  T321]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.034540][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.034542][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.034544][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.034547][  T321]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.034548][  T321]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.034550][  T321]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.034551][  T321]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.034553][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.034555][  T321]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.034559][  T321]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.034563][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.034565][  T321]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.034567][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034569][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.034571][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034572][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034574][  T321]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.034576][  T321]  ? __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)
[   14.034577][  T321]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.034579][  T321]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.034583][  T321]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.034584][  T321]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.034589][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034591][  T321]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.034596][  T321]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.034602][  T321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.034604][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.034609][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.034611][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.034613][  T321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.034614][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.034618][  T321]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.034621][  T321]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.034624][  T321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.034625][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.034630][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.034632][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.034635][  T321]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.034639][  T321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.034642][  T321]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.034648][  T321]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.034651][  T321]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.034655][  T321]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.034659][  T321]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.034662][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.034666][  T321]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.034671][  T321]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.034675][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.034676][  T321]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.034682][  T321]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.034685][  T321]  ____sys_sendmsg (net/socket.c:2713)
[   14.034687][  T321]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.034689][  T321]  ? sock_write_iter (net/socket.c:1269)
[   14.034691][  T321]  ? move_addr_to_kernel (net/socket.c:258)
[   14.034699][  T321]  ___sys_sendmsg (net/socket.c:2767)
[   14.034701][  T321]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.034718][  T321]  __sys_sendmsg (net/socket.c:2799)
[   14.034720][  T321]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.034727][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.034730][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.034733][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.034736][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.034738][  T321] RIP: 0033:0x7fe30baf354e
[   14.034742][  T321] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.034744][  T321] RSP: 002b:00007ffe617ac160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.034746][  T321] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe30baf354e
[   14.034748][  T321] RDX: 0000000000000000 RSI: 00007ffe617ac210 RDI: 0000000000000005
[   14.034749][  T321] RBP: 00007ffe617ac170 R08: 0000000000000000 R09: 0000000000000000
[   14.034750][  T321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fd3
[   14.034750][  T321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe617ac8d0
| [   16.057008][  T387] softirqs last disabled at (18170): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   16.057011][  T387] Preemption disabled at:
| [   16.057012][  T387] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.057023][  T387] Tainted: [W]=WARN
[   16.057024][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.057027][  T387] Call Trace:
[   16.057029][  T387]  <TASK>
[   16.057031][  T387]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.057038][  T387]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.057041][  T387]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.057047][  T387]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.057053][  T387]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.057060][  T387]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.057063][  T387]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.057073][  T387]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.057077][  T387]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.057083][  T387]  put_chars (drivers/char/virtio_console.c:1176)
[   16.057087][  T387]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.057089][  T387]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.057094][  T387]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.057098][  T387]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.057107][  T387]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.057112][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.057121][  T387]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.057126][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.057134][  T387]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.057141][  T387]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.057143][  T387]  ? 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))
[   16.057148][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.057152][  T387]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.057158][  T387]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.057165][  T387]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.057168][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.057178][  T387]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.057182][  T387]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.057185][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.057188][  T387]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   16.057194][  T387]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.057197][  T387]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.057202][  T387]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.057207][  T387]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.057210][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.057215][  T387]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.057221][  T387]  _printk (kernel/printk/printk.c:2504)
[   16.057226][  T387]  ? snapshot_read.cold (user.c:?)
[   16.057232][  T387]  ? br_multicast_flood (??:?)
[   16.057236][  T387]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   16.057238][  T387]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   16.057240][  T387]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.057248][  T387]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   16.057255][  T387]  br_init_port (net/bridge/br_stp_if.c:39)
[   16.057259][  T387]  new_nbp (net/bridge/br_if.c:449)
[   16.057265][  T387]  br_add_if (net/bridge/br_if.c:592)
[   16.057268][  T387]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   16.057280][  T387]  do_set_master (net/core/rtnetlink.c:3071)
[   16.057286][  T387]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   16.057292][  T387]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   16.057295][  T387]  ? __dev_get_by_name (net/core/dev.c:905)
[   16.057298][  T387]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   16.057315][  T387]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   16.057327][  T387]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.057337][  T387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.057340][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.057353][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.057359][  T387]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.057363][  T387]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.057369][  T387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.057371][  T387]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.057379][  T387]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.057382][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.057389][  T387]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.057393][  T387]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.057398][  T387]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.057410][  T387]  ? 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))
[   16.057413][  T387]  ? 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))
[   16.057421][  T387]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.057428][  T387]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.057439][  T387]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.057446][  T387]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.057452][  T387]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.057455][  T387]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   16.057464][  T387]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   16.057470][  T387]  ____sys_sendmsg (net/socket.c:2713)
[   16.057473][  T387]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.057477][  T387]  ? sock_write_iter (net/socket.c:1269)
[   16.057479][  T387]  ? move_addr_to_kernel (net/socket.c:258)
[   16.057487][  T387]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   16.057491][  T387]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.057500][  T387]  ___sys_sendmsg (net/socket.c:2767)
[   16.057503][  T387]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   16.057507][  T387]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.057511][  T387]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   16.057539][  T387]  __sys_sendmsg (net/socket.c:2799)
[   16.057544][  T387]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.057553][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.057557][  T387]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.057562][  T387]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.057567][  T387]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.057572][  T387]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.057576][  T387] RIP: 0033:0x7f50b360554e
[   16.057581][  T387] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.057583][  T387] RSP: 002b:00007fffabaea8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.057587][  T387] RAX: ffffffffffffffda RBX: 00007fffabaeb0b8 RCX: 00007f50b360554e
[   16.057589][  T387] RDX: 0000000000000000 RSI: 00007fffabaea9a0 RDI: 0000000000000005
[   16.057590][  T387] RBP: 00007fffabaea900 R08: 0000000000000000 R09: 0000000000000000
[   16.057592][  T387] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fd5
[   16.057593][  T387] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffabaeb070
| [   23.410623][   T12] softirqs last disabled at (25446): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   23.410627][   T12] Preemption disabled at:
| [   23.410628][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.410639][   T12] Tainted: [W]=WARN
[   23.410640][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.410642][   T12] Workqueue: netns cleanup_net
[   23.410647][   T12] Call Trace:
[   23.410649][   T12]  <TASK>
[   23.410652][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.410660][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.410662][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.410669][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.410674][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.410681][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.410684][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.410695][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.410698][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.410704][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   23.410708][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.410714][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   23.410722][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.410727][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.410737][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.410742][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.410751][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.410757][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.410760][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.410766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.410769][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.410776][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.410783][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.410785][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.410795][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.410799][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.410802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.410805][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.410811][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.410814][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.410820][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.410825][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.410827][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   23.410830][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   23.410834][   T12]  ? kthread (kernel/kthread.c:436)
[   23.410838][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   23.410842][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   23.410850][   T12]  _printk (kernel/printk/printk.c:2504)
[   23.410855][   T12]  ? snapshot_read.cold (user.c:?)
[   23.410870][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.410875][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.410882][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.410886][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   23.410894][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.410897][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   23.410901][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   23.410904][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.410908][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   23.410916][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   23.410921][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   23.410931][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   23.410937][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   23.410943][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   23.410949][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.410954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   23.410957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.410962][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   23.410970][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   23.410975][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   23.410981][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.410985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.410992][   T12]  process_one_work (kernel/workqueue.c:3387)
[   23.411004][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   23.411009][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.411023][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   23.411036][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   23.411039][   T12]  kthread (kernel/kthread.c:436)
[   23.411042][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.411047][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.411052][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.411057][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   23.411063][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.411068][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.411072][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.713147][  T537] softirqs last disabled at (23242): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   24.713150][  T537] Preemption disabled at:
| [   24.713150][  T537] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.713159][  T537] Tainted: [W]=WARN
[   24.713159][  T537] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.713161][  T537] Call Trace:
[   24.713163][  T537]  <TASK>
[   24.713164][  T537]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.713170][  T537]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.713172][  T537]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.713176][  T537]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.713181][  T537]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.713185][  T537]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.713187][  T537]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.713193][  T537]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.713196][  T537]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.713200][  T537]  put_chars (drivers/char/virtio_console.c:1176)
[   24.713202][  T537]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.713209][  T537]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.713216][  T537]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.713219][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.713223][  T537]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.713228][  T537]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.713230][  T537]  ? 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))
[   24.713233][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713236][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.713239][  T537]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.713244][  T537]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.713245][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.713251][  T537]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.713253][  T537]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.713255][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713257][  T537]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.713261][  T537]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.713262][  T537]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.713265][  T537]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.713268][  T537]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.713271][  T537]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   24.713276][  T537]  _printk (kernel/printk/printk.c:2504)
[   24.713280][  T537]  ? snapshot_read.cold (user.c:?)
[   24.713281][  T537]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.713284][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.713286][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.713289][  T537]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.713293][  T537]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.713295][  T537]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.713298][  T537]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.713300][  T537]  ? netdev_notice (net/core/dev.c:13194)
[   24.713303][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.713306][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.713309][  T537]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.713312][  T537]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.713314][  T537]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   24.713316][  T537]  ? register_netdev (net/core/dev.c:11618)
[   24.713317][  T537]  ? 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))
[   24.713323][  T537]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   24.713325][  T537]  ? __kernel_text_address (kernel/extable.c:79)
[   24.713328][  T537]  ? write_profile (profile.c:?)
[   24.713332][  T537]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   24.713337][  T537]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   24.713341][  T537]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.713343][  T537]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.713344][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.713346][  T537]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.713349][  T537]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.713351][  T537]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.713353][  T537]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.713355][  T537]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.713357][  T537]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.713358][  T537]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.713360][  T537]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.713362][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.713364][  T537]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.713367][  T537]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.713371][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.713373][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.713376][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713377][  T537]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.713379][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713380][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713382][  T537]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.713384][  T537]  ? __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)
[   24.713385][  T537]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.713387][  T537]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.713390][  T537]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.713391][  T537]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.713396][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713398][  T537]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.713404][  T537]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.713409][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.713411][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.713415][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.713417][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.713419][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.713421][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.713425][  T537]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.713427][  T537]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.713430][  T537]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.713431][  T537]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.713435][  T537]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.713437][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.713441][  T537]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.713444][  T537]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.713447][  T537]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.713453][  T537]  ? 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))
[   24.713456][  T537]  ? 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))
[   24.713460][  T537]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.713464][  T537]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.713467][  T537]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.713471][  T537]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.713475][  T537]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.713478][  T537]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.713480][  T537]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.713485][  T537]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.713488][  T537]  ____sys_sendmsg (net/socket.c:2713)
[   24.713490][  T537]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.713493][  T537]  ? sock_write_iter (net/socket.c:1269)
[   24.713494][  T537]  ? move_addr_to_kernel (net/socket.c:258)
[   24.713505][  T537]  ___sys_sendmsg (net/socket.c:2767)
[   24.713508][  T537]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.713523][  T537]  __sys_sendmsg (net/socket.c:2799)
[   24.713526][  T537]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.713532][  T537]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.713535][  T537]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.713538][  T537]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.713541][  T537]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.713543][  T537] RIP: 0033:0x7f891e5a954e
[   24.713547][  T537] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.713549][  T537] RSP: 002b:00007fffe0ad0bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.713551][  T537] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f891e5a954e
[   24.713553][  T537] RDX: 0000000000000000 RSI: 00007fffe0ad0c60 RDI: 0000000000000005
[   24.713553][  T537] RBP: 00007fffe0ad0bc0 R08: 0000000000000000 R09: 0000000000000000
[   24.713554][  T537] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fde
[   24.713555][  T537] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe0ad1320
| [   26.746805][  T611] softirqs last disabled at (29668): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   26.746807][  T611] Preemption disabled at:
| [   26.746808][  T611] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.746816][  T611] Tainted: [W]=WARN
[   26.746817][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.746818][  T611] Call Trace:
[   26.746820][  T611]  <TASK>
[   26.746821][  T611]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.746828][  T611]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.746829][  T611]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.746834][  T611]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.746838][  T611]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.746842][  T611]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.746844][  T611]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.746851][  T611]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.746854][  T611]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.746858][  T611]  put_chars (drivers/char/virtio_console.c:1176)
[   26.746860][  T611]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.746862][  T611]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.746865][  T611]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.746868][  T611]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.746878][  T611]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.746882][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.746887][  T611]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.746890][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.746895][  T611]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.746899][  T611]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.746901][  T611]  ? 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))
[   26.746904][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.746906][  T611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.746910][  T611]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.746914][  T611]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.746916][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.746922][  T611]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.746925][  T611]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.746927][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.746928][  T611]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.746932][  T611]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.746934][  T611]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.746937][  T611]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.746940][  T611]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.746942][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.746945][  T611]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.746948][  T611]  _printk (kernel/printk/printk.c:2504)
[   26.746952][  T611]  ? snapshot_read.cold (user.c:?)
[   26.746956][  T611]  ? br_multicast_flood (??:?)
[   26.746959][  T611]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   26.746960][  T611]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   26.746961][  T611]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.746966][  T611]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.746970][  T611]  br_init_port (net/bridge/br_stp_if.c:39)
[   26.746973][  T611]  new_nbp (net/bridge/br_if.c:449)
[   26.746977][  T611]  br_add_if (net/bridge/br_if.c:592)
[   26.746979][  T611]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   26.746988][  T611]  do_set_master (net/core/rtnetlink.c:3071)
[   26.746993][  T611]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   26.746996][  T611]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   26.746998][  T611]  ? __dev_get_by_name (net/core/dev.c:905)
[   26.747000][  T611]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   26.747010][  T611]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   26.747017][  T611]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.747022][  T611]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.747024][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.747031][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.747035][  T611]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.747037][  T611]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.747040][  T611]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.747042][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.747046][  T611]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.747048][  T611]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.747052][  T611]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.747055][  T611]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.747058][  T611]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.747065][  T611]  ? 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))
[   26.747067][  T611]  ? 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))
[   26.747071][  T611]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.747076][  T611]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.747082][  T611]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.747086][  T611]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.747090][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.747091][  T611]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.747097][  T611]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.747101][  T611]  ____sys_sendmsg (net/socket.c:2713)
[   26.747103][  T611]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.747105][  T611]  ? sock_write_iter (net/socket.c:1269)
[   26.747107][  T611]  ? move_addr_to_kernel (net/socket.c:258)
[   26.747112][  T611]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   26.747114][  T611]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.747118][  T611]  ___sys_sendmsg (net/socket.c:2767)
[   26.747120][  T611]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   26.747122][  T611]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.747125][  T611]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   26.747140][  T611]  __sys_sendmsg (net/socket.c:2799)
[   26.747143][  T611]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.747149][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.747150][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.747154][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.747157][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.747160][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.747163][  T611] RIP: 0033:0x7f145371454e
[   26.747166][  T611] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.747168][  T611] RSP: 002b:00007ffdc24cc4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.747171][  T611] RAX: ffffffffffffffda RBX: 00007ffdc24ccc68 RCX: 00007f145371454e
[   26.747172][  T611] RDX: 0000000000000000 RSI: 00007ffdc24cc550 RDI: 0000000000000005
[   26.747173][  T611] RBP: 00007ffdc24cc4b0 R08: 0000000000000000 R09: 0000000000000000
[   26.747174][  T611] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fe0
[   26.747175][  T611] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc24ccc20
| [   28.062611][  T648] softirqs last disabled at (13990): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   28.062614][  T648] Preemption disabled at:
| [   28.062615][  T648] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.062627][  T648] Tainted: [W]=WARN
[   28.062628][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.062630][  T648] Call Trace:
[   28.062633][  T648]  <TASK>
[   28.062636][  T648]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.062644][  T648]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.062647][  T648]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.062653][  T648]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.062659][  T648]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.062666][  T648]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.062670][  T648]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.062680][  T648]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.062684][  T648]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.062690][  T648]  put_chars (drivers/char/virtio_console.c:1176)
[   28.062694][  T648]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.062706][  T648]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.062718][  T648]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.062724][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.062732][  T648]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.062738][  T648]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.062741][  T648]  ? 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))
[   28.062746][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.062751][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.062758][  T648]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.062765][  T648]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.062768][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.062778][  T648]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.062783][  T648]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.062785][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.062788][  T648]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.062795][  T648]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.062798][  T648]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.062803][  T648]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.062808][  T648]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.062813][  T648]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   28.062821][  T648]  _printk (kernel/printk/printk.c:2504)
[   28.062826][  T648]  ? snapshot_read.cold (user.c:?)
[   28.062829][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.062834][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.062838][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.062841][  T648]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.062846][  T648]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.062851][  T648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.062855][  T648]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.062859][  T648]  ? netdev_notice (net/core/dev.c:13194)
[   28.062864][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.062869][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.062874][  T648]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.062887][  T648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.062891][  T648]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   28.062894][  T648]  ? register_netdev (net/core/dev.c:11618)
[   28.062896][  T648]  ? 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))
[   28.062905][  T648]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   28.062909][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   28.062913][  T648]  ? write_profile (profile.c:?)
[   28.062919][  T648]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   28.062928][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   28.062935][  T648]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.062938][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.062941][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.062944][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.062949][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.062952][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.062955][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.062959][  T648]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.062962][  T648]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.062964][  T648]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.062967][  T648]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.062971][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.062974][  T648]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.062978][  T648]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.062985][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.062990][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.062995][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.062998][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.063001][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.063003][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.063006][  T648]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.063010][  T648]  ? __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)
[   28.063012][  T648]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.063015][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.063022][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.063024][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.063032][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.063036][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.063046][  T648]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.063056][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.063059][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.063067][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.063070][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.063074][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.063077][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.063084][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.063087][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.063093][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.063095][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.063104][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.063107][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.063113][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.063118][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.063123][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.063135][  T648]  ? 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))
[   28.063139][  T648]  ? 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))
[   28.063147][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.063154][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.063158][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.063166][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.063173][  T648]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.063180][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.063183][  T648]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.063191][  T648]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.063196][  T648]  ____sys_sendmsg (net/socket.c:2713)
[   28.063200][  T648]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.063204][  T648]  ? sock_write_iter (net/socket.c:1269)
[   28.063206][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   28.063220][  T648]  ___sys_sendmsg (net/socket.c:2767)
[   28.063225][  T648]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.063256][  T648]  __sys_sendmsg (net/socket.c:2799)
[   28.063261][  T648]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.063273][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.063278][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.063283][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.063287][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.063291][  T648] RIP: 0033:0x7f71d678254e
[   28.063296][  T648] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.063298][  T648] RSP: 002b:00007fff1f552820 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.063302][  T648] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f71d678254e
[   28.063304][  T648] RDX: 0000000000000000 RSI: 00007fff1f5528d0 RDI: 0000000000000005
[   28.063306][  T648] RBP: 00007fff1f552830 R08: 0000000000000000 R09: 0000000000000000
[   28.063307][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fe1
[   28.063309][  T648] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1f552f90
| [   30.121141][  T714] softirqs last disabled at (19736): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   30.121144][  T714] Preemption disabled at:
| [   30.121145][  T714] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.121156][  T714] Tainted: [W]=WARN
[   30.121158][  T714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.121160][  T714] Call Trace:
[   30.121162][  T714]  <TASK>
[   30.121164][  T714]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.121172][  T714]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.121174][  T714]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.121180][  T714]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.121186][  T714]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.121193][  T714]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.121196][  T714]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.121206][  T714]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.121210][  T714]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.121216][  T714]  put_chars (drivers/char/virtio_console.c:1176)
[   30.121220][  T714]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.121222][  T714]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.121228][  T714]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.121231][  T714]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.121240][  T714]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.121245][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.121255][  T714]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.121260][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.121269][  T714]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.121276][  T714]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.121278][  T714]  ? 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))
[   30.121284][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.121287][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.121294][  T714]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.121301][  T714]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.121304][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.121314][  T714]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.121319][  T714]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.121321][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.121324][  T714]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.121331][  T714]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.121334][  T714]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.121339][  T714]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.121345][  T714]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.121348][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.121353][  T714]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.121359][  T714]  _printk (kernel/printk/printk.c:2504)
[   30.121365][  T714]  ? snapshot_read.cold (user.c:?)
[   30.121371][  T714]  ? br_multicast_flood (??:?)
[   30.121375][  T714]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   30.121377][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   30.121379][  T714]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.121387][  T714]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   30.121394][  T714]  br_init_port (net/bridge/br_stp_if.c:39)
[   30.121399][  T714]  new_nbp (net/bridge/br_if.c:449)
[   30.121405][  T714]  br_add_if (net/bridge/br_if.c:592)
[   30.121408][  T714]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   30.121421][  T714]  do_set_master (net/core/rtnetlink.c:3071)
[   30.121428][  T714]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   30.121434][  T714]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   30.121437][  T714]  ? __dev_get_by_name (net/core/dev.c:905)
[   30.121440][  T714]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   30.121457][  T714]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   30.121470][  T714]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.121480][  T714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.121483][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.121499][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.121506][  T714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.121510][  T714]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.121516][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.121518][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.121526][  T714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.121530][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.121537][  T714]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.121541][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.121546][  T714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.121558][  T714]  ? 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))
[   30.121561][  T714]  ? 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))
[   30.121570][  T714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.121577][  T714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.121587][  T714]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.121595][  T714]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.121601][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.121604][  T714]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.121613][  T714]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.121619][  T714]  ____sys_sendmsg (net/socket.c:2713)
[   30.121623][  T714]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.121626][  T714]  ? sock_write_iter (net/socket.c:1269)
[   30.121629][  T714]  ? move_addr_to_kernel (net/socket.c:258)
[   30.121637][  T714]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   30.121641][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.121648][  T714]  ___sys_sendmsg (net/socket.c:2767)
[   30.121650][  T714]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   30.121655][  T714]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.121659][  T714]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   30.121688][  T714]  __sys_sendmsg (net/socket.c:2799)
[   30.121693][  T714]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.121703][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.121706][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.121712][  T714]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.121717][  T714]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.121721][  T714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.121725][  T714] RIP: 0033:0x7f5a3756154e
[   30.121730][  T714] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.121733][  T714] RSP: 002b:00007ffed56f88d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.121737][  T714] RAX: ffffffffffffffda RBX: 00007ffed56f9098 RCX: 00007f5a3756154e
[   30.121739][  T714] RDX: 0000000000000000 RSI: 00007ffed56f8980 RDI: 0000000000000005
[   30.121740][  T714] RBP: 00007ffed56f88e0 R08: 0000000000000000 R09: 0000000000000000
[   30.121742][  T714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fe3
[   30.121743][  T714] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed56f9050
| [   37.518205][   T12] softirqs last disabled at (304754): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   37.518207][   T12] Preemption disabled at:
| [   37.518208][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.518216][   T12] Tainted: [W]=WARN
[   37.518217][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.518219][   T12] Workqueue: netns cleanup_net
[   37.518222][   T12] Call Trace:
[   37.518224][   T12]  <TASK>
[   37.518226][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.518232][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.518234][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.518238][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.518242][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.518247][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   37.518249][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.518255][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.518258][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.518262][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   37.518264][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.518266][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.518269][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.518272][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.518277][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.518281][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.518286][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.518289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.518294][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.518298][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.518300][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   37.518303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.518305][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.518309][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.518313][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.518315][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.518321][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.518323][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.518325][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.518327][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   37.518331][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.518333][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.518335][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.518339][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.518340][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   37.518342][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   37.518344][   T12]  ? kthread (kernel/kthread.c:436)
[   37.518346][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   37.518349][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   37.518353][   T12]  _printk (kernel/printk/printk.c:2504)
[   37.518357][   T12]  ? snapshot_read.cold (user.c:?)
[   37.518361][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.518365][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.518369][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.518372][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   37.518376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.518378][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   37.518381][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   37.518383][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   37.518385][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   37.518389][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   37.518393][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   37.518399][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   37.518403][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   37.518406][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   37.518410][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   37.518414][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   37.518415][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.518418][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   37.518423][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   37.518426][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   37.518430][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.518432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.518436][   T12]  process_one_work (kernel/workqueue.c:3387)
[   37.518442][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   37.518445][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.518453][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   37.518460][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   37.518462][   T12]  kthread (kernel/kthread.c:436)
[   37.518464][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.518468][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   37.518471][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.518473][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   37.518477][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.518480][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   37.518483][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   38.874363][  T862] softirqs last disabled at (21862): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.874366][  T862] Preemption disabled at:
| [   38.874366][  T862] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.874375][  T862] Tainted: [W]=WARN
[   38.874376][  T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.874377][  T862] Call Trace:
[   38.874379][  T862]  <TASK>
[   38.874381][  T862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.874386][  T862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.874388][  T862]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.874392][  T862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.874396][  T862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.874401][  T862]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.874403][  T862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.874409][  T862]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.874412][  T862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.874416][  T862]  put_chars (drivers/char/virtio_console.c:1176)
[   38.874418][  T862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.874424][  T862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.874432][  T862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.874435][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874439][  T862]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.874443][  T862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.874445][  T862]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   38.874448][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874451][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874455][  T862]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.874459][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.874461][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.874466][  T862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.874469][  T862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.874471][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874472][  T862]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.874476][  T862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.874478][  T862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.874481][  T862]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.874484][  T862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.874486][  T862]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   38.874491][  T862]  _printk (kernel/printk/printk.c:2504)
[   38.874494][  T862]  ? snapshot_read.cold (user.c:?)
[   38.874499][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.874502][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.874504][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.874506][  T862]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.874510][  T862]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.874513][  T862]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.874515][  T862]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.874518][  T862]  ? netdev_notice (net/core/dev.c:13194)
[   38.874521][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.874524][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.874526][  T862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.874530][  T862]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.874532][  T862]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.874534][  T862]  ? register_netdev (net/core/dev.c:11618)
[   38.874536][  T862]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   38.874541][  T862]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.874543][  T862]  ? __kernel_text_address (kernel/extable.c:79)
[   38.874546][  T862]  ? write_profile (profile.c:?)
[   38.874550][  T862]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.874555][  T862]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.874559][  T862]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.874561][  T862]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.874562][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.874564][  T862]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.874567][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.874569][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.874571][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.874573][  T862]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.874575][  T862]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.874576][  T862]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.874577][  T862]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.874579][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.874581][  T862]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.874584][  T862]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.874588][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.874590][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.874592][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874594][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.874596][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874597][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874599][  T862]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.874601][  T862]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.874602][  T862]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.874604][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.874607][  T862]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.874608][  T862]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.874613][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874615][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.874620][  T862]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.874626][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.874627][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.874632][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.874634][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.874636][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.874638][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.874641][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.874644][  T862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.874647][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.874648][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.874652][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.874654][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.874658][  T862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.874661][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.874664][  T862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.874670][  T862]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.874672][  T862]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.874676][  T862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.874681][  T862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.874683][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.874687][  T862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.874691][  T862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.874695][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.874697][  T862]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.874702][  T862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.874704][  T862]  ____sys_sendmsg (net/socket.c:2713)
[   38.874707][  T862]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.874709][  T862]  ? sock_write_iter (net/socket.c:1269)
[   38.874710][  T862]  ? move_addr_to_kernel (net/socket.c:258)
[   38.874718][  T862]  ___sys_sendmsg (net/socket.c:2767)
[   38.874720][  T862]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.874736][  T862]  __sys_sendmsg (net/socket.c:2799)
[   38.874739][  T862]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.874745][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.874748][  T862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.874751][  T862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.874754][  T862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.874756][  T862] RIP: 0033:0x7f09f363654e
[   38.874760][  T862] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.874761][  T862] RSP: 002b:00007ffc42dce6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.874764][  T862] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f09f363654e
[   38.874765][  T862] RDX: 0000000000000000 RSI: 00007ffc42dce790 RDI: 0000000000000005
[   38.874766][  T862] RBP: 00007ffc42dce6f0 R08: 0000000000000000 R09: 0000000000000000
[   38.874767][  T862] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fec
[   38.874768][  T862] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc42dcee50
| [   40.929491][  T938] softirqs last disabled at (19414): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   40.929493][  T938] Preemption disabled at:
| [   40.929494][  T938] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.929504][  T938] Tainted: [W]=WARN
[   40.929505][  T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.929507][  T938] Call Trace:
[   40.929509][  T938]  <TASK>
[   40.929510][  T938]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.929517][  T938]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.929519][  T938]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.929523][  T938]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.929527][  T938]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.929532][  T938]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.929534][  T938]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.929540][  T938]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.929543][  T938]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.929547][  T938]  put_chars (drivers/char/virtio_console.c:1176)
[   40.929550][  T938]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.929551][  T938]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.929554][  T938]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.929557][  T938]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.929562][  T938]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.929566][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.929571][  T938]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.929574][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.929579][  T938]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.929583][  T938]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.929585][  T938]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   40.929588][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.929590][  T938]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.929594][  T938]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.929598][  T938]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.929600][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.929605][  T938]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.929608][  T938]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.929610][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.929612][  T938]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.929616][  T938]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.929617][  T938]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.929620][  T938]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.929623][  T938]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.929625][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.929628][  T938]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.929631][  T938]  _printk (kernel/printk/printk.c:2504)
[   40.929635][  T938]  ? snapshot_read.cold (user.c:?)
[   40.929639][  T938]  ? br_multicast_flood (??:?)
[   40.929642][  T938]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   40.929643][  T938]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   40.929644][  T938]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.929649][  T938]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   40.929653][  T938]  br_init_port (net/bridge/br_stp_if.c:39)
[   40.929655][  T938]  new_nbp (net/bridge/br_if.c:449)
[   40.929659][  T938]  br_add_if (net/bridge/br_if.c:592)
[   40.929661][  T938]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   40.929669][  T938]  do_set_master (net/core/rtnetlink.c:3071)
[   40.929673][  T938]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   40.929676][  T938]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   40.929678][  T938]  ? __dev_get_by_name (net/core/dev.c:905)
[   40.929680][  T938]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   40.929690][  T938]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   40.929696][  T938]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.929702][  T938]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.929704][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.929711][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.929715][  T938]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.929717][  T938]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.929720][  T938]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.929721][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.929726][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.929728][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.929731][  T938]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.929735][  T938]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.929738][  T938]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.929744][  T938]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.929746][  T938]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.929751][  T938]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.929755][  T938]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.929761][  T938]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.929765][  T938]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.929769][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.929770][  T938]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.929776][  T938]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.929780][  T938]  ____sys_sendmsg (net/socket.c:2713)
[   40.929782][  T938]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.929785][  T938]  ? sock_write_iter (net/socket.c:1269)
[   40.929786][  T938]  ? move_addr_to_kernel (net/socket.c:258)
[   40.929791][  T938]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   40.929793][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.929797][  T938]  ___sys_sendmsg (net/socket.c:2767)
[   40.929799][  T938]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   40.929801][  T938]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.929804][  T938]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   40.929819][  T938]  __sys_sendmsg (net/socket.c:2799)
[   40.929822][  T938]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.929828][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.929830][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.929833][  T938]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.929836][  T938]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.929839][  T938]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.929841][  T938] RIP: 0033:0x7f38ab0f754e
[   40.929845][  T938] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.929847][  T938] RSP: 002b:00007ffc39400420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.929849][  T938] RAX: ffffffffffffffda RBX: 00007ffc39400be8 RCX: 00007f38ab0f754e
[   40.929851][  T938] RDX: 0000000000000000 RSI: 00007ffc394004d0 RDI: 0000000000000005
[   40.929852][  T938] RBP: 00007ffc39400430 R08: 0000000000000000 R09: 0000000000000000
[   40.929852][  T938] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fee
[   40.929853][  T938] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc39400ba0
| [   42.238101][  T975] softirqs last disabled at (28054): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   42.238104][  T975] Preemption disabled at:
| [   42.238104][  T975] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.238113][  T975] Tainted: [W]=WARN
[   42.238114][  T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.238115][  T975] Call Trace:
[   42.238117][  T975]  <TASK>
[   42.238118][  T975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.238124][  T975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.238126][  T975]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.238130][  T975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.238135][  T975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.238139][  T975]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   42.238141][  T975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.238147][  T975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   42.238150][  T975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.238154][  T975]  put_chars (drivers/char/virtio_console.c:1176)
[   42.238157][  T975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.238163][  T975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.238170][  T975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.238174][  T975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.238178][  T975]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.238182][  T975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.238184][  T975]  ? 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))
[   42.238187][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238190][  T975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.238194][  T975]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.238199][  T975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.238200][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.238206][  T975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.238209][  T975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.238210][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238212][  T975]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   42.238216][  T975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.238217][  T975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.238220][  T975]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.238223][  T975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.238226][  T975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   42.238231][  T975]  _printk (kernel/printk/printk.c:2504)
[   42.238235][  T975]  ? snapshot_read.cold (user.c:?)
[   42.238236][  T975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.238239][  T975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.238242][  T975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.238244][  T975]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   42.238247][  T975]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   42.238250][  T975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.238252][  T975]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   42.238255][  T975]  ? netdev_notice (net/core/dev.c:13194)
[   42.238258][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.238261][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.238264][  T975]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.238267][  T975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.238269][  T975]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   42.238272][  T975]  ? register_netdev (net/core/dev.c:11618)
[   42.238273][  T975]  ? 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))
[   42.238279][  T975]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   42.238281][  T975]  ? __kernel_text_address (kernel/extable.c:79)
[   42.238284][  T975]  ? write_profile (profile.c:?)
[   42.238288][  T975]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   42.238294][  T975]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   42.238297][  T975]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.238300][  T975]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.238301][  T975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.238303][  T975]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.238306][  T975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.238308][  T975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.238310][  T975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.238312][  T975]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.238314][  T975]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.238316][  T975]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.238317][  T975]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   42.238319][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.238321][  T975]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   42.238324][  T975]  ? ___sys_sendmsg (net/socket.c:2758)
[   42.238328][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.238330][  T975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.238333][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238334][  T975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.238336][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238337][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238339][  T975]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.238341][  T975]  ? __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)
[   42.238342][  T975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.238344][  T975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.238347][  T975]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.238349][  T975]  ? nla_get_range_signed (lib/nlattr.c:270)
[   42.238353][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238356][  T975]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.238361][  T975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.238366][  T975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.238368][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.238373][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.238374][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.238376][  T975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.238378][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.238382][  T975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.238384][  T975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.238387][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.238388][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.238393][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.238395][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.238398][  T975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.238402][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.238404][  T975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.238411][  T975]  ? 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))
[   42.238413][  T975]  ? 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))
[   42.238418][  T975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.238422][  T975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.238424][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.238428][  T975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.238432][  T975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.238436][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.238438][  T975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   42.238443][  T975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.238446][  T975]  ____sys_sendmsg (net/socket.c:2713)
[   42.238448][  T975]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.238450][  T975]  ? sock_write_iter (net/socket.c:1269)
[   42.238452][  T975]  ? move_addr_to_kernel (net/socket.c:258)
[   42.238459][  T975]  ___sys_sendmsg (net/socket.c:2767)
[   42.238462][  T975]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.238478][  T975]  __sys_sendmsg (net/socket.c:2799)
[   42.238481][  T975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.238487][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.238490][  T975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.238493][  T975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.238499][  T975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.238502][  T975] RIP: 0033:0x7f9ff57d654e
[   42.238506][  T975] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   42.238507][  T975] RSP: 002b:00007fffab3f5270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.238510][  T975] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9ff57d654e
[   42.238511][  T975] RDX: 0000000000000000 RSI: 00007fffab3f5320 RDI: 0000000000000005
[   42.238512][  T975] RBP: 00007fffab3f5280 R08: 0000000000000000 R09: 0000000000000000
[   42.238513][  T975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fef
[   42.238514][  T975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffab3f59e0
| [   44.279773][ T1041] softirqs last disabled at (24820): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.279775][ T1041] Preemption disabled at:
| [   44.279776][ T1041] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.279784][ T1041] Tainted: [W]=WARN
[   44.279785][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.279786][ T1041] Call Trace:
[   44.279788][ T1041]  <TASK>
[   44.279790][ T1041]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.279796][ T1041]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.279797][ T1041]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.279802][ T1041]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.279806][ T1041]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.279810][ T1041]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.279812][ T1041]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.279819][ T1041]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.279821][ T1041]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.279825][ T1041]  put_chars (drivers/char/virtio_console.c:1176)
[   44.279828][ T1041]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.279830][ T1041]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.279835][ T1041]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.279839][ T1041]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.279844][ T1041]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.279848][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.279853][ T1041]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.279856][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.279860][ T1041]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.279864][ T1041]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.279866][ T1041]  ? 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))
[   44.279869][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.279871][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.279875][ T1041]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.279879][ T1041]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.279881][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.279886][ T1041]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.279889][ T1041]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.279891][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.279893][ T1041]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   44.279896][ T1041]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.279898][ T1041]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.279901][ T1041]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.279904][ T1041]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.279906][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.279908][ T1041]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.279912][ T1041]  _printk (kernel/printk/printk.c:2504)
[   44.279915][ T1041]  ? snapshot_read.cold (user.c:?)
[   44.279919][ T1041]  ? br_multicast_flood (??:?)
[   44.279922][ T1041]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   44.279923][ T1041]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   44.279924][ T1041]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.279928][ T1041]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   44.279933][ T1041]  br_init_port (net/bridge/br_stp_if.c:39)
[   44.279935][ T1041]  new_nbp (net/bridge/br_if.c:449)
[   44.279944][ T1041]  br_add_if (net/bridge/br_if.c:592)
[   44.279946][ T1041]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   44.279954][ T1041]  do_set_master (net/core/rtnetlink.c:3071)
[   44.279957][ T1041]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   44.279961][ T1041]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   44.279962][ T1041]  ? __dev_get_by_name (net/core/dev.c:905)
[   44.279965][ T1041]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   44.279974][ T1041]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   44.279980][ T1041]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.279986][ T1041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.279988][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.279996][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.280003][ T1041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.280006][ T1041]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.280009][ T1041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.280011][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.280015][ T1041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.280017][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.280021][ T1041]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.280024][ T1041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.280027][ T1041]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.280033][ T1041]  ? 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))
[   44.280035][ T1041]  ? 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))
[   44.280040][ T1041]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.280044][ T1041]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.280049][ T1041]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.280053][ T1041]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.280057][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.280059][ T1041]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.280064][ T1041]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.280068][ T1041]  ____sys_sendmsg (net/socket.c:2713)
[   44.280070][ T1041]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.280072][ T1041]  ? sock_write_iter (net/socket.c:1269)
[   44.280074][ T1041]  ? move_addr_to_kernel (net/socket.c:258)
[   44.280078][ T1041]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   44.280081][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.280085][ T1041]  ___sys_sendmsg (net/socket.c:2767)
[   44.280086][ T1041]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   44.280089][ T1041]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.280091][ T1041]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   44.280106][ T1041]  __sys_sendmsg (net/socket.c:2799)
[   44.280109][ T1041]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.280114][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.280116][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.280119][ T1041]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.280123][ T1041]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.280126][ T1041]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.280128][ T1041] RIP: 0033:0x7fb5221fb54e
[   44.280131][ T1041] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.280133][ T1041] RSP: 002b:00007ffdd90d0cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.280136][ T1041] RAX: ffffffffffffffda RBX: 00007ffdd90d1478 RCX: 00007fb5221fb54e
[   44.280137][ T1041] RDX: 0000000000000000 RSI: 00007ffdd90d0d60 RDI: 0000000000000005
[   44.280138][ T1041] RBP: 00007ffdd90d0cc0 R08: 0000000000000000 R09: 0000000000000000
[   44.280139][ T1041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ff1
[   44.280139][ T1041] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd90d1430
| [   51.474551][   T12] softirqs last disabled at (583748): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   51.474555][   T12] Preemption disabled at:
| [   51.474556][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.474568][   T12] Tainted: [W]=WARN
[   51.474569][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.474571][   T12] Workqueue: netns cleanup_net
[   51.474576][   T12] Call Trace:
[   51.474578][   T12]  <TASK>
[   51.474581][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.474588][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.474591][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.474598][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.474604][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.474611][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.474614][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.474625][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.474628][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.474635][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   51.474639][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.474641][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.474647][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.474651][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.474661][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.474666][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.474676][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.474682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.474691][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.474698][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.474701][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   51.474707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.474710][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.474718][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.474725][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.474728][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.474739][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.474744][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.474747][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.474750][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   51.474757][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.474760][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.474766][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.474772][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.474774][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   51.474777][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   51.474780][   T12]  ? kthread (kernel/kthread.c:436)
[   51.474783][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   51.474787][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   51.474795][   T12]  _printk (kernel/printk/printk.c:2504)
[   51.474801][   T12]  ? snapshot_read.cold (user.c:?)
[   51.474809][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.474814][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.474821][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.474826][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   51.474834][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.474838][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   51.474842][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   51.474846][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   51.474851][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   51.474858][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   51.474864][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   51.474875][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   51.474881][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   51.474887][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   51.474894][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   51.474899][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   51.474901][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.474907][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   51.474915][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   51.474921][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   51.474927][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.474931][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.474937][   T12]  process_one_work (kernel/workqueue.c:3387)
[   51.474950][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   51.474955][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.474975][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   51.474988][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   51.474992][   T12]  kthread (kernel/kthread.c:436)
[   51.474995][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   51.474999][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   51.475005][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   51.475010][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   51.475016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   51.475021][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   51.475026][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   52.734058][ T1189] softirqs last disabled at (19592): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   52.734061][ T1189] Preemption disabled at:
| [   52.734061][ T1189] vprintk_emit (kernel/printk/printk.c:2471)
| [   52.734070][ T1189] Tainted: [W]=WARN
[   52.734071][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.734072][ T1189] Call Trace:
[   52.734074][ T1189]  <TASK>
[   52.734075][ T1189]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.734081][ T1189]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   52.734083][ T1189]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.734087][ T1189]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.734092][ T1189]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.734096][ T1189]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.734098][ T1189]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.734105][ T1189]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.734108][ T1189]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.734112][ T1189]  put_chars (drivers/char/virtio_console.c:1176)
[   52.734114][ T1189]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.734121][ T1189]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.734128][ T1189]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.734132][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.734136][ T1189]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.734141][ T1189]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.734142][ T1189]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   52.734146][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734148][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.734152][ T1189]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.734157][ T1189]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.734159][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.734164][ T1189]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.734167][ T1189]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.734169][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734171][ T1189]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   52.734177][ T1189]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.734180][ T1189]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.734184][ T1189]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.734188][ T1189]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.734191][ T1189]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   52.734196][ T1189]  _printk (kernel/printk/printk.c:2504)
[   52.734199][ T1189]  ? snapshot_read.cold (user.c:?)
[   52.734201][ T1189]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.734204][ T1189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.734206][ T1189]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.734209][ T1189]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   52.734212][ T1189]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   52.734215][ T1189]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.734217][ T1189]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   52.734220][ T1189]  ? netdev_notice (net/core/dev.c:13194)
[   52.734223][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.734226][ T1189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.734229][ T1189]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.734232][ T1189]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.734235][ T1189]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   52.734237][ T1189]  ? register_netdev (net/core/dev.c:11618)
[   52.734238][ T1189]  ? 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))
[   52.734244][ T1189]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   52.734246][ T1189]  ? __kernel_text_address (kernel/extable.c:79)
[   52.734249][ T1189]  ? write_profile (profile.c:?)
[   52.734253][ T1189]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   52.734259][ T1189]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   52.734262][ T1189]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.734264][ T1189]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.734265][ T1189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.734267][ T1189]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.734271][ T1189]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.734273][ T1189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.734274][ T1189]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.734277][ T1189]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.734279][ T1189]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.734280][ T1189]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.734281][ T1189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   52.734284][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.734285][ T1189]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   52.734289][ T1189]  ? ___sys_sendmsg (net/socket.c:2758)
[   52.734292][ T1189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.734295][ T1189]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.734297][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734299][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.734301][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734302][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734303][ T1189]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.734306][ T1189]  ? __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)
[   52.734307][ T1189]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.734309][ T1189]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.734312][ T1189]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.734313][ T1189]  ? nla_get_range_signed (lib/nlattr.c:270)
[   52.734318][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734321][ T1189]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.734326][ T1189]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.734331][ T1189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.734333][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.734338][ T1189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.734340][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.734342][ T1189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.734344][ T1189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.734347][ T1189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.734349][ T1189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.734353][ T1189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.734354][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.734360][ T1189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.734363][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.734368][ T1189]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.734373][ T1189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.734376][ T1189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.734386][ T1189]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   52.734388][ T1189]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   52.734393][ T1189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.734397][ T1189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.734399][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.734404][ T1189]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.734408][ T1189]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.734412][ T1189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.734413][ T1189]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   52.734419][ T1189]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   52.734422][ T1189]  ____sys_sendmsg (net/socket.c:2713)
[   52.734424][ T1189]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.734427][ T1189]  ? sock_write_iter (net/socket.c:1269)
[   52.734428][ T1189]  ? move_addr_to_kernel (net/socket.c:258)
[   52.734436][ T1189]  ___sys_sendmsg (net/socket.c:2767)
[   52.734439][ T1189]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.734455][ T1189]  __sys_sendmsg (net/socket.c:2799)
[   52.734458][ T1189]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.734464][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.734467][ T1189]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.734470][ T1189]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.734473][ T1189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.734476][ T1189] RIP: 0033:0x7f9ffe2ef54e
[   52.734479][ T1189] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.734481][ T1189] RSP: 002b:00007fffbb7453a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.734484][ T1189] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9ffe2ef54e
[   52.734485][ T1189] RDX: 0000000000000000 RSI: 00007fffbb745450 RDI: 0000000000000005
[   52.734486][ T1189] RBP: 00007fffbb7453b0 R08: 0000000000000000 R09: 0000000000000000
[   52.734487][ T1189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ffa
[   52.734488][ T1189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbb745b10
| [   54.808523][ T1263] softirqs last disabled at (25768): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   54.808527][ T1263] Preemption disabled at:
| [   54.808528][ T1263] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.808539][ T1263] Tainted: [W]=WARN
[   54.808540][ T1263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.808542][ T1263] Call Trace:
[   54.808544][ T1263]  <TASK>
[   54.808546][ T1263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.808554][ T1263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.808556][ T1263]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.808562][ T1263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.808568][ T1263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.808575][ T1263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.808579][ T1263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.808589][ T1263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.808593][ T1263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.808598][ T1263]  put_chars (drivers/char/virtio_console.c:1176)
[   54.808603][ T1263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.808605][ T1263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.808610][ T1263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.808614][ T1263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.808622][ T1263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.808628][ T1263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.808637][ T1263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.808642][ T1263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.808650][ T1263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.808656][ T1263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.808659][ T1263]  ? 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))
[   54.808664][ T1263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.808667][ T1263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.808674][ T1263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.808681][ T1263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.808684][ T1263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.808693][ T1263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.808698][ T1263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.808700][ T1263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.808703][ T1263]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   54.808710][ T1263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.808712][ T1263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.808717][ T1263]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.808723][ T1263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.808726][ T1263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.808730][ T1263]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.808737][ T1263]  _printk (kernel/printk/printk.c:2504)
[   54.808741][ T1263]  ? snapshot_read.cold (user.c:?)
[   54.808747][ T1263]  ? br_multicast_flood (??:?)
[   54.808751][ T1263]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   54.808753][ T1263]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   54.808755][ T1263]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.808763][ T1263]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   54.808770][ T1263]  br_init_port (net/bridge/br_stp_if.c:39)
[   54.808774][ T1263]  new_nbp (net/bridge/br_if.c:449)
[   54.808780][ T1263]  br_add_if (net/bridge/br_if.c:592)
[   54.808783][ T1263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   54.808796][ T1263]  do_set_master (net/core/rtnetlink.c:3071)
[   54.808802][ T1263]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   54.808808][ T1263]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   54.808811][ T1263]  ? __dev_get_by_name (net/core/dev.c:905)
[   54.808814][ T1263]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   54.808831][ T1263]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   54.808843][ T1263]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.808852][ T1263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.808855][ T1263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.808867][ T1263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.808874][ T1263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.808878][ T1263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.808883][ T1263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.808885][ T1263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.808893][ T1263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.808896][ T1263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.808903][ T1263]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.808907][ T1263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.808913][ T1263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.808924][ T1263]  ? 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))
[   54.808927][ T1263]  ? 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))
[   54.808935][ T1263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.808942][ T1263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.808952][ T1263]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.808959][ T1263]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.808965][ T1263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.808968][ T1263]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   54.808982][ T1263]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.808988][ T1263]  ____sys_sendmsg (net/socket.c:2713)
[   54.808991][ T1263]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.808995][ T1263]  ? sock_write_iter (net/socket.c:1269)
[   54.808997][ T1263]  ? move_addr_to_kernel (net/socket.c:258)
[   54.809005][ T1263]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   54.809009][ T1263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.809015][ T1263]  ___sys_sendmsg (net/socket.c:2767)
[   54.809018][ T1263]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   54.809022][ T1263]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.809026][ T1263]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   54.809054][ T1263]  __sys_sendmsg (net/socket.c:2799)
[   54.809059][ T1263]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.809069][ T1263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.809072][ T1263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.809077][ T1263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.809082][ T1263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.809087][ T1263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.809090][ T1263] RIP: 0033:0x7fe7f905b54e
[   54.809095][ T1263] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.809097][ T1263] RSP: 002b:00007fffead42240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.809101][ T1263] RAX: ffffffffffffffda RBX: 00007fffead42a08 RCX: 00007fe7f905b54e
[   54.809103][ T1263] RDX: 0000000000000000 RSI: 00007fffead422f0 RDI: 0000000000000005
[   54.809104][ T1263] RBP: 00007fffead42250 R08: 0000000000000000 R09: 0000000000000000
[   54.809105][ T1263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ffc
[   54.809107][ T1263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffead429c0
| [   56.130272][ T1300] softirqs last disabled at (16990): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   56.130275][ T1300] Preemption disabled at:
| [   56.130275][ T1300] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.130285][ T1300] Tainted: [W]=WARN
[   56.130285][ T1300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.130287][ T1300] Call Trace:
[   56.130289][ T1300]  <TASK>
[   56.130291][ T1300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.130297][ T1300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.130299][ T1300]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.130303][ T1300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.130308][ T1300]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.130313][ T1300]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.130315][ T1300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.130322][ T1300]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.130325][ T1300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.130329][ T1300]  put_chars (drivers/char/virtio_console.c:1176)
[   56.130332][ T1300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.130339][ T1300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.130347][ T1300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.130350][ T1300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.130355][ T1300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.130359][ T1300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.130361][ T1300]  ? 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))
[   56.130364][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130367][ T1300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.130372][ T1300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.130376][ T1300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.130378][ T1300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.130385][ T1300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.130388][ T1300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.130390][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130391][ T1300]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   56.130396][ T1300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.130398][ T1300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.130401][ T1300]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.130404][ T1300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.130407][ T1300]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.130413][ T1300]  _printk (kernel/printk/printk.c:2504)
[   56.130417][ T1300]  ? snapshot_read.cold (user.c:?)
[   56.130419][ T1300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.130421][ T1300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.130424][ T1300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.130427][ T1300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.130431][ T1300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.130434][ T1300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.130437][ T1300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.130440][ T1300]  ? netdev_notice (net/core/dev.c:13194)
[   56.130443][ T1300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.130446][ T1300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.130449][ T1300]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.130453][ T1300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.130455][ T1300]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   56.130458][ T1300]  ? register_netdev (net/core/dev.c:11618)
[   56.130459][ T1300]  ? 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))
[   56.130465][ T1300]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   56.130468][ T1300]  ? __kernel_text_address (kernel/extable.c:79)
[   56.130470][ T1300]  ? write_profile (profile.c:?)
[   56.130475][ T1300]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   56.130481][ T1300]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   56.130485][ T1300]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.130487][ T1300]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.130488][ T1300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.130490][ T1300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.130494][ T1300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.130500][ T1300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.130503][ T1300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.130506][ T1300]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.130508][ T1300]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.130509][ T1300]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.130510][ T1300]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.130513][ T1300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.130515][ T1300]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   56.130518][ T1300]  ? ___sys_sendmsg (net/socket.c:2758)
[   56.130523][ T1300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.130525][ T1300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.130528][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130530][ T1300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.130532][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130533][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130535][ T1300]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.130538][ T1300]  ? __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)
[   56.130539][ T1300]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.130541][ T1300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.130545][ T1300]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.130547][ T1300]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.130552][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130555][ T1300]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.130561][ T1300]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.130567][ T1300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.130569][ T1300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.130575][ T1300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.130577][ T1300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.130579][ T1300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.130581][ T1300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.130585][ T1300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.130587][ T1300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.130591][ T1300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.130592][ T1300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.130597][ T1300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.130599][ T1300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.130603][ T1300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.130607][ T1300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.130610][ T1300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.130617][ T1300]  ? 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))
[   56.130619][ T1300]  ? 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))
[   56.130624][ T1300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.130629][ T1300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.130632][ T1300]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.130636][ T1300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.130641][ T1300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.130645][ T1300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.130647][ T1300]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   56.130652][ T1300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.130655][ T1300]  ____sys_sendmsg (net/socket.c:2713)
[   56.130658][ T1300]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.130660][ T1300]  ? sock_write_iter (net/socket.c:1269)
[   56.130662][ T1300]  ? move_addr_to_kernel (net/socket.c:258)
[   56.130670][ T1300]  ___sys_sendmsg (net/socket.c:2767)
[   56.130673][ T1300]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.130691][ T1300]  __sys_sendmsg (net/socket.c:2799)
[   56.130694][ T1300]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.130701][ T1300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.130704][ T1300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.130707][ T1300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.130710][ T1300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.130713][ T1300] RIP: 0033:0x7f02e3fd054e
[   56.130716][ T1300] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.130718][ T1300] RSP: 002b:00007ffd17411130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.130721][ T1300] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f02e3fd054e
[   56.130723][ T1300] RDX: 0000000000000000 RSI: 00007ffd174111e0 RDI: 0000000000000005
[   56.130723][ T1300] RBP: 00007ffd17411140 R08: 0000000000000000 R09: 0000000000000000
[   56.130724][ T1300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ffd
[   56.130725][ T1300] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd174118a0
| [   58.072584][ T1366] softirqs last disabled at (26038): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   58.072586][ T1366] Preemption disabled at:
| [   58.072587][ T1366] vprintk_emit (kernel/printk/printk.c:2471)
| [   58.072596][ T1366] Tainted: [W]=WARN
[   58.072597][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.072598][ T1366] Call Trace:
[   58.072600][ T1366]  <TASK>
[   58.072602][ T1366]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   58.072608][ T1366]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   58.072610][ T1366]  __might_resched.cold (kernel/sched/core.c:9234)
[   58.072615][ T1366]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   58.072620][ T1366]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   58.072625][ T1366]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   58.072627][ T1366]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.072635][ T1366]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   58.072638][ T1366]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   58.072643][ T1366]  put_chars (drivers/char/virtio_console.c:1176)
[   58.072646][ T1366]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   58.072647][ T1366]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   58.072651][ T1366]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.072654][ T1366]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   58.072660][ T1366]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   58.072664][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.072670][ T1366]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   58.072673][ T1366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.072679][ T1366]  console_emit_next_record (kernel/printk/printk.c:3183)
[   58.072684][ T1366]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   58.072686][ T1366]  ? 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))
[   58.072689][ T1366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.072691][ T1366]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   58.072695][ T1366]  console_flush_one_record (kernel/printk/printk.c:3268)
[   58.072699][ T1366]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   58.072701][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.072707][ T1366]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   58.072709][ T1366]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   58.072711][ T1366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.072713][ T1366]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   58.072717][ T1366]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   58.072719][ T1366]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   58.072722][ T1366]  vprintk_emit (kernel/printk/printk.c:2479)
[   58.072725][ T1366]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   58.072726][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.072729][ T1366]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   58.072733][ T1366]  _printk (kernel/printk/printk.c:2504)
[   58.072737][ T1366]  ? snapshot_read.cold (user.c:?)
[   58.072740][ T1366]  ? br_multicast_flood (??:?)
[   58.072743][ T1366]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.072745][ T1366]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.072746][ T1366]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.072750][ T1366]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   58.072755][ T1366]  br_init_port (net/bridge/br_stp_if.c:39)
[   58.072757][ T1366]  new_nbp (net/bridge/br_if.c:449)
[   58.072761][ T1366]  br_add_if (net/bridge/br_if.c:592)
[   58.072763][ T1366]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   58.072770][ T1366]  do_set_master (net/core/rtnetlink.c:3071)
[   58.072774][ T1366]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   58.072778][ T1366]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   58.072779][ T1366]  ? __dev_get_by_name (net/core/dev.c:905)
[   58.072782][ T1366]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   58.072791][ T1366]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   58.072798][ T1366]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   58.072803][ T1366]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.072805][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.072812][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.072816][ T1366]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   58.072818][ T1366]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   58.072821][ T1366]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.072823][ T1366]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   58.072827][ T1366]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   58.072829][ T1366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.072833][ T1366]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   58.072836][ T1366]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.072839][ T1366]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.072846][ T1366]  ? 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))
[   58.072848][ T1366]  ? 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))
[   58.072853][ T1366]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.072857][ T1366]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.072862][ T1366]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   58.072867][ T1366]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   58.072870][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   58.072872][ T1366]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   58.072877][ T1366]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   58.072881][ T1366]  ____sys_sendmsg (net/socket.c:2713)
[   58.072884][ T1366]  ? copy_msghdr_from_user (net/socket.c:2650)
[   58.072886][ T1366]  ? sock_write_iter (net/socket.c:1269)
[   58.072888][ T1366]  ? move_addr_to_kernel (net/socket.c:258)
[   58.072892][ T1366]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   58.072895][ T1366]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   58.072898][ T1366]  ___sys_sendmsg (net/socket.c:2767)
[   58.072900][ T1366]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   58.072903][ T1366]  ? copy_msghdr_from_user (net/socket.c:2619)
[   58.072905][ T1366]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   58.072921][ T1366]  __sys_sendmsg (net/socket.c:2799)
[   58.072924][ T1366]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   58.072930][ T1366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.072931][ T1366]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   58.072935][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   58.072938][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   58.072941][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.072943][ T1366] RIP: 0033:0x7f3b2fef254e
[   58.072947][ T1366] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   58.072949][ T1366] RSP: 002b:00007fff778f28f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.072952][ T1366] RAX: ffffffffffffffda RBX: 00007fff778f30b8 RCX: 00007f3b2fef254e
[   58.072953][ T1366] RDX: 0000000000000000 RSI: 00007fff778f29a0 RDI: 0000000000000005
[   58.072954][ T1366] RBP: 00007fff778f2900 R08: 0000000000000000 R09: 0000000000000000
[   58.072955][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910fff
[   58.072955][ T1366] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff778f3070
| [   65.355275][   T12] softirqs last disabled at (849942): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   65.355278][   T12] Preemption disabled at:
| [   65.355278][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.355287][   T12] Tainted: [W]=WARN
[   65.355288][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.355289][   T12] Workqueue: netns cleanup_net
[   65.355293][   T12] Call Trace:
[   65.355294][   T12]  <TASK>
[   65.355297][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.355303][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.355304][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.355309][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.355313][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.355318][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.355320][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.355327][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.355330][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.355333][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   65.355336][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.355337][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.355341][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.355343][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.355349][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.355353][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.355358][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.355361][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.355366][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.355370][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.355372][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   65.355376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.355377][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.355382][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.355386][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.355388][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.355393][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.355396][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.355398][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.355400][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   65.355404][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.355405][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.355408][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.355412][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.355413][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   65.355415][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   65.355417][   T12]  ? kthread (kernel/kthread.c:436)
[   65.355419][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   65.355422][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   65.355427][   T12]  _printk (kernel/printk/printk.c:2504)
[   65.355430][   T12]  ? snapshot_read.cold (user.c:?)
[   65.355435][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.355439][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.355443][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.355446][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   65.355450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.355452][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   65.355455][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   65.355457][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   65.355459][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   65.355463][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   65.355467][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   65.355474][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   65.355477][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   65.355481][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   65.355484][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   65.355488][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   65.355490][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.355493][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   65.355503][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   65.355506][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   65.355510][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.355512][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.355516][   T12]  process_one_work (kernel/workqueue.c:3387)
[   65.355522][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   65.355525][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.355533][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   65.355540][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   65.355543][   T12]  kthread (kernel/kthread.c:436)
[   65.355544][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.355548][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   65.355551][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.355554][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   65.355557][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.355561][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   65.355564][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   66.761648][ T1514] softirqs last disabled at (21054): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   66.761651][ T1514] Preemption disabled at:
| [   66.761651][ T1514] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.761660][ T1514] Tainted: [W]=WARN
[   66.761661][ T1514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.761663][ T1514] Call Trace:
[   66.761665][ T1514]  <TASK>
[   66.761666][ T1514]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.761672][ T1514]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.761674][ T1514]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.761678][ T1514]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.761682][ T1514]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.761687][ T1514]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   66.761689][ T1514]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.761695][ T1514]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.761698][ T1514]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.761702][ T1514]  put_chars (drivers/char/virtio_console.c:1176)
[   66.761704][ T1514]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.761711][ T1514]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.761718][ T1514]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.761721][ T1514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.761726][ T1514]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.761730][ T1514]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.761732][ T1514]  ? 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))
[   66.761735][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.761738][ T1514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.761742][ T1514]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.761746][ T1514]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.761748][ T1514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.761754][ T1514]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.761756][ T1514]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.761758][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.761760][ T1514]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   66.761764][ T1514]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.761765][ T1514]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.761768][ T1514]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.761771][ T1514]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.761774][ T1514]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   66.761779][ T1514]  _printk (kernel/printk/printk.c:2504)
[   66.761783][ T1514]  ? snapshot_read.cold (user.c:?)
[   66.761784][ T1514]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.761787][ T1514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.761789][ T1514]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.761792][ T1514]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.761795][ T1514]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.761798][ T1514]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.761800][ T1514]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.761803][ T1514]  ? netdev_notice (net/core/dev.c:13194)
[   66.761806][ T1514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.761809][ T1514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.761812][ T1514]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   66.761815][ T1514]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.761817][ T1514]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   66.761819][ T1514]  ? register_netdev (net/core/dev.c:11618)
[   66.761821][ T1514]  ? 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))
[   66.761826][ T1514]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   66.761828][ T1514]  ? __kernel_text_address (kernel/extable.c:79)
[   66.761831][ T1514]  ? write_profile (profile.c:?)
[   66.761835][ T1514]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.761841][ T1514]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   66.761844][ T1514]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   66.761846][ T1514]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   66.761848][ T1514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.761849][ T1514]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.761853][ T1514]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.761855][ T1514]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.761856][ T1514]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.761859][ T1514]  ? kasan_save_stack (mm/kasan/common.c:58)
[   66.761861][ T1514]  ? kasan_save_stack (mm/kasan/common.c:57)
[   66.761862][ T1514]  ? kasan_save_track (mm/kasan/common.c:78)
[   66.761863][ T1514]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   66.761866][ T1514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.761867][ T1514]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   66.761870][ T1514]  ? ___sys_sendmsg (net/socket.c:2758)
[   66.761874][ T1514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.761876][ T1514]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.761879][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.761881][ T1514]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.761882][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.761883][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.761885][ T1514]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.761887][ T1514]  ? __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)
[   66.761889][ T1514]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.761890][ T1514]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.761894][ T1514]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.761895][ T1514]  ? nla_get_range_signed (lib/nlattr.c:270)
[   66.761900][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.761902][ T1514]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   66.761908][ T1514]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.761913][ T1514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.761915][ T1514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.761919][ T1514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.761921][ T1514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.761923][ T1514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.761925][ T1514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.761929][ T1514]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.761931][ T1514]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.761934][ T1514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.761935][ T1514]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.761940][ T1514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.761942][ T1514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.761945][ T1514]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.761948][ T1514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.761951][ T1514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.761958][ T1514]  ? 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))
[   66.761960][ T1514]  ? 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))
[   66.761964][ T1514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.761968][ T1514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.761971][ T1514]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.761975][ T1514]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.761979][ T1514]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.761983][ T1514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.761985][ T1514]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.761990][ T1514]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.761993][ T1514]  ____sys_sendmsg (net/socket.c:2713)
[   66.761995][ T1514]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.761998][ T1514]  ? sock_write_iter (net/socket.c:1269)
[   66.761999][ T1514]  ? move_addr_to_kernel (net/socket.c:258)
[   66.762007][ T1514]  ___sys_sendmsg (net/socket.c:2767)
[   66.762010][ T1514]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.762031][ T1514]  __sys_sendmsg (net/socket.c:2799)
[   66.762034][ T1514]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.762040][ T1514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.762043][ T1514]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.762046][ T1514]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.762049][ T1514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.762051][ T1514] RIP: 0033:0x7fa7e430054e
[   66.762055][ T1514] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.762057][ T1514] RSP: 002b:00007ffd9bba64b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.762059][ T1514] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa7e430054e
[   66.762061][ T1514] RDX: 0000000000000000 RSI: 00007ffd9bba6560 RDI: 0000000000000005
[   66.762062][ T1514] RBP: 00007ffd9bba64c0 R08: 0000000000000000 R09: 0000000000000000
[   66.762063][ T1514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911008
[   66.762063][ T1514] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9bba6c20
| [   68.789298][ T1589] softirqs last disabled at (19894): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   68.789300][ T1589] Preemption disabled at:
| [   68.789300][ T1589] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.789309][ T1589] Tainted: [W]=WARN
[   68.789310][ T1589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.789311][ T1589] Call Trace:
[   68.789313][ T1589]  <TASK>
[   68.789315][ T1589]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.789321][ T1589]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.789323][ T1589]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.789327][ T1589]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.789332][ T1589]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.789336][ T1589]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   68.789338][ T1589]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.789345][ T1589]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.789348][ T1589]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.789351][ T1589]  put_chars (drivers/char/virtio_console.c:1176)
[   68.789354][ T1589]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.789355][ T1589]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.789358][ T1589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.789361][ T1589]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.789366][ T1589]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.789370][ T1589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.789375][ T1589]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.789378][ T1589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.789383][ T1589]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.789387][ T1589]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.789389][ T1589]  ? 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))
[   68.789392][ T1589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.789394][ T1589]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.789398][ T1589]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.789402][ T1589]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.789404][ T1589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.789409][ T1589]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.789412][ T1589]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.789414][ T1589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.789415][ T1589]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   68.789419][ T1589]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.789421][ T1589]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.789423][ T1589]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.789427][ T1589]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.789428][ T1589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.789431][ T1589]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.789435][ T1589]  _printk (kernel/printk/printk.c:2504)
[   68.789438][ T1589]  ? snapshot_read.cold (user.c:?)
[   68.789442][ T1589]  ? br_multicast_flood (??:?)
[   68.789445][ T1589]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   68.789446][ T1589]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   68.789447][ T1589]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.789452][ T1589]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   68.789456][ T1589]  br_init_port (net/bridge/br_stp_if.c:39)
[   68.789458][ T1589]  new_nbp (net/bridge/br_if.c:449)
[   68.789462][ T1589]  br_add_if (net/bridge/br_if.c:592)
[   68.789464][ T1589]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   68.789472][ T1589]  do_set_master (net/core/rtnetlink.c:3071)
[   68.789475][ T1589]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   68.789479][ T1589]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   68.789480][ T1589]  ? __dev_get_by_name (net/core/dev.c:905)
[   68.789483][ T1589]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   68.789492][ T1589]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   68.789501][ T1589]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.789506][ T1589]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.789508][ T1589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.789515][ T1589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.789519][ T1589]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.789521][ T1589]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.789524][ T1589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.789525][ T1589]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.789530][ T1589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.789532][ T1589]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.789536][ T1589]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.789539][ T1589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.789542][ T1589]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.789548][ T1589]  ? 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))
[   68.789550][ T1589]  ? 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))
[   68.789555][ T1589]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.789559][ T1589]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.789564][ T1589]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.789568][ T1589]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.789572][ T1589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.789574][ T1589]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   68.789579][ T1589]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   68.789584][ T1589]  ____sys_sendmsg (net/socket.c:2713)
[   68.789586][ T1589]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.789589][ T1589]  ? sock_write_iter (net/socket.c:1269)
[   68.789590][ T1589]  ? move_addr_to_kernel (net/socket.c:258)
[   68.789595][ T1589]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   68.789598][ T1589]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.789601][ T1589]  ___sys_sendmsg (net/socket.c:2767)
[   68.789603][ T1589]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   68.789606][ T1589]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.789608][ T1589]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   68.789623][ T1589]  __sys_sendmsg (net/socket.c:2799)
[   68.789626][ T1589]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.789632][ T1589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.789633][ T1589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.789636][ T1589]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.789640][ T1589]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.789643][ T1589]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.789645][ T1589] RIP: 0033:0x7fd11d95854e
[   68.789649][ T1589] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.789651][ T1589] RSP: 002b:00007ffe5efe8f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.789654][ T1589] RAX: ffffffffffffffda RBX: 00007ffe5efe9708 RCX: 00007fd11d95854e
[   68.789655][ T1589] RDX: 0000000000000000 RSI: 00007ffe5efe8ff0 RDI: 0000000000000005
[   68.789656][ T1589] RBP: 00007ffe5efe8f50 R08: 0000000000000000 R09: 0000000000000000
[   68.789657][ T1589] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91100a
[   68.789657][ T1589] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5efe96c0
| [   70.029133][ T1626] softirqs last disabled at (19316): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   70.029135][ T1626] Preemption disabled at:
| [   70.029136][ T1626] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.029145][ T1626] Tainted: [W]=WARN
[   70.029146][ T1626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.029148][ T1626] Call Trace:
[   70.029150][ T1626]  <TASK>
[   70.029151][ T1626]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.029157][ T1626]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.029159][ T1626]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.029163][ T1626]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.029168][ T1626]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.029173][ T1626]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   70.029175][ T1626]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.029181][ T1626]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.029184][ T1626]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.029188][ T1626]  put_chars (drivers/char/virtio_console.c:1176)
[   70.029191][ T1626]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.029198][ T1626]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.029206][ T1626]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.029209][ T1626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.029214][ T1626]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.029218][ T1626]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.029220][ T1626]  ? 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))
[   70.029223][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029226][ T1626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.029230][ T1626]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.029235][ T1626]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.029237][ T1626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.029242][ T1626]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.029245][ T1626]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.029247][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029249][ T1626]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   70.029252][ T1626]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.029254][ T1626]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.029257][ T1626]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.029260][ T1626]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.029263][ T1626]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   70.029268][ T1626]  _printk (kernel/printk/printk.c:2504)
[   70.029272][ T1626]  ? snapshot_read.cold (user.c:?)
[   70.029273][ T1626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.029276][ T1626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.029279][ T1626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.029281][ T1626]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   70.029285][ T1626]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   70.029288][ T1626]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.029290][ T1626]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   70.029293][ T1626]  ? netdev_notice (net/core/dev.c:13194)
[   70.029296][ T1626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.029299][ T1626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.029302][ T1626]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   70.029305][ T1626]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.029307][ T1626]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   70.029309][ T1626]  ? register_netdev (net/core/dev.c:11618)
[   70.029311][ T1626]  ? 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))
[   70.029316][ T1626]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   70.029319][ T1626]  ? __kernel_text_address (kernel/extable.c:79)
[   70.029321][ T1626]  ? write_profile (profile.c:?)
[   70.029326][ T1626]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   70.029332][ T1626]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   70.029335][ T1626]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   70.029337][ T1626]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   70.029339][ T1626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.029340][ T1626]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.029344][ T1626]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.029346][ T1626]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.029348][ T1626]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.029350][ T1626]  ? kasan_save_stack (mm/kasan/common.c:58)
[   70.029352][ T1626]  ? kasan_save_stack (mm/kasan/common.c:57)
[   70.029353][ T1626]  ? kasan_save_track (mm/kasan/common.c:78)
[   70.029354][ T1626]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.029357][ T1626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.029359][ T1626]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   70.029362][ T1626]  ? ___sys_sendmsg (net/socket.c:2758)
[   70.029366][ T1626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.029368][ T1626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.029370][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029372][ T1626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.029374][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029375][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029377][ T1626]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   70.029379][ T1626]  ? __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)
[   70.029380][ T1626]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.029382][ T1626]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   70.029385][ T1626]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   70.029387][ T1626]  ? nla_get_range_signed (lib/nlattr.c:270)
[   70.029391][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029394][ T1626]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   70.029399][ T1626]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.029405][ T1626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.029407][ T1626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.029411][ T1626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.029413][ T1626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.029415][ T1626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.029417][ T1626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.029421][ T1626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.029423][ T1626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.029426][ T1626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.029427][ T1626]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.029432][ T1626]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.029434][ T1626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.029438][ T1626]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.029441][ T1626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.029444][ T1626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.029451][ T1626]  ? 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))
[   70.029453][ T1626]  ? 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))
[   70.029458][ T1626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.029462][ T1626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.029464][ T1626]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.029469][ T1626]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.029473][ T1626]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.029477][ T1626]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.029478][ T1626]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   70.029484][ T1626]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.029487][ T1626]  ____sys_sendmsg (net/socket.c:2713)
[   70.029489][ T1626]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.029492][ T1626]  ? sock_write_iter (net/socket.c:1269)
[   70.029493][ T1626]  ? move_addr_to_kernel (net/socket.c:258)
[   70.029507][ T1626]  ___sys_sendmsg (net/socket.c:2767)
[   70.029510][ T1626]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.029528][ T1626]  __sys_sendmsg (net/socket.c:2799)
[   70.029531][ T1626]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.029538][ T1626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.029541][ T1626]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.029544][ T1626]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.029547][ T1626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.029550][ T1626] RIP: 0033:0x7f740967554e
[   70.029553][ T1626] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.029555][ T1626] RSP: 002b:00007fffc693eda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.029558][ T1626] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f740967554e
[   70.029559][ T1626] RDX: 0000000000000000 RSI: 00007fffc693ee50 RDI: 0000000000000005
[   70.029560][ T1626] RBP: 00007fffc693edb0 R08: 0000000000000000 R09: 0000000000000000
[   70.029561][ T1626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91100b
[   70.029562][ T1626] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc693f510
| [   72.183284][ T1692] softirqs last disabled at (25062): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   72.183286][ T1692] Preemption disabled at:
| [   72.183286][ T1692] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.183295][ T1692] Tainted: [W]=WARN
[   72.183296][ T1692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.183297][ T1692] Call Trace:
[   72.183299][ T1692]  <TASK>
[   72.183301][ T1692]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.183307][ T1692]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.183309][ T1692]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.183313][ T1692]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.183317][ T1692]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   72.183322][ T1692]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.183324][ T1692]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.183330][ T1692]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.183333][ T1692]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.183337][ T1692]  put_chars (drivers/char/virtio_console.c:1176)
[   72.183340][ T1692]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.183341][ T1692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   72.183345][ T1692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.183347][ T1692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   72.183353][ T1692]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.183357][ T1692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.183362][ T1692]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.183366][ T1692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.183371][ T1692]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.183375][ T1692]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.183377][ T1692]  ? 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))
[   72.183381][ T1692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.183382][ T1692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.183387][ T1692]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.183391][ T1692]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.183393][ T1692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.183399][ T1692]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.183402][ T1692]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.183404][ T1692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.183405][ T1692]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   72.183409][ T1692]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.183411][ T1692]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.183414][ T1692]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.183417][ T1692]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.183419][ T1692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.183422][ T1692]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   72.183426][ T1692]  _printk (kernel/printk/printk.c:2504)
[   72.183430][ T1692]  ? snapshot_read.cold (user.c:?)
[   72.183433][ T1692]  ? br_multicast_flood (??:?)
[   72.183437][ T1692]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.183438][ T1692]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.183439][ T1692]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.183444][ T1692]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   72.183448][ T1692]  br_init_port (net/bridge/br_stp_if.c:39)
[   72.183451][ T1692]  new_nbp (net/bridge/br_if.c:449)
[   72.183455][ T1692]  br_add_if (net/bridge/br_if.c:592)
[   72.183457][ T1692]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   72.183465][ T1692]  do_set_master (net/core/rtnetlink.c:3071)
[   72.183469][ T1692]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   72.183472][ T1692]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   72.183474][ T1692]  ? __dev_get_by_name (net/core/dev.c:905)
[   72.183476][ T1692]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   72.183486][ T1692]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   72.183493][ T1692]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.183502][ T1692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.183504][ T1692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.183512][ T1692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.183516][ T1692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.183518][ T1692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.183521][ T1692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.183522][ T1692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   72.183527][ T1692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   72.183529][ T1692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.183533][ T1692]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.183537][ T1692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.183540][ T1692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.183547][ T1692]  ? 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))
[   72.183549][ T1692]  ? 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))
[   72.183553][ T1692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.183557][ T1692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.183563][ T1692]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.183568][ T1692]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.183572][ T1692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   72.183573][ T1692]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   72.183579][ T1692]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   72.183584][ T1692]  ____sys_sendmsg (net/socket.c:2713)
[   72.183586][ T1692]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.183589][ T1692]  ? sock_write_iter (net/socket.c:1269)
[   72.183591][ T1692]  ? move_addr_to_kernel (net/socket.c:258)
[   72.183596][ T1692]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   72.183598][ T1692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   72.183603][ T1692]  ___sys_sendmsg (net/socket.c:2767)
[   72.183605][ T1692]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   72.183607][ T1692]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.183610][ T1692]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   72.183626][ T1692]  __sys_sendmsg (net/socket.c:2799)
[   72.183630][ T1692]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.183635][ T1692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.183637][ T1692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.183640][ T1692]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.183644][ T1692]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.183647][ T1692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.183650][ T1692] RIP: 0033:0x7f3f1571154e
[   72.183653][ T1692] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.183655][ T1692] RSP: 002b:00007fff22ff86d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.183658][ T1692] RAX: ffffffffffffffda RBX: 00007fff22ff8e98 RCX: 00007f3f1571154e
[   72.183659][ T1692] RDX: 0000000000000000 RSI: 00007fff22ff8780 RDI: 0000000000000005
[   72.183660][ T1692] RBP: 00007fff22ff86e0 R08: 0000000000000000 R09: 0000000000000000
[   72.183661][ T1692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91100d
[   72.183662][ T1692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff22ff8e50
| [   79.383337][   T12] softirqs last disabled at (1103354): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   79.383341][   T12] Preemption disabled at:
| [   79.383342][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.383353][   T12] Tainted: [W]=WARN
[   79.383354][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.383356][   T12] Workqueue: netns cleanup_net
[   79.383360][   T12] Call Trace:
[   79.383362][   T12]  <TASK>
[   79.383365][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.383372][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.383375][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.383381][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.383386][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   79.383393][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   79.383396][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.383406][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.383409][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.383415][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   79.383419][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.383421][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.383427][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.383430][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.383439][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.383444][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.383453][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.383458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.383467][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.383473][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.383476][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   79.383481][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.383484][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.383491][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.383502][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.383504][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.383514][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.383519][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.383521][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.383524][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   79.383531][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.383533][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.383539][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.383544][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.383546][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   79.383549][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   79.383551][   T12]  ? kthread (kernel/kthread.c:436)
[   79.383555][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   79.383558][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   79.383566][   T12]  _printk (kernel/printk/printk.c:2504)
[   79.383571][   T12]  ? snapshot_read.cold (user.c:?)
[   79.383580][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.383589][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.383595][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.383599][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   79.383607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.383610][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   79.383614][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   79.383618][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.383622][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   79.383629][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   79.383635][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   79.383645][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   79.383651][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   79.383656][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   79.383662][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   79.383667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.383669][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.383674][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   79.383682][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   79.383687][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.383693][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.383696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.383702][   T12]  process_one_work (kernel/workqueue.c:3387)
[   79.383714][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   79.383719][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.383733][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   79.383746][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   79.383749][   T12]  kthread (kernel/kthread.c:436)
[   79.383752][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.383756][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   79.383762][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.383766][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   79.383772][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.383777][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   79.383781][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   80.817404][ T1840] softirqs last disabled at (13690): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   80.817407][ T1840] Preemption disabled at:
| [   80.817407][ T1840] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.817416][ T1840] Tainted: [W]=WARN
[   80.817416][ T1840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.817418][ T1840] Call Trace:
[   80.817420][ T1840]  <TASK>
[   80.817421][ T1840]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.817427][ T1840]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.817429][ T1840]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.817433][ T1840]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.817437][ T1840]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   80.817442][ T1840]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   80.817443][ T1840]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.817450][ T1840]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   80.817453][ T1840]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.817456][ T1840]  put_chars (drivers/char/virtio_console.c:1176)
[   80.817459][ T1840]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.817465][ T1840]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.817472][ T1840]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.817475][ T1840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.817480][ T1840]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.817484][ T1840]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.817486][ T1840]  ? 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))
[   80.817489][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817492][ T1840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.817499][ T1840]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.817504][ T1840]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.817506][ T1840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.817511][ T1840]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.817514][ T1840]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.817515][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817517][ T1840]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   80.817521][ T1840]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.817523][ T1840]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.817525][ T1840]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.817528][ T1840]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.817531][ T1840]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   80.817536][ T1840]  _printk (kernel/printk/printk.c:2504)
[   80.817540][ T1840]  ? snapshot_read.cold (user.c:?)
[   80.817541][ T1840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   80.817544][ T1840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.817547][ T1840]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   80.817549][ T1840]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   80.817553][ T1840]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   80.817555][ T1840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   80.817558][ T1840]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   80.817560][ T1840]  ? netdev_notice (net/core/dev.c:13194)
[   80.817563][ T1840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.817566][ T1840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.817569][ T1840]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   80.817572][ T1840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   80.817574][ T1840]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   80.817576][ T1840]  ? register_netdev (net/core/dev.c:11618)
[   80.817578][ T1840]  ? 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))
[   80.817585][ T1840]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   80.817588][ T1840]  ? __kernel_text_address (kernel/extable.c:79)
[   80.817590][ T1840]  ? write_profile (profile.c:?)
[   80.817594][ T1840]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   80.817600][ T1840]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   80.817603][ T1840]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   80.817605][ T1840]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   80.817607][ T1840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.817608][ T1840]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.817612][ T1840]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   80.817614][ T1840]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.817616][ T1840]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   80.817618][ T1840]  ? kasan_save_stack (mm/kasan/common.c:58)
[   80.817620][ T1840]  ? kasan_save_stack (mm/kasan/common.c:57)
[   80.817621][ T1840]  ? kasan_save_track (mm/kasan/common.c:78)
[   80.817622][ T1840]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.817624][ T1840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.817626][ T1840]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   80.817629][ T1840]  ? ___sys_sendmsg (net/socket.c:2758)
[   80.817633][ T1840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.817635][ T1840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.817637][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817639][ T1840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.817641][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817642][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817643][ T1840]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   80.817646][ T1840]  ? __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)
[   80.817647][ T1840]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   80.817649][ T1840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   80.817652][ T1840]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   80.817653][ T1840]  ? nla_get_range_signed (lib/nlattr.c:270)
[   80.817658][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817660][ T1840]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   80.817665][ T1840]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.817670][ T1840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.817672][ T1840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.817677][ T1840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.817679][ T1840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.817680][ T1840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.817682][ T1840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.817686][ T1840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.817688][ T1840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.817691][ T1840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.817692][ T1840]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   80.817697][ T1840]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   80.817699][ T1840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.817702][ T1840]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.817705][ T1840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.817708][ T1840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.817714][ T1840]  ? 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))
[   80.817716][ T1840]  ? 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))
[   80.817721][ T1840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.817725][ T1840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.817727][ T1840]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   80.817732][ T1840]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.817735][ T1840]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.817739][ T1840]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   80.817741][ T1840]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   80.817746][ T1840]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   80.817749][ T1840]  ____sys_sendmsg (net/socket.c:2713)
[   80.817751][ T1840]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.817753][ T1840]  ? sock_write_iter (net/socket.c:1269)
[   80.817755][ T1840]  ? move_addr_to_kernel (net/socket.c:258)
[   80.817762][ T1840]  ___sys_sendmsg (net/socket.c:2767)
[   80.817765][ T1840]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.817780][ T1840]  __sys_sendmsg (net/socket.c:2799)
[   80.817783][ T1840]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.817789][ T1840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.817792][ T1840]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.817795][ T1840]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.817798][ T1840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.817800][ T1840] RIP: 0033:0x7faae99cf54e
[   80.817803][ T1840] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   80.817805][ T1840] RSP: 002b:00007ffd2ace02d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.817808][ T1840] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faae99cf54e
[   80.817809][ T1840] RDX: 0000000000000000 RSI: 00007ffd2ace0380 RDI: 0000000000000005
[   80.817810][ T1840] RBP: 00007ffd2ace02e0 R08: 0000000000000000 R09: 0000000000000000
[   80.817811][ T1840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911016
[   80.817812][ T1840] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2ace0a40
| [   82.878324][ T1914] softirqs last disabled at (19282): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   82.878325][ T1914] Preemption disabled at:
| [   82.878326][ T1914] vprintk_emit (kernel/printk/printk.c:2471)
| [   82.878334][ T1914] Tainted: [W]=WARN
[   82.878335][ T1914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.878337][ T1914] Call Trace:
[   82.878338][ T1914]  <TASK>
[   82.878340][ T1914]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.878346][ T1914]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   82.878347][ T1914]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.878352][ T1914]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.878356][ T1914]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   82.878360][ T1914]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   82.878362][ T1914]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.878369][ T1914]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   82.878372][ T1914]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.878375][ T1914]  put_chars (drivers/char/virtio_console.c:1176)
[   82.878378][ T1914]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.878379][ T1914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   82.878382][ T1914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.878385][ T1914]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   82.878390][ T1914]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.878394][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.878399][ T1914]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.878402][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.878407][ T1914]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.878411][ T1914]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.878413][ T1914]  ? 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))
[   82.878416][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.878418][ T1914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.878421][ T1914]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.878426][ T1914]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.878428][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.878433][ T1914]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.878436][ T1914]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.878438][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.878439][ T1914]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   82.878443][ T1914]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.878445][ T1914]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.878448][ T1914]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.878451][ T1914]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.878453][ T1914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   82.878455][ T1914]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   82.878459][ T1914]  _printk (kernel/printk/printk.c:2504)
[   82.878462][ T1914]  ? snapshot_read.cold (user.c:?)
[   82.878466][ T1914]  ? br_multicast_flood (??:?)
[   82.878469][ T1914]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   82.878470][ T1914]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   82.878471][ T1914]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   82.878476][ T1914]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   82.878480][ T1914]  br_init_port (net/bridge/br_stp_if.c:39)
[   82.878482][ T1914]  new_nbp (net/bridge/br_if.c:449)
[   82.878486][ T1914]  br_add_if (net/bridge/br_if.c:592)
[   82.878488][ T1914]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   82.878496][ T1914]  do_set_master (net/core/rtnetlink.c:3071)
[   82.878501][ T1914]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   82.878505][ T1914]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   82.878507][ T1914]  ? __dev_get_by_name (net/core/dev.c:905)
[   82.878509][ T1914]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   82.878518][ T1914]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   82.878524][ T1914]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   82.878530][ T1914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.878532][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.878538][ T1914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   82.878542][ T1914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.878544][ T1914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   82.878547][ T1914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.878549][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.878553][ T1914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   82.878555][ T1914]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.878559][ T1914]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.878562][ T1914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.878565][ T1914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.878571][ T1914]  ? 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))
[   82.878573][ T1914]  ? 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))
[   82.878578][ T1914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.878582][ T1914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.878589][ T1914]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.878593][ T1914]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   82.878597][ T1914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   82.878598][ T1914]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   82.878604][ T1914]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   82.878607][ T1914]  ____sys_sendmsg (net/socket.c:2713)
[   82.878610][ T1914]  ? copy_msghdr_from_user (net/socket.c:2650)
[   82.878612][ T1914]  ? sock_write_iter (net/socket.c:1269)
[   82.878614][ T1914]  ? move_addr_to_kernel (net/socket.c:258)
[   82.878618][ T1914]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   82.878621][ T1914]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.878624][ T1914]  ___sys_sendmsg (net/socket.c:2767)
[   82.878626][ T1914]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   82.878629][ T1914]  ? copy_msghdr_from_user (net/socket.c:2619)
[   82.878631][ T1914]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   82.878646][ T1914]  __sys_sendmsg (net/socket.c:2799)
[   82.878649][ T1914]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   82.878655][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.878656][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.878659][ T1914]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.878663][ T1914]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   82.878666][ T1914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.878668][ T1914] RIP: 0033:0x7fc33383b54e
[   82.878672][ T1914] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   82.878673][ T1914] RSP: 002b:00007ffcf18c8120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.878676][ T1914] RAX: ffffffffffffffda RBX: 00007ffcf18c88e8 RCX: 00007fc33383b54e
[   82.878677][ T1914] RDX: 0000000000000000 RSI: 00007ffcf18c81d0 RDI: 0000000000000005
[   82.878678][ T1914] RBP: 00007ffcf18c8130 R08: 0000000000000000 R09: 0000000000000000
[   82.878679][ T1914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911018
[   82.878680][ T1914] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf18c88a0
| [   84.033051][ T1951] softirqs last disabled at (22198): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   84.033054][ T1951] Preemption disabled at:
| [   84.033054][ T1951] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.033063][ T1951] Tainted: [W]=WARN
[   84.033064][ T1951] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.033065][ T1951] Call Trace:
[   84.033067][ T1951]  <TASK>
[   84.033068][ T1951]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.033074][ T1951]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.033076][ T1951]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.033083][ T1951]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.033087][ T1951]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.033091][ T1951]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   84.033093][ T1951]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.033100][ T1951]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   84.033102][ T1951]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.033106][ T1951]  put_chars (drivers/char/virtio_console.c:1176)
[   84.033108][ T1951]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.033114][ T1951]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.033122][ T1951]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.033125][ T1951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.033129][ T1951]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.033133][ T1951]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.033135][ T1951]  ? 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))
[   84.033139][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033141][ T1951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.033145][ T1951]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.033149][ T1951]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.033151][ T1951]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.033157][ T1951]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.033159][ T1951]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.033161][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033163][ T1951]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   84.033167][ T1951]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.033168][ T1951]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.033171][ T1951]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.033174][ T1951]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.033177][ T1951]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   84.033182][ T1951]  _printk (kernel/printk/printk.c:2504)
[   84.033185][ T1951]  ? snapshot_read.cold (user.c:?)
[   84.033187][ T1951]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.033190][ T1951]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.033192][ T1951]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.033195][ T1951]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   84.033199][ T1951]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   84.033201][ T1951]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.033204][ T1951]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   84.033206][ T1951]  ? netdev_notice (net/core/dev.c:13194)
[   84.033209][ T1951]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.033212][ T1951]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.033215][ T1951]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   84.033218][ T1951]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.033220][ T1951]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   84.033222][ T1951]  ? register_netdev (net/core/dev.c:11618)
[   84.033224][ T1951]  ? 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))
[   84.033229][ T1951]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   84.033232][ T1951]  ? __kernel_text_address (kernel/extable.c:79)
[   84.033234][ T1951]  ? write_profile (profile.c:?)
[   84.033238][ T1951]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   84.033244][ T1951]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   84.033247][ T1951]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   84.033249][ T1951]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   84.033251][ T1951]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   84.033253][ T1951]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.033256][ T1951]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.033258][ T1951]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.033260][ T1951]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.033262][ T1951]  ? kasan_save_stack (mm/kasan/common.c:58)
[   84.033264][ T1951]  ? kasan_save_stack (mm/kasan/common.c:57)
[   84.033265][ T1951]  ? kasan_save_track (mm/kasan/common.c:78)
[   84.033266][ T1951]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   84.033269][ T1951]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.033271][ T1951]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   84.033274][ T1951]  ? ___sys_sendmsg (net/socket.c:2758)
[   84.033278][ T1951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.033280][ T1951]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.033283][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033285][ T1951]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.033286][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033287][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033289][ T1951]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   84.033291][ T1951]  ? __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)
[   84.033293][ T1951]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   84.033294][ T1951]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.033298][ T1951]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   84.033299][ T1951]  ? nla_get_range_signed (lib/nlattr.c:270)
[   84.033304][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033306][ T1951]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   84.033311][ T1951]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.033316][ T1951]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.033318][ T1951]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.033323][ T1951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.033325][ T1951]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.033327][ T1951]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.033328][ T1951]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.033332][ T1951]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.033334][ T1951]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.033338][ T1951]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.033339][ T1951]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.033343][ T1951]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.033345][ T1951]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.033349][ T1951]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.033352][ T1951]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.033355][ T1951]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.033361][ T1951]  ? 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))
[   84.033363][ T1951]  ? 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))
[   84.033368][ T1951]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.033372][ T1951]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.033374][ T1951]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.033378][ T1951]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.033382][ T1951]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.033386][ T1951]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.033388][ T1951]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.033393][ T1951]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.033396][ T1951]  ____sys_sendmsg (net/socket.c:2713)
[   84.033398][ T1951]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.033401][ T1951]  ? sock_write_iter (net/socket.c:1269)
[   84.033402][ T1951]  ? move_addr_to_kernel (net/socket.c:258)
[   84.033409][ T1951]  ___sys_sendmsg (net/socket.c:2767)
[   84.033412][ T1951]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.033428][ T1951]  __sys_sendmsg (net/socket.c:2799)
[   84.033431][ T1951]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.033437][ T1951]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.033440][ T1951]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.033443][ T1951]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.033445][ T1951]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.033448][ T1951] RIP: 0033:0x7f5d3354454e
[   84.033451][ T1951] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   84.033453][ T1951] RSP: 002b:00007ffe699079a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.033456][ T1951] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5d3354454e
[   84.033457][ T1951] RDX: 0000000000000000 RSI: 00007ffe69907a50 RDI: 0000000000000005
[   84.033458][ T1951] RBP: 00007ffe699079b0 R08: 0000000000000000 R09: 0000000000000000
[   84.033459][ T1951] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911019
[   84.033459][ T1951] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe69908110
| [   85.936446][ T2017] softirqs last disabled at (31886): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   85.936448][ T2017] Preemption disabled at:
| [   85.936449][ T2017] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.936458][ T2017] Tainted: [W]=WARN
[   85.936458][ T2017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.936460][ T2017] Call Trace:
[   85.936462][ T2017]  <TASK>
[   85.936463][ T2017]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.936470][ T2017]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.936471][ T2017]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.936476][ T2017]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.936480][ T2017]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.936485][ T2017]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.936487][ T2017]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.936494][ T2017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.936496][ T2017]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.936503][ T2017]  put_chars (drivers/char/virtio_console.c:1176)
[   85.936505][ T2017]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.936506][ T2017]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.936510][ T2017]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.936513][ T2017]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.936517][ T2017]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.936522][ T2017]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.936527][ T2017]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.936530][ T2017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.936535][ T2017]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.936539][ T2017]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.936541][ T2017]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   85.936544][ T2017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.936546][ T2017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.936550][ T2017]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.936554][ T2017]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.936556][ T2017]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.936561][ T2017]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.936564][ T2017]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.936566][ T2017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.936567][ T2017]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   85.936571][ T2017]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.936573][ T2017]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.936576][ T2017]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.936579][ T2017]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.936581][ T2017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.936584][ T2017]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   85.936588][ T2017]  _printk (kernel/printk/printk.c:2504)
[   85.936592][ T2017]  ? snapshot_read.cold (user.c:?)
[   85.936595][ T2017]  ? br_multicast_flood (??:?)
[   85.936598][ T2017]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   85.936600][ T2017]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   85.936601][ T2017]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.936605][ T2017]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   85.936609][ T2017]  br_init_port (net/bridge/br_stp_if.c:39)
[   85.936612][ T2017]  new_nbp (net/bridge/br_if.c:449)
[   85.936616][ T2017]  br_add_if (net/bridge/br_if.c:592)
[   85.936618][ T2017]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   85.936625][ T2017]  do_set_master (net/core/rtnetlink.c:3071)
[   85.936629][ T2017]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   85.936632][ T2017]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   85.936634][ T2017]  ? __dev_get_by_name (net/core/dev.c:905)
[   85.936636][ T2017]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   85.936646][ T2017]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   85.936652][ T2017]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.936658][ T2017]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.936660][ T2017]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.936666][ T2017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.936670][ T2017]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.936672][ T2017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.936675][ T2017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.936676][ T2017]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.936681][ T2017]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.936683][ T2017]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.936687][ T2017]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.936690][ T2017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.936693][ T2017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.936699][ T2017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   85.936701][ T2017]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   85.936706][ T2017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.936710][ T2017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.936715][ T2017]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.936719][ T2017]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.936723][ T2017]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.936725][ T2017]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   85.936730][ T2017]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.936734][ T2017]  ____sys_sendmsg (net/socket.c:2713)
[   85.936737][ T2017]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.936739][ T2017]  ? sock_write_iter (net/socket.c:1269)
[   85.936740][ T2017]  ? move_addr_to_kernel (net/socket.c:258)
[   85.936745][ T2017]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   85.936747][ T2017]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.936751][ T2017]  ___sys_sendmsg (net/socket.c:2767)
[   85.936753][ T2017]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   85.936755][ T2017]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.936758][ T2017]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   85.936773][ T2017]  __sys_sendmsg (net/socket.c:2799)
[   85.936776][ T2017]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.936781][ T2017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.936783][ T2017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.936786][ T2017]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.936789][ T2017]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.936792][ T2017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.936795][ T2017] RIP: 0033:0x7f420866154e
[   85.936799][ T2017] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   85.936801][ T2017] RSP: 002b:00007fff6f787780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.936803][ T2017] RAX: ffffffffffffffda RBX: 00007fff6f787f48 RCX: 00007f420866154e
[   85.936804][ T2017] RDX: 0000000000000000 RSI: 00007fff6f787830 RDI: 0000000000000005
[   85.936805][ T2017] RBP: 00007fff6f787790 R08: 0000000000000000 R09: 0000000000000000
[   85.936806][ T2017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91101b
[   85.936807][ T2017] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6f787f00
| [   93.446970][   T12] softirqs last disabled at (1363542): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   93.446973][   T12] Preemption disabled at:
| [   93.446973][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.446982][   T12] Tainted: [W]=WARN
[   93.446983][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.446985][   T12] Workqueue: netns cleanup_net
[   93.446988][   T12] Call Trace:
[   93.446990][   T12]  <TASK>
[   93.446991][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.446997][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.446999][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.447004][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.447008][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   93.447012][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.447014][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.447021][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.447024][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.447028][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   93.447030][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.447032][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   93.447035][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.447038][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.447043][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.447048][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.447053][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.447057][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.447062][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.447066][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.447068][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   93.447071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.447073][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.447077][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.447082][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.447084][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.447089][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.447092][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.447094][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.447096][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   93.447100][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.447102][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.447105][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.447108][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.447109][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   93.447111][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   93.447118][   T12]  ? kthread (kernel/kthread.c:436)
[   93.447120][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   93.447123][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   93.447128][   T12]  _printk (kernel/printk/printk.c:2504)
[   93.447132][   T12]  ? snapshot_read.cold (user.c:?)
[   93.447137][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.447141][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.447145][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.447148][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   93.447152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.447154][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   93.447157][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   93.447159][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   93.447162][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   93.447166][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   93.447170][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   93.447177][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   93.447181][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   93.447184][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   93.447188][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   93.447192][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   93.447193][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.447197][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   93.447202][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   93.447205][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   93.447209][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.447211][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.447215][   T12]  process_one_work (kernel/workqueue.c:3387)
[   93.447221][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   93.447225][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.447233][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   93.447240][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   93.447242][   T12]  kthread (kernel/kthread.c:436)
[   93.447244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.447248][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   93.447251][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.447253][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   93.447257][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.447261][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   93.447264][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.909643][ T2165] softirqs last disabled at (23758): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   94.909647][ T2165] Preemption disabled at:
| [   94.909648][ T2165] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.909659][ T2165] Tainted: [W]=WARN
[   94.909660][ T2165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.909662][ T2165] Call Trace:
[   94.909664][ T2165]  <TASK>
[   94.909666][ T2165]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.909674][ T2165]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.909677][ T2165]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.909683][ T2165]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.909690][ T2165]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   94.909696][ T2165]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   94.909700][ T2165]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.909710][ T2165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   94.909714][ T2165]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.909720][ T2165]  put_chars (drivers/char/virtio_console.c:1176)
[   94.909724][ T2165]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.909736][ T2165]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.909749][ T2165]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.909754][ T2165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.909762][ T2165]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.909769][ T2165]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.909772][ T2165]  ? 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))
[   94.909777][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.909782][ T2165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.909789][ T2165]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.909796][ T2165]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.909799][ T2165]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.909809][ T2165]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.909814][ T2165]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.909817][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.909820][ T2165]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   94.909827][ T2165]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.909830][ T2165]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.909835][ T2165]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.909841][ T2165]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.909846][ T2165]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   94.909854][ T2165]  _printk (kernel/printk/printk.c:2504)
[   94.909859][ T2165]  ? snapshot_read.cold (user.c:?)
[   94.909862][ T2165]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.909867][ T2165]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.909872][ T2165]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.909875][ T2165]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   94.909880][ T2165]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   94.909885][ T2165]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   94.909889][ T2165]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   94.909894][ T2165]  ? netdev_notice (net/core/dev.c:13194)
[   94.909899][ T2165]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.909904][ T2165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.909908][ T2165]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   94.909914][ T2165]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   94.909918][ T2165]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   94.909922][ T2165]  ? register_netdev (net/core/dev.c:11618)
[   94.909924][ T2165]  ? 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))
[   94.909933][ T2165]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   94.909937][ T2165]  ? __kernel_text_address (kernel/extable.c:79)
[   94.909941][ T2165]  ? write_profile (profile.c:?)
[   94.909948][ T2165]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   94.909957][ T2165]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   94.909963][ T2165]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   94.909966][ T2165]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   94.909969][ T2165]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   94.909972][ T2165]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   94.909977][ T2165]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.909980][ T2165]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.909984][ T2165]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.909988][ T2165]  ? kasan_save_stack (mm/kasan/common.c:58)
[   94.909991][ T2165]  ? kasan_save_stack (mm/kasan/common.c:57)
[   94.909993][ T2165]  ? kasan_save_track (mm/kasan/common.c:78)
[   94.909995][ T2165]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.909999][ T2165]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.910003][ T2165]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   94.910007][ T2165]  ? ___sys_sendmsg (net/socket.c:2758)
[   94.910014][ T2165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.910017][ T2165]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.910022][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.910025][ T2165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.910028][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.910030][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.910033][ T2165]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   94.910037][ T2165]  ? __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)
[   94.910039][ T2165]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   94.910043][ T2165]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.910049][ T2165]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   94.910051][ T2165]  ? nla_get_range_signed (lib/nlattr.c:270)
[   94.910060][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.910064][ T2165]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   94.910074][ T2165]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.910084][ T2165]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.910088][ T2165]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.910096][ T2165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.910099][ T2165]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.910102][ T2165]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.910106][ T2165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.910113][ T2165]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.910116][ T2165]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.910126][ T2165]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.910128][ T2165]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.910137][ T2165]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.910140][ T2165]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.910147][ T2165]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.910151][ T2165]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.910157][ T2165]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.910169][ T2165]  ? 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))
[   94.910172][ T2165]  ? 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))
[   94.910180][ T2165]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.910187][ T2165]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.910192][ T2165]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.910200][ T2165]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.910207][ T2165]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.910214][ T2165]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.910217][ T2165]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   94.910225][ T2165]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.910231][ T2165]  ____sys_sendmsg (net/socket.c:2713)
[   94.910234][ T2165]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.910238][ T2165]  ? sock_write_iter (net/socket.c:1269)
[   94.910241][ T2165]  ? move_addr_to_kernel (net/socket.c:258)
[   94.910255][ T2165]  ___sys_sendmsg (net/socket.c:2767)
[   94.910260][ T2165]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.910291][ T2165]  __sys_sendmsg (net/socket.c:2799)
[   94.910296][ T2165]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.910308][ T2165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.910314][ T2165]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.910318][ T2165]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.910323][ T2165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.910327][ T2165] RIP: 0033:0x7fcb26ca254e
[   94.910331][ T2165] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   94.910334][ T2165] RSP: 002b:00007ffe9851f7d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.910339][ T2165] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb26ca254e
[   94.910341][ T2165] RDX: 0000000000000000 RSI: 00007ffe9851f880 RDI: 0000000000000005
[   94.910343][ T2165] RBP: 00007ffe9851f7e0 R08: 0000000000000000 R09: 0000000000000000
[   94.910344][ T2165] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911024
[   94.910346][ T2165] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9851ff40
| [   97.019580][ T2239] softirqs last disabled at (18721): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   97.019583][ T2239] Preemption disabled at:
| [   97.019583][ T2239] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.019592][ T2239] Tainted: [W]=WARN
[   97.019593][ T2239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.019595][ T2239] Call Trace:
[   97.019597][ T2239]  <TASK>
[   97.019598][ T2239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.019605][ T2239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.019606][ T2239]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.019611][ T2239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.019615][ T2239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   97.019620][ T2239]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   97.019622][ T2239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.019629][ T2239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   97.019632][ T2239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.019635][ T2239]  put_chars (drivers/char/virtio_console.c:1176)
[   97.019638][ T2239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.019639][ T2239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.019643][ T2239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.019646][ T2239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.019651][ T2239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.019655][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.019664][ T2239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.019668][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.019673][ T2239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.019677][ T2239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.019679][ T2239]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   97.019683][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.019685][ T2239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.019689][ T2239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.019693][ T2239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.019695][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.019701][ T2239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.019704][ T2239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.019706][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.019707][ T2239]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   97.019711][ T2239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.019713][ T2239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.019716][ T2239]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.019719][ T2239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.019724][ T2239]  _printk (kernel/printk/printk.c:2504)
[   97.019728][ T2239]  ? snapshot_read.cold (user.c:?)
[   97.019732][ T2239]  ? br_multicast_flood (??:?)
[   97.019736][ T2239]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   97.019737][ T2239]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   97.019739][ T2239]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.019743][ T2239]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   97.019748][ T2239]  br_init_port (net/bridge/br_stp_if.c:39)
[   97.019750][ T2239]  new_nbp (net/bridge/br_if.c:449)
[   97.019754][ T2239]  br_add_if (net/bridge/br_if.c:592)
[   97.019756][ T2239]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   97.019764][ T2239]  do_set_master (net/core/rtnetlink.c:3071)
[   97.019768][ T2239]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   97.019771][ T2239]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   97.019773][ T2239]  ? __dev_get_by_name (net/core/dev.c:905)
[   97.019775][ T2239]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   97.019785][ T2239]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   97.019792][ T2239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.019797][ T2239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.019799][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.019806][ T2239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.019810][ T2239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.019812][ T2239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.019816][ T2239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.019817][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.019822][ T2239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.019824][ T2239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.019830][ T2239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.019834][ T2239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.019838][ T2239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.019844][ T2239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   97.019847][ T2239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   97.019851][ T2239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.019855][ T2239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.019861][ T2239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.019865][ T2239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.019869][ T2239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.019871][ T2239]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   97.019877][ T2239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.019881][ T2239]  ____sys_sendmsg (net/socket.c:2713)
[   97.019883][ T2239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.019886][ T2239]  ? sock_write_iter (net/socket.c:1269)
[   97.019887][ T2239]  ? move_addr_to_kernel (net/socket.c:258)
[   97.019892][ T2239]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   97.019895][ T2239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.019898][ T2239]  ___sys_sendmsg (net/socket.c:2767)
[   97.019900][ T2239]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   97.019903][ T2239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.019906][ T2239]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   97.019921][ T2239]  __sys_sendmsg (net/socket.c:2799)
[   97.019924][ T2239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.019930][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.019932][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.019935][ T2239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.019938][ T2239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.019942][ T2239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.019944][ T2239] RIP: 0033:0x7fb9d821454e
[   97.019948][ T2239] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   97.019950][ T2239] RSP: 002b:00007ffe51db07b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.019953][ T2239] RAX: ffffffffffffffda RBX: 00007ffe51db0f78 RCX: 00007fb9d821454e
[   97.019954][ T2239] RDX: 0000000000000000 RSI: 00007ffe51db0860 RDI: 0000000000000005
[   97.019955][ T2239] RBP: 00007ffe51db07c0 R08: 0000000000000000 R09: 0000000000000000
[   97.019956][ T2239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911026
[   97.019957][ T2239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe51db0f30
| [   98.399626][ T2276] softirqs last disabled at (21877): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   98.399629][ T2276] Preemption disabled at:
| [   98.399630][ T2276] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.399639][ T2276] Tainted: [W]=WARN
[   98.399639][ T2276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.399641][ T2276] Call Trace:
[   98.399643][ T2276]  <TASK>
[   98.399645][ T2276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.399651][ T2276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.399652][ T2276]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.399657][ T2276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.399661][ T2276]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.399666][ T2276]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   98.399668][ T2276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.399675][ T2276]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.399678][ T2276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.399682][ T2276]  put_chars (drivers/char/virtio_console.c:1176)
[   98.399685][ T2276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.399691][ T2276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.399700][ T2276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.399703][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.399708][ T2276]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.399712][ T2276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.399714][ T2276]  ? 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))
[   98.399717][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.399720][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.399724][ T2276]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.399729][ T2276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.399731][ T2276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.399737][ T2276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.399740][ T2276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.399742][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.399743][ T2276]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   98.399747][ T2276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.399749][ T2276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.399752][ T2276]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.399755][ T2276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.399758][ T2276]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   98.399763][ T2276]  _printk (kernel/printk/printk.c:2504)
[   98.399767][ T2276]  ? snapshot_read.cold (user.c:?)
[   98.399769][ T2276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.399772][ T2276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.399775][ T2276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.399777][ T2276]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.399781][ T2276]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.399784][ T2276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   98.399786][ T2276]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.399789][ T2276]  ? netdev_notice (net/core/dev.c:13194)
[   98.399792][ T2276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.399795][ T2276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.399798][ T2276]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   98.399802][ T2276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   98.399804][ T2276]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   98.399806][ T2276]  ? register_netdev (net/core/dev.c:11618)
[   98.399809][ T2276]  ? 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))
[   98.399814][ T2276]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   98.399818][ T2276]  ? __kernel_text_address (kernel/extable.c:79)
[   98.399820][ T2276]  ? write_profile (profile.c:?)
[   98.399825][ T2276]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   98.399831][ T2276]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   98.399834][ T2276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   98.399837][ T2276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   98.399838][ T2276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.399841][ T2276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.399846][ T2276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.399849][ T2276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.399852][ T2276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.399857][ T2276]  ? kasan_save_stack (mm/kasan/common.c:58)
[   98.399859][ T2276]  ? kasan_save_stack (mm/kasan/common.c:57)
[   98.399861][ T2276]  ? kasan_save_track (mm/kasan/common.c:78)
[   98.399862][ T2276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.399865][ T2276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.399867][ T2276]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   98.399870][ T2276]  ? ___sys_sendmsg (net/socket.c:2758)
[   98.399874][ T2276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.399876][ T2276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   98.399879][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.399881][ T2276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.399882][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.399883][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.399885][ T2276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   98.399888][ T2276]  ? __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)
[   98.399889][ T2276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   98.399891][ T2276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   98.399894][ T2276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   98.399896][ T2276]  ? nla_get_range_signed (lib/nlattr.c:270)
[   98.399901][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.399903][ T2276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   98.399909][ T2276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   98.399914][ T2276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   98.399916][ T2276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.399921][ T2276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.399923][ T2276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.399925][ T2276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   98.399927][ T2276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.399931][ T2276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   98.399933][ T2276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   98.399936][ T2276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.399937][ T2276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.399942][ T2276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.399944][ T2276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.399948][ T2276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   98.399951][ T2276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.399954][ T2276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.399961][ T2276]  ? 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))
[   98.399963][ T2276]  ? 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))
[   98.399968][ T2276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.399972][ T2276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.399974][ T2276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   98.399979][ T2276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   98.399983][ T2276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   98.399987][ T2276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.399989][ T2276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   98.399995][ T2276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   98.399998][ T2276]  ____sys_sendmsg (net/socket.c:2713)
[   98.400000][ T2276]  ? copy_msghdr_from_user (net/socket.c:2650)
[   98.400003][ T2276]  ? sock_write_iter (net/socket.c:1269)
[   98.400004][ T2276]  ? move_addr_to_kernel (net/socket.c:258)
[   98.400012][ T2276]  ___sys_sendmsg (net/socket.c:2767)
[   98.400016][ T2276]  ? copy_msghdr_from_user (net/socket.c:2619)
[   98.400033][ T2276]  __sys_sendmsg (net/socket.c:2799)
[   98.400036][ T2276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   98.400043][ T2276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.400046][ T2276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   98.400049][ T2276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   98.400052][ T2276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.400054][ T2276] RIP: 0033:0x7fa63966254e
[   98.400059][ T2276] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   98.400061][ T2276] RSP: 002b:00007fff55d31000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.400063][ T2276] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa63966254e
[   98.400065][ T2276] RDX: 0000000000000000 RSI: 00007fff55d310b0 RDI: 0000000000000005
[   98.400066][ T2276] RBP: 00007fff55d31010 R08: 0000000000000000 R09: 0000000000000000
[   98.400066][ T2276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911027
[   98.400067][ T2276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff55d31770
| [   99.409369][ T2312] softirqs last disabled at (16420): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   99.409371][ T2312] Preemption disabled at:
| [   99.409372][ T2312] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.409380][ T2312] Tainted: [W]=WARN
[   99.409381][ T2312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.409383][ T2312] Call Trace:
[   99.409385][ T2312]  <TASK>
[   99.409387][ T2312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.409393][ T2312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.409395][ T2312]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.409399][ T2312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.409403][ T2312]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.409407][ T2312]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.409409][ T2312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.409416][ T2312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.409419][ T2312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.409422][ T2312]  put_chars (drivers/char/virtio_console.c:1176)
[   99.409425][ T2312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.409426][ T2312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.409430][ T2312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.409433][ T2312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.409438][ T2312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.409442][ T2312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.409447][ T2312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.409450][ T2312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.409455][ T2312]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.409459][ T2312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.409461][ T2312]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   99.409464][ T2312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.409466][ T2312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.409469][ T2312]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.409474][ T2312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.409475][ T2312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.409481][ T2312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.409484][ T2312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.409485][ T2312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.409487][ T2312]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   99.409491][ T2312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.409493][ T2312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.409495][ T2312]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.409501][ T2312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.409503][ T2312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.409506][ T2312]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   99.409509][ T2312]  _printk (kernel/printk/printk.c:2504)
[   99.409513][ T2312]  ? snapshot_read.cold (user.c:?)
[   99.409517][ T2312]  ? br_multicast_flood (??:?)
[   99.409520][ T2312]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   99.409521][ T2312]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   99.409522][ T2312]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.409526][ T2312]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   99.409530][ T2312]  br_init_port (net/bridge/br_stp_if.c:39)
[   99.409533][ T2312]  new_nbp (net/bridge/br_if.c:449)
[   99.409537][ T2312]  br_add_if (net/bridge/br_if.c:592)
[   99.409539][ T2312]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   99.409546][ T2312]  do_set_master (net/core/rtnetlink.c:3071)
[   99.409550][ T2312]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   99.409553][ T2312]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   99.409555][ T2312]  ? __dev_get_by_name (net/core/dev.c:905)
[   99.409557][ T2312]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   99.409566][ T2312]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   99.409573][ T2312]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.409578][ T2312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.409580][ T2312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.409587][ T2312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.409591][ T2312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.409593][ T2312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.409597][ T2312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.409598][ T2312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.409603][ T2312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.409605][ T2312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.409609][ T2312]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.409612][ T2312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.409615][ T2312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.409622][ T2312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.409624][ T2312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.409628][ T2312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.409632][ T2312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.409638][ T2312]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.409642][ T2312]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.409646][ T2312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.409647][ T2312]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.409653][ T2312]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.409657][ T2312]  ____sys_sendmsg (net/socket.c:2713)
[   99.409659][ T2312]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.409661][ T2312]  ? sock_write_iter (net/socket.c:1269)
[   99.409663][ T2312]  ? move_addr_to_kernel (net/socket.c:258)
[   99.409667][ T2312]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   99.409670][ T2312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.409674][ T2312]  ___sys_sendmsg (net/socket.c:2767)
[   99.409675][ T2312]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   99.409678][ T2312]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.409680][ T2312]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   99.409695][ T2312]  __sys_sendmsg (net/socket.c:2799)
[   99.409698][ T2312]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.409703][ T2312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.409705][ T2312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.409708][ T2312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.409712][ T2312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.409715][ T2312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.409718][ T2312] RIP: 0033:0x7fb8d147c54e
[   99.409721][ T2312] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.409723][ T2312] RSP: 002b:00007fffef6e4930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.409726][ T2312] RAX: ffffffffffffffda RBX: 00007fffef6e50f8 RCX: 00007fb8d147c54e
[   99.409727][ T2312] RDX: 0000000000000000 RSI: 00007fffef6e49e0 RDI: 0000000000000005
[   99.409728][ T2312] RBP: 00007fffef6e4940 R08: 0000000000000000 R09: 0000000000000000
[   99.409729][ T2312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911028
[   99.409730][ T2312] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffef6e50b0
| [  100.537904][ T2342] softirqs last disabled at (18188): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  100.537906][ T2342] Preemption disabled at:
| [  100.537907][ T2342] vprintk_emit (kernel/printk/printk.c:2471)
| [  100.537915][ T2342] Tainted: [W]=WARN
[  100.537916][ T2342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.537918][ T2342] Call Trace:
[  100.537919][ T2342]  <TASK>
[  100.537921][ T2342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  100.537927][ T2342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  100.537929][ T2342]  __might_resched.cold (kernel/sched/core.c:9234)
[  100.537933][ T2342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  100.537937][ T2342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  100.537942][ T2342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  100.537944][ T2342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.537951][ T2342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  100.537953][ T2342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  100.537957][ T2342]  put_chars (drivers/char/virtio_console.c:1176)
[  100.537960][ T2342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  100.537961][ T2342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  100.537965][ T2342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.537968][ T2342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  100.537973][ T2342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  100.537977][ T2342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.537982][ T2342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  100.537985][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.537990][ T2342]  console_emit_next_record (kernel/printk/printk.c:3183)
[  100.537994][ T2342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  100.537996][ T2342]  ? 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))
[  100.537999][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.538001][ T2342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  100.538005][ T2342]  console_flush_one_record (kernel/printk/printk.c:3268)
[  100.538010][ T2342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  100.538012][ T2342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.538017][ T2342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  100.538020][ T2342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  100.538022][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.538024][ T2342]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  100.538028][ T2342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  100.538029][ T2342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  100.538032][ T2342]  vprintk_emit (kernel/printk/printk.c:2479)
[  100.538035][ T2342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  100.538037][ T2342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.538040][ T2342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  100.538044][ T2342]  _printk (kernel/printk/printk.c:2504)
[  100.538048][ T2342]  ? snapshot_read.cold (user.c:?)
[  100.538051][ T2342]  ? br_multicast_flood (??:?)
[  100.538054][ T2342]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  100.538056][ T2342]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  100.538057][ T2342]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  100.538061][ T2342]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  100.538066][ T2342]  br_init_port (net/bridge/br_stp_if.c:39)
[  100.538068][ T2342]  new_nbp (net/bridge/br_if.c:449)
[  100.538072][ T2342]  br_add_if (net/bridge/br_if.c:592)
[  100.538074][ T2342]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  100.538082][ T2342]  do_set_master (net/core/rtnetlink.c:3071)
[  100.538085][ T2342]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  100.538089][ T2342]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  100.538091][ T2342]  ? __dev_get_by_name (net/core/dev.c:905)
[  100.538093][ T2342]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  100.538103][ T2342]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  100.538109][ T2342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  100.538115][ T2342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.538117][ T2342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.538124][ T2342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.538128][ T2342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  100.538130][ T2342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  100.538133][ T2342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.538134][ T2342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  100.538143][ T2342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  100.538145][ T2342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.538149][ T2342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  100.538153][ T2342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.538156][ T2342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.538162][ T2342]  ? 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))
[  100.538164][ T2342]  ? 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))
[  100.538169][ T2342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.538173][ T2342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.538179][ T2342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  100.538183][ T2342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  100.538187][ T2342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  100.538188][ T2342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  100.538194][ T2342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  100.538198][ T2342]  ____sys_sendmsg (net/socket.c:2713)
[  100.538200][ T2342]  ? copy_msghdr_from_user (net/socket.c:2650)
[  100.538202][ T2342]  ? sock_write_iter (net/socket.c:1269)
[  100.538204][ T2342]  ? move_addr_to_kernel (net/socket.c:258)
[  100.538209][ T2342]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  100.538211][ T2342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  100.538215][ T2342]  ___sys_sendmsg (net/socket.c:2767)
[  100.538217][ T2342]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  100.538219][ T2342]  ? copy_msghdr_from_user (net/socket.c:2619)
[  100.538222][ T2342]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  100.538236][ T2342]  __sys_sendmsg (net/socket.c:2799)
[  100.538239][ T2342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  100.538245][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.538247][ T2342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  100.538250][ T2342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  100.538253][ T2342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  100.538256][ T2342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.538259][ T2342] RIP: 0033:0x7f72811f254e
[  100.538263][ T2342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  100.538264][ T2342] RSP: 002b:00007fffc53d1bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.538267][ T2342] RAX: ffffffffffffffda RBX: 00007fffc53d23b8 RCX: 00007f72811f254e
[  100.538268][ T2342] RDX: 0000000000000000 RSI: 00007fffc53d1ca0 RDI: 0000000000000005
[  100.538269][ T2342] RBP: 00007fffc53d1c00 R08: 0000000000000000 R09: 0000000000000000
[  100.538270][ T2342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911029
[  100.538271][ T2342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc53d2370
| [  107.823096][   T12] softirqs last disabled at (1633094): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  107.823100][   T12] Preemption disabled at:
| [  107.823101][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  107.823114][   T12] Tainted: [W]=WARN
[  107.823115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.823118][   T12] Workqueue: netns cleanup_net
[  107.823123][   T12] Call Trace:
[  107.823126][   T12]  <TASK>
[  107.823129][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.823137][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  107.823141][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.823148][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.823155][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  107.823163][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  107.823173][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.823184][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.823188][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.823195][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  107.823200][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.823202][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  107.823208][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  107.823213][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  107.823224][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.823230][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.823242][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.823248][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.823259][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.823267][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.823270][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  107.823276][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.823279][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.823287][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.823296][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.823299][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  107.823310][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.823316][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.823319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.823322][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  107.823330][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.823333][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.823339][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.823346][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.823348][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  107.823352][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  107.823356][   T12]  ? kthread (kernel/kthread.c:436)
[  107.823359][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  107.823363][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  107.823372][   T12]  _printk (kernel/printk/printk.c:2504)
[  107.823378][   T12]  ? snapshot_read.cold (user.c:?)
[  107.823387][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  107.823393][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  107.823401][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  107.823406][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  107.823415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.823419][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  107.823424][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  107.823428][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.823433][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  107.823441][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  107.823447][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  107.823459][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  107.823465][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  107.823471][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  107.823478][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  107.823483][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.823486][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  107.823492][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  107.823506][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  107.823513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.823521][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.823525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.823532][   T12]  process_one_work (kernel/workqueue.c:3387)
[  107.823546][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  107.823552][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  107.823569][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  107.823585][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  107.823588][   T12]  kthread (kernel/kthread.c:436)
[  107.823592][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.823597][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  107.823602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.823608][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  107.823614][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.823619][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  107.823625][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  109.116456][ T2490] softirqs last disabled at (21016): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  109.116458][ T2490] Preemption disabled at:
| [  109.116459][ T2490] vprintk_emit (kernel/printk/printk.c:2471)
| [  109.116468][ T2490] Tainted: [W]=WARN
[  109.116469][ T2490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.116471][ T2490] Call Trace:
[  109.116472][ T2490]  <TASK>
[  109.116474][ T2490]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.116480][ T2490]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  109.116482][ T2490]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.116486][ T2490]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.116491][ T2490]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  109.116495][ T2490]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  109.116500][ T2490]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.116507][ T2490]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  109.116510][ T2490]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.116514][ T2490]  put_chars (drivers/char/virtio_console.c:1176)
[  109.116516][ T2490]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.116522][ T2490]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.116530][ T2490]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.116533][ T2490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.116538][ T2490]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.116542][ T2490]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.116543][ T2490]  ? 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))
[  109.116547][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116549][ T2490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.116553][ T2490]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.116558][ T2490]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.116560][ T2490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.116565][ T2490]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.116568][ T2490]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.116570][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116571][ T2490]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  109.116575][ T2490]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.116577][ T2490]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.116580][ T2490]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.116583][ T2490]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.116585][ T2490]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  109.116591][ T2490]  _printk (kernel/printk/printk.c:2504)
[  109.116594][ T2490]  ? snapshot_read.cold (user.c:?)
[  109.116596][ T2490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  109.116599][ T2490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  109.116602][ T2490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  109.116604][ T2490]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  109.116608][ T2490]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  109.116611][ T2490]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  109.116613][ T2490]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  109.116616][ T2490]  ? netdev_notice (net/core/dev.c:13194)
[  109.116619][ T2490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  109.116622][ T2490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.116624][ T2490]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  109.116628][ T2490]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  109.116630][ T2490]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  109.116632][ T2490]  ? register_netdev (net/core/dev.c:11618)
[  109.116634][ T2490]  ? 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))
[  109.116639][ T2490]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  109.116641][ T2490]  ? __kernel_text_address (kernel/extable.c:79)
[  109.116644][ T2490]  ? write_profile (profile.c:?)
[  109.116648][ T2490]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  109.116654][ T2490]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  109.116658][ T2490]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  109.116660][ T2490]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  109.116661][ T2490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  109.116663][ T2490]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  109.116666][ T2490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  109.116668][ T2490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  109.116670][ T2490]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  109.116673][ T2490]  ? kasan_save_stack (mm/kasan/common.c:58)
[  109.116675][ T2490]  ? kasan_save_stack (mm/kasan/common.c:57)
[  109.116676][ T2490]  ? kasan_save_track (mm/kasan/common.c:78)
[  109.116677][ T2490]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  109.116679][ T2490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.116681][ T2490]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  109.116684][ T2490]  ? ___sys_sendmsg (net/socket.c:2758)
[  109.116688][ T2490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  109.116690][ T2490]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  109.116693][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116695][ T2490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.116696][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116698][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116699][ T2490]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  109.116702][ T2490]  ? __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)
[  109.116703][ T2490]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  109.116705][ T2490]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  109.116708][ T2490]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  109.116709][ T2490]  ? nla_get_range_signed (lib/nlattr.c:270)
[  109.116714][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116717][ T2490]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  109.116722][ T2490]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  109.116727][ T2490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.116729][ T2490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.116734][ T2490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  109.116736][ T2490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  109.116738][ T2490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.116739][ T2490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.116743][ T2490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.116745][ T2490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  109.116748][ T2490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.116750][ T2490]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  109.116754][ T2490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  109.116756][ T2490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  109.116760][ T2490]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  109.116763][ T2490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.116766][ T2490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  109.116772][ T2490]  ? 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))
[  109.116774][ T2490]  ? 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))
[  109.116779][ T2490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  109.116783][ T2490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  109.116786][ T2490]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  109.116790][ T2490]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  109.116794][ T2490]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  109.116798][ T2490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  109.116799][ T2490]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  109.116805][ T2490]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  109.116807][ T2490]  ____sys_sendmsg (net/socket.c:2713)
[  109.116810][ T2490]  ? copy_msghdr_from_user (net/socket.c:2650)
[  109.116812][ T2490]  ? sock_write_iter (net/socket.c:1269)
[  109.116814][ T2490]  ? move_addr_to_kernel (net/socket.c:258)
[  109.116821][ T2490]  ___sys_sendmsg (net/socket.c:2767)
[  109.116824][ T2490]  ? copy_msghdr_from_user (net/socket.c:2619)
[  109.116840][ T2490]  __sys_sendmsg (net/socket.c:2799)
[  109.116843][ T2490]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  109.116849][ T2490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.116852][ T2490]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  109.116855][ T2490]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  109.116858][ T2490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.116860][ T2490] RIP: 0033:0x7f88e090c54e
[  109.116864][ T2490] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  109.116865][ T2490] RSP: 002b:00007fff57c6f9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  109.116868][ T2490] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f88e090c54e
[  109.116869][ T2490] RDX: 0000000000000000 RSI: 00007fff57c6fa70 RDI: 0000000000000005
[  109.116870][ T2490] RBP: 00007fff57c6f9d0 R08: 0000000000000000 R09: 0000000000000000
[  109.116871][ T2490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911032
[  109.116872][ T2490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff57c70130
| [  111.039073][ T2564] softirqs last disabled at (27690): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  111.039076][ T2564] Preemption disabled at:
| [  111.039077][ T2564] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.039089][ T2564] Tainted: [W]=WARN
[  111.039090][ T2564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.039092][ T2564] Call Trace:
[  111.039094][ T2564]  <TASK>
[  111.039097][ T2564]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.039104][ T2564]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.039107][ T2564]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.039113][ T2564]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.039118][ T2564]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  111.039125][ T2564]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.039128][ T2564]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.039138][ T2564]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.039141][ T2564]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.039145][ T2564]  put_chars (drivers/char/virtio_console.c:1176)
[  111.039148][ T2564]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.039149][ T2564]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  111.039153][ T2564]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.039156][ T2564]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.039161][ T2564]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.039166][ T2564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.039171][ T2564]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.039174][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.039185][ T2564]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.039189][ T2564]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.039191][ T2564]  ? 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))
[  111.039195][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.039197][ T2564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.039201][ T2564]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.039206][ T2564]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.039208][ T2564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.039213][ T2564]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.039216][ T2564]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.039218][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.039220][ T2564]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.039224][ T2564]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.039226][ T2564]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.039229][ T2564]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.039233][ T2564]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.039234][ T2564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.039237][ T2564]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  111.039241][ T2564]  _printk (kernel/printk/printk.c:2504)
[  111.039245][ T2564]  ? snapshot_read.cold (user.c:?)
[  111.039249][ T2564]  ? br_multicast_flood (??:?)
[  111.039252][ T2564]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  111.039253][ T2564]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  111.039254][ T2564]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  111.039259][ T2564]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  111.039263][ T2564]  br_init_port (net/bridge/br_stp_if.c:39)
[  111.039266][ T2564]  new_nbp (net/bridge/br_if.c:449)
[  111.039270][ T2564]  br_add_if (net/bridge/br_if.c:592)
[  111.039272][ T2564]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  111.039280][ T2564]  do_set_master (net/core/rtnetlink.c:3071)
[  111.039284][ T2564]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  111.039287][ T2564]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  111.039289][ T2564]  ? __dev_get_by_name (net/core/dev.c:905)
[  111.039291][ T2564]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  111.039301][ T2564]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  111.039308][ T2564]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  111.039313][ T2564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.039315][ T2564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.039322][ T2564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.039326][ T2564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.039329][ T2564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  111.039332][ T2564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.039333][ T2564]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.039338][ T2564]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.039340][ T2564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.039344][ T2564]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  111.039347][ T2564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.039351][ T2564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  111.039357][ T2564]  ? 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))
[  111.039359][ T2564]  ? 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))
[  111.039364][ T2564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  111.039368][ T2564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  111.039374][ T2564]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  111.039378][ T2564]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  111.039382][ T2564]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.039384][ T2564]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  111.039390][ T2564]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  111.039394][ T2564]  ____sys_sendmsg (net/socket.c:2713)
[  111.039396][ T2564]  ? copy_msghdr_from_user (net/socket.c:2650)
[  111.039399][ T2564]  ? sock_write_iter (net/socket.c:1269)
[  111.039400][ T2564]  ? move_addr_to_kernel (net/socket.c:258)
[  111.039405][ T2564]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  111.039408][ T2564]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.039411][ T2564]  ___sys_sendmsg (net/socket.c:2767)
[  111.039413][ T2564]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  111.039416][ T2564]  ? copy_msghdr_from_user (net/socket.c:2619)
[  111.039419][ T2564]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  111.039434][ T2564]  __sys_sendmsg (net/socket.c:2799)
[  111.039437][ T2564]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  111.039443][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.039444][ T2564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.039448][ T2564]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  111.039451][ T2564]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  111.039455][ T2564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  111.039457][ T2564] RIP: 0033:0x7fc6cefaf54e
[  111.039461][ T2564] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  111.039463][ T2564] RSP: 002b:00007ffc3e95d500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  111.039466][ T2564] RAX: ffffffffffffffda RBX: 00007ffc3e95dcc8 RCX: 00007fc6cefaf54e
[  111.039467][ T2564] RDX: 0000000000000000 RSI: 00007ffc3e95d5b0 RDI: 0000000000000005
[  111.039468][ T2564] RBP: 00007ffc3e95d510 R08: 0000000000000000 R09: 0000000000000000
[  111.039469][ T2564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911034
[  111.039470][ T2564] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3e95dc80
| [  112.335594][ T2601] softirqs last disabled at (19128): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  112.335597][ T2601] Preemption disabled at:
| [  112.335598][ T2601] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.335607][ T2601] Tainted: [W]=WARN
[  112.335608][ T2601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.335609][ T2601] Call Trace:
[  112.335611][ T2601]  <TASK>
[  112.335613][ T2601]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.335619][ T2601]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.335621][ T2601]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.335626][ T2601]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.335631][ T2601]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  112.335635][ T2601]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  112.335638][ T2601]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.335645][ T2601]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.335648][ T2601]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.335652][ T2601]  put_chars (drivers/char/virtio_console.c:1176)
[  112.335655][ T2601]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.335662][ T2601]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.335671][ T2601]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.335674][ T2601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.335679][ T2601]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.335684][ T2601]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.335686][ T2601]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  112.335689][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.335692][ T2601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.335696][ T2601]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.335701][ T2601]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.335703][ T2601]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.335709][ T2601]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.335712][ T2601]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.335714][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.335716][ T2601]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  112.335720][ T2601]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.335722][ T2601]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.335725][ T2601]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.335728][ T2601]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.335734][ T2601]  _printk (kernel/printk/printk.c:2504)
[  112.335738][ T2601]  ? snapshot_read.cold (user.c:?)
[  112.335740][ T2601]  ? __schedule (kernel/sched/core.c:7277)
[  112.335747][ T2601]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.335751][ T2601]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.335754][ T2601]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.335756][ T2601]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.335759][ T2601]  ? netdev_notice (net/core/dev.c:13194)
[  112.335763][ T2601]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  112.335767][ T2601]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  112.335770][ T2601]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[  112.335774][ T2601]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.335777][ T2601]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  112.335779][ T2601]  ? register_netdev (net/core/dev.c:11618)
[  112.335781][ T2601]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  112.335787][ T2601]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  112.335789][ T2601]  ? __kernel_text_address (kernel/extable.c:79)
[  112.335792][ T2601]  ? write_profile (profile.c:?)
[  112.335797][ T2601]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  112.335803][ T2601]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.335807][ T2601]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  112.335809][ T2601]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  112.335811][ T2601]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  112.335813][ T2601]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  112.335817][ T2601]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.335819][ T2601]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.335821][ T2601]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.335824][ T2601]  ? kasan_save_stack (mm/kasan/common.c:58)
[  112.335826][ T2601]  ? kasan_save_stack (mm/kasan/common.c:57)
[  112.335828][ T2601]  ? kasan_save_track (mm/kasan/common.c:78)
[  112.335829][ T2601]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  112.335832][ T2601]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.335834][ T2601]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  112.335837][ T2601]  ? ___sys_sendmsg (net/socket.c:2758)
[  112.335841][ T2601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.335843][ T2601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.335846][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.335848][ T2601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.335849][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.335851][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.335852][ T2601]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  112.335855][ T2601]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  112.335856][ T2601]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  112.335858][ T2601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.335862][ T2601]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  112.335863][ T2601]  ? nla_get_range_signed (lib/nlattr.c:270)
[  112.335868][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.335871][ T2601]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  112.335876][ T2601]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.335882][ T2601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.335884][ T2601]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.335889][ T2601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.335891][ T2601]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.335894][ T2601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.335896][ T2601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.335900][ T2601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.335902][ T2601]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.335905][ T2601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.335907][ T2601]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.335911][ T2601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.335913][ T2601]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.335917][ T2601]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.335921][ T2601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.335924][ T2601]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.335931][ T2601]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  112.335933][ T2601]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  112.335938][ T2601]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.335942][ T2601]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.335945][ T2601]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.335950][ T2601]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.335954][ T2601]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.335958][ T2601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.335960][ T2601]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  112.335965][ T2601]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  112.335968][ T2601]  ____sys_sendmsg (net/socket.c:2713)
[  112.335971][ T2601]  ? copy_msghdr_from_user (net/socket.c:2650)
[  112.335973][ T2601]  ? sock_write_iter (net/socket.c:1269)
[  112.335975][ T2601]  ? move_addr_to_kernel (net/socket.c:258)
[  112.335983][ T2601]  ___sys_sendmsg (net/socket.c:2767)
[  112.335986][ T2601]  ? copy_msghdr_from_user (net/socket.c:2619)
[  112.336005][ T2601]  __sys_sendmsg (net/socket.c:2799)
[  112.336008][ T2601]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  112.336015][ T2601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.336018][ T2601]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.336021][ T2601]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.336024][ T2601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.336027][ T2601] RIP: 0033:0x7f2bb773a54e
[  112.336031][ T2601] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  112.336033][ T2601] RSP: 002b:00007ffc20691090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.336036][ T2601] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2bb773a54e
[  112.336038][ T2601] RDX: 0000000000000000 RSI: 00007ffc20691140 RDI: 0000000000000005
[  112.336039][ T2601] RBP: 00007ffc206910a0 R08: 0000000000000000 R09: 0000000000000000
[  112.336039][ T2601] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911035
[  112.336040][ T2601] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc20691800
| [  114.396500][ T2668] softirqs last disabled at (23982): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  114.396502][ T2668] Preemption disabled at:
| [  114.396503][ T2668] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.396511][ T2668] Tainted: [W]=WARN
[  114.396512][ T2668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.396513][ T2668] Call Trace:
[  114.396515][ T2668]  <TASK>
[  114.396517][ T2668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.396523][ T2668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.396524][ T2668]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.396529][ T2668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.396533][ T2668]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  114.396538][ T2668]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  114.396540][ T2668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.396546][ T2668]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.396549][ T2668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.396553][ T2668]  put_chars (drivers/char/virtio_console.c:1176)
[  114.396556][ T2668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.396557][ T2668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  114.396561][ T2668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.396564][ T2668]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  114.396569][ T2668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.396573][ T2668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.396578][ T2668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.396581][ T2668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.396586][ T2668]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.396590][ T2668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.396592][ T2668]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  114.396595][ T2668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.396597][ T2668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.396601][ T2668]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.396605][ T2668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.396607][ T2668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.396613][ T2668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.396615][ T2668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.396617][ T2668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.396619][ T2668]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  114.396623][ T2668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.396625][ T2668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.396628][ T2668]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.396631][ T2668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.396633][ T2668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.396636][ T2668]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  114.396639][ T2668]  _printk (kernel/printk/printk.c:2504)
[  114.396643][ T2668]  ? snapshot_read.cold (user.c:?)
[  114.396646][ T2668]  ? br_multicast_flood (??:?)
[  114.396650][ T2668]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.396651][ T2668]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.396652][ T2668]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.396657][ T2668]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  114.396661][ T2668]  br_init_port (net/bridge/br_stp_if.c:39)
[  114.396664][ T2668]  new_nbp (net/bridge/br_if.c:449)
[  114.396668][ T2668]  br_add_if (net/bridge/br_if.c:592)
[  114.396670][ T2668]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  114.396677][ T2668]  do_set_master (net/core/rtnetlink.c:3071)
[  114.396681][ T2668]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.396685][ T2668]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  114.396686][ T2668]  ? __dev_get_by_name (net/core/dev.c:905)
[  114.396688][ T2668]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  114.396698][ T2668]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.396705][ T2668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.396710][ T2668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.396712][ T2668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.396719][ T2668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.396723][ T2668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.396725][ T2668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.396728][ T2668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.396729][ T2668]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.396734][ T2668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.396736][ T2668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.396740][ T2668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.396743][ T2668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.396746][ T2668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.396753][ T2668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  114.396755][ T2668]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  114.396760][ T2668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.396764][ T2668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.396770][ T2668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.396774][ T2668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.396778][ T2668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.396780][ T2668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.396785][ T2668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.396789][ T2668]  ____sys_sendmsg (net/socket.c:2713)
[  114.396792][ T2668]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.396794][ T2668]  ? sock_write_iter (net/socket.c:1269)
[  114.396796][ T2668]  ? move_addr_to_kernel (net/socket.c:258)
[  114.396800][ T2668]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  114.396803][ T2668]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.396807][ T2668]  ___sys_sendmsg (net/socket.c:2767)
[  114.396808][ T2668]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  114.396811][ T2668]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.396814][ T2668]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  114.396829][ T2668]  __sys_sendmsg (net/socket.c:2799)
[  114.396832][ T2668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.396837][ T2668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.396839][ T2668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.396842][ T2668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.396846][ T2668]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.396849][ T2668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.396851][ T2668] RIP: 0033:0x7f5cc1f8d54e
[  114.396855][ T2668] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  114.396857][ T2668] RSP: 002b:00007ffe27af4360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.396859][ T2668] RAX: ffffffffffffffda RBX: 00007ffe27af4b28 RCX: 00007f5cc1f8d54e
[  114.396861][ T2668] RDX: 0000000000000000 RSI: 00007ffe27af4410 RDI: 0000000000000005
[  114.396862][ T2668] RBP: 00007ffe27af4370 R08: 0000000000000000 R09: 0000000000000000
[  114.396863][ T2668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911037
[  114.396864][ T2668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe27af4ae0
| [  121.543504][   T12] softirqs last disabled at (1932622): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  121.543506][   T12] Preemption disabled at:
| [  121.543507][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.543516][   T12] Tainted: [W]=WARN
[  121.543517][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.543519][   T12] Workqueue: netns cleanup_net
[  121.543523][   T12] Call Trace:
[  121.543524][   T12]  <TASK>
[  121.543526][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.543532][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.543534][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.543539][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.543543][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  121.543547][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  121.543549][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.543556][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  121.543559][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.543563][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  121.543565][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.543567][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  121.543570][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  121.543573][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  121.543578][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.543583][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.543588][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.543591][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.543596][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.543600][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.543602][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  121.543606][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.543607][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.543612][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.543616][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.543618][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.543624][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.543627][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.543629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.543631][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  121.543635][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.543637][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.543640][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.543643][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.543645][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  121.543646][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  121.543648][   T12]  ? kthread (kernel/kthread.c:436)
[  121.543651][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  121.543654][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  121.543659][   T12]  _printk (kernel/printk/printk.c:2504)
[  121.543662][   T12]  ? snapshot_read.cold (user.c:?)
[  121.543667][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.543671][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.543675][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.543678][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  121.543682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.543684][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  121.543687][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  121.543689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  121.543691][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  121.543696][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  121.543700][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  121.543706][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  121.543710][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  121.543714][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  121.543717][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  121.543721][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  121.543723][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  121.543726][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  121.543731][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  121.543734][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  121.543738][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.543740][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.543744][   T12]  process_one_work (kernel/workqueue.c:3387)
[  121.543750][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  121.543753][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  121.543761][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  121.543768][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  121.543771][   T12]  kthread (kernel/kthread.c:436)
[  121.543773][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  121.543776][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  121.543779][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  121.543782][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  121.543786][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  121.543789][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  121.543792][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  122.912492][ T2817] softirqs last disabled at (30408): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  122.912495][ T2817] Preemption disabled at:
| [  122.912495][ T2817] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.912506][ T2817] Tainted: [W]=WARN
[  122.912507][ T2817] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.912509][ T2817] Call Trace:
[  122.912511][ T2817]  <TASK>
[  122.912512][ T2817]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.912519][ T2817]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.912520][ T2817]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.912525][ T2817]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.912529][ T2817]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  122.912534][ T2817]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  122.912536][ T2817]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.912543][ T2817]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  122.912546][ T2817]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.912550][ T2817]  put_chars (drivers/char/virtio_console.c:1176)
[  122.912552][ T2817]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.912559][ T2817]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.912566][ T2817]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.912570][ T2817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.912574][ T2817]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.912578][ T2817]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.912580][ T2817]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  122.912583][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912586][ T2817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.912590][ T2817]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.912595][ T2817]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.912597][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.912602][ T2817]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.912605][ T2817]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.912607][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912609][ T2817]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  122.912613][ T2817]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.912615][ T2817]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.912617][ T2817]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.912621][ T2817]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.912623][ T2817]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  122.912629][ T2817]  _printk (kernel/printk/printk.c:2504)
[  122.912632][ T2817]  ? snapshot_read.cold (user.c:?)
[  122.912634][ T2817]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.912637][ T2817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.912640][ T2817]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.912642][ T2817]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.912646][ T2817]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.912649][ T2817]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  122.912651][ T2817]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.912654][ T2817]  ? netdev_notice (net/core/dev.c:13194)
[  122.912657][ T2817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.912660][ T2817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.912663][ T2817]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  122.912666][ T2817]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  122.912668][ T2817]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  122.912671][ T2817]  ? register_netdev (net/core/dev.c:11618)
[  122.912672][ T2817]  ? 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))
[  122.912678][ T2817]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  122.912680][ T2817]  ? __kernel_text_address (kernel/extable.c:79)
[  122.912683][ T2817]  ? write_profile (profile.c:?)
[  122.912687][ T2817]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  122.912693][ T2817]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  122.912697][ T2817]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  122.912699][ T2817]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  122.912700][ T2817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  122.912702][ T2817]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  122.912706][ T2817]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.912708][ T2817]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.912710][ T2817]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.912712][ T2817]  ? kasan_save_stack (mm/kasan/common.c:58)
[  122.912714][ T2817]  ? kasan_save_stack (mm/kasan/common.c:57)
[  122.912715][ T2817]  ? kasan_save_track (mm/kasan/common.c:78)
[  122.912717][ T2817]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  122.912719][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.912721][ T2817]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  122.912724][ T2817]  ? ___sys_sendmsg (net/socket.c:2758)
[  122.912728][ T2817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.912730][ T2817]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  122.912733][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912735][ T2817]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.912736][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912737][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912739][ T2817]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  122.912741][ T2817]  ? __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)
[  122.912743][ T2817]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  122.912745][ T2817]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  122.912748][ T2817]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.912749][ T2817]  ? nla_get_range_signed (lib/nlattr.c:270)
[  122.912754][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912757][ T2817]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  122.912762][ T2817]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.912768][ T2817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.912770][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.912774][ T2817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.912776][ T2817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.912778][ T2817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.912780][ T2817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.912784][ T2817]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.912786][ T2817]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.912789][ T2817]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.912791][ T2817]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.912795][ T2817]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.912797][ T2817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.912801][ T2817]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.912804][ T2817]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.912807][ T2817]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.912814][ T2817]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  122.912816][ T2817]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  122.912821][ T2817]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.912825][ T2817]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.912828][ T2817]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.912832][ T2817]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.912836][ T2817]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.912840][ T2817]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.912842][ T2817]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  122.912847][ T2817]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  122.912850][ T2817]  ____sys_sendmsg (net/socket.c:2713)
[  122.912852][ T2817]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.912855][ T2817]  ? sock_write_iter (net/socket.c:1269)
[  122.912856][ T2817]  ? move_addr_to_kernel (net/socket.c:258)
[  122.912864][ T2817]  ___sys_sendmsg (net/socket.c:2767)
[  122.912867][ T2817]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.912883][ T2817]  __sys_sendmsg (net/socket.c:2799)
[  122.912885][ T2817]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.912892][ T2817]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.912895][ T2817]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.912898][ T2817]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.912901][ T2817]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.912904][ T2817] RIP: 0033:0x7f3acb3de54e
[  122.912908][ T2817] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  122.912910][ T2817] RSP: 002b:00007ffc67925930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.912913][ T2817] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3acb3de54e
[  122.912914][ T2817] RDX: 0000000000000000 RSI: 00007ffc679259e0 RDI: 0000000000000005
[  122.912915][ T2817] RBP: 00007ffc67925940 R08: 0000000000000000 R09: 0000000000000000
[  122.912916][ T2817] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911040
[  122.912917][ T2817] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc679260a0
| [  123.911987][ T2862] softirqs last disabled at (35606): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  123.911991][ T2862] Preemption disabled at:
| [  123.911992][ T2862] vprintk_emit (kernel/printk/printk.c:2471)
| [  123.912004][ T2862] Tainted: [W]=WARN
[  123.912005][ T2862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.912008][ T2862] Call Trace:
[  123.912010][ T2862]  <TASK>
[  123.912012][ T2862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.912020][ T2862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  123.912023][ T2862]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.912030][ T2862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.912036][ T2862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  123.912042][ T2862]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  123.912046][ T2862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.912056][ T2862]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  123.912059][ T2862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.912065][ T2862]  put_chars (drivers/char/virtio_console.c:1176)
[  123.912067][ T2862]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  123.912072][ T2862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.912077][ T2862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  123.912081][ T2862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  123.912086][ T2862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  123.912093][ T2862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.912098][ T2862]  ? mark_usage (kernel/locking/lockdep.c:4690)
[  123.912101][ T2862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.912104][ T2862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.912111][ T2862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.912116][ T2862]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[  123.912121][ T2862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.912125][ T2862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.912132][ T2862]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.912138][ T2862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.912141][ T2862]  ? 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))
[  123.912146][ T2862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.912149][ T2862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.912156][ T2862]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.912163][ T2862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.912166][ T2862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.912174][ T2862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.912179][ T2862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.912182][ T2862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.912185][ T2862]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  123.912191][ T2862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.912194][ T2862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.912199][ T2862]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.912204][ T2862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.912208][ T2862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  123.912216][ T2862]  _printk (kernel/printk/printk.c:2504)
[  123.912221][ T2862]  ? snapshot_read.cold (user.c:?)
[  123.912231][ T2862]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.912233][ T2862]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.912235][ T2862]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.912245][ T2862]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  123.912253][ T2862]  new_nbp (net/bridge/br_if.c:450)
[  123.912260][ T2862]  br_add_if (net/bridge/br_if.c:592)
[  123.912263][ T2862]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  123.912275][ T2862]  do_set_master (net/core/rtnetlink.c:3071)
[  123.912282][ T2862]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.912288][ T2862]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  123.912291][ T2862]  ? __dev_get_by_name (net/core/dev.c:905)
[  123.912294][ T2862]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  123.912312][ T2862]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.912324][ T2862]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.912335][ T2862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.912338][ T2862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.912351][ T2862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  123.912358][ T2862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.912362][ T2862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  123.912368][ T2862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.912370][ T2862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.912379][ T2862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  123.912382][ T2862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  123.912388][ T2862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.912393][ T2862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.912398][ T2862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.912411][ T2862]  ? 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))
[  123.912413][ T2862]  ? 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))
[  123.912422][ T2862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.912429][ T2862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.912440][ T2862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.912447][ T2862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.912454][ T2862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  123.912457][ T2862]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  123.912465][ T2862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  123.912471][ T2862]  ____sys_sendmsg (net/socket.c:2713)
[  123.912475][ T2862]  ? copy_msghdr_from_user (net/socket.c:2650)
[  123.912479][ T2862]  ? sock_write_iter (net/socket.c:1269)
[  123.912481][ T2862]  ? move_addr_to_kernel (net/socket.c:258)
[  123.912490][ T2862]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  123.912493][ T2862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  123.912503][ T2862]  ___sys_sendmsg (net/socket.c:2767)
[  123.912506][ T2862]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  123.912510][ T2862]  ? copy_msghdr_from_user (net/socket.c:2619)
[  123.912514][ T2862]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  123.912543][ T2862]  __sys_sendmsg (net/socket.c:2799)
[  123.912548][ T2862]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  123.912558][ T2862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.912561][ T2862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.912567][ T2862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.912572][ T2862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.912577][ T2862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.912581][ T2862] RIP: 0033:0x7f1c1ed1954e
[  123.912587][ T2862] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  123.912590][ T2862] RSP: 002b:00007ffe32175e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  123.912594][ T2862] RAX: ffffffffffffffda RBX: 00007ffe32176628 RCX: 00007f1c1ed1954e
[  123.912596][ T2862] RDX: 0000000000000000 RSI: 00007ffe32175f10 RDI: 0000000000000005
[  123.912598][ T2862] RBP: 00007ffe32175e70 R08: 0000000000000000 R09: 0000000000000000
[  123.912599][ T2862] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911041
[  123.912601][ T2862] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe321765e0
| [  125.316220][ T2892] softirqs last disabled at (24654): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  125.316222][ T2892] Preemption disabled at:
| [  125.316223][ T2892] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.316236][ T2892] Tainted: [W]=WARN
[  125.316237][ T2892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.316239][ T2892] Call Trace:
[  125.316240][ T2892]  <TASK>
[  125.316242][ T2892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.316248][ T2892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.316250][ T2892]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.316254][ T2892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.316258][ T2892]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  125.316263][ T2892]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  125.316265][ T2892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.316271][ T2892]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  125.316274][ T2892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.316278][ T2892]  put_chars (drivers/char/virtio_console.c:1176)
[  125.316280][ T2892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.316282][ T2892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  125.316285][ T2892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  125.316288][ T2892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  125.316293][ T2892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.316296][ T2892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.316302][ T2892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.316305][ T2892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.316309][ T2892]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.316314][ T2892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.316316][ T2892]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  125.316319][ T2892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.316321][ T2892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.316324][ T2892]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.316329][ T2892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.316331][ T2892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.316336][ T2892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.316339][ T2892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.316341][ T2892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.316342][ T2892]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  125.316346][ T2892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.316348][ T2892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.316350][ T2892]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.316354][ T2892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.316355][ T2892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.316358][ T2892]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  125.316362][ T2892]  _printk (kernel/printk/printk.c:2504)
[  125.316366][ T2892]  ? snapshot_read.cold (user.c:?)
[  125.316369][ T2892]  ? br_multicast_flood (??:?)
[  125.316372][ T2892]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.316373][ T2892]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.316375][ T2892]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.316379][ T2892]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  125.316383][ T2892]  br_init_port (net/bridge/br_stp_if.c:39)
[  125.316385][ T2892]  new_nbp (net/bridge/br_if.c:449)
[  125.316389][ T2892]  br_add_if (net/bridge/br_if.c:592)
[  125.316391][ T2892]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  125.316399][ T2892]  do_set_master (net/core/rtnetlink.c:3071)
[  125.316402][ T2892]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.316406][ T2892]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.316407][ T2892]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.316410][ T2892]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.316419][ T2892]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.316425][ T2892]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.316431][ T2892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.316433][ T2892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.316439][ T2892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.316443][ T2892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.316445][ T2892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.316448][ T2892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.316449][ T2892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.316454][ T2892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  125.316456][ T2892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  125.316460][ T2892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.316463][ T2892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.316466][ T2892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.316472][ T2892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  125.316474][ T2892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  125.316479][ T2892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.316482][ T2892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.316488][ T2892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.316492][ T2892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.316496][ T2892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.316500][ T2892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  125.316505][ T2892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  125.316509][ T2892]  ____sys_sendmsg (net/socket.c:2713)
[  125.316511][ T2892]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.316514][ T2892]  ? sock_write_iter (net/socket.c:1269)
[  125.316515][ T2892]  ? move_addr_to_kernel (net/socket.c:258)
[  125.316520][ T2892]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  125.316522][ T2892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  125.316526][ T2892]  ___sys_sendmsg (net/socket.c:2767)
[  125.316528][ T2892]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  125.316530][ T2892]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.316533][ T2892]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  125.316548][ T2892]  __sys_sendmsg (net/socket.c:2799)
[  125.316551][ T2892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.316556][ T2892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.316558][ T2892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.316561][ T2892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.316565][ T2892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.316568][ T2892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.316570][ T2892] RIP: 0033:0x7f583674f54e
[  125.316574][ T2892] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  125.316576][ T2892] RSP: 002b:00007ffc9662fa00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.316578][ T2892] RAX: ffffffffffffffda RBX: 00007ffc966301c8 RCX: 00007f583674f54e
[  125.316580][ T2892] RDX: 0000000000000000 RSI: 00007ffc9662fab0 RDI: 0000000000000005
[  125.316581][ T2892] RBP: 00007ffc9662fa10 R08: 0000000000000000 R09: 0000000000000000
[  125.316582][ T2892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911042
[  125.316583][ T2892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc96630180
| [  126.681054][ T2929] softirqs last disabled at (15430): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  126.681056][ T2929] Preemption disabled at:
| [  126.681057][ T2929] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.681065][ T2929] Tainted: [W]=WARN
[  126.681066][ T2929] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.681068][ T2929] Call Trace:
[  126.681069][ T2929]  <TASK>
[  126.681071][ T2929]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.681076][ T2929]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.681078][ T2929]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.681082][ T2929]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.681087][ T2929]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  126.681091][ T2929]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  126.681093][ T2929]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.681100][ T2929]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  126.681103][ T2929]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.681107][ T2929]  put_chars (drivers/char/virtio_console.c:1176)
[  126.681109][ T2929]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.681115][ T2929]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.681123][ T2929]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.681126][ T2929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.681131][ T2929]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.681135][ T2929]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.681137][ T2929]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  126.681141][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681144][ T2929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.681147][ T2929]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.681152][ T2929]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.681154][ T2929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.681159][ T2929]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.681162][ T2929]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.681164][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681166][ T2929]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  126.681169][ T2929]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.681171][ T2929]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.681174][ T2929]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.681177][ T2929]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.681180][ T2929]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.681185][ T2929]  _printk (kernel/printk/printk.c:2504)
[  126.681189][ T2929]  ? snapshot_read.cold (user.c:?)
[  126.681191][ T2929]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.681193][ T2929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.681196][ T2929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.681199][ T2929]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.681202][ T2929]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.681205][ T2929]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.681208][ T2929]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.681211][ T2929]  ? netdev_notice (net/core/dev.c:13194)
[  126.681213][ T2929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.681217][ T2929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.681219][ T2929]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  126.681223][ T2929]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.681225][ T2929]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  126.681227][ T2929]  ? register_netdev (net/core/dev.c:11618)
[  126.681229][ T2929]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  126.681238][ T2929]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  126.681241][ T2929]  ? __kernel_text_address (kernel/extable.c:79)
[  126.681244][ T2929]  ? write_profile (profile.c:?)
[  126.681248][ T2929]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  126.681254][ T2929]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.681257][ T2929]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  126.681259][ T2929]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  126.681261][ T2929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  126.681263][ T2929]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  126.681266][ T2929]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.681268][ T2929]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.681270][ T2929]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.681273][ T2929]  ? kasan_save_stack (mm/kasan/common.c:58)
[  126.681275][ T2929]  ? kasan_save_stack (mm/kasan/common.c:57)
[  126.681276][ T2929]  ? kasan_save_track (mm/kasan/common.c:78)
[  126.681277][ T2929]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  126.681280][ T2929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.681282][ T2929]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  126.681285][ T2929]  ? ___sys_sendmsg (net/socket.c:2758)
[  126.681289][ T2929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.681291][ T2929]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.681294][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681295][ T2929]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.681297][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681298][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681300][ T2929]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.681302][ T2929]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  126.681304][ T2929]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.681306][ T2929]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.681309][ T2929]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.681310][ T2929]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.681315][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681317][ T2929]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  126.681323][ T2929]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.681328][ T2929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.681330][ T2929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.681335][ T2929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.681337][ T2929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.681339][ T2929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.681341][ T2929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.681345][ T2929]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.681347][ T2929]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.681350][ T2929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.681351][ T2929]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.681356][ T2929]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.681358][ T2929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.681361][ T2929]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.681365][ T2929]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.681368][ T2929]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.681375][ T2929]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  126.681377][ T2929]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  126.681381][ T2929]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.681385][ T2929]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.681388][ T2929]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.681392][ T2929]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.681397][ T2929]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.681400][ T2929]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.681402][ T2929]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  126.681408][ T2929]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.681411][ T2929]  ____sys_sendmsg (net/socket.c:2713)
[  126.681413][ T2929]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.681415][ T2929]  ? sock_write_iter (net/socket.c:1269)
[  126.681417][ T2929]  ? move_addr_to_kernel (net/socket.c:258)
[  126.681425][ T2929]  ___sys_sendmsg (net/socket.c:2767)
[  126.681427][ T2929]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.681443][ T2929]  __sys_sendmsg (net/socket.c:2799)
[  126.681446][ T2929]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.681452][ T2929]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.681455][ T2929]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.681458][ T2929]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.681461][ T2929]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.681463][ T2929] RIP: 0033:0x7ff5cc8b654e
[  126.681467][ T2929] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  126.681469][ T2929] RSP: 002b:00007ffc468c1180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.681472][ T2929] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff5cc8b654e
[  126.681473][ T2929] RDX: 0000000000000000 RSI: 00007ffc468c1230 RDI: 0000000000000005
[  126.681474][ T2929] RBP: 00007ffc468c1190 R08: 0000000000000000 R09: 0000000000000000
[  126.681475][ T2929] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911044
[  126.681476][ T2929] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc468c18f0
| [  127.805257][ T2974] softirqs last disabled at (25368): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  127.805260][ T2974] Preemption disabled at:
| [  127.805261][ T2974] vprintk_emit (kernel/printk/printk.c:2471)
| [  127.805273][ T2974] Tainted: [W]=WARN
[  127.805274][ T2974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  127.805276][ T2974] Call Trace:
[  127.805278][ T2974]  <TASK>
[  127.805280][ T2974]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  127.805289][ T2974]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  127.805291][ T2974]  __might_resched.cold (kernel/sched/core.c:9234)
[  127.805298][ T2974]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  127.805304][ T2974]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  127.805311][ T2974]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  127.805314][ T2974]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  127.805324][ T2974]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  127.805328][ T2974]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  127.805334][ T2974]  put_chars (drivers/char/virtio_console.c:1176)
[  127.805338][ T2974]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  127.805341][ T2974]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  127.805346][ T2974]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  127.805351][ T2974]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  127.805360][ T2974]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  127.805365][ T2974]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  127.805374][ T2974]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  127.805379][ T2974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.805388][ T2974]  console_emit_next_record (kernel/printk/printk.c:3183)
[  127.805395][ T2974]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  127.805397][ T2974]  ? 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))
[  127.805403][ T2974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.805406][ T2974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  127.805413][ T2974]  console_flush_one_record (kernel/printk/printk.c:3268)
[  127.805421][ T2974]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  127.805423][ T2974]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  127.805433][ T2974]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  127.805438][ T2974]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  127.805441][ T2974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.805444][ T2974]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  127.805451][ T2974]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  127.805453][ T2974]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  127.805459][ T2974]  vprintk_emit (kernel/printk/printk.c:2479)
[  127.805464][ T2974]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  127.805468][ T2974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  127.805473][ T2974]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  127.805479][ T2974]  _printk (kernel/printk/printk.c:2504)
[  127.805484][ T2974]  ? snapshot_read.cold (user.c:?)
[  127.805491][ T2974]  ? br_multicast_flood (??:?)
[  127.805495][ T2974]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  127.805499][ T2974]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  127.805501][ T2974]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  127.805509][ T2974]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  127.805516][ T2974]  br_init_port (net/bridge/br_stp_if.c:39)
[  127.805521][ T2974]  new_nbp (net/bridge/br_if.c:449)
[  127.805527][ T2974]  br_add_if (net/bridge/br_if.c:592)
[  127.805530][ T2974]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  127.805543][ T2974]  do_set_master (net/core/rtnetlink.c:3071)
[  127.805549][ T2974]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  127.805556][ T2974]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  127.805559][ T2974]  ? __dev_get_by_name (net/core/dev.c:905)
[  127.805562][ T2974]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  127.805579][ T2974]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  127.805591][ T2974]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  127.805601][ T2974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  127.805605][ T2974]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  127.805618][ T2974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  127.805625][ T2974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  127.805629][ T2974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  127.805635][ T2974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  127.805637][ T2974]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  127.805646][ T2974]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  127.805649][ T2974]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  127.805656][ T2974]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  127.805661][ T2974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  127.805666][ T2974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  127.805679][ T2974]  ? 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))
[  127.805682][ T2974]  ? 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))
[  127.805691][ T2974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  127.805698][ T2974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  127.805709][ T2974]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  127.805716][ T2974]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  127.805723][ T2974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  127.805726][ T2974]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  127.805735][ T2974]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  127.805742][ T2974]  ____sys_sendmsg (net/socket.c:2713)
[  127.805745][ T2974]  ? copy_msghdr_from_user (net/socket.c:2650)
[  127.805750][ T2974]  ? sock_write_iter (net/socket.c:1269)
[  127.805752][ T2974]  ? move_addr_to_kernel (net/socket.c:258)
[  127.805760][ T2974]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  127.805763][ T2974]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  127.805767][ T2974]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  127.805773][ T2974]  ___sys_sendmsg (net/socket.c:2767)
[  127.805778][ T2974]  ? copy_msghdr_from_user (net/socket.c:2619)
[  127.805802][ T2974]  ? rcu_core (kernel/rcu/tree.c:2927 (discriminator 1))
[  127.805806][ T2974]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[  127.805811][ T2974]  ? rcutree_report_cpu_dead (kernel/rcu/tree.c:4507)
[  127.805818][ T2974]  __sys_sendmsg (net/socket.c:2799)
[  127.805823][ T2974]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  127.805833][ T2974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.805837][ T2974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  127.805843][ T2974]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  127.805847][ T2974]  ? irq_exit_rcu (kernel/softirq.c:786)
[  127.805854][ T2974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  127.805857][ T2974] RIP: 0033:0x7f045c66c54e
[  127.805862][ T2974] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  127.805865][ T2974] RSP: 002b:00007ffcb63584b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  127.805869][ T2974] RAX: ffffffffffffffda RBX: 00007ffcb6358c78 RCX: 00007f045c66c54e
[  127.805872][ T2974] RDX: 0000000000000000 RSI: 00007ffcb6358560 RDI: 0000000000000005
[  127.805873][ T2974] RBP: 00007ffcb63584c0 R08: 0000000000000000 R09: 0000000000000000
[  127.805875][ T2974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911045
[  127.805877][ T2974] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb6358c30
| [  129.144943][ T3004] softirqs last disabled at (28396): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  129.144946][ T3004] Preemption disabled at:
| [  129.144946][ T3004] vprintk_emit (kernel/printk/printk.c:2471)
| [  129.144955][ T3004] Tainted: [W]=WARN
[  129.144956][ T3004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  129.144957][ T3004] Call Trace:
[  129.144959][ T3004]  <TASK>
[  129.144960][ T3004]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  129.144967][ T3004]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  129.144968][ T3004]  __might_resched.cold (kernel/sched/core.c:9234)
[  129.144973][ T3004]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.144977][ T3004]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  129.144982][ T3004]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  129.144984][ T3004]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.144991][ T3004]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  129.144994][ T3004]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.144998][ T3004]  put_chars (drivers/char/virtio_console.c:1176)
[  129.145000][ T3004]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  129.145002][ T3004]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  129.145006][ T3004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  129.145009][ T3004]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  129.145014][ T3004]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  129.145018][ T3004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.145024][ T3004]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  129.145027][ T3004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.145032][ T3004]  console_emit_next_record (kernel/printk/printk.c:3183)
[  129.145036][ T3004]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  129.145038][ T3004]  ? 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))
[  129.145042][ T3004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.145043][ T3004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.145047][ T3004]  console_flush_one_record (kernel/printk/printk.c:3268)
[  129.145052][ T3004]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  129.145054][ T3004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.145060][ T3004]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  129.145063][ T3004]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  129.145065][ T3004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.145066][ T3004]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  129.145070][ T3004]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  129.145072][ T3004]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  129.145075][ T3004]  vprintk_emit (kernel/printk/printk.c:2479)
[  129.145078][ T3004]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  129.145080][ T3004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  129.145083][ T3004]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  129.145087][ T3004]  _printk (kernel/printk/printk.c:2504)
[  129.145091][ T3004]  ? snapshot_read.cold (user.c:?)
[  129.145095][ T3004]  ? br_multicast_flood (??:?)
[  129.145098][ T3004]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  129.145099][ T3004]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  129.145101][ T3004]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.145105][ T3004]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  129.145110][ T3004]  br_init_port (net/bridge/br_stp_if.c:39)
[  129.145112][ T3004]  new_nbp (net/bridge/br_if.c:449)
[  129.145116][ T3004]  br_add_if (net/bridge/br_if.c:592)
[  129.145119][ T3004]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  129.145126][ T3004]  do_set_master (net/core/rtnetlink.c:3071)
[  129.145130][ T3004]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  129.145134][ T3004]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  129.145136][ T3004]  ? __dev_get_by_name (net/core/dev.c:905)
[  129.145138][ T3004]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  129.145148][ T3004]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  129.145154][ T3004]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.145160][ T3004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.145162][ T3004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.145170][ T3004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  129.145174][ T3004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.145176][ T3004]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  129.145179][ T3004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.145181][ T3004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.145185][ T3004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  129.145188][ T3004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  129.145191][ T3004]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  129.145195][ T3004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.145198][ T3004]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  129.145205][ T3004]  ? 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))
[  129.145207][ T3004]  ? 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))
[  129.145211][ T3004]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  129.145216][ T3004]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  129.145222][ T3004]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  129.145226][ T3004]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  129.145230][ T3004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  129.145232][ T3004]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  129.145238][ T3004]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  129.145247][ T3004]  ____sys_sendmsg (net/socket.c:2713)
[  129.145249][ T3004]  ? copy_msghdr_from_user (net/socket.c:2650)
[  129.145251][ T3004]  ? sock_write_iter (net/socket.c:1269)
[  129.145253][ T3004]  ? move_addr_to_kernel (net/socket.c:258)
[  129.145258][ T3004]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  129.145261][ T3004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  129.145265][ T3004]  ___sys_sendmsg (net/socket.c:2767)
[  129.145266][ T3004]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  129.145269][ T3004]  ? copy_msghdr_from_user (net/socket.c:2619)
[  129.145272][ T3004]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  129.145287][ T3004]  __sys_sendmsg (net/socket.c:2799)
[  129.145290][ T3004]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  129.145296][ T3004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.145298][ T3004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.145301][ T3004]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  129.145305][ T3004]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  129.145308][ T3004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  129.145310][ T3004] RIP: 0033:0x7f11e13ca54e
[  129.145315][ T3004] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  129.145317][ T3004] RSP: 002b:00007ffe7fd149e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  129.145320][ T3004] RAX: ffffffffffffffda RBX: 00007ffe7fd151a8 RCX: 00007f11e13ca54e
[  129.145321][ T3004] RDX: 0000000000000000 RSI: 00007ffe7fd14a90 RDI: 0000000000000005
[  129.145322][ T3004] RBP: 00007ffe7fd149f0 R08: 0000000000000000 R09: 0000000000000000
[  129.145323][ T3004] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911046
[  129.145324][ T3004] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7fd15160
| [  137.650508][   T12] softirqs last disabled at (2217288): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  137.650512][   T12] Preemption disabled at:
| [  137.650512][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  137.650523][   T12] Tainted: [W]=WARN
[  137.650524][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.650527][   T12] Workqueue: netns cleanup_net
[  137.650531][   T12] Call Trace:
[  137.650533][   T12]  <TASK>
[  137.650536][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.650544][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  137.650546][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.650551][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.650556][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  137.650560][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  137.650563][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.650569][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  137.650572][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.650576][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  137.650579][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.650580][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  137.650584][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  137.650587][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  137.650592][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.650597][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.650602][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.650606][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.650611][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.650615][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.650617][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  137.650621][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.650622][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.650627][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.650631][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.650633][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  137.650639][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.650642][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.650644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.650646][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  137.650650][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.650652][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.650655][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.650659][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.650660][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  137.650662][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  137.650664][   T12]  ? kthread (kernel/kthread.c:436)
[  137.650666][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  137.650670][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  137.650674][   T12]  _printk (kernel/printk/printk.c:2504)
[  137.650678][   T12]  ? snapshot_read.cold (user.c:?)
[  137.650683][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  137.650687][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  137.650691][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  137.650694][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  137.650699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.650701][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  137.650703][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  137.650705][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  137.650708][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  137.650713][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  137.650716][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  137.650723][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  137.650727][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  137.650730][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  137.650734][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  137.650738][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  137.650740][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  137.650743][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  137.650748][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  137.650751][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  137.650755][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.650757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.650761][   T12]  process_one_work (kernel/workqueue.c:3387)
[  137.650768][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  137.650771][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  137.650779][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  137.650787][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  137.650789][   T12]  kthread (kernel/kthread.c:436)
[  137.650791][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  137.650795][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  137.650798][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  137.650800][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  137.650804][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  137.650808][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  137.650811][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  138.003280][    C0]
| [  138.003280][    C0]
| [  138.003280][    C0] stack backtrace:
| [  138.003289][    C0] Tainted: [W]=WARN
[  138.003290][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.003292][    C0] Call Trace:
[  138.003294][    C0]  <IRQ>
[  138.003295][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.003301][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  138.003305][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  138.003308][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  138.003313][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  138.003316][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  138.003318][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  138.003322][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  138.003325][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  138.003328][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.003331][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.003335][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  138.003338][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[  138.003340][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[  138.003344][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.003346][    C0]  ? 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))
[  138.003350][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.003352][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.003355][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.003359][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.003362][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.003365][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.003368][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.003371][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.003373][    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)
[  138.003376][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.003379][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.003382][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.003385][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.003388][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  138.003391][    C0]  _printk (kernel/printk/printk.c:2504)
[  138.003393][    C0]  ? snapshot_read.cold (user.c:?)
[  138.003396][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  138.003399][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.003403][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  138.003406][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  138.003409][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  138.003411][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  138.003415][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  138.003418][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  138.003422][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  138.003425][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.003427][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.003430][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  138.003433][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  138.003437][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  138.003439][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.003444][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.003448][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  138.003451][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  138.003454][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  138.003458][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.003460][    C0]  handle_softirqs (kernel/softirq.c:645)
[  138.003463][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.003466][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  138.003470][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  138.003472][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  138.003475][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  138.003477][    C0]  </IRQ>
[  138.003478][    C0]  <TASK>
[  138.003479][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  138.003482][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  138.003485][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  138.003488][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  138.003491][    C0] RSP: 0018:ffffffffa3407cf8 EFLAGS: 00000296
[  138.003494][    C0] RAX: 000000000061aef7 RBX: ffffffffa3430600 RCX: ffffffff9fb06247
[  138.003501][    C0] RDX: ffffffffa3430600 RSI: ffffffffa2d11027 RDI: ffffffffa26949e0
[  138.003503][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  138.003505][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4680fa2
[  138.003506][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  138.003509][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  138.003513][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  138.003515][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  138.003517][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  138.003520][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  138.003522][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  138.003525][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  138.003529][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.003532][    C0]  do_idle (kernel/sched/idle.c:355)
[  138.003534][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  138.003537][    C0]  rest_init (init/main.c:727)
[  138.003539][    C0]  ? __cpuidle_text_end (??:?)
[  138.003544][    C0]  ? rest_init (init/main.c:727)
[  138.003546][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  138.003551][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  138.003553][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  138.003557][    C0]  start_kernel (init/main.c:1185)
[  138.003560][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  138.003562][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  138.003565][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  138.819803][ T3218] softirqs last disabled at (0): 0x0
| [  138.819805][ T3218] Preemption disabled at:
| [  138.819806][ T3218] vprintk_emit (kernel/printk/printk.c:2471)
| [  138.819819][ T3218] Tainted: [W]=WARN
[  138.819821][ T3218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.819823][ T3218] Call Trace:
[  138.819825][ T3218]  <TASK>
[  138.819826][ T3218]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.819833][ T3218]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  138.819835][ T3218]  __might_resched.cold (kernel/sched/core.c:9234)
[  138.819840][ T3218]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  138.819844][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.819848][ T3218]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  138.819852][ T3218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.819856][ T3218]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.819862][ T3218]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  138.819865][ T3218]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.819869][ T3218]  put_chars (drivers/char/virtio_console.c:1176)
[  138.819871][ T3218]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  138.819876][ T3218]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  138.819879][ T3218]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  138.819882][ T3218]  ? pointer (lib/vsprintf.c:2577)
[  138.819887][ T3218]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  138.819893][ T3218]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  138.819896][ T3218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.819899][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.819903][ T3218]  console_emit_next_record (kernel/printk/printk.c:3183)
[  138.819907][ T3218]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.819910][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.819912][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.819914][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.819916][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.819919][ T3218]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  138.819922][ T3218]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.819925][ T3218]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.819930][ T3218]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.819932][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.819935][ T3218]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.819937][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.819939][ T3218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.819942][ T3218]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  138.819944][ T3218]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  138.819947][ T3218]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.819950][ T3218]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.819953][ T3218]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.819955][ T3218]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.819957][ T3218]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  138.819961][ T3218]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  138.819965][ T3218]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  138.819969][ T3218]  _printk (kernel/printk/printk.c:2504)
[  138.819973][ T3218]  ? snapshot_read.cold (user.c:?)
[  138.819976][ T3218]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  138.819979][ T3218]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  138.819983][ T3218]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  138.819986][ T3218]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  138.819990][ T3218]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  138.819993][ T3218]  ? netdev_notice (net/core/dev.c:13194)
[  138.819996][ T3218]  ? 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)
[  138.820000][ T3218]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  138.820005][ T3218]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  138.820008][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820010][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820012][ T3218]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  138.820015][ T3218]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  138.820017][ T3218]  ? 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)
[  138.820019][ T3218]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  138.820022][ T3218]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  138.820025][ T3218]  ? register_netdev (net/core/dev.c:11618)
[  138.820027][ T3218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.820030][ T3218]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  138.820033][ T3218]  ? __kernel_text_address (kernel/extable.c:79)
[  138.820037][ T3218]  ? write_profile (profile.c:?)
[  138.820041][ T3218]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  138.820046][ T3218]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  138.820049][ T3218]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  138.820051][ T3218]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  138.820053][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820055][ T3218]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  138.820060][ T3218]  ? kasan_save_stack (mm/kasan/common.c:58)
[  138.820062][ T3218]  ? kasan_save_stack (mm/kasan/common.c:57)
[  138.820064][ T3218]  ? kasan_save_track (mm/kasan/common.c:78)
[  138.820066][ T3218]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  138.820068][ T3218]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  138.820070][ T3218]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  138.820072][ T3218]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  138.820074][ T3218]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  138.820078][ T3218]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  138.820080][ T3218]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  138.820083][ T3218]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  138.820086][ T3218]  ? ____sys_sendmsg (net/socket.c:2713)
[  138.820088][ T3218]  ? ___sys_sendmsg (net/socket.c:2767)
[  138.820090][ T3218]  ? __sys_sendmsg (net/socket.c:2799)
[  138.820093][ T3218]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  138.820096][ T3218]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.820100][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820102][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.820104][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820106][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820108][ T3218]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  138.820111][ T3218]  ? __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)
[  138.820113][ T3218]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  138.820115][ T3218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  138.820118][ T3218]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  138.820119][ T3218]  ? nla_get_range_signed (lib/nlattr.c:270)
[  138.820124][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820126][ T3218]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  138.820130][ T3218]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  138.820133][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820135][ T3218]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.820137][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.820139][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820142][ T3218]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  138.820145][ T3218]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  138.820147][ T3218]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  138.820149][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820152][ T3218]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  138.820156][ T3218]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  138.820159][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820161][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.820163][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820165][ T3218]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.820168][ T3218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  138.820171][ T3218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  138.820173][ T3218]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  138.820175][ T3218]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  138.820179][ T3218]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  138.820182][ T3218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  138.820184][ T3218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.820187][ T3218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  138.820189][ T3218]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  138.820194][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820196][ T3218]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  138.820199][ T3218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  138.820203][ T3218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  138.820206][ T3218]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.820209][ T3218]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  138.820213][ T3218]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  138.820215][ T3218]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  138.820218][ T3218]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.820220][ T3218]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  138.820225][ T3218]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  138.820228][ T3218]  ____sys_sendmsg (net/socket.c:2713)
[  138.820231][ T3218]  ? copy_msghdr_from_user (net/socket.c:2650)
[  138.820233][ T3218]  ? sock_write_iter (net/socket.c:1269)
[  138.820236][ T3218]  ? move_addr_to_kernel (net/socket.c:258)
[  138.820238][ T3218]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  138.820242][ T3218]  ___sys_sendmsg (net/socket.c:2767)
[  138.820245][ T3218]  ? copy_msghdr_from_user (net/socket.c:2619)
[  138.820254][ T3218]  __sys_sendmsg (net/socket.c:2799)
[  138.820257][ T3218]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  138.820261][ T3218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.820264][ T3218]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  138.820267][ T3218]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  138.820270][ T3218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.820272][ T3218] RIP: 0033:0x7f8ef6ce754e
[  138.820275][ T3218] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  138.820284][ T3218] RSP: 002b:00007ffd3a305b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  138.820289][ T3218] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8ef6ce754e
[  138.820291][ T3218] RDX: 0000000000000000 RSI: 00007ffd3a305c30 RDI: 0000000000000005
[  138.820293][ T3218] RBP: 00007ffd3a305b90 R08: 0000000000000000 R09: 0000000000000000
[  138.820294][ T3218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911050
[  138.820296][ T3218] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3a3062f0
| [  140.419352][ T3292] softirqs last disabled at (0): 0x0
| [  140.419354][ T3292] Preemption disabled at:
| [  140.419355][ T3292] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.419365][ T3292] Tainted: [W]=WARN
[  140.419366][ T3292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.419368][ T3292] Call Trace:
[  140.419369][ T3292]  <TASK>
[  140.419371][ T3292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.419376][ T3292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.419378][ T3292]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.419381][ T3292]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  140.419384][ T3292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.419387][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419390][ T3292]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  140.419392][ T3292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.419395][ T3292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.419400][ T3292]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  140.419402][ T3292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.419405][ T3292]  put_chars (drivers/char/virtio_console.c:1176)
[  140.419406][ T3292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.419408][ T3292]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  140.419411][ T3292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.419415][ T3292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.419417][ T3292]  ? vsnprintf (lib/vsprintf.c:2900)
[  140.419420][ T3292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.419422][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419423][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419425][ T3292]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.419427][ T3292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.419429][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419430][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419431][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419432][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419435][ T3292]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  140.419436][ T3292]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.419439][ T3292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.419441][ T3292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.419443][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419445][ T3292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.419447][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419448][ T3292]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.419449][ T3292]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  140.419451][ T3292]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  140.419452][ T3292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.419454][ T3292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.419455][ T3292]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.419457][ T3292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.419458][ T3292]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  140.419460][ T3292]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  140.419463][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419464][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419466][ T3292]  _printk (kernel/printk/printk.c:2504)
[  140.419469][ T3292]  ? snapshot_read.cold (user.c:?)
[  140.419471][ T3292]  ? br_multicast_flood (??:?)
[  140.419474][ T3292]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  140.419477][ T3292]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  140.419478][ T3292]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.419480][ T3292]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  140.419482][ T3292]  br_init_port (net/bridge/br_stp_if.c:39)
[  140.419484][ T3292]  new_nbp (net/bridge/br_if.c:449)
[  140.419486][ T3292]  br_add_if (net/bridge/br_if.c:592)
[  140.419488][ T3292]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  140.419492][ T3292]  do_set_master (net/core/rtnetlink.c:3071)
[  140.419494][ T3292]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  140.419496][ T3292]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  140.419499][ T3292]  ? __dev_get_by_name (net/core/dev.c:905)
[  140.419501][ T3292]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  140.419505][ T3292]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  140.419507][ T3292]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.419509][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419510][ T3292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.419511][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419513][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419514][ T3292]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  140.419517][ T3292]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  140.419519][ T3292]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  140.419521][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419522][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419524][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419525][ T3292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.419526][ T3292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.419528][ T3292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.419529][ T3292]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  140.419531][ T3292]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  140.419534][ T3292]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.419537][ T3292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.419539][ T3292]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.419540][ T3292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.419542][ T3292]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  140.419545][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419546][ T3292]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  140.419548][ T3292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.419550][ T3292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.419552][ T3292]  ? next_uptodate_folio (mm/filemap.c:3747)
[  140.419555][ T3292]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.419557][ T3292]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.419559][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419561][ T3292]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.419564][ T3292]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.419567][ T3292]  ____sys_sendmsg (net/socket.c:2713)
[  140.419569][ T3292]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.419570][ T3292]  ? sock_write_iter (net/socket.c:1269)
[  140.419572][ T3292]  ? move_addr_to_kernel (net/socket.c:258)
[  140.419574][ T3292]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  140.419577][ T3292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.419579][ T3292]  ___sys_sendmsg (net/socket.c:2767)
[  140.419580][ T3292]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  140.419582][ T3292]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.419584][ T3292]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  140.419588][ T3292]  __sys_sendmsg (net/socket.c:2799)
[  140.419591][ T3292]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.419593][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419594][ T3292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.419596][ T3292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.419598][ T3292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.419600][ T3292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.419602][ T3292] RIP: 0033:0x7f78b05e254e
[  140.419604][ T3292] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  140.419606][ T3292] RSP: 002b:00007fff9f09f000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.419610][ T3292] RAX: ffffffffffffffda RBX: 00007fff9f09f7c8 RCX: 00007f78b05e254e
[  140.419611][ T3292] RDX: 0000000000000000 RSI: 00007fff9f09f0b0 RDI: 0000000000000005
[  140.419612][ T3292] RBP: 00007fff9f09f010 R08: 0000000000000000 R09: 0000000000000000
[  140.419613][ T3292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911051
[  140.419614][ T3292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9f09f780
| [  141.668154][ T3351] softirqs last disabled at (0): 0x0
| [  141.668156][ T3351] Preemption disabled at:
| [  141.668157][ T3351] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.668167][ T3351] Tainted: [W]=WARN
[  141.668168][ T3351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.668170][ T3351] Call Trace:
[  141.668171][ T3351]  <TASK>
[  141.668173][ T3351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.668178][ T3351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.668180][ T3351]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.668183][ T3351]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  141.668185][ T3351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.668189][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668191][ T3351]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  141.668194][ T3351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.668197][ T3351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.668202][ T3351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  141.668204][ T3351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.668207][ T3351]  put_chars (drivers/char/virtio_console.c:1176)
[  141.668208][ T3351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.668210][ T3351]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  141.668213][ T3351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.668217][ T3351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.668219][ T3351]  ? vsnprintf (lib/vsprintf.c:2900)
[  141.668222][ T3351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.668224][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668225][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668226][ T3351]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.668229][ T3351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.668231][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668232][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668233][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668234][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668237][ T3351]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  141.668239][ T3351]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.668241][ T3351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.668244][ T3351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.668246][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668247][ T3351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.668249][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668250][ T3351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.668252][ T3351]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  141.668253][ T3351]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  141.668255][ T3351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.668256][ T3351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.668258][ T3351]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.668260][ T3351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.668261][ T3351]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.668262][ T3351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.668265][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668267][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668268][ T3351]  _printk (kernel/printk/printk.c:2504)
[  141.668271][ T3351]  ? snapshot_read.cold (user.c:?)
[  141.668273][ T3351]  ? br_multicast_flood (??:?)
[  141.668276][ T3351]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  141.668279][ T3351]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  141.668280][ T3351]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.668282][ T3351]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  141.668285][ T3351]  br_init_port (net/bridge/br_stp_if.c:39)
[  141.668293][ T3351]  new_nbp (net/bridge/br_if.c:449)
[  141.668295][ T3351]  br_add_if (net/bridge/br_if.c:592)
[  141.668297][ T3351]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  141.668301][ T3351]  do_set_master (net/core/rtnetlink.c:3071)
[  141.668303][ T3351]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  141.668305][ T3351]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  141.668306][ T3351]  ? __dev_get_by_name (net/core/dev.c:905)
[  141.668308][ T3351]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  141.668312][ T3351]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  141.668315][ T3351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.668317][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668318][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.668319][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668321][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668322][ T3351]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  141.668325][ T3351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  141.668326][ T3351]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  141.668329][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668330][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668332][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668333][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.668334][ T3351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.668336][ T3351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.668338][ T3351]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.668339][ T3351]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  141.668343][ T3351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.668346][ T3351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.668347][ T3351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.668349][ T3351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.668350][ T3351]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  141.668353][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668354][ T3351]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.668357][ T3351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.668359][ T3351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.668361][ T3351]  ? next_uptodate_folio (mm/filemap.c:3747)
[  141.668364][ T3351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.668366][ T3351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.668368][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668369][ T3351]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.668373][ T3351]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.668376][ T3351]  ____sys_sendmsg (net/socket.c:2713)
[  141.668377][ T3351]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.668379][ T3351]  ? sock_write_iter (net/socket.c:1269)
[  141.668381][ T3351]  ? move_addr_to_kernel (net/socket.c:258)
[  141.668383][ T3351]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  141.668385][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.668387][ T3351]  ___sys_sendmsg (net/socket.c:2767)
[  141.668389][ T3351]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  141.668391][ T3351]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.668392][ T3351]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  141.668397][ T3351]  __sys_sendmsg (net/socket.c:2799)
[  141.668399][ T3351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.668402][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668403][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.668404][ T3351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.668407][ T3351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.668409][ T3351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.668411][ T3351] RIP: 0033:0x7f0315e7854e
[  141.668413][ T3351] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  141.668414][ T3351] RSP: 002b:00007fff8afdd1f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.668418][ T3351] RAX: ffffffffffffffda RBX: 00007fff8afdd9b8 RCX: 00007f0315e7854e
[  141.668420][ T3351] RDX: 0000000000000000 RSI: 00007fff8afdd2a0 RDI: 0000000000000005
[  141.668421][ T3351] RBP: 00007fff8afdd200 R08: 0000000000000000 R09: 0000000000000000
[  141.668421][ T3351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911053
[  141.668422][ T3351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8afdd970
| [  149.423579][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  149.423582][   T12] Preemption disabled at:
| [  149.423583][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.423593][   T12] Tainted: [W]=WARN
[  149.423594][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.423596][   T12] Workqueue: netns cleanup_net
[  149.423601][   T12] Call Trace:
[  149.423603][   T12]  <TASK>
[  149.423604][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.423610][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.423611][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.423615][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  149.423617][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.423620][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423623][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.423626][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.423629][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.423634][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.423635][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.423638][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  149.423640][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.423641][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  149.423644][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.423648][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.423650][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  149.423653][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.423654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423655][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423657][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.423660][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.423662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423665][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.423667][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.423669][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.423671][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.423674][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.423675][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.423677][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.423679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423680][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.423681][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  149.423683][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  149.423684][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.423686][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.423687][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.423689][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.423690][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  149.423692][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  149.423694][   T12]  ? kthread (kernel/kthread.c:436)
[  149.423696][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  149.423699][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  149.423702][   T12]  _printk (kernel/printk/printk.c:2504)
[  149.423705][   T12]  ? snapshot_read.cold (user.c:?)
[  149.423707][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  149.423710][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  149.423712][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  149.423714][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  149.423716][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423718][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  149.423719][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  149.423722][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  149.423723][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  149.423725][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  149.423727][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  149.423729][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  149.423734][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  149.423736][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  149.423738][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  149.423740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  149.423742][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  149.423745][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  149.423746][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  149.423748][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.423750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.423752][   T12]  process_one_work (kernel/workqueue.c:3387)
[  149.423754][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  149.423757][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  149.423759][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.423761][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  149.423764][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  149.423766][   T12]  kthread (kernel/kthread.c:436)
[  149.423767][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  149.423769][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  149.423771][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  149.423773][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  149.423775][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  149.423778][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  149.423779][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  150.663771][ T3639] softirqs last disabled at (0): 0x0
| [  150.663773][ T3639] Preemption disabled at:
| [  150.663774][ T3639] vprintk_emit (kernel/printk/printk.c:2471)
| [  150.663785][ T3639] Tainted: [W]=WARN
[  150.663786][ T3639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  150.663788][ T3639] Call Trace:
[  150.663789][ T3639]  <TASK>
[  150.663791][ T3639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  150.663796][ T3639]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  150.663798][ T3639]  __might_resched.cold (kernel/sched/core.c:9234)
[  150.663802][ T3639]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  150.663804][ T3639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  150.663808][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663810][ T3639]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  150.663813][ T3639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.663817][ T3639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  150.663822][ T3639]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  150.663824][ T3639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  150.663827][ T3639]  put_chars (drivers/char/virtio_console.c:1176)
[  150.663828][ T3639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  150.663830][ T3639]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  150.663833][ T3639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  150.663838][ T3639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  150.663840][ T3639]  ? vsnprintf (lib/vsprintf.c:2900)
[  150.663843][ T3639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.663845][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663846][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663847][ T3639]  console_emit_next_record (kernel/printk/printk.c:3183)
[  150.663850][ T3639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  150.663852][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663854][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663855][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663856][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.663858][ T3639]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  150.663860][ T3639]  console_flush_one_record (kernel/printk/printk.c:3268)
[  150.663862][ T3639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  150.663865][ T3639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  150.663867][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.663869][ T3639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  150.663871][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663872][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.663873][ T3639]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  150.663875][ T3639]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  150.663876][ T3639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  150.663878][ T3639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  150.663879][ T3639]  vprintk_emit (kernel/printk/printk.c:2479)
[  150.663881][ T3639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  150.663882][ T3639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  150.663884][ T3639]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  150.663887][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.663889][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663890][ T3639]  _printk (kernel/printk/printk.c:2504)
[  150.663893][ T3639]  ? snapshot_read.cold (user.c:?)
[  150.663895][ T3639]  ? br_multicast_flood (??:?)
[  150.663898][ T3639]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  150.663901][ T3639]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  150.663902][ T3639]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  150.663904][ T3639]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  150.663907][ T3639]  br_init_port (net/bridge/br_stp_if.c:39)
[  150.663909][ T3639]  new_nbp (net/bridge/br_if.c:449)
[  150.663911][ T3639]  br_add_if (net/bridge/br_if.c:592)
[  150.663913][ T3639]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  150.663917][ T3639]  do_set_master (net/core/rtnetlink.c:3071)
[  150.663919][ T3639]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  150.663920][ T3639]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  150.663922][ T3639]  ? __dev_get_by_name (net/core/dev.c:905)
[  150.663924][ T3639]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  150.663927][ T3639]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  150.663930][ T3639]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  150.663932][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663933][ T3639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  150.663935][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.663936][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663938][ T3639]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  150.663940][ T3639]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  150.663942][ T3639]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  150.663944][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663945][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.663947][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663948][ T3639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  150.663949][ T3639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  150.663951][ T3639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  150.663952][ T3639]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  150.663954][ T3639]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  150.663958][ T3639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  150.663961][ T3639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  150.663962][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.663964][ T3639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  150.663966][ T3639]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  150.663968][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.663970][ T3639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  150.663972][ T3639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  150.663974][ T3639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  150.663976][ T3639]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  150.663978][ T3639]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  150.663981][ T3639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  150.663983][ T3639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  150.663986][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.663987][ T3639]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  150.663990][ T3639]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  150.663993][ T3639]  ____sys_sendmsg (net/socket.c:2713)
[  150.663995][ T3639]  ? copy_msghdr_from_user (net/socket.c:2650)
[  150.663997][ T3639]  ? sock_write_iter (net/socket.c:1269)
[  150.663998][ T3639]  ? move_addr_to_kernel (net/socket.c:258)
[  150.664000][ T3639]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  150.664003][ T3639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  150.664005][ T3639]  ___sys_sendmsg (net/socket.c:2767)
[  150.664006][ T3639]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  150.664008][ T3639]  ? copy_msghdr_from_user (net/socket.c:2619)
[  150.664010][ T3639]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  150.664015][ T3639]  __sys_sendmsg (net/socket.c:2799)
[  150.664017][ T3639]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  150.664019][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.664020][ T3639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  150.664022][ T3639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  150.664024][ T3639]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  150.664026][ T3639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  150.664028][ T3639] RIP: 0033:0x7fdf7e78654e
[  150.664030][ T3639] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  150.664032][ T3639] RSP: 002b:00007ffcd58f92e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  150.664036][ T3639] RAX: ffffffffffffffda RBX: 00007ffcd58f9aa8 RCX: 00007fdf7e78654e
[  150.664038][ T3639] RDX: 0000000000000000 RSI: 00007ffcd58f9390 RDI: 0000000000000005
[  150.664039][ T3639] RBP: 00007ffcd58f92f0 R08: 0000000000000000 R09: 0000000000000000
[  150.664039][ T3639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91105c
[  150.664041][ T3639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd58f9a60
| [  152.280011][ T3708] softirqs last disabled at (0): 0x0
| [  152.280012][ T3708] Preemption disabled at:
| [  152.280013][ T3708] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.280024][ T3708] Tainted: [W]=WARN
[  152.280025][ T3708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.280026][ T3708] Call Trace:
[  152.280028][ T3708]  <TASK>
[  152.280029][ T3708]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.280034][ T3708]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.280036][ T3708]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.280040][ T3708]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.280044][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280046][ T3708]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  152.280049][ T3708]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.280053][ T3708]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.280058][ T3708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  152.280060][ T3708]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.280063][ T3708]  put_chars (drivers/char/virtio_console.c:1176)
[  152.280064][ T3708]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.280066][ T3708]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  152.280068][ T3708]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  152.280070][ T3708]  ? pointer (lib/vsprintf.c:2577)
[  152.280074][ T3708]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.280079][ T3708]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.280080][ T3708]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.280082][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280085][ T3708]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.280088][ T3708]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.280090][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280091][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280092][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280093][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280096][ T3708]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.280097][ T3708]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.280100][ T3708]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.280103][ T3708]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.280105][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280107][ T3708]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.280108][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280110][ T3708]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.280111][ T3708]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  152.280113][ T3708]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  152.280114][ T3708]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.280117][ T3708]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.280118][ T3708]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.280120][ T3708]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.280121][ T3708]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  152.280124][ T3708]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  152.280127][ T3708]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  152.280129][ T3708]  _printk (kernel/printk/printk.c:2504)
[  152.280132][ T3708]  ? snapshot_read.cold (user.c:?)
[  152.280134][ T3708]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  152.280137][ T3708]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  152.280140][ T3708]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  152.280142][ T3708]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  152.280146][ T3708]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  152.280148][ T3708]  ? netdev_notice (net/core/dev.c:13194)
[  152.280150][ T3708]  ? 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)
[  152.280152][ T3708]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  152.280155][ T3708]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.280156][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280157][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280159][ T3708]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  152.280160][ T3708]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  152.280162][ T3708]  ? 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)
[  152.280163][ T3708]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  152.280165][ T3708]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  152.280167][ T3708]  ? register_netdev (net/core/dev.c:11618)
[  152.280168][ T3708]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.280170][ T3708]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  152.280173][ T3708]  ? __kernel_text_address (kernel/extable.c:79)
[  152.280176][ T3708]  ? write_profile (profile.c:?)
[  152.280178][ T3708]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  152.280182][ T3708]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  152.280184][ T3708]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  152.280186][ T3708]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  152.280187][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280188][ T3708]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.280192][ T3708]  ? kasan_save_stack (mm/kasan/common.c:58)
[  152.280194][ T3708]  ? kasan_save_stack (mm/kasan/common.c:57)
[  152.280195][ T3708]  ? kasan_save_track (mm/kasan/common.c:78)
[  152.280196][ T3708]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  152.280197][ T3708]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  152.280199][ T3708]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  152.280200][ T3708]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.280201][ T3708]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.280204][ T3708]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.280206][ T3708]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.280208][ T3708]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.280210][ T3708]  ? ____sys_sendmsg (net/socket.c:2713)
[  152.280212][ T3708]  ? ___sys_sendmsg (net/socket.c:2767)
[  152.280213][ T3708]  ? __sys_sendmsg (net/socket.c:2799)
[  152.280215][ T3708]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.280217][ T3708]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.280220][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280221][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280222][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280223][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280225][ T3708]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  152.280226][ T3708]  ? __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)
[  152.280227][ T3708]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  152.280229][ T3708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  152.280230][ T3708]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  152.280232][ T3708]  ? nla_get_range_signed (lib/nlattr.c:270)
[  152.280235][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280237][ T3708]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  152.280239][ T3708]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  152.280241][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280242][ T3708]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.280243][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280245][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280246][ T3708]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  152.280249][ T3708]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  152.280250][ T3708]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  152.280252][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280253][ T3708]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  152.280256][ T3708]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  152.280258][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280259][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280261][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280262][ T3708]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  152.280264][ T3708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  152.280265][ T3708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.280267][ T3708]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.280268][ T3708]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.280271][ T3708]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.280273][ T3708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.280274][ T3708]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.280276][ T3708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.280277][ T3708]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  152.280280][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280282][ T3708]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.280284][ T3708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.280286][ T3708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.280288][ T3708]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.280290][ T3708]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.280292][ T3708]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.280294][ T3708]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  152.280296][ T3708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.280297][ T3708]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  152.280300][ T3708]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  152.280303][ T3708]  ____sys_sendmsg (net/socket.c:2713)
[  152.280304][ T3708]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.280306][ T3708]  ? sock_write_iter (net/socket.c:1269)
[  152.280308][ T3708]  ? move_addr_to_kernel (net/socket.c:258)
[  152.280309][ T3708]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.280312][ T3708]  ___sys_sendmsg (net/socket.c:2767)
[  152.280314][ T3708]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.280319][ T3708]  __sys_sendmsg (net/socket.c:2799)
[  152.280321][ T3708]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.280324][ T3708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.280330][ T3708]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.280332][ T3708]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.280334][ T3708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.280336][ T3708] RIP: 0033:0x7f83ed51f54e
[  152.280338][ T3708] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  152.280340][ T3708] RSP: 002b:00007ffdc4663280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.280344][ T3708] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f83ed51f54e
[  152.280345][ T3708] RDX: 0000000000000000 RSI: 00007ffdc4663330 RDI: 0000000000000005
[  152.280346][ T3708] RBP: 00007ffdc4663290 R08: 0000000000000000 R09: 0000000000000000
[  152.280347][ T3708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91105d
[  152.280348][ T3708] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc46639f0
| [  153.669279][ T3765] softirqs last disabled at (0): 0x0
| [  153.669282][ T3765] Preemption disabled at:
| [  153.669282][ T3765] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.669293][ T3765] Tainted: [W]=WARN
[  153.669294][ T3765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.669296][ T3765] Call Trace:
[  153.669298][ T3765]  <TASK>
[  153.669299][ T3765]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.669305][ T3765]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.669307][ T3765]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.669310][ T3765]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  153.669313][ T3765]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.669316][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669319][ T3765]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  153.669322][ T3765]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  153.669325][ T3765]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.669335][ T3765]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  153.669337][ T3765]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.669340][ T3765]  put_chars (drivers/char/virtio_console.c:1176)
[  153.669341][ T3765]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.669343][ T3765]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  153.669346][ T3765]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.669351][ T3765]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.669353][ T3765]  ? vsnprintf (lib/vsprintf.c:2900)
[  153.669357][ T3765]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  153.669358][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669360][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669362][ T3765]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.669365][ T3765]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.669367][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669368][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669369][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669370][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669373][ T3765]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  153.669375][ T3765]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.669377][ T3765]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.669380][ T3765]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.669382][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669384][ T3765]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.669386][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669387][ T3765]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.669389][ T3765]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  153.669390][ T3765]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  153.669392][ T3765]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.669394][ T3765]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.669396][ T3765]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.669398][ T3765]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.669399][ T3765]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  153.669401][ T3765]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  153.669404][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669405][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669407][ T3765]  _printk (kernel/printk/printk.c:2504)
[  153.669410][ T3765]  ? snapshot_read.cold (user.c:?)
[  153.669412][ T3765]  ? br_multicast_flood (??:?)
[  153.669416][ T3765]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  153.669419][ T3765]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  153.669420][ T3765]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  153.669422][ T3765]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  153.669425][ T3765]  br_init_port (net/bridge/br_stp_if.c:39)
[  153.669427][ T3765]  new_nbp (net/bridge/br_if.c:449)
[  153.669429][ T3765]  br_add_if (net/bridge/br_if.c:592)
[  153.669431][ T3765]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  153.669436][ T3765]  do_set_master (net/core/rtnetlink.c:3071)
[  153.669438][ T3765]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  153.669440][ T3765]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  153.669441][ T3765]  ? __dev_get_by_name (net/core/dev.c:905)
[  153.669443][ T3765]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  153.669447][ T3765]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  153.669450][ T3765]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  153.669452][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669453][ T3765]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  153.669455][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669456][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669458][ T3765]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  153.669461][ T3765]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  153.669462][ T3765]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  153.669465][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669466][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669468][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669469][ T3765]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  153.669470][ T3765]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  153.669472][ T3765]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  153.669474][ T3765]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  153.669476][ T3765]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  153.669480][ T3765]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  153.669483][ T3765]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  153.669484][ T3765]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.669486][ T3765]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  153.669488][ T3765]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  153.669491][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669492][ T3765]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  153.669494][ T3765]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  153.669499][ T3765]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  153.669501][ T3765]  ? next_uptodate_folio (mm/filemap.c:3747)
[  153.669504][ T3765]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  153.669506][ T3765]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  153.669508][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669510][ T3765]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  153.669514][ T3765]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  153.669516][ T3765]  ____sys_sendmsg (net/socket.c:2713)
[  153.669518][ T3765]  ? copy_msghdr_from_user (net/socket.c:2650)
[  153.669520][ T3765]  ? sock_write_iter (net/socket.c:1269)
[  153.669522][ T3765]  ? move_addr_to_kernel (net/socket.c:258)
[  153.669524][ T3765]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  153.669527][ T3765]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.669529][ T3765]  ___sys_sendmsg (net/socket.c:2767)
[  153.669531][ T3765]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  153.669532][ T3765]  ? copy_msghdr_from_user (net/socket.c:2619)
[  153.669534][ T3765]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  153.669539][ T3765]  __sys_sendmsg (net/socket.c:2799)
[  153.669541][ T3765]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  153.669544][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669545][ T3765]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.669547][ T3765]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  153.669550][ T3765]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  153.669552][ T3765]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  153.669554][ T3765] RIP: 0033:0x7f7d56c9254e
[  153.669556][ T3765] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  153.669559][ T3765] RSP: 002b:00007ffdb985c0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  153.669562][ T3765] RAX: ffffffffffffffda RBX: 00007ffdb985c8a8 RCX: 00007f7d56c9254e
[  153.669564][ T3765] RDX: 0000000000000000 RSI: 00007ffdb985c190 RDI: 0000000000000005
[  153.669565][ T3765] RBP: 00007ffdb985c0f0 R08: 0000000000000000 R09: 0000000000000000
[  153.669566][ T3765] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91105f
[  153.669567][ T3765] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb985c860
| [  160.894949][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  160.894952][   T12] Preemption disabled at:
| [  160.894953][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.894963][   T12] Tainted: [W]=WARN
[  160.894964][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.894966][   T12] Workqueue: netns cleanup_net
[  160.894972][   T12] Call Trace:
[  160.894973][   T12]  <TASK>
[  160.894975][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.894981][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.894983][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.894986][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  160.894988][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.894992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.894995][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  160.894997][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.895001][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.895006][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  160.895008][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.895011][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  160.895013][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.895015][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  160.895017][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.895022][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.895024][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  160.895027][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.895028][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895029][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895031][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.895034][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.895036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895037][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895038][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895040][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.895042][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  160.895044][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.895047][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.895049][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.895051][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.895053][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.895055][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895056][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  160.895057][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  160.895059][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  160.895061][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.895063][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.895064][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.895066][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.895067][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  160.895069][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  160.895072][   T12]  ? kthread (kernel/kthread.c:436)
[  160.895074][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  160.895077][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  160.895080][   T12]  _printk (kernel/printk/printk.c:2504)
[  160.895083][   T12]  ? snapshot_read.cold (user.c:?)
[  160.895085][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  160.895089][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  160.895091][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  160.895093][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  160.895095][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895097][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  160.895098][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  160.895101][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  160.895103][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  160.895104][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  160.895107][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  160.895109][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  160.895113][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  160.895116][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  160.895118][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  160.895120][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  160.895122][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  160.895125][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  160.895127][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  160.895129][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.895131][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.895133][   T12]  process_one_work (kernel/workqueue.c:3387)
[  160.895136][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  160.895138][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.895141][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  160.895144][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  160.895146][   T12]  kthread (kernel/kthread.c:436)
[  160.895147][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  160.895149][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  160.895151][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  160.895153][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  160.895155][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  160.895158][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  160.895160][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  162.337448][ T4024] softirqs last disabled at (0): 0x0
| [  162.337451][ T4024] Preemption disabled at:
| [  162.337452][ T4024] vprintk_emit (kernel/printk/printk.c:2471)
| [  162.337465][ T4024] Tainted: [W]=WARN
[  162.337466][ T4024] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  162.337468][ T4024] Call Trace:
[  162.337470][ T4024]  <TASK>
[  162.337472][ T4024]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  162.337479][ T4024]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  162.337481][ T4024]  __might_resched.cold (kernel/sched/core.c:9234)
[  162.337485][ T4024]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  162.337488][ T4024]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  162.337492][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337496][ T4024]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  162.337502][ T4024]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.337506][ T4024]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.337512][ T4024]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  162.337515][ T4024]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  162.337518][ T4024]  put_chars (drivers/char/virtio_console.c:1176)
[  162.337521][ T4024]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  162.337524][ T4024]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  162.337528][ T4024]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  162.337534][ T4024]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  162.337537][ T4024]  ? vsnprintf (lib/vsprintf.c:2900)
[  162.337541][ T4024]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.337543][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337545][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337548][ T4024]  console_emit_next_record (kernel/printk/printk.c:3183)
[  162.337552][ T4024]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  162.337555][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337557][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337559][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337561][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337564][ T4024]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  162.337567][ T4024]  console_flush_one_record (kernel/printk/printk.c:3268)
[  162.337571][ T4024]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  162.337575][ T4024]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  162.337578][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337580][ T4024]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  162.337583][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337585][ T4024]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.337587][ T4024]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  162.337590][ T4024]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  162.337593][ T4024]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  162.337596][ T4024]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  162.337598][ T4024]  vprintk_emit (kernel/printk/printk.c:2479)
[  162.337601][ T4024]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  162.337603][ T4024]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  162.337606][ T4024]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.337610][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337612][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337615][ T4024]  _printk (kernel/printk/printk.c:2504)
[  162.337619][ T4024]  ? snapshot_read.cold (user.c:?)
[  162.337622][ T4024]  ? br_multicast_flood (??:?)
[  162.337626][ T4024]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  162.337630][ T4024]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  162.337631][ T4024]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  162.337634][ T4024]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  162.337639][ T4024]  br_init_port (net/bridge/br_stp_if.c:39)
[  162.337641][ T4024]  new_nbp (net/bridge/br_if.c:449)
[  162.337645][ T4024]  br_add_if (net/bridge/br_if.c:592)
[  162.337647][ T4024]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  162.337653][ T4024]  do_set_master (net/core/rtnetlink.c:3071)
[  162.337656][ T4024]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  162.337659][ T4024]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  162.337661][ T4024]  ? __dev_get_by_name (net/core/dev.c:905)
[  162.337664][ T4024]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  162.337670][ T4024]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  162.337674][ T4024]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  162.337678][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337680][ T4024]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.337682][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337684][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337687][ T4024]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  162.337690][ T4024]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  162.337693][ T4024]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  162.337696][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337698][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337701][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337703][ T4024]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  162.337705][ T4024]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  162.337708][ T4024]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.337710][ T4024]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  162.337713][ T4024]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  162.337718][ T4024]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  162.337722][ T4024]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  162.337725][ T4024]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.337727][ T4024]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  162.337730][ T4024]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  162.337734][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337736][ T4024]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  162.337740][ T4024]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  162.337743][ T4024]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  162.337746][ T4024]  ? next_uptodate_folio (mm/filemap.c:3747)
[  162.337750][ T4024]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  162.337754][ T4024]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  162.337757][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337759][ T4024]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  162.337763][ T4024]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  162.337767][ T4024]  ____sys_sendmsg (net/socket.c:2713)
[  162.337770][ T4024]  ? copy_msghdr_from_user (net/socket.c:2650)
[  162.337772][ T4024]  ? sock_write_iter (net/socket.c:1269)
[  162.337775][ T4024]  ? move_addr_to_kernel (net/socket.c:258)
[  162.337778][ T4024]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  162.337782][ T4024]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  162.337785][ T4024]  ___sys_sendmsg (net/socket.c:2767)
[  162.337787][ T4024]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  162.337790][ T4024]  ? copy_msghdr_from_user (net/socket.c:2619)
[  162.337793][ T4024]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  162.337800][ T4024]  __sys_sendmsg (net/socket.c:2799)
[  162.337803][ T4024]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  162.337807][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337810][ T4024]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  162.337812][ T4024]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  162.337816][ T4024]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  162.337819][ T4024]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  162.337823][ T4024] RIP: 0033:0x7f027b7fd54e
[  162.337825][ T4024] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  162.337828][ T4024] RSP: 002b:00007ffd9c6c4060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  162.337833][ T4024] RAX: ffffffffffffffda RBX: 00007ffd9c6c4828 RCX: 00007f027b7fd54e
[  162.337835][ T4024] RDX: 0000000000000000 RSI: 00007ffd9c6c4110 RDI: 0000000000000005
[  162.337837][ T4024] RBP: 00007ffd9c6c4070 R08: 0000000000000000 R09: 0000000000000000
[  162.337838][ T4024] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911067
[  162.337840][ T4024] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9c6c47e0
| [  163.936517][ T4093] softirqs last disabled at (0): 0x0
| [  163.936520][ T4093] Preemption disabled at:
| [  163.936520][ T4093] vprintk_emit (kernel/printk/printk.c:2471)
| [  163.936531][ T4093] Tainted: [W]=WARN
[  163.936532][ T4093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  163.936534][ T4093] Call Trace:
[  163.936535][ T4093]  <TASK>
[  163.936536][ T4093]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  163.936542][ T4093]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  163.936544][ T4093]  __might_resched.cold (kernel/sched/core.c:9234)
[  163.936548][ T4093]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  163.936551][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936553][ T4093]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  163.936556][ T4093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.936560][ T4093]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.936565][ T4093]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  163.936567][ T4093]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  163.936569][ T4093]  put_chars (drivers/char/virtio_console.c:1176)
[  163.936571][ T4093]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  163.936572][ T4093]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  163.936575][ T4093]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  163.936577][ T4093]  ? pointer (lib/vsprintf.c:2577)
[  163.936581][ T4093]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  163.936585][ T4093]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  163.936587][ T4093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.936589][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936592][ T4093]  console_emit_next_record (kernel/printk/printk.c:3183)
[  163.936595][ T4093]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  163.936597][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936598][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936599][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936600][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936602][ T4093]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  163.936604][ T4093]  console_flush_one_record (kernel/printk/printk.c:3268)
[  163.936606][ T4093]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  163.936609][ T4093]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  163.936611][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936613][ T4093]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  163.936615][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936616][ T4093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.936617][ T4093]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  163.936619][ T4093]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  163.936620][ T4093]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  163.936622][ T4093]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  163.936624][ T4093]  vprintk_emit (kernel/printk/printk.c:2479)
[  163.936626][ T4093]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  163.936627][ T4093]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  163.936630][ T4093]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  163.936633][ T4093]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  163.936635][ T4093]  _printk (kernel/printk/printk.c:2504)
[  163.936638][ T4093]  ? snapshot_read.cold (user.c:?)
[  163.936641][ T4093]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  163.936643][ T4093]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  163.936646][ T4093]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  163.936648][ T4093]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  163.936651][ T4093]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  163.936654][ T4093]  ? netdev_notice (net/core/dev.c:13194)
[  163.936656][ T4093]  ? 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)
[  163.936658][ T4093]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  163.936660][ T4093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  163.936662][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936663][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936664][ T4093]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  163.936666][ T4093]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  163.936667][ T4093]  ? 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)
[  163.936668][ T4093]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  163.936670][ T4093]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  163.936672][ T4093]  ? register_netdev (net/core/dev.c:11618)
[  163.936673][ T4093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.936675][ T4093]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  163.936678][ T4093]  ? __kernel_text_address (kernel/extable.c:79)
[  163.936680][ T4093]  ? write_profile (profile.c:?)
[  163.936683][ T4093]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  163.936687][ T4093]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  163.936689][ T4093]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  163.936691][ T4093]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  163.936692][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936693][ T4093]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.936696][ T4093]  ? kasan_save_stack (mm/kasan/common.c:58)
[  163.936698][ T4093]  ? kasan_save_stack (mm/kasan/common.c:57)
[  163.936700][ T4093]  ? kasan_save_track (mm/kasan/common.c:78)
[  163.936701][ T4093]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  163.936702][ T4093]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  163.936703][ T4093]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  163.936704][ T4093]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.936706][ T4093]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.936709][ T4093]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.936710][ T4093]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.936712][ T4093]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  163.936714][ T4093]  ? ____sys_sendmsg (net/socket.c:2713)
[  163.936716][ T4093]  ? ___sys_sendmsg (net/socket.c:2767)
[  163.936717][ T4093]  ? __sys_sendmsg (net/socket.c:2799)
[  163.936719][ T4093]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.936722][ T4093]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.936724][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936726][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936727][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936728][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936730][ T4093]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  163.936731][ T4093]  ? __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)
[  163.936732][ T4093]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  163.936734][ T4093]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  163.936735][ T4093]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  163.936736][ T4093]  ? nla_get_range_signed (lib/nlattr.c:270)
[  163.936740][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936741][ T4093]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  163.936743][ T4093]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  163.936745][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936747][ T4093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.936748][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936749][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936751][ T4093]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  163.936753][ T4093]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  163.936754][ T4093]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  163.936756][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936757][ T4093]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  163.936760][ T4093]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  163.936763][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936764][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936765][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936766][ T4093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  163.936768][ T4093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  163.936769][ T4093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.936771][ T4093]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.936773][ T4093]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  163.936775][ T4093]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  163.936777][ T4093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  163.936778][ T4093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.936780][ T4093]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  163.936781][ T4093]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  163.936785][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936786][ T4093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  163.936788][ T4093]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  163.936790][ T4093]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  163.936792][ T4093]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.936794][ T4093]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  163.936796][ T4093]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  163.936798][ T4093]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  163.936800][ T4093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  163.936801][ T4093]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  163.936805][ T4093]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  163.936807][ T4093]  ____sys_sendmsg (net/socket.c:2713)
[  163.936808][ T4093]  ? copy_msghdr_from_user (net/socket.c:2650)
[  163.936810][ T4093]  ? sock_write_iter (net/socket.c:1269)
[  163.936811][ T4093]  ? move_addr_to_kernel (net/socket.c:258)
[  163.936813][ T4093]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  163.936816][ T4093]  ___sys_sendmsg (net/socket.c:2767)
[  163.936818][ T4093]  ? copy_msghdr_from_user (net/socket.c:2619)
[  163.936823][ T4093]  __sys_sendmsg (net/socket.c:2799)
[  163.936825][ T4093]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  163.936828][ T4093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  163.936829][ T4093]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  163.936831][ T4093]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  163.936833][ T4093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  163.936834][ T4093] RIP: 0033:0x7fb30b9d554e
[  163.936836][ T4093] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  163.936838][ T4093] RSP: 002b:00007ffeec93f9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  163.936842][ T4093] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb30b9d554e
[  163.936844][ T4093] RDX: 0000000000000000 RSI: 00007ffeec93fa60 RDI: 0000000000000005
[  163.936845][ T4093] RBP: 00007ffeec93f9c0 R08: 0000000000000000 R09: 0000000000000000
[  163.936846][ T4093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911069
[  163.936846][ T4093] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeec940120
| [  165.101851][ T4143] softirqs last disabled at (0): 0x0
| [  165.101853][ T4143] Preemption disabled at:
| [  165.101854][ T4143] vprintk_emit (kernel/printk/printk.c:2471)
| [  165.101864][ T4143] Tainted: [W]=WARN
[  165.101865][ T4143] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  165.101867][ T4143] Call Trace:
[  165.101868][ T4143]  <TASK>
[  165.101869][ T4143]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  165.101875][ T4143]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  165.101877][ T4143]  __might_resched.cold (kernel/sched/core.c:9234)
[  165.101880][ T4143]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  165.101882][ T4143]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  165.101885][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101888][ T4143]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  165.101891][ T4143]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  165.101894][ T4143]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.101899][ T4143]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  165.101901][ T4143]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  165.101904][ T4143]  put_chars (drivers/char/virtio_console.c:1176)
[  165.101905][ T4143]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  165.101907][ T4143]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  165.101910][ T4143]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  165.101914][ T4143]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  165.101916][ T4143]  ? vsnprintf (lib/vsprintf.c:2900)
[  165.101919][ T4143]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  165.101921][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101922][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101924][ T4143]  console_emit_next_record (kernel/printk/printk.c:3183)
[  165.101926][ T4143]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  165.101928][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101930][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101931][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101932][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.101934][ T4143]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  165.101936][ T4143]  console_flush_one_record (kernel/printk/printk.c:3268)
[  165.101938][ T4143]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  165.101941][ T4143]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  165.101943][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.101945][ T4143]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  165.101946][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101947][ T4143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.101949][ T4143]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  165.101950][ T4143]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  165.101952][ T4143]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  165.101954][ T4143]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  165.101955][ T4143]  vprintk_emit (kernel/printk/printk.c:2479)
[  165.101957][ T4143]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  165.101958][ T4143]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  165.101960][ T4143]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  165.101963][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.101965][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.101966][ T4143]  _printk (kernel/printk/printk.c:2504)
[  165.101969][ T4143]  ? snapshot_read.cold (user.c:?)
[  165.101971][ T4143]  ? br_multicast_flood (??:?)
[  165.101975][ T4143]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  165.101978][ T4143]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  165.101979][ T4143]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  165.101981][ T4143]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  165.101984][ T4143]  br_init_port (net/bridge/br_stp_if.c:39)
[  165.101986][ T4143]  new_nbp (net/bridge/br_if.c:449)
[  165.101988][ T4143]  br_add_if (net/bridge/br_if.c:592)
[  165.101990][ T4143]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  165.101994][ T4143]  do_set_master (net/core/rtnetlink.c:3071)
[  165.101996][ T4143]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  165.101997][ T4143]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  165.101999][ T4143]  ? __dev_get_by_name (net/core/dev.c:905)
[  165.102001][ T4143]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  165.102006][ T4143]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  165.102008][ T4143]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  165.102010][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102011][ T4143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.102012][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.102014][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102015][ T4143]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  165.102018][ T4143]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  165.102020][ T4143]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  165.102022][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102023][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.102025][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102026][ T4143]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  165.102027][ T4143]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  165.102029][ T4143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  165.102030][ T4143]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  165.102032][ T4143]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  165.102036][ T4143]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  165.102038][ T4143]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  165.102040][ T4143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.102041][ T4143]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  165.102043][ T4143]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  165.102046][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102047][ T4143]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  165.102049][ T4143]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  165.102051][ T4143]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  165.102053][ T4143]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  165.102056][ T4143]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  165.102059][ T4143]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  165.102061][ T4143]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  165.102063][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.102064][ T4143]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  165.102068][ T4143]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  165.102070][ T4143]  ____sys_sendmsg (net/socket.c:2713)
[  165.102072][ T4143]  ? copy_msghdr_from_user (net/socket.c:2650)
[  165.102074][ T4143]  ? sock_write_iter (net/socket.c:1269)
[  165.102075][ T4143]  ? move_addr_to_kernel (net/socket.c:258)
[  165.102078][ T4143]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  165.102080][ T4143]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  165.102082][ T4143]  ___sys_sendmsg (net/socket.c:2767)
[  165.102084][ T4143]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  165.102085][ T4143]  ? copy_msghdr_from_user (net/socket.c:2619)
[  165.102087][ T4143]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  165.102092][ T4143]  __sys_sendmsg (net/socket.c:2799)
[  165.102094][ T4143]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  165.102096][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102097][ T4143]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  165.102099][ T4143]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  165.102101][ T4143]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  165.102103][ T4143]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  165.102105][ T4143] RIP: 0033:0x7f34e152e54e
[  165.102107][ T4143] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  165.102109][ T4143] RSP: 002b:00007ffdcf4754f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  165.102113][ T4143] RAX: ffffffffffffffda RBX: 00007ffdcf475cb8 RCX: 00007f34e152e54e
[  165.102114][ T4143] RDX: 0000000000000000 RSI: 00007ffdcf4755a0 RDI: 0000000000000005
[  165.102115][ T4143] RBP: 00007ffdcf475500 R08: 0000000000000000 R09: 0000000000000000
[  165.102116][ T4143] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91106a
[  165.102117][ T4143] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcf475c70
| [  172.264186][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  172.264189][   T12] Preemption disabled at:
| [  172.264190][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.264204][   T12] Tainted: [W]=WARN
[  172.264206][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.264208][   T12] Workqueue: netns cleanup_net
[  172.264215][   T12] Call Trace:
[  172.264216][   T12]  <TASK>
[  172.264219][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.264226][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.264228][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.264233][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  172.264236][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.264240][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264244][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  172.264248][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.264252][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.264258][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  172.264261][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.264265][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  172.264268][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.264270][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  172.264274][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.264281][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.264284][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  172.264287][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.264290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264292][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264295][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.264299][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.264302][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264304][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264306][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264308][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.264311][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  172.264314][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.264318][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.264323][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.264326][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.264329][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.264331][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264333][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.264336][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  172.264338][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  172.264341][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.264344][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.264346][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.264349][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.264352][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  172.264354][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  172.264358][   T12]  ? kthread (kernel/kthread.c:436)
[  172.264361][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  172.264365][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  172.264369][   T12]  _printk (kernel/printk/printk.c:2504)
[  172.264373][   T12]  ? snapshot_read.cold (user.c:?)
[  172.264377][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  172.264381][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  172.264384][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  172.264388][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  172.264391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264394][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  172.264403][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  172.264407][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  172.264410][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  172.264412][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  172.264416][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  172.264420][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  172.264426][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  172.264429][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  172.264433][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  172.264436][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  172.264439][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  172.264443][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  172.264446][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  172.264450][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.264452][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.264455][   T12]  process_one_work (kernel/workqueue.c:3387)
[  172.264460][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  172.264464][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.264468][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  172.264473][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  172.264475][   T12]  kthread (kernel/kthread.c:436)
[  172.264478][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  172.264481][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  172.264484][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  172.264487][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  172.264490][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  172.264494][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  172.264501][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  173.653564][ T4402] softirqs last disabled at (0): 0x0
| [  173.653566][ T4402] Preemption disabled at:
| [  173.653566][ T4402] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.653577][ T4402] Tainted: [W]=WARN
[  173.653577][ T4402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.653579][ T4402] Call Trace:
[  173.653581][ T4402]  <TASK>
[  173.653582][ T4402]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.653588][ T4402]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.653589][ T4402]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.653593][ T4402]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  173.653595][ T4402]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.653598][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653601][ T4402]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.653604][ T4402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.653607][ T4402]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.653612][ T4402]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.653614][ T4402]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.653616][ T4402]  put_chars (drivers/char/virtio_console.c:1176)
[  173.653618][ T4402]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.653620][ T4402]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  173.653622][ T4402]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.653627][ T4402]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.653629][ T4402]  ? vsnprintf (lib/vsprintf.c:2900)
[  173.653632][ T4402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.653634][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653635][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653637][ T4402]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.653640][ T4402]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.653642][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653643][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653644][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653645][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653647][ T4402]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  173.653649][ T4402]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.653652][ T4402]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.653654][ T4402]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.653656][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653658][ T4402]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.653659][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653660][ T4402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.653662][ T4402]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  173.653664][ T4402]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  173.653665][ T4402]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.653667][ T4402]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.653668][ T4402]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.653670][ T4402]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.653671][ T4402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  173.653673][ T4402]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.653676][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653677][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653679][ T4402]  _printk (kernel/printk/printk.c:2504)
[  173.653682][ T4402]  ? snapshot_read.cold (user.c:?)
[  173.653684][ T4402]  ? br_multicast_flood (??:?)
[  173.653687][ T4402]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  173.653690][ T4402]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  173.653691][ T4402]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.653693][ T4402]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  173.653696][ T4402]  br_init_port (net/bridge/br_stp_if.c:39)
[  173.653697][ T4402]  new_nbp (net/bridge/br_if.c:449)
[  173.653700][ T4402]  br_add_if (net/bridge/br_if.c:592)
[  173.653701][ T4402]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  173.653705][ T4402]  do_set_master (net/core/rtnetlink.c:3071)
[  173.653707][ T4402]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  173.653709][ T4402]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  173.653710][ T4402]  ? __dev_get_by_name (net/core/dev.c:905)
[  173.653712][ T4402]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  173.653716][ T4402]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  173.653718][ T4402]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.653720][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653722][ T4402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.653723][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653725][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653726][ T4402]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  173.653729][ T4402]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  173.653730][ T4402]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  173.653733][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653734][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653735][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653736][ T4402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.653738][ T4402]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.653739][ T4402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.653741][ T4402]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  173.653742][ T4402]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  173.653746][ T4402]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.653749][ T4402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.653750][ T4402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.653752][ T4402]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.653753][ T4402]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  173.653756][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653758][ T4402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  173.653760][ T4402]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.653762][ T4402]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.653764][ T4402]  ? next_uptodate_folio (mm/filemap.c:3747)
[  173.653767][ T4402]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.653769][ T4402]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.653771][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653772][ T4402]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  173.653776][ T4402]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.653779][ T4402]  ____sys_sendmsg (net/socket.c:2713)
[  173.653780][ T4402]  ? copy_msghdr_from_user (net/socket.c:2650)
[  173.653782][ T4402]  ? sock_write_iter (net/socket.c:1269)
[  173.653783][ T4402]  ? move_addr_to_kernel (net/socket.c:258)
[  173.653786][ T4402]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  173.653788][ T4402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.653790][ T4402]  ___sys_sendmsg (net/socket.c:2767)
[  173.653792][ T4402]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  173.653794][ T4402]  ? copy_msghdr_from_user (net/socket.c:2619)
[  173.653795][ T4402]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  173.653800][ T4402]  __sys_sendmsg (net/socket.c:2799)
[  173.653802][ T4402]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  173.653805][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653806][ T4402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.653807][ T4402]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.653810][ T4402]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.653812][ T4402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.653814][ T4402] RIP: 0033:0x7fec1e48954e
[  173.653816][ T4402] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  173.653817][ T4402] RSP: 002b:00007ffc234837d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  173.653821][ T4402] RAX: ffffffffffffffda RBX: 00007ffc23483f98 RCX: 00007fec1e48954e
[  173.653822][ T4402] RDX: 0000000000000000 RSI: 00007ffc23483880 RDI: 0000000000000005
[  173.653823][ T4402] RBP: 00007ffc234837e0 R08: 0000000000000000 R09: 0000000000000000
[  173.653824][ T4402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911073
[  173.653825][ T4402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc23483f50
| [  175.185689][ T4471] softirqs last disabled at (0): 0x0
| [  175.185691][ T4471] Preemption disabled at:
| [  175.185691][ T4471] vprintk_emit (kernel/printk/printk.c:2471)
| [  175.185702][ T4471] Tainted: [W]=WARN
[  175.185703][ T4471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  175.185705][ T4471] Call Trace:
[  175.185707][ T4471]  <TASK>
[  175.185708][ T4471]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  175.185714][ T4471]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  175.185715][ T4471]  __might_resched.cold (kernel/sched/core.c:9234)
[  175.185719][ T4471]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  175.185723][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185726][ T4471]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  175.185729][ T4471]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.185732][ T4471]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.185738][ T4471]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  175.185740][ T4471]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.185742][ T4471]  put_chars (drivers/char/virtio_console.c:1176)
[  175.185744][ T4471]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  175.185745][ T4471]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  175.185748][ T4471]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  175.185750][ T4471]  ? pointer (lib/vsprintf.c:2577)
[  175.185754][ T4471]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  175.185759][ T4471]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  175.185761][ T4471]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.185763][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185765][ T4471]  console_emit_next_record (kernel/printk/printk.c:3183)
[  175.185768][ T4471]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  175.185770][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185771][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185772][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185774][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185776][ T4471]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  175.185777][ T4471]  console_flush_one_record (kernel/printk/printk.c:3268)
[  175.185780][ T4471]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  175.185783][ T4471]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  175.185785][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185786][ T4471]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  175.185788][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185789][ T4471]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.185791][ T4471]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  175.185792][ T4471]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  175.185794][ T4471]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  175.185796][ T4471]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  175.185798][ T4471]  vprintk_emit (kernel/printk/printk.c:2479)
[  175.185799][ T4471]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  175.185801][ T4471]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  175.185803][ T4471]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  175.185806][ T4471]  _printk (kernel/printk/printk.c:2504)
[  175.185809][ T4471]  ? snapshot_read.cold (user.c:?)
[  175.185811][ T4471]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  175.185813][ T4471]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  175.185816][ T4471]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  175.185818][ T4471]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  175.185821][ T4471]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  175.185823][ T4471]  ? netdev_notice (net/core/dev.c:13194)
[  175.185826][ T4471]  ? 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)
[  175.185827][ T4471]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  175.185830][ T4471]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  175.185832][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185833][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185834][ T4471]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  175.185837][ T4471]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  175.185839][ T4471]  ? 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)
[  175.185840][ T4471]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  175.185842][ T4471]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  175.185844][ T4471]  ? register_netdev (net/core/dev.c:11618)
[  175.185845][ T4471]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.185847][ T4471]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  175.185850][ T4471]  ? __kernel_text_address (kernel/extable.c:79)
[  175.185852][ T4471]  ? write_profile (profile.c:?)
[  175.185855][ T4471]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  175.185859][ T4471]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  175.185861][ T4471]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  175.185863][ T4471]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  175.185864][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185865][ T4471]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  175.185868][ T4471]  ? kasan_save_stack (mm/kasan/common.c:58)
[  175.185870][ T4471]  ? kasan_save_stack (mm/kasan/common.c:57)
[  175.185871][ T4471]  ? kasan_save_track (mm/kasan/common.c:78)
[  175.185873][ T4471]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  175.185874][ T4471]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  175.185875][ T4471]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  175.185876][ T4471]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  175.185877][ T4471]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  175.185880][ T4471]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.185882][ T4471]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  175.185884][ T4471]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  175.185886][ T4471]  ? ____sys_sendmsg (net/socket.c:2713)
[  175.185888][ T4471]  ? ___sys_sendmsg (net/socket.c:2767)
[  175.185889][ T4471]  ? __sys_sendmsg (net/socket.c:2799)
[  175.185891][ T4471]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.185893][ T4471]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.185896][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185897][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185899][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185900][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185901][ T4471]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  175.185903][ T4471]  ? __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)
[  175.185904][ T4471]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  175.185905][ T4471]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  175.185907][ T4471]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  175.185908][ T4471]  ? nla_get_range_signed (lib/nlattr.c:270)
[  175.185911][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185913][ T4471]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  175.185915][ T4471]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  175.185917][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185918][ T4471]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  175.185919][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185921][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185922][ T4471]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  175.185925][ T4471]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  175.185926][ T4471]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  175.185928][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185929][ T4471]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  175.185932][ T4471]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  175.185934][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185935][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185937][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185938][ T4471]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  175.185940][ T4471]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  175.185941][ T4471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.185943][ T4471]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  175.185944][ T4471]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  175.185947][ T4471]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  175.185949][ T4471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.185950][ T4471]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.185952][ T4471]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  175.185953][ T4471]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  175.185956][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.185957][ T4471]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  175.185960][ T4471]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.185962][ T4471]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  175.185964][ T4471]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.185966][ T4471]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  175.185968][ T4471]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  175.185969][ T4471]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  175.185971][ T4471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.185973][ T4471]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  175.185976][ T4471]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  175.185978][ T4471]  ____sys_sendmsg (net/socket.c:2713)
[  175.185980][ T4471]  ? copy_msghdr_from_user (net/socket.c:2650)
[  175.185981][ T4471]  ? sock_write_iter (net/socket.c:1269)
[  175.185983][ T4471]  ? move_addr_to_kernel (net/socket.c:258)
[  175.185984][ T4471]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  175.185987][ T4471]  ___sys_sendmsg (net/socket.c:2767)
[  175.185989][ T4471]  ? copy_msghdr_from_user (net/socket.c:2619)
[  175.185994][ T4471]  __sys_sendmsg (net/socket.c:2799)
[  175.185996][ T4471]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  175.185999][ T4471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.186001][ T4471]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.186003][ T4471]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  175.186005][ T4471]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.186007][ T4471] RIP: 0033:0x7fbc991d554e
[  175.186009][ T4471] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  175.186010][ T4471] RSP: 002b:00007ffecd7cba00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  175.186014][ T4471] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbc991d554e
[  175.186016][ T4471] RDX: 0000000000000000 RSI: 00007ffecd7cbab0 RDI: 0000000000000005
[  175.186017][ T4471] RBP: 00007ffecd7cba10 R08: 0000000000000000 R09: 0000000000000000
[  175.186018][ T4471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911074
[  175.186019][ T4471] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecd7cc170
| [  176.321854][ T4521] softirqs last disabled at (0): 0x0
| [  176.321856][ T4521] Preemption disabled at:
| [  176.321857][ T4521] vprintk_emit (kernel/printk/printk.c:2471)
| [  176.321866][ T4521] Tainted: [W]=WARN
[  176.321867][ T4521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  176.321869][ T4521] Call Trace:
[  176.321871][ T4521]  <TASK>
[  176.321872][ T4521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  176.321878][ T4521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  176.321879][ T4521]  __might_resched.cold (kernel/sched/core.c:9234)
[  176.321883][ T4521]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  176.321885][ T4521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  176.321888][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321891][ T4521]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  176.321894][ T4521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.321897][ T4521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.321902][ T4521]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  176.321904][ T4521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  176.321906][ T4521]  put_chars (drivers/char/virtio_console.c:1176)
[  176.321908][ T4521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  176.321910][ T4521]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  176.321912][ T4521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  176.321917][ T4521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  176.321919][ T4521]  ? vsnprintf (lib/vsprintf.c:2900)
[  176.321922][ T4521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.321923][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321924][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321926][ T4521]  console_emit_next_record (kernel/printk/printk.c:3183)
[  176.321929][ T4521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  176.321931][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321932][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321933][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321935][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.321937][ T4521]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  176.321939][ T4521]  console_flush_one_record (kernel/printk/printk.c:3268)
[  176.321941][ T4521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  176.321944][ T4521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  176.321946][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.321947][ T4521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  176.321949][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321950][ T4521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.321952][ T4521]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  176.321953][ T4521]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  176.321955][ T4521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  176.321957][ T4521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  176.321958][ T4521]  vprintk_emit (kernel/printk/printk.c:2479)
[  176.321960][ T4521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  176.321961][ T4521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  176.321963][ T4521]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  176.321965][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.321967][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.321968][ T4521]  _printk (kernel/printk/printk.c:2504)
[  176.321971][ T4521]  ? snapshot_read.cold (user.c:?)
[  176.321973][ T4521]  ? br_multicast_flood (??:?)
[  176.321977][ T4521]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  176.321979][ T4521]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  176.321980][ T4521]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  176.321982][ T4521]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  176.321985][ T4521]  br_init_port (net/bridge/br_stp_if.c:39)
[  176.321986][ T4521]  new_nbp (net/bridge/br_if.c:449)
[  176.321989][ T4521]  br_add_if (net/bridge/br_if.c:592)
[  176.321990][ T4521]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  176.321994][ T4521]  do_set_master (net/core/rtnetlink.c:3071)
[  176.321996][ T4521]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  176.321998][ T4521]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  176.322000][ T4521]  ? __dev_get_by_name (net/core/dev.c:905)
[  176.322002][ T4521]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  176.322006][ T4521]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  176.322009][ T4521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  176.322011][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322012][ T4521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  176.322013][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.322015][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322017][ T4521]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  176.322019][ T4521]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  176.322021][ T4521]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  176.322023][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322024][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.322026][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322027][ T4521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  176.322028][ T4521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  176.322030][ T4521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  176.322031][ T4521]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  176.322033][ T4521]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  176.322037][ T4521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  176.322040][ T4521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  176.322041][ T4521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.322043][ T4521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  176.322044][ T4521]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  176.322047][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322048][ T4521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  176.322050][ T4521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  176.322052][ T4521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  176.322054][ T4521]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  176.322057][ T4521]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  176.322059][ T4521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  176.322061][ T4521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  176.322063][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.322065][ T4521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  176.322068][ T4521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  176.322071][ T4521]  ____sys_sendmsg (net/socket.c:2713)
[  176.322073][ T4521]  ? copy_msghdr_from_user (net/socket.c:2650)
[  176.322074][ T4521]  ? sock_write_iter (net/socket.c:1269)
[  176.322076][ T4521]  ? move_addr_to_kernel (net/socket.c:258)
[  176.322078][ T4521]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  176.322080][ T4521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  176.322082][ T4521]  ___sys_sendmsg (net/socket.c:2767)
[  176.322084][ T4521]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  176.322086][ T4521]  ? copy_msghdr_from_user (net/socket.c:2619)
[  176.322087][ T4521]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  176.322092][ T4521]  __sys_sendmsg (net/socket.c:2799)
[  176.322094][ T4521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  176.322097][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322098][ T4521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  176.322099][ T4521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  176.322102][ T4521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  176.322104][ T4521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  176.322106][ T4521] RIP: 0033:0x7f6422e1e54e
[  176.322108][ T4521] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  176.322109][ T4521] RSP: 002b:00007ffe8ffec740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  176.322113][ T4521] RAX: ffffffffffffffda RBX: 00007ffe8ffecf08 RCX: 00007f6422e1e54e
[  176.322114][ T4521] RDX: 0000000000000000 RSI: 00007ffe8ffec7f0 RDI: 0000000000000005
[  176.322115][ T4521] RBP: 00007ffe8ffec750 R08: 0000000000000000 R09: 0000000000000000
[  176.322116][ T4521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911075
[  176.322117][ T4521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8ffecec0
| [  181.964020][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  181.964023][   T12] Preemption disabled at:
| [  181.964024][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.964035][   T12] Tainted: [W]=WARN
[  181.964035][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.964037][   T12] Workqueue: netns cleanup_net
[  181.964043][   T12] Call Trace:
[  181.964044][   T12]  <TASK>
[  181.964045][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.964051][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.964052][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.964056][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  181.964058][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.964061][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964064][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.964067][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.964070][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.964075][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.964077][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.964080][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  181.964081][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.964083][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  181.964086][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.964091][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.964093][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  181.964095][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.964097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964100][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.964103][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.964105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964106][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964108][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.964111][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.964113][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.964115][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.964118][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.964120][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.964122][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.964124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964125][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.964126][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.964128][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  181.964129][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.964131][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.964133][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.964135][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.964136][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  181.964138][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.964140][   T12]  ? kthread (kernel/kthread.c:436)
[  181.964143][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  181.964145][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  181.964148][   T12]  _printk (kernel/printk/printk.c:2504)
[  181.964152][   T12]  ? snapshot_read.cold (user.c:?)
[  181.964154][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.964157][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.964159][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.964162][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  181.964164][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964165][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  181.964167][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  181.964170][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  181.964171][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  181.964173][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  181.964175][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  181.964178][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  181.964182][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  181.964184][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  181.964187][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  181.964189][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  181.964191][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  181.964194][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  181.964196][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  181.964198][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.964200][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.964202][   T12]  process_one_work (kernel/workqueue.c:3387)
[  181.964205][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  181.964208][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.964210][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.964213][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.964215][   T12]  kthread (kernel/kthread.c:436)
[  181.964217][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.964219][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.964221][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  181.964223][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  181.964225][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  181.964228][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.964230][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  183.426354][ T4644] softirqs last disabled at (0): 0x0
| [  183.426356][ T4644] Preemption disabled at:
| [  183.426357][ T4644] vprintk_emit (kernel/printk/printk.c:2471)
| [  183.426367][ T4644] Tainted: [W]=WARN
[  183.426368][ T4644] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  183.426370][ T4644] Call Trace:
[  183.426372][ T4644]  <TASK>
[  183.426373][ T4644]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  183.426379][ T4644]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  183.426380][ T4644]  __might_resched.cold (kernel/sched/core.c:9234)
[  183.426384][ T4644]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  183.426387][ T4644]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  183.426390][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426393][ T4644]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  183.426396][ T4644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.426399][ T4644]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.426404][ T4644]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  183.426406][ T4644]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.426408][ T4644]  put_chars (drivers/char/virtio_console.c:1176)
[  183.426410][ T4644]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  183.426412][ T4644]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  183.426414][ T4644]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  183.426419][ T4644]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  183.426421][ T4644]  ? vsnprintf (lib/vsprintf.c:2900)
[  183.426425][ T4644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.426427][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426428][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426430][ T4644]  console_emit_next_record (kernel/printk/printk.c:3183)
[  183.426432][ T4644]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  183.426435][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426442][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426443][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426444][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426447][ T4644]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  183.426448][ T4644]  console_flush_one_record (kernel/printk/printk.c:3268)
[  183.426451][ T4644]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  183.426454][ T4644]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  183.426456][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426457][ T4644]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  183.426459][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426460][ T4644]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.426462][ T4644]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  183.426463][ T4644]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  183.426465][ T4644]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  183.426467][ T4644]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  183.426468][ T4644]  vprintk_emit (kernel/printk/printk.c:2479)
[  183.426470][ T4644]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  183.426472][ T4644]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.426473][ T4644]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.426477][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426478][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426480][ T4644]  _printk (kernel/printk/printk.c:2504)
[  183.426483][ T4644]  ? snapshot_read.cold (user.c:?)
[  183.426485][ T4644]  ? br_multicast_flood (??:?)
[  183.426488][ T4644]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  183.426491][ T4644]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  183.426492][ T4644]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  183.426494][ T4644]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  183.426499][ T4644]  br_init_port (net/bridge/br_stp_if.c:39)
[  183.426500][ T4644]  new_nbp (net/bridge/br_if.c:449)
[  183.426503][ T4644]  br_add_if (net/bridge/br_if.c:592)
[  183.426505][ T4644]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  183.426509][ T4644]  do_set_master (net/core/rtnetlink.c:3071)
[  183.426511][ T4644]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  183.426513][ T4644]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  183.426515][ T4644]  ? __dev_get_by_name (net/core/dev.c:905)
[  183.426517][ T4644]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  183.426521][ T4644]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  183.426523][ T4644]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  183.426525][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426527][ T4644]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.426528][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426530][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426531][ T4644]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  183.426534][ T4644]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  183.426536][ T4644]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  183.426538][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426539][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426541][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426542][ T4644]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.426544][ T4644]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  183.426545][ T4644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.426547][ T4644]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.426548][ T4644]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  183.426552][ T4644]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  183.426555][ T4644]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.426557][ T4644]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.426559][ T4644]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  183.426560][ T4644]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  183.426563][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426564][ T4644]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.426567][ T4644]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  183.426569][ T4644]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  183.426571][ T4644]  ? next_uptodate_folio (mm/filemap.c:3747)
[  183.426574][ T4644]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  183.426576][ T4644]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  183.426578][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426580][ T4644]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  183.426584][ T4644]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  183.426587][ T4644]  ____sys_sendmsg (net/socket.c:2713)
[  183.426588][ T4644]  ? copy_msghdr_from_user (net/socket.c:2650)
[  183.426590][ T4644]  ? sock_write_iter (net/socket.c:1269)
[  183.426592][ T4644]  ? move_addr_to_kernel (net/socket.c:258)
[  183.426594][ T4644]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  183.426596][ T4644]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.426598][ T4644]  ___sys_sendmsg (net/socket.c:2767)
[  183.426600][ T4644]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  183.426602][ T4644]  ? copy_msghdr_from_user (net/socket.c:2619)
[  183.426604][ T4644]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  183.426608][ T4644]  __sys_sendmsg (net/socket.c:2799)
[  183.426611][ T4644]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  183.426613][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426614][ T4644]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.426616][ T4644]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  183.426618][ T4644]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  183.426620][ T4644]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.426623][ T4644] RIP: 0033:0x7fb65aacb54e
[  183.426625][ T4644] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  183.426626][ T4644] RSP: 002b:00007ffd4b291be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  183.426630][ T4644] RAX: ffffffffffffffda RBX: 00007ffd4b2923a8 RCX: 00007fb65aacb54e
[  183.426632][ T4644] RDX: 0000000000000000 RSI: 00007ffd4b291c90 RDI: 0000000000000005
[  183.426633][ T4644] RBP: 00007ffd4b291bf0 R08: 0000000000000000 R09: 0000000000000000
[  183.426634][ T4644] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91107c
[  183.426635][ T4644] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4b292360
| [  184.842922][ T4712] softirqs last disabled at (0): 0x0
| [  184.842924][ T4712] Preemption disabled at:
| [  184.842925][ T4712] vprintk_emit (kernel/printk/printk.c:2471)
| [  184.842935][ T4712] Tainted: [W]=WARN
[  184.842936][ T4712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.842938][ T4712] Call Trace:
[  184.842940][ T4712]  <TASK>
[  184.842941][ T4712]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  184.842946][ T4712]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  184.842948][ T4712]  __might_resched.cold (kernel/sched/core.c:9234)
[  184.842952][ T4712]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  184.842955][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.842958][ T4712]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  184.842961][ T4712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.842964][ T4712]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.842969][ T4712]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  184.842971][ T4712]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.842973][ T4712]  put_chars (drivers/char/virtio_console.c:1176)
[  184.842975][ T4712]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  184.842976][ T4712]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  184.842978][ T4712]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  184.842981][ T4712]  ? pointer (lib/vsprintf.c:2577)
[  184.842984][ T4712]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  184.842989][ T4712]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  184.842990][ T4712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.842992][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.842995][ T4712]  console_emit_next_record (kernel/printk/printk.c:3183)
[  184.842998][ T4712]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  184.843000][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843002][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843003][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843004][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.843006][ T4712]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  184.843008][ T4712]  console_flush_one_record (kernel/printk/printk.c:3268)
[  184.843011][ T4712]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  184.843014][ T4712]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  184.843016][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.843017][ T4712]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  184.843019][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843020][ T4712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.843022][ T4712]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  184.843023][ T4712]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  184.843025][ T4712]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  184.843027][ T4712]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  184.843029][ T4712]  vprintk_emit (kernel/printk/printk.c:2479)
[  184.843030][ T4712]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  184.843032][ T4712]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  184.843035][ T4712]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  184.843038][ T4712]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  184.843040][ T4712]  _printk (kernel/printk/printk.c:2504)
[  184.843043][ T4712]  ? snapshot_read.cold (user.c:?)
[  184.843045][ T4712]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  184.843048][ T4712]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  184.843051][ T4712]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  184.843053][ T4712]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  184.843057][ T4712]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  184.843059][ T4712]  ? netdev_notice (net/core/dev.c:13194)
[  184.843061][ T4712]  ? 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)
[  184.843063][ T4712]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  184.843066][ T4712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  184.843067][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843069][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843070][ T4712]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  184.843071][ T4712]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  184.843073][ T4712]  ? 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)
[  184.843074][ T4712]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  184.843076][ T4712]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  184.843077][ T4712]  ? register_netdev (net/core/dev.c:11618)
[  184.843079][ T4712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.843081][ T4712]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  184.843084][ T4712]  ? __kernel_text_address (kernel/extable.c:79)
[  184.843086][ T4712]  ? write_profile (profile.c:?)
[  184.843089][ T4712]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  184.843093][ T4712]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  184.843095][ T4712]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  184.843096][ T4712]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  184.843097][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843099][ T4712]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  184.843102][ T4712]  ? kasan_save_stack (mm/kasan/common.c:58)
[  184.843104][ T4712]  ? kasan_save_stack (mm/kasan/common.c:57)
[  184.843105][ T4712]  ? kasan_save_track (mm/kasan/common.c:78)
[  184.843107][ T4712]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  184.843108][ T4712]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  184.843109][ T4712]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  184.843110][ T4712]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  184.843111][ T4712]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  184.843114][ T4712]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  184.843116][ T4712]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  184.843117][ T4712]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  184.843120][ T4712]  ? ____sys_sendmsg (net/socket.c:2713)
[  184.843121][ T4712]  ? ___sys_sendmsg (net/socket.c:2767)
[  184.843123][ T4712]  ? __sys_sendmsg (net/socket.c:2799)
[  184.843125][ T4712]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.843127][ T4712]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.843130][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843131][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.843132][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843134][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843135][ T4712]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  184.843136][ T4712]  ? __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)
[  184.843137][ T4712]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  184.843139][ T4712]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  184.843140][ T4712]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  184.843142][ T4712]  ? nla_get_range_signed (lib/nlattr.c:270)
[  184.843145][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843146][ T4712]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  184.843148][ T4712]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  184.843151][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843152][ T4712]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  184.843153][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.843155][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843156][ T4712]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  184.843158][ T4712]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  184.843160][ T4712]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  184.843161][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843162][ T4712]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  184.843166][ T4712]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  184.843168][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843169][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.843171][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843172][ T4712]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  184.843173][ T4712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  184.843175][ T4712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  184.843177][ T4712]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  184.843178][ T4712]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  184.843181][ T4712]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  184.843183][ T4712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  184.843184][ T4712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.843186][ T4712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  184.843187][ T4712]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  184.843191][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843192][ T4712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  184.843194][ T4712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  184.843196][ T4712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  184.843198][ T4712]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.843200][ T4712]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  184.843202][ T4712]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  184.843204][ T4712]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  184.843206][ T4712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.843207][ T4712]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  184.843211][ T4712]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  184.843213][ T4712]  ____sys_sendmsg (net/socket.c:2713)
[  184.843214][ T4712]  ? copy_msghdr_from_user (net/socket.c:2650)
[  184.843216][ T4712]  ? sock_write_iter (net/socket.c:1269)
[  184.843218][ T4712]  ? move_addr_to_kernel (net/socket.c:258)
[  184.843219][ T4712]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  184.843222][ T4712]  ___sys_sendmsg (net/socket.c:2767)
[  184.843224][ T4712]  ? copy_msghdr_from_user (net/socket.c:2619)
[  184.843229][ T4712]  __sys_sendmsg (net/socket.c:2799)
[  184.843231][ T4712]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  184.843234][ T4712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.843235][ T4712]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.843237][ T4712]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  184.843239][ T4712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.843241][ T4712] RIP: 0033:0x7f2a0edf654e
[  184.843243][ T4712] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  184.843244][ T4712] RSP: 002b:00007ffd5d8f4ec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  184.843248][ T4712] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2a0edf654e
[  184.843249][ T4712] RDX: 0000000000000000 RSI: 00007ffd5d8f4f70 RDI: 0000000000000005
[  184.843250][ T4712] RBP: 00007ffd5d8f4ed0 R08: 0000000000000000 R09: 0000000000000000
[  184.843251][ T4712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91107e
[  184.843252][ T4712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5d8f5630
| [  186.007996][ T4770] softirqs last disabled at (0): 0x0
| [  186.007997][ T4770] Preemption disabled at:
| [  186.007998][ T4770] vprintk_emit (kernel/printk/printk.c:2471)
| [  186.008009][ T4770] Tainted: [W]=WARN
[  186.008010][ T4770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  186.008012][ T4770] Call Trace:
[  186.008014][ T4770]  <TASK>
[  186.008015][ T4770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  186.008021][ T4770]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  186.008023][ T4770]  __might_resched.cold (kernel/sched/core.c:9234)
[  186.008026][ T4770]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  186.008029][ T4770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  186.008032][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008035][ T4770]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  186.008037][ T4770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.008040][ T4770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.008046][ T4770]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  186.008048][ T4770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  186.008050][ T4770]  put_chars (drivers/char/virtio_console.c:1176)
[  186.008052][ T4770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  186.008054][ T4770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  186.008056][ T4770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  186.008061][ T4770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  186.008063][ T4770]  ? vsnprintf (lib/vsprintf.c:2900)
[  186.008066][ T4770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.008068][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008069][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008071][ T4770]  console_emit_next_record (kernel/printk/printk.c:3183)
[  186.008074][ T4770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  186.008076][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008077][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008078][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008079][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008082][ T4770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  186.008084][ T4770]  console_flush_one_record (kernel/printk/printk.c:3268)
[  186.008086][ T4770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  186.008089][ T4770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  186.008091][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008093][ T4770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  186.008094][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008095][ T4770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.008097][ T4770]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  186.008099][ T4770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  186.008100][ T4770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  186.008102][ T4770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  186.008104][ T4770]  vprintk_emit (kernel/printk/printk.c:2479)
[  186.008106][ T4770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  186.008107][ T4770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  186.008109][ T4770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  186.008111][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008113][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008115][ T4770]  _printk (kernel/printk/printk.c:2504)
[  186.008117][ T4770]  ? snapshot_read.cold (user.c:?)
[  186.008120][ T4770]  ? br_multicast_flood (??:?)
[  186.008123][ T4770]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  186.008126][ T4770]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  186.008127][ T4770]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  186.008129][ T4770]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  186.008132][ T4770]  br_init_port (net/bridge/br_stp_if.c:39)
[  186.008134][ T4770]  new_nbp (net/bridge/br_if.c:449)
[  186.008136][ T4770]  br_add_if (net/bridge/br_if.c:592)
[  186.008138][ T4770]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  186.008142][ T4770]  do_set_master (net/core/rtnetlink.c:3071)
[  186.008144][ T4770]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  186.008146][ T4770]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  186.008148][ T4770]  ? __dev_get_by_name (net/core/dev.c:905)
[  186.008149][ T4770]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  186.008154][ T4770]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  186.008156][ T4770]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  186.008158][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008160][ T4770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  186.008161][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008163][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008164][ T4770]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  186.008167][ T4770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  186.008169][ T4770]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  186.008172][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008173][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008174][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008176][ T4770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  186.008177][ T4770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  186.008179][ T4770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  186.008180][ T4770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  186.008182][ T4770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  186.008186][ T4770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  186.008189][ T4770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  186.008190][ T4770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.008192][ T4770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  186.008194][ T4770]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  186.008197][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008198][ T4770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  186.008200][ T4770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  186.008202][ T4770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  186.008204][ T4770]  ? next_uptodate_folio (mm/filemap.c:3747)
[  186.008207][ T4770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  186.008210][ T4770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  186.008212][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008213][ T4770]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  186.008217][ T4770]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  186.008220][ T4770]  ____sys_sendmsg (net/socket.c:2713)
[  186.008221][ T4770]  ? copy_msghdr_from_user (net/socket.c:2650)
[  186.008223][ T4770]  ? sock_write_iter (net/socket.c:1269)
[  186.008225][ T4770]  ? move_addr_to_kernel (net/socket.c:258)
[  186.008227][ T4770]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  186.008229][ T4770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  186.008231][ T4770]  ___sys_sendmsg (net/socket.c:2767)
[  186.008233][ T4770]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  186.008235][ T4770]  ? copy_msghdr_from_user (net/socket.c:2619)
[  186.008236][ T4770]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  186.008241][ T4770]  __sys_sendmsg (net/socket.c:2799)
[  186.008243][ T4770]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  186.008246][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008247][ T4770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  186.008249][ T4770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  186.008251][ T4770]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  186.008253][ T4770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  186.008255][ T4770] RIP: 0033:0x7f04ebc8954e
[  186.008257][ T4770] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  186.008259][ T4770] RSP: 002b:00007ffdd5b45b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  186.008263][ T4770] RAX: ffffffffffffffda RBX: 00007ffdd5b462e8 RCX: 00007f04ebc8954e
[  186.008265][ T4770] RDX: 0000000000000000 RSI: 00007ffdd5b45bd0 RDI: 0000000000000005
[  186.008266][ T4770] RBP: 00007ffdd5b45b30 R08: 0000000000000000 R09: 0000000000000000
[  186.008267][ T4770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91107f
[  186.008268][ T4770] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd5b462a0
| [  191.593910][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  191.593913][   T12] Preemption disabled at:
| [  191.593914][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.593924][   T12] Tainted: [W]=WARN
[  191.593925][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.593927][   T12] Workqueue: netns cleanup_net
[  191.593933][   T12] Call Trace:
[  191.593934][   T12]  <TASK>
[  191.593936][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.593941][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.593943][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.593946][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  191.593949][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.593952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.593955][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  191.593958][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.593961][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.593966][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  191.593967][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.593970][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  191.593972][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.593974][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  191.593976][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.593981][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.593983][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  191.593985][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.593987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.593988][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.593990][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.593993][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.593995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.593996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.593997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.593998][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.594000][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  191.594003][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.594005][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.594008][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.594010][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.594012][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.594014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.594015][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.594016][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  191.594018][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  191.594019][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.594021][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.594023][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.594025][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.594026][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  191.594027][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  191.594030][   T12]  ? kthread (kernel/kthread.c:436)
[  191.594032][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  191.594035][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  191.594038][   T12]  _printk (kernel/printk/printk.c:2504)
[  191.594041][   T12]  ? snapshot_read.cold (user.c:?)
[  191.594043][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  191.594046][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  191.594048][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  191.594051][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  191.594053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.594054][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  191.594056][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  191.594059][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  191.594060][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  191.594062][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  191.594064][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  191.594067][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  191.594071][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  191.594073][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  191.594075][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  191.594078][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  191.594080][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  191.594082][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  191.594084][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  191.594086][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.594088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.594089][   T12]  process_one_work (kernel/workqueue.c:3387)
[  191.594092][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  191.594095][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.594098][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  191.594101][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  191.594102][   T12]  kthread (kernel/kthread.c:436)
[  191.594104][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  191.594106][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  191.594108][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  191.594110][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  191.594112][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  191.594115][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  191.594117][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  193.012549][ T4893] softirqs last disabled at (0): 0x0
| [  193.012551][ T4893] Preemption disabled at:
| [  193.012552][ T4893] vprintk_emit (kernel/printk/printk.c:2471)
| [  193.012562][ T4893] Tainted: [W]=WARN
[  193.012563][ T4893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  193.012565][ T4893] Call Trace:
[  193.012567][ T4893]  <TASK>
[  193.012568][ T4893]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  193.012574][ T4893]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  193.012575][ T4893]  __might_resched.cold (kernel/sched/core.c:9234)
[  193.012579][ T4893]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  193.012581][ T4893]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  193.012584][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012587][ T4893]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  193.012589][ T4893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  193.012593][ T4893]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.012598][ T4893]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  193.012599][ T4893]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  193.012602][ T4893]  put_chars (drivers/char/virtio_console.c:1176)
[  193.012604][ T4893]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  193.012606][ T4893]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  193.012608][ T4893]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  193.012613][ T4893]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  193.012615][ T4893]  ? vsnprintf (lib/vsprintf.c:2900)
[  193.012618][ T4893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  193.012620][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012621][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012622][ T4893]  console_emit_next_record (kernel/printk/printk.c:3183)
[  193.012625][ T4893]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  193.012628][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012629][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012630][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012631][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012633][ T4893]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  193.012635][ T4893]  console_flush_one_record (kernel/printk/printk.c:3268)
[  193.012638][ T4893]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  193.012640][ T4893]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  193.012642][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012644][ T4893]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  193.012646][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012647][ T4893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.012648][ T4893]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  193.012650][ T4893]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  193.012651][ T4893]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  193.012653][ T4893]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  193.012655][ T4893]  vprintk_emit (kernel/printk/printk.c:2479)
[  193.012657][ T4893]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  193.012658][ T4893]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  193.012659][ T4893]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  193.012662][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012664][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012665][ T4893]  _printk (kernel/printk/printk.c:2504)
[  193.012668][ T4893]  ? snapshot_read.cold (user.c:?)
[  193.012670][ T4893]  ? br_multicast_flood (??:?)
[  193.012674][ T4893]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  193.012676][ T4893]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  193.012677][ T4893]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  193.012679][ T4893]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  193.012682][ T4893]  br_init_port (net/bridge/br_stp_if.c:39)
[  193.012684][ T4893]  new_nbp (net/bridge/br_if.c:449)
[  193.012686][ T4893]  br_add_if (net/bridge/br_if.c:592)
[  193.012688][ T4893]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  193.012692][ T4893]  do_set_master (net/core/rtnetlink.c:3071)
[  193.012694][ T4893]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  193.012696][ T4893]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  193.012697][ T4893]  ? __dev_get_by_name (net/core/dev.c:905)
[  193.012699][ T4893]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  193.012703][ T4893]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  193.012705][ T4893]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  193.012708][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012709][ T4893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  193.012710][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012712][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012713][ T4893]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  193.012716][ T4893]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  193.012718][ T4893]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  193.012720][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012721][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012723][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012724][ T4893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  193.012725][ T4893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  193.012727][ T4893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  193.012729][ T4893]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  193.012730][ T4893]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  193.012734][ T4893]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  193.012737][ T4893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  193.012738][ T4893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.012740][ T4893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  193.012741][ T4893]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  193.012744][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012745][ T4893]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  193.012747][ T4893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  193.012749][ T4893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  193.012752][ T4893]  ? next_uptodate_folio (mm/filemap.c:3747)
[  193.012755][ T4893]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  193.012757][ T4893]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  193.012759][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012760][ T4893]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  193.012764][ T4893]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  193.012767][ T4893]  ____sys_sendmsg (net/socket.c:2713)
[  193.012768][ T4893]  ? copy_msghdr_from_user (net/socket.c:2650)
[  193.012770][ T4893]  ? sock_write_iter (net/socket.c:1269)
[  193.012771][ T4893]  ? move_addr_to_kernel (net/socket.c:258)
[  193.012774][ T4893]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  193.012776][ T4893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  193.012778][ T4893]  ___sys_sendmsg (net/socket.c:2767)
[  193.012780][ T4893]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  193.012781][ T4893]  ? copy_msghdr_from_user (net/socket.c:2619)
[  193.012783][ T4893]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  193.012788][ T4893]  __sys_sendmsg (net/socket.c:2799)
[  193.012790][ T4893]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  193.012792][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012794][ T4893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  193.012795][ T4893]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  193.012798][ T4893]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  193.012800][ T4893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  193.012802][ T4893] RIP: 0033:0x7f3dd546154e
[  193.012804][ T4893] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  193.012806][ T4893] RSP: 002b:00007ffc945f1bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  193.012809][ T4893] RAX: ffffffffffffffda RBX: 00007ffc945f23b8 RCX: 00007f3dd546154e
[  193.012811][ T4893] RDX: 0000000000000000 RSI: 00007ffc945f1ca0 RDI: 0000000000000005
[  193.012812][ T4893] RBP: 00007ffc945f1c00 R08: 0000000000000000 R09: 0000000000000000
[  193.012812][ T4893] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911086
[  193.012813][ T4893] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc945f2370
| [  194.499833][ T4962] softirqs last disabled at (0): 0x0
| [  194.499834][ T4962] Preemption disabled at:
| [  194.499835][ T4962] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.499845][ T4962] Tainted: [W]=WARN
[  194.499846][ T4962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.499848][ T4962] Call Trace:
[  194.499850][ T4962]  <TASK>
[  194.499851][ T4962]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.499856][ T4962]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.499858][ T4962]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.499862][ T4962]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.499865][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499868][ T4962]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  194.499871][ T4962]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  194.499874][ T4962]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.499879][ T4962]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  194.499881][ T4962]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.499883][ T4962]  put_chars (drivers/char/virtio_console.c:1176)
[  194.499885][ T4962]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.499886][ T4962]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  194.499888][ T4962]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  194.499891][ T4962]  ? pointer (lib/vsprintf.c:2577)
[  194.499894][ T4962]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.499899][ T4962]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.499901][ T4962]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  194.499903][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.499905][ T4962]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.499908][ T4962]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.499910][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499912][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499913][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499914][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.499916][ T4962]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  194.499918][ T4962]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.499920][ T4962]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.499923][ T4962]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.499925][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.499927][ T4962]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.499929][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499930][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.499931][ T4962]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  194.499933][ T4962]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  194.499934][ T4962]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.499936][ T4962]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.499938][ T4962]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.499940][ T4962]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.499941][ T4962]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  194.499944][ T4962]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  194.499947][ T4962]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  194.499949][ T4962]  _printk (kernel/printk/printk.c:2504)
[  194.499952][ T4962]  ? snapshot_read.cold (user.c:?)
[  194.499954][ T4962]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  194.499957][ T4962]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  194.499960][ T4962]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  194.499962][ T4962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  194.499965][ T4962]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  194.499968][ T4962]  ? netdev_notice (net/core/dev.c:13194)
[  194.499970][ T4962]  ? 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)
[  194.499972][ T4962]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  194.499974][ T4962]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  194.499976][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499977][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.499978][ T4962]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  194.499980][ T4962]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  194.499981][ T4962]  ? 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)
[  194.499982][ T4962]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  194.499984][ T4962]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  194.499986][ T4962]  ? register_netdev (net/core/dev.c:11618)
[  194.499987][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.499989][ T4962]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  194.499992][ T4962]  ? __kernel_text_address (kernel/extable.c:79)
[  194.499995][ T4962]  ? write_profile (profile.c:?)
[  194.499998][ T4962]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  194.500003][ T4962]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  194.500005][ T4962]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  194.500007][ T4962]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  194.500008][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500009][ T4962]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  194.500013][ T4962]  ? kasan_save_stack (mm/kasan/common.c:58)
[  194.500014][ T4962]  ? kasan_save_stack (mm/kasan/common.c:57)
[  194.500016][ T4962]  ? kasan_save_track (mm/kasan/common.c:78)
[  194.500017][ T4962]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  194.500018][ T4962]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  194.500019][ T4962]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  194.500020][ T4962]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  194.500021][ T4962]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.500024][ T4962]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.500026][ T4962]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.500028][ T4962]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.500030][ T4962]  ? ____sys_sendmsg (net/socket.c:2713)
[  194.500032][ T4962]  ? ___sys_sendmsg (net/socket.c:2767)
[  194.500033][ T4962]  ? __sys_sendmsg (net/socket.c:2799)
[  194.500035][ T4962]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.500037][ T4962]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.500040][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500041][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.500043][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500044][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500045][ T4962]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  194.500046][ T4962]  ? __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)
[  194.500047][ T4962]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  194.500049][ T4962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  194.500050][ T4962]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  194.500052][ T4962]  ? nla_get_range_signed (lib/nlattr.c:270)
[  194.500055][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500056][ T4962]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  194.500059][ T4962]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  194.500061][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500062][ T4962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.500063][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.500065][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500066][ T4962]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  194.500069][ T4962]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  194.500070][ T4962]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  194.500072][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500073][ T4962]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  194.500076][ T4962]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  194.500079][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500080][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.500081][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500083][ T4962]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  194.500084][ T4962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  194.500086][ T4962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  194.500087][ T4962]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  194.500089][ T4962]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  194.500092][ T4962]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  194.500093][ T4962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  194.500095][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.500096][ T4962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  194.500098][ T4962]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  194.500101][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500102][ T4962]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  194.500105][ T4962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  194.500107][ T4962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  194.500109][ T4962]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.500111][ T4962]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  194.500113][ T4962]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  194.500115][ T4962]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  194.500116][ T4962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.500118][ T4962]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  194.500121][ T4962]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  194.500123][ T4962]  ____sys_sendmsg (net/socket.c:2713)
[  194.500125][ T4962]  ? copy_msghdr_from_user (net/socket.c:2650)
[  194.500127][ T4962]  ? sock_write_iter (net/socket.c:1269)
[  194.500128][ T4962]  ? move_addr_to_kernel (net/socket.c:258)
[  194.500130][ T4962]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  194.500132][ T4962]  ___sys_sendmsg (net/socket.c:2767)
[  194.500134][ T4962]  ? copy_msghdr_from_user (net/socket.c:2619)
[  194.500139][ T4962]  __sys_sendmsg (net/socket.c:2799)
[  194.500141][ T4962]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  194.500144][ T4962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.500146][ T4962]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  194.500148][ T4962]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  194.500150][ T4962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  194.500151][ T4962] RIP: 0033:0x7f4fd11a554e
[  194.500153][ T4962] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  194.500155][ T4962] RSP: 002b:00007fff79284f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  194.500159][ T4962] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4fd11a554e
[  194.500160][ T4962] RDX: 0000000000000000 RSI: 00007fff79285020 RDI: 0000000000000005
[  194.500161][ T4962] RBP: 00007fff79284f80 R08: 0000000000000000 R09: 0000000000000000
[  194.500162][ T4962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911087
[  194.500163][ T4962] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff792856e0
| [  195.664975][ T5012] softirqs last disabled at (0): 0x0
| [  195.664977][ T5012] Preemption disabled at:
| [  195.664978][ T5012] vprintk_emit (kernel/printk/printk.c:2471)
| [  195.664988][ T5012] Tainted: [W]=WARN
[  195.664989][ T5012] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  195.664990][ T5012] Call Trace:
[  195.664992][ T5012]  <TASK>
[  195.664993][ T5012]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  195.664999][ T5012]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  195.665000][ T5012]  __might_resched.cold (kernel/sched/core.c:9234)
[  195.665004][ T5012]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  195.665006][ T5012]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  195.665010][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665012][ T5012]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  195.665015][ T5012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.665018][ T5012]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.665024][ T5012]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  195.665025][ T5012]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.665028][ T5012]  put_chars (drivers/char/virtio_console.c:1176)
[  195.665030][ T5012]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  195.665032][ T5012]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  195.665034][ T5012]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  195.665039][ T5012]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  195.665041][ T5012]  ? vsnprintf (lib/vsprintf.c:2900)
[  195.665044][ T5012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.665046][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665047][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665049][ T5012]  console_emit_next_record (kernel/printk/printk.c:3183)
[  195.665051][ T5012]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  195.665054][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665055][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665056][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665057][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665059][ T5012]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  195.665061][ T5012]  console_flush_one_record (kernel/printk/printk.c:3268)
[  195.665064][ T5012]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  195.665066][ T5012]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  195.665068][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665070][ T5012]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  195.665072][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665073][ T5012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.665074][ T5012]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  195.665076][ T5012]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  195.665077][ T5012]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  195.665079][ T5012]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  195.665081][ T5012]  vprintk_emit (kernel/printk/printk.c:2479)
[  195.665083][ T5012]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  195.665084][ T5012]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  195.665085][ T5012]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  195.665088][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665090][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665091][ T5012]  _printk (kernel/printk/printk.c:2504)
[  195.665094][ T5012]  ? snapshot_read.cold (user.c:?)
[  195.665096][ T5012]  ? br_multicast_flood (??:?)
[  195.665100][ T5012]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  195.665103][ T5012]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  195.665104][ T5012]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  195.665106][ T5012]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  195.665108][ T5012]  br_init_port (net/bridge/br_stp_if.c:39)
[  195.665110][ T5012]  new_nbp (net/bridge/br_if.c:449)
[  195.665113][ T5012]  br_add_if (net/bridge/br_if.c:592)
[  195.665114][ T5012]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  195.665118][ T5012]  do_set_master (net/core/rtnetlink.c:3071)
[  195.665120][ T5012]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  195.665122][ T5012]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  195.665123][ T5012]  ? __dev_get_by_name (net/core/dev.c:905)
[  195.665125][ T5012]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  195.665129][ T5012]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  195.665132][ T5012]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  195.665134][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665135][ T5012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.665137][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665138][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665140][ T5012]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  195.665142][ T5012]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  195.665144][ T5012]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  195.665146][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665147][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665149][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665150][ T5012]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.665152][ T5012]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  195.665153][ T5012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.665155][ T5012]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  195.665156][ T5012]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  195.665160][ T5012]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  195.665163][ T5012]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.665164][ T5012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.665166][ T5012]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  195.665168][ T5012]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  195.665171][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665172][ T5012]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  195.665174][ T5012]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  195.665176][ T5012]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  195.665178][ T5012]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  195.665181][ T5012]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  195.665183][ T5012]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  195.665186][ T5012]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  195.665188][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665189][ T5012]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  195.665193][ T5012]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  195.665196][ T5012]  ____sys_sendmsg (net/socket.c:2713)
[  195.665198][ T5012]  ? copy_msghdr_from_user (net/socket.c:2650)
[  195.665199][ T5012]  ? sock_write_iter (net/socket.c:1269)
[  195.665201][ T5012]  ? move_addr_to_kernel (net/socket.c:258)
[  195.665203][ T5012]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  195.665206][ T5012]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.665208][ T5012]  ___sys_sendmsg (net/socket.c:2767)
[  195.665209][ T5012]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  195.665211][ T5012]  ? copy_msghdr_from_user (net/socket.c:2619)
[  195.665213][ T5012]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  195.665217][ T5012]  __sys_sendmsg (net/socket.c:2799)
[  195.665220][ T5012]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  195.665222][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665224][ T5012]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.665225][ T5012]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  195.665228][ T5012]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  195.665229][ T5012]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.665231][ T5012] RIP: 0033:0x7f4568f2e54e
[  195.665234][ T5012] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  195.665236][ T5012] RSP: 002b:00007ffce1b0fe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  195.665239][ T5012] RAX: ffffffffffffffda RBX: 00007ffce1b10648 RCX: 00007f4568f2e54e
[  195.665241][ T5012] RDX: 0000000000000000 RSI: 00007ffce1b0ff30 RDI: 0000000000000005
[  195.665242][ T5012] RBP: 00007ffce1b0fe90 R08: 0000000000000000 R09: 0000000000000000
[  195.665243][ T5012] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911089
[  195.665244][ T5012] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce1b10600
| [  201.206447][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  201.206449][   T12] Preemption disabled at:
| [  201.206450][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  201.206460][   T12] Tainted: [W]=WARN
[  201.206461][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  201.206463][   T12] Workqueue: netns cleanup_net
[  201.206468][   T12] Call Trace:
[  201.206470][   T12]  <TASK>
[  201.206472][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  201.206477][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  201.206479][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  201.206483][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  201.206485][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  201.206489][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206492][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  201.206494][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.206510][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.206515][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  201.206517][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.206520][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  201.206522][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  201.206524][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  201.206527][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  201.206532][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  201.206533][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  201.206536][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.206538][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206541][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  201.206544][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  201.206546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206547][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206549][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206550][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.206552][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  201.206554][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  201.206557][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  201.206560][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  201.206562][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.206564][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  201.206565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206566][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.206568][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  201.206570][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  201.206571][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  201.206573][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  201.206575][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  201.206577][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  201.206578][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  201.206580][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  201.206583][   T12]  ? kthread (kernel/kthread.c:436)
[  201.206585][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  201.206588][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  201.206590][   T12]  _printk (kernel/printk/printk.c:2504)
[  201.206594][   T12]  ? snapshot_read.cold (user.c:?)
[  201.206596][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  201.206599][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  201.206601][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  201.206604][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  201.206606][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206607][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  201.206609][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  201.206612][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  201.206613][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  201.206615][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  201.206617][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  201.206620][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  201.206624][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  201.206626][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  201.206629][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  201.206631][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  201.206633][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  201.206636][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  201.206638][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  201.206640][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.206642][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.206643][   T12]  process_one_work (kernel/workqueue.c:3387)
[  201.206646][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  201.206649][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.206652][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  201.206655][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  201.206657][   T12]  kthread (kernel/kthread.c:436)
[  201.206658][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.206660][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  201.206662][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  201.206664][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  201.206666][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  201.206669][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  201.206671][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  202.507927][ T5136] softirqs last disabled at (0): 0x0
| [  202.507929][ T5136] Preemption disabled at:
| [  202.507929][ T5136] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.507939][ T5136] Tainted: [W]=WARN
[  202.507940][ T5136] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.507942][ T5136] Call Trace:
[  202.507943][ T5136]  <TASK>
[  202.507945][ T5136]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.507950][ T5136]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.507952][ T5136]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.507955][ T5136]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  202.507958][ T5136]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.507961][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.507963][ T5136]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  202.507966][ T5136]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.507969][ T5136]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.507974][ T5136]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  202.507976][ T5136]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.507979][ T5136]  put_chars (drivers/char/virtio_console.c:1176)
[  202.507980][ T5136]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.507982][ T5136]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  202.507985][ T5136]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.507989][ T5136]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.507991][ T5136]  ? vsnprintf (lib/vsprintf.c:2900)
[  202.507994][ T5136]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.507996][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.507997][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.507999][ T5136]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.508002][ T5136]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.508004][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508005][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508006][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508008][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508010][ T5136]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  202.508012][ T5136]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.508014][ T5136]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.508017][ T5136]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.508019][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508021][ T5136]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.508022][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508023][ T5136]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.508025][ T5136]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  202.508027][ T5136]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  202.508028][ T5136]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.508030][ T5136]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.508032][ T5136]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.508034][ T5136]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.508035][ T5136]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.508037][ T5136]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.508039][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508041][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508042][ T5136]  _printk (kernel/printk/printk.c:2504)
[  202.508045][ T5136]  ? snapshot_read.cold (user.c:?)
[  202.508047][ T5136]  ? br_multicast_flood (??:?)
[  202.508051][ T5136]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  202.508054][ T5136]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  202.508055][ T5136]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.508057][ T5136]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  202.508059][ T5136]  br_init_port (net/bridge/br_stp_if.c:39)
[  202.508061][ T5136]  new_nbp (net/bridge/br_if.c:449)
[  202.508063][ T5136]  br_add_if (net/bridge/br_if.c:592)
[  202.508065][ T5136]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  202.508069][ T5136]  do_set_master (net/core/rtnetlink.c:3071)
[  202.508071][ T5136]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  202.508073][ T5136]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  202.508075][ T5136]  ? __dev_get_by_name (net/core/dev.c:905)
[  202.508076][ T5136]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  202.508080][ T5136]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  202.508083][ T5136]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.508085][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508086][ T5136]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.508087][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508089][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508090][ T5136]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  202.508093][ T5136]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  202.508095][ T5136]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  202.508098][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508099][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508100][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508102][ T5136]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.508103][ T5136]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.508105][ T5136]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.508106][ T5136]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.508108][ T5136]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  202.508112][ T5136]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.508115][ T5136]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.508116][ T5136]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.508118][ T5136]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.508120][ T5136]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  202.508123][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508124][ T5136]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.508126][ T5136]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.508128][ T5136]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.508131][ T5136]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  202.508133][ T5136]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  202.508136][ T5136]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.508138][ T5136]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.508140][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508142][ T5136]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  202.508146][ T5136]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.508149][ T5136]  ____sys_sendmsg (net/socket.c:2713)
[  202.508150][ T5136]  ? copy_msghdr_from_user (net/socket.c:2650)
[  202.508152][ T5136]  ? sock_write_iter (net/socket.c:1269)
[  202.508154][ T5136]  ? move_addr_to_kernel (net/socket.c:258)
[  202.508156][ T5136]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  202.508159][ T5136]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.508161][ T5136]  ___sys_sendmsg (net/socket.c:2767)
[  202.508162][ T5136]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  202.508164][ T5136]  ? copy_msghdr_from_user (net/socket.c:2619)
[  202.508166][ T5136]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  202.508170][ T5136]  __sys_sendmsg (net/socket.c:2799)
[  202.508173][ T5136]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  202.508175][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508176][ T5136]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.508178][ T5136]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.508180][ T5136]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.508182][ T5136]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.508184][ T5136] RIP: 0033:0x7fbd1d8ef54e
[  202.508187][ T5136] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  202.508188][ T5136] RSP: 002b:00007ffef773afe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  202.508192][ T5136] RAX: ffffffffffffffda RBX: 00007ffef773b7a8 RCX: 00007fbd1d8ef54e
[  202.508193][ T5136] RDX: 0000000000000000 RSI: 00007ffef773b090 RDI: 0000000000000005
[  202.508194][ T5136] RBP: 00007ffef773aff0 R08: 0000000000000000 R09: 0000000000000000
[  202.508195][ T5136] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91108f
[  202.508196][ T5136] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef773b760
| [  203.964884][ T5206] softirqs last disabled at (0): 0x0
| [  203.964886][ T5206] Preemption disabled at:
| [  203.964887][ T5206] vprintk_emit (kernel/printk/printk.c:2471)
| [  203.964897][ T5206] Tainted: [W]=WARN
[  203.964898][ T5206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  203.964900][ T5206] Call Trace:
[  203.964901][ T5206]  <TASK>
[  203.964903][ T5206]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  203.964908][ T5206]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  203.964910][ T5206]  __might_resched.cold (kernel/sched/core.c:9234)
[  203.964913][ T5206]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  203.964917][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.964920][ T5206]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  203.964923][ T5206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  203.964926][ T5206]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  203.964931][ T5206]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  203.964932][ T5206]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  203.964935][ T5206]  put_chars (drivers/char/virtio_console.c:1176)
[  203.964937][ T5206]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  203.964938][ T5206]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  203.964941][ T5206]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  203.964943][ T5206]  ? pointer (lib/vsprintf.c:2577)
[  203.964947][ T5206]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  203.964951][ T5206]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  203.964953][ T5206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  203.964955][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.964958][ T5206]  console_emit_next_record (kernel/printk/printk.c:3183)
[  203.964961][ T5206]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  203.964963][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.964964][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.964965][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.964966][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.964968][ T5206]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  203.964970][ T5206]  console_flush_one_record (kernel/printk/printk.c:3268)
[  203.964973][ T5206]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  203.964975][ T5206]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  203.964977][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.964979][ T5206]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  203.964981][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.964982][ T5206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.964984][ T5206]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  203.964985][ T5206]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  203.964987][ T5206]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  203.964989][ T5206]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  203.964991][ T5206]  vprintk_emit (kernel/printk/printk.c:2479)
[  203.964993][ T5206]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  203.964994][ T5206]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  203.964997][ T5206]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  203.965000][ T5206]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  203.965003][ T5206]  _printk (kernel/printk/printk.c:2504)
[  203.965006][ T5206]  ? snapshot_read.cold (user.c:?)
[  203.965008][ T5206]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  203.965010][ T5206]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  203.965014][ T5206]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  203.965016][ T5206]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  203.965019][ T5206]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  203.965021][ T5206]  ? netdev_notice (net/core/dev.c:13194)
[  203.965024][ T5206]  ? 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)
[  203.965025][ T5206]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  203.965028][ T5206]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  203.965030][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965031][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965032][ T5206]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  203.965033][ T5206]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  203.965035][ T5206]  ? 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)
[  203.965037][ T5206]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  203.965038][ T5206]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  203.965040][ T5206]  ? register_netdev (net/core/dev.c:11618)
[  203.965041][ T5206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.965043][ T5206]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  203.965046][ T5206]  ? __kernel_text_address (kernel/extable.c:79)
[  203.965048][ T5206]  ? write_profile (profile.c:?)
[  203.965051][ T5206]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  203.965055][ T5206]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  203.965057][ T5206]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  203.965058][ T5206]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  203.965059][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965061][ T5206]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  203.965064][ T5206]  ? kasan_save_stack (mm/kasan/common.c:58)
[  203.965066][ T5206]  ? kasan_save_stack (mm/kasan/common.c:57)
[  203.965067][ T5206]  ? kasan_save_track (mm/kasan/common.c:78)
[  203.965068][ T5206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  203.965070][ T5206]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  203.965071][ T5206]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  203.965072][ T5206]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  203.965073][ T5206]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  203.965076][ T5206]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  203.965078][ T5206]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  203.965080][ T5206]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  203.965082][ T5206]  ? ____sys_sendmsg (net/socket.c:2713)
[  203.965084][ T5206]  ? ___sys_sendmsg (net/socket.c:2767)
[  203.965085][ T5206]  ? __sys_sendmsg (net/socket.c:2799)
[  203.965087][ T5206]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  203.965089][ T5206]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  203.965092][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965093][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.965095][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965096][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965097][ T5206]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  203.965099][ T5206]  ? __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)
[  203.965100][ T5206]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  203.965101][ T5206]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  203.965103][ T5206]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  203.965104][ T5206]  ? nla_get_range_signed (lib/nlattr.c:270)
[  203.965108][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965109][ T5206]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  203.965111][ T5206]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  203.965113][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965115][ T5206]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  203.965116][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.965117][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965119][ T5206]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  203.965121][ T5206]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  203.965123][ T5206]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  203.965124][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965125][ T5206]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  203.965129][ T5206]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  203.965131][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965132][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.965134][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965135][ T5206]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  203.965136][ T5206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  203.965138][ T5206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  203.965140][ T5206]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  203.965141][ T5206]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  203.965144][ T5206]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  203.965146][ T5206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  203.965147][ T5206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.965149][ T5206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  203.965150][ T5206]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  203.965154][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965155][ T5206]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  203.965157][ T5206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  203.965160][ T5206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  203.965162][ T5206]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  203.965163][ T5206]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  203.965166][ T5206]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  203.965167][ T5206]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  203.965169][ T5206]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  203.965171][ T5206]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  203.965174][ T5206]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  203.965176][ T5206]  ____sys_sendmsg (net/socket.c:2713)
[  203.965178][ T5206]  ? copy_msghdr_from_user (net/socket.c:2650)
[  203.965180][ T5206]  ? sock_write_iter (net/socket.c:1269)
[  203.965181][ T5206]  ? move_addr_to_kernel (net/socket.c:258)
[  203.965183][ T5206]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  203.965186][ T5206]  ___sys_sendmsg (net/socket.c:2767)
[  203.965187][ T5206]  ? copy_msghdr_from_user (net/socket.c:2619)
[  203.965192][ T5206]  __sys_sendmsg (net/socket.c:2799)
[  203.965195][ T5206]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  203.965197][ T5206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  203.965199][ T5206]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  203.965201][ T5206]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  203.965203][ T5206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  203.965205][ T5206] RIP: 0033:0x7f7a28ca154e
[  203.965207][ T5206] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  203.965209][ T5206] RSP: 002b:00007ffe8bf7d110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  203.965212][ T5206] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7a28ca154e
[  203.965214][ T5206] RDX: 0000000000000000 RSI: 00007ffe8bf7d1c0 RDI: 0000000000000005
[  203.965215][ T5206] RBP: 00007ffe8bf7d120 R08: 0000000000000000 R09: 0000000000000000
[  203.965216][ T5206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911091
[  203.965217][ T5206] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8bf7d880
| [  205.112820][ T5256] softirqs last disabled at (0): 0x0
| [  205.112822][ T5256] Preemption disabled at:
| [  205.112823][ T5256] vprintk_emit (kernel/printk/printk.c:2471)
| [  205.112833][ T5256] Tainted: [W]=WARN
[  205.112833][ T5256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  205.112835][ T5256] Call Trace:
[  205.112837][ T5256]  <TASK>
[  205.112838][ T5256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  205.112844][ T5256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  205.112846][ T5256]  __might_resched.cold (kernel/sched/core.c:9234)
[  205.112850][ T5256]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  205.112852][ T5256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  205.112856][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112858][ T5256]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  205.112861][ T5256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  205.112864][ T5256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.112869][ T5256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  205.112871][ T5256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.112874][ T5256]  put_chars (drivers/char/virtio_console.c:1176)
[  205.112875][ T5256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  205.112877][ T5256]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  205.112880][ T5256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  205.112885][ T5256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  205.112886][ T5256]  ? vsnprintf (lib/vsprintf.c:2900)
[  205.112890][ T5256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  205.112891][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112892][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112894][ T5256]  console_emit_next_record (kernel/printk/printk.c:3183)
[  205.112897][ T5256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  205.112899][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112900][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112901][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112902][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.112905][ T5256]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  205.112907][ T5256]  console_flush_one_record (kernel/printk/printk.c:3268)
[  205.112909][ T5256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  205.112912][ T5256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  205.112914][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.112915][ T5256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  205.112917][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112918][ T5256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.112920][ T5256]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  205.112921][ T5256]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  205.112923][ T5256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  205.112925][ T5256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  205.112927][ T5256]  vprintk_emit (kernel/printk/printk.c:2479)
[  205.112928][ T5256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  205.112929][ T5256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  205.112931][ T5256]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  205.112934][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.112936][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112937][ T5256]  _printk (kernel/printk/printk.c:2504)
[  205.112940][ T5256]  ? snapshot_read.cold (user.c:?)
[  205.112942][ T5256]  ? br_multicast_flood (??:?)
[  205.112946][ T5256]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  205.112949][ T5256]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  205.112950][ T5256]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  205.112952][ T5256]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  205.112954][ T5256]  br_init_port (net/bridge/br_stp_if.c:39)
[  205.112956][ T5256]  new_nbp (net/bridge/br_if.c:449)
[  205.112958][ T5256]  br_add_if (net/bridge/br_if.c:592)
[  205.112960][ T5256]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  205.112964][ T5256]  do_set_master (net/core/rtnetlink.c:3071)
[  205.112966][ T5256]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  205.112968][ T5256]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  205.112969][ T5256]  ? __dev_get_by_name (net/core/dev.c:905)
[  205.112971][ T5256]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  205.112975][ T5256]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  205.112978][ T5256]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  205.112980][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112981][ T5256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.112982][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.112984][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112986][ T5256]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  205.112988][ T5256]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  205.112990][ T5256]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  205.112992][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112994][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.112995][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.112996][ T5256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  205.112998][ T5256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  205.113000][ T5256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  205.113001][ T5256]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  205.113003][ T5256]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  205.113007][ T5256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  205.113010][ T5256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  205.113011][ T5256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.113013][ T5256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  205.113015][ T5256]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  205.113018][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.113019][ T5256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  205.113021][ T5256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  205.113023][ T5256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  205.113025][ T5256]  ? next_uptodate_folio (mm/filemap.c:3747)
[  205.113028][ T5256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  205.113030][ T5256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  205.113032][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.113034][ T5256]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  205.113038][ T5256]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  205.113040][ T5256]  ____sys_sendmsg (net/socket.c:2713)
[  205.113042][ T5256]  ? copy_msghdr_from_user (net/socket.c:2650)
[  205.113044][ T5256]  ? sock_write_iter (net/socket.c:1269)
[  205.113045][ T5256]  ? move_addr_to_kernel (net/socket.c:258)
[  205.113048][ T5256]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  205.113050][ T5256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.113052][ T5256]  ___sys_sendmsg (net/socket.c:2767)
[  205.113054][ T5256]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  205.113056][ T5256]  ? copy_msghdr_from_user (net/socket.c:2619)
[  205.113057][ T5256]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  205.113062][ T5256]  __sys_sendmsg (net/socket.c:2799)
[  205.113064][ T5256]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  205.113067][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.113068][ T5256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.113069][ T5256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  205.113072][ T5256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  205.113074][ T5256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  205.113076][ T5256] RIP: 0033:0x7f0ff017a54e
[  205.113078][ T5256] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  205.113080][ T5256] RSP: 002b:00007ffc5037d930 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  205.113083][ T5256] RAX: ffffffffffffffda RBX: 00007ffc5037e0f8 RCX: 00007f0ff017a54e
[  205.113085][ T5256] RDX: 0000000000000000 RSI: 00007ffc5037d9e0 RDI: 0000000000000005
[  205.113086][ T5256] RBP: 00007ffc5037d940 R08: 0000000000000000 R09: 0000000000000000
[  205.113087][ T5256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911092
[  205.113088][ T5256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5037e0b0
| [  210.685948][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  210.685950][   T12] Preemption disabled at:
| [  210.685951][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.685962][   T12] Tainted: [W]=WARN
[  210.685963][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.685965][   T12] Workqueue: netns cleanup_net
[  210.685970][   T12] Call Trace:
[  210.685972][   T12]  <TASK>
[  210.685973][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.685979][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.685981][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.685984][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  210.685986][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.685990][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.685992][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  210.685995][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.685998][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.686003][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  210.686005][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.686008][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  210.686010][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.686011][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  210.686014][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.686019][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.686020][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  210.686023][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.686024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686027][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.686030][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.686032][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686035][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.686038][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  210.686040][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.686042][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.686045][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.686047][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.686048][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.686050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686051][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  210.686052][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  210.686054][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  210.686056][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.686058][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.686059][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.686061][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.686062][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  210.686064][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  210.686067][   T12]  ? kthread (kernel/kthread.c:436)
[  210.686069][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  210.686071][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  210.686074][   T12]  _printk (kernel/printk/printk.c:2504)
[  210.686077][   T12]  ? snapshot_read.cold (user.c:?)
[  210.686079][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  210.686083][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  210.686085][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  210.686087][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  210.686089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686090][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  210.686092][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  210.686095][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  210.686096][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  210.686098][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  210.686100][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  210.686103][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  210.686106][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  210.686109][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  210.686111][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  210.686113][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  210.686115][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  210.686118][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  210.686120][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  210.686122][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.686123][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.686125][   T12]  process_one_work (kernel/workqueue.c:3387)
[  210.686128][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  210.686131][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  210.686133][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  210.686136][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  210.686138][   T12]  kthread (kernel/kthread.c:436)
[  210.686140][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  210.686141][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  210.686143][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  210.686145][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  210.686147][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  210.686150][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  210.686152][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  212.049442][ T5379] softirqs last disabled at (0): 0x0
| [  212.049444][ T5379] Preemption disabled at:
| [  212.049445][ T5379] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.049455][ T5379] Tainted: [W]=WARN
[  212.049456][ T5379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.049458][ T5379] Call Trace:
[  212.049460][ T5379]  <TASK>
[  212.049461][ T5379]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.049466][ T5379]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.049468][ T5379]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.049472][ T5379]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  212.049474][ T5379]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.049477][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049480][ T5379]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  212.049483][ T5379]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.049486][ T5379]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.049491][ T5379]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  212.049493][ T5379]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.049496][ T5379]  put_chars (drivers/char/virtio_console.c:1176)
[  212.049500][ T5379]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.049502][ T5379]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  212.049505][ T5379]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.049510][ T5379]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.049511][ T5379]  ? vsnprintf (lib/vsprintf.c:2900)
[  212.049515][ T5379]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.049517][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049518][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049519][ T5379]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.049522][ T5379]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.049524][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049525][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049526][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049528][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049530][ T5379]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  212.049532][ T5379]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.049534][ T5379]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.049543][ T5379]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.049545][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049547][ T5379]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.049548][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049549][ T5379]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.049551][ T5379]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  212.049553][ T5379]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  212.049554][ T5379]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.049556][ T5379]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.049558][ T5379]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.049560][ T5379]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.049561][ T5379]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.049563][ T5379]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  212.049566][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049567][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049569][ T5379]  _printk (kernel/printk/printk.c:2504)
[  212.049572][ T5379]  ? snapshot_read.cold (user.c:?)
[  212.049574][ T5379]  ? br_multicast_flood (??:?)
[  212.049577][ T5379]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  212.049580][ T5379]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  212.049581][ T5379]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  212.049583][ T5379]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  212.049586][ T5379]  br_init_port (net/bridge/br_stp_if.c:39)
[  212.049587][ T5379]  new_nbp (net/bridge/br_if.c:449)
[  212.049590][ T5379]  br_add_if (net/bridge/br_if.c:592)
[  212.049592][ T5379]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  212.049596][ T5379]  do_set_master (net/core/rtnetlink.c:3071)
[  212.049597][ T5379]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  212.049599][ T5379]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  212.049601][ T5379]  ? __dev_get_by_name (net/core/dev.c:905)
[  212.049602][ T5379]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  212.049606][ T5379]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  212.049609][ T5379]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  212.049611][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049612][ T5379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.049614][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049615][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049617][ T5379]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  212.049619][ T5379]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  212.049621][ T5379]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  212.049624][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049625][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049626][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049628][ T5379]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.049629][ T5379]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  212.049631][ T5379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  212.049632][ T5379]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  212.049634][ T5379]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  212.049638][ T5379]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.049641][ T5379]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  212.049642][ T5379]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.049644][ T5379]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.049645][ T5379]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  212.049648][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049650][ T5379]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.049652][ T5379]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.049654][ T5379]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.049656][ T5379]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  212.049659][ T5379]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  212.049662][ T5379]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.049664][ T5379]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.049666][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049668][ T5379]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  212.049671][ T5379]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.049674][ T5379]  ____sys_sendmsg (net/socket.c:2713)
[  212.049676][ T5379]  ? copy_msghdr_from_user (net/socket.c:2650)
[  212.049678][ T5379]  ? sock_write_iter (net/socket.c:1269)
[  212.049679][ T5379]  ? move_addr_to_kernel (net/socket.c:258)
[  212.049681][ T5379]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  212.049684][ T5379]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.049686][ T5379]  ___sys_sendmsg (net/socket.c:2767)
[  212.049688][ T5379]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  212.049689][ T5379]  ? copy_msghdr_from_user (net/socket.c:2619)
[  212.049691][ T5379]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  212.049696][ T5379]  __sys_sendmsg (net/socket.c:2799)
[  212.049698][ T5379]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  212.049701][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049702][ T5379]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.049703][ T5379]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.049706][ T5379]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.049708][ T5379]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.049710][ T5379] RIP: 0033:0x7f3be909854e
[  212.049712][ T5379] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  212.049714][ T5379] RSP: 002b:00007ffefdf42f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  212.049718][ T5379] RAX: ffffffffffffffda RBX: 00007ffefdf436f8 RCX: 00007f3be909854e
[  212.049719][ T5379] RDX: 0000000000000000 RSI: 00007ffefdf42fe0 RDI: 0000000000000005
[  212.049720][ T5379] RBP: 00007ffefdf42f40 R08: 0000000000000000 R09: 0000000000000000
[  212.049721][ T5379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911099
[  212.049722][ T5379] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefdf436b0
| [  213.536634][ T5448] softirqs last disabled at (0): 0x0
| [  213.536636][ T5448] Preemption disabled at:
| [  213.536637][ T5448] vprintk_emit (kernel/printk/printk.c:2471)
| [  213.536648][ T5448] Tainted: [W]=WARN
[  213.536649][ T5448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  213.536650][ T5448] Call Trace:
[  213.536652][ T5448]  <TASK>
[  213.536653][ T5448]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  213.536659][ T5448]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  213.536660][ T5448]  __might_resched.cold (kernel/sched/core.c:9234)
[  213.536664][ T5448]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  213.536668][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536671][ T5448]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  213.536674][ T5448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.536677][ T5448]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.536682][ T5448]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  213.536684][ T5448]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  213.536687][ T5448]  put_chars (drivers/char/virtio_console.c:1176)
[  213.536688][ T5448]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  213.536689][ T5448]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  213.536692][ T5448]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  213.536694][ T5448]  ? pointer (lib/vsprintf.c:2577)
[  213.536698][ T5448]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  213.536703][ T5448]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  213.536705][ T5448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.536707][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536710][ T5448]  console_emit_next_record (kernel/printk/printk.c:3183)
[  213.536713][ T5448]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  213.536715][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536716][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536717][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536718][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536720][ T5448]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  213.536722][ T5448]  console_flush_one_record (kernel/printk/printk.c:3268)
[  213.536725][ T5448]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  213.536728][ T5448]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  213.536730][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536732][ T5448]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  213.536733][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536735][ T5448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.536736][ T5448]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  213.536738][ T5448]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  213.536739][ T5448]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  213.536742][ T5448]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  213.536743][ T5448]  vprintk_emit (kernel/printk/printk.c:2479)
[  213.536745][ T5448]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  213.536746][ T5448]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  213.536749][ T5448]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.536752][ T5448]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  213.536754][ T5448]  _printk (kernel/printk/printk.c:2504)
[  213.536757][ T5448]  ? snapshot_read.cold (user.c:?)
[  213.536759][ T5448]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  213.536762][ T5448]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  213.536765][ T5448]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  213.536767][ T5448]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  213.536770][ T5448]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  213.536773][ T5448]  ? netdev_notice (net/core/dev.c:13194)
[  213.536775][ T5448]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  213.536777][ T5448]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  213.536779][ T5448]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  213.536781][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536782][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536783][ T5448]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  213.536785][ T5448]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  213.536786][ T5448]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  213.536788][ T5448]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  213.536789][ T5448]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  213.536791][ T5448]  ? register_netdev (net/core/dev.c:11618)
[  213.536792][ T5448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.536794][ T5448]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  213.536797][ T5448]  ? __kernel_text_address (kernel/extable.c:79)
[  213.536800][ T5448]  ? write_profile (profile.c:?)
[  213.536803][ T5448]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  213.536807][ T5448]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  213.536809][ T5448]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  213.536810][ T5448]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  213.536811][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536813][ T5448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  213.536816][ T5448]  ? kasan_save_stack (mm/kasan/common.c:58)
[  213.536818][ T5448]  ? kasan_save_stack (mm/kasan/common.c:57)
[  213.536819][ T5448]  ? kasan_save_track (mm/kasan/common.c:78)
[  213.536820][ T5448]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  213.536821][ T5448]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  213.536823][ T5448]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  213.536824][ T5448]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  213.536825][ T5448]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.536828][ T5448]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.536830][ T5448]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.536831][ T5448]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.536834][ T5448]  ? ____sys_sendmsg (net/socket.c:2713)
[  213.536835][ T5448]  ? ___sys_sendmsg (net/socket.c:2767)
[  213.536837][ T5448]  ? __sys_sendmsg (net/socket.c:2799)
[  213.536839][ T5448]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.536841][ T5448]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.536844][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536845][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536846][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536847][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536849][ T5448]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  213.536850][ T5448]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  213.536851][ T5448]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  213.536853][ T5448]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  213.536854][ T5448]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  213.536856][ T5448]  ? nla_get_range_signed (lib/nlattr.c:270)
[  213.536859][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536860][ T5448]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  213.536863][ T5448]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  213.536865][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536866][ T5448]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.536867][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536869][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536871][ T5448]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  213.536873][ T5448]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  213.536874][ T5448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  213.536876][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536877][ T5448]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  213.536881][ T5448]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  213.536883][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536884][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536886][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536887][ T5448]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  213.536889][ T5448]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  213.536890][ T5448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  213.536892][ T5448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  213.536894][ T5448]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  213.536896][ T5448]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  213.536898][ T5448]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  213.536900][ T5448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.536901][ T5448]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  213.536903][ T5448]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  213.536906][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536908][ T5448]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  213.536910][ T5448]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  213.536912][ T5448]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  213.536914][ T5448]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.536916][ T5448]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  213.536918][ T5448]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  213.536920][ T5448]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  213.536922][ T5448]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  213.536923][ T5448]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  213.536927][ T5448]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  213.536928][ T5448]  ____sys_sendmsg (net/socket.c:2713)
[  213.536930][ T5448]  ? copy_msghdr_from_user (net/socket.c:2650)
[  213.536932][ T5448]  ? sock_write_iter (net/socket.c:1269)
[  213.536933][ T5448]  ? move_addr_to_kernel (net/socket.c:258)
[  213.536935][ T5448]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  213.536938][ T5448]  ___sys_sendmsg (net/socket.c:2767)
[  213.536940][ T5448]  ? copy_msghdr_from_user (net/socket.c:2619)
[  213.536945][ T5448]  __sys_sendmsg (net/socket.c:2799)
[  213.536947][ T5448]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  213.536950][ T5448]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  213.536952][ T5448]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  213.536954][ T5448]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  213.536956][ T5448]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  213.536957][ T5448] RIP: 0033:0x7f76f1e5354e
[  213.536960][ T5448] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  213.536962][ T5448] RSP: 002b:00007ffebb2e8430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  213.536965][ T5448] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f76f1e5354e
[  213.536967][ T5448] RDX: 0000000000000000 RSI: 00007ffebb2e84e0 RDI: 0000000000000005
[  213.536968][ T5448] RBP: 00007ffebb2e8440 R08: 0000000000000000 R09: 0000000000000000
[  213.536969][ T5448] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91109a
[  213.536970][ T5448] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebb2e8ba0
| [  214.757359][ T5498] softirqs last disabled at (0): 0x0
| [  214.757361][ T5498] Preemption disabled at:
| [  214.757362][ T5498] vprintk_emit (kernel/printk/printk.c:2471)
| [  214.757372][ T5498] Tainted: [W]=WARN
[  214.757372][ T5498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  214.757374][ T5498] Call Trace:
[  214.757376][ T5498]  <TASK>
[  214.757377][ T5498]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  214.757382][ T5498]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  214.757384][ T5498]  __might_resched.cold (kernel/sched/core.c:9234)
[  214.757387][ T5498]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  214.757390][ T5498]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  214.757393][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757396][ T5498]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  214.757398][ T5498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.757402][ T5498]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.757407][ T5498]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  214.757408][ T5498]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  214.757411][ T5498]  put_chars (drivers/char/virtio_console.c:1176)
[  214.757413][ T5498]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  214.757414][ T5498]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  214.757417][ T5498]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  214.757422][ T5498]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  214.757424][ T5498]  ? vsnprintf (lib/vsprintf.c:2900)
[  214.757427][ T5498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.757428][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757429][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757431][ T5498]  console_emit_next_record (kernel/printk/printk.c:3183)
[  214.757434][ T5498]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  214.757436][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757437][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757438][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757439][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757442][ T5498]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  214.757444][ T5498]  console_flush_one_record (kernel/printk/printk.c:3268)
[  214.757446][ T5498]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  214.757449][ T5498]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  214.757450][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757452][ T5498]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  214.757454][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757455][ T5498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.757456][ T5498]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  214.757458][ T5498]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  214.757459][ T5498]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  214.757461][ T5498]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  214.757463][ T5498]  vprintk_emit (kernel/printk/printk.c:2479)
[  214.757464][ T5498]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  214.757466][ T5498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  214.757467][ T5498]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.757470][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757472][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757473][ T5498]  _printk (kernel/printk/printk.c:2504)
[  214.757476][ T5498]  ? snapshot_read.cold (user.c:?)
[  214.757478][ T5498]  ? br_multicast_flood (??:?)
[  214.757481][ T5498]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  214.757484][ T5498]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  214.757485][ T5498]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  214.757487][ T5498]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  214.757490][ T5498]  br_init_port (net/bridge/br_stp_if.c:39)
[  214.757491][ T5498]  new_nbp (net/bridge/br_if.c:449)
[  214.757494][ T5498]  br_add_if (net/bridge/br_if.c:592)
[  214.757495][ T5498]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  214.757503][ T5498]  do_set_master (net/core/rtnetlink.c:3071)
[  214.757504][ T5498]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  214.757506][ T5498]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  214.757508][ T5498]  ? __dev_get_by_name (net/core/dev.c:905)
[  214.757509][ T5498]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  214.757513][ T5498]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  214.757516][ T5498]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  214.757518][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757519][ T5498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.757520][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757522][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757523][ T5498]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  214.757526][ T5498]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  214.757528][ T5498]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  214.757530][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757531][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757533][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757534][ T5498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  214.757535][ T5498]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  214.757537][ T5498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.757538][ T5498]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  214.757540][ T5498]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  214.757544][ T5498]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  214.757551][ T5498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  214.757553][ T5498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.757554][ T5498]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  214.757556][ T5498]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  214.757559][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757560][ T5498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  214.757562][ T5498]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  214.757565][ T5498]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  214.757567][ T5498]  ? next_uptodate_folio (mm/filemap.c:3747)
[  214.757570][ T5498]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  214.757572][ T5498]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  214.757574][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757576][ T5498]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  214.757579][ T5498]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  214.757582][ T5498]  ____sys_sendmsg (net/socket.c:2713)
[  214.757583][ T5498]  ? copy_msghdr_from_user (net/socket.c:2650)
[  214.757585][ T5498]  ? sock_write_iter (net/socket.c:1269)
[  214.757587][ T5498]  ? move_addr_to_kernel (net/socket.c:258)
[  214.757589][ T5498]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  214.757591][ T5498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  214.757593][ T5498]  ___sys_sendmsg (net/socket.c:2767)
[  214.757595][ T5498]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  214.757597][ T5498]  ? copy_msghdr_from_user (net/socket.c:2619)
[  214.757598][ T5498]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  214.757603][ T5498]  __sys_sendmsg (net/socket.c:2799)
[  214.757605][ T5498]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  214.757607][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757609][ T5498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  214.757610][ T5498]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  214.757613][ T5498]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  214.757615][ T5498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  214.757617][ T5498] RIP: 0033:0x7fd39436054e
[  214.757619][ T5498] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  214.757621][ T5498] RSP: 002b:00007ffe890959e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  214.757624][ T5498] RAX: ffffffffffffffda RBX: 00007ffe890961a8 RCX: 00007fd39436054e
[  214.757626][ T5498] RDX: 0000000000000000 RSI: 00007ffe89095a90 RDI: 0000000000000005
[  214.757627][ T5498] RBP: 00007ffe890959f0 R08: 0000000000000000 R09: 0000000000000000
[  214.757627][ T5498] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91109c
[  214.757628][ T5498] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe89096160
| [  229.389382][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  229.389385][   T12] Preemption disabled at:
| [  229.389386][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  229.389400][   T12] Tainted: [W]=WARN
[  229.389401][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  229.389404][   T12] Workqueue: netns cleanup_net
[  229.389411][   T12] Call Trace:
[  229.389413][   T12]  <TASK>
[  229.389415][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  229.389422][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  229.389424][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  229.389429][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  229.389432][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  229.389436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389440][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  229.389444][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  229.389448][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  229.389454][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  229.389456][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  229.389460][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  229.389463][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  229.389466][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  229.389470][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  229.389476][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  229.389479][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  229.389482][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  229.389485][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389487][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389490][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  229.389499][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  229.389502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389505][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389506][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389509][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  229.389513][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  229.389516][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  229.389520][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  229.389525][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  229.389528][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  229.389531][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  229.389533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389535][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  229.389538][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  229.389541][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  229.389545][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  229.389548][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  229.389552][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  229.389556][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  229.389558][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  229.389561][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  229.389565][   T12]  ? kthread (kernel/kthread.c:436)
[  229.389568][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  229.389572][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  229.389576][   T12]  _printk (kernel/printk/printk.c:2504)
[  229.389580][   T12]  ? snapshot_read.cold (user.c:?)
[  229.389584][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  229.389588][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  229.389591][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  229.389594][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  229.389598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389605][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  229.389607][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  229.389611][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  229.389614][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  229.389617][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  229.389620][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  229.389624][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  229.389630][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  229.389633][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  229.389637][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  229.389641][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  229.389644][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  229.389648][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  229.389651][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  229.389654][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  229.389657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  229.389660][   T12]  process_one_work (kernel/workqueue.c:3387)
[  229.389665][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  229.389669][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  229.389673][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  229.389678][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  229.389681][   T12]  kthread (kernel/kthread.c:436)
[  229.389683][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  229.389686][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  229.389690][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  229.389692][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  229.389696][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  229.389700][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  229.389703][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  232.086512][ T5834] softirqs last disabled at (0): 0x0
| [  232.086515][ T5834] Preemption disabled at:
| [  232.086516][ T5834] vprintk_emit (kernel/printk/printk.c:2471)
| [  232.086529][ T5834] Tainted: [W]=WARN
[  232.086530][ T5834] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  232.086533][ T5834] Call Trace:
[  232.086535][ T5834]  <TASK>
[  232.086537][ T5834]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  232.086543][ T5834]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  232.086546][ T5834]  __might_resched.cold (kernel/sched/core.c:9234)
[  232.086551][ T5834]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  232.086555][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086559][ T5834]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  232.086563][ T5834]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.086567][ T5834]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.086574][ T5834]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  232.086577][ T5834]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.086581][ T5834]  put_chars (drivers/char/virtio_console.c:1176)
[  232.086584][ T5834]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  232.086586][ T5834]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  232.086589][ T5834]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  232.086593][ T5834]  ? pointer (lib/vsprintf.c:2577)
[  232.086598][ T5834]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  232.086604][ T5834]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  232.086607][ T5834]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.086615][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086619][ T5834]  console_emit_next_record (kernel/printk/printk.c:3183)
[  232.086623][ T5834]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  232.086626][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086628][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086630][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086632][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086636][ T5834]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  232.086638][ T5834]  console_flush_one_record (kernel/printk/printk.c:3268)
[  232.086642][ T5834]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  232.086647][ T5834]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  232.086650][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086652][ T5834]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  232.086655][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086657][ T5834]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.086659][ T5834]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  232.086662][ T5834]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  232.086665][ T5834]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  232.086668][ T5834]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  232.086670][ T5834]  vprintk_emit (kernel/printk/printk.c:2479)
[  232.086674][ T5834]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  232.086676][ T5834]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  232.086679][ T5834]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  232.086683][ T5834]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  232.086687][ T5834]  _printk (kernel/printk/printk.c:2504)
[  232.086691][ T5834]  ? snapshot_read.cold (user.c:?)
[  232.086695][ T5834]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  232.086698][ T5834]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  232.086702][ T5834]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  232.086705][ T5834]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  232.086709][ T5834]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  232.086713][ T5834]  ? netdev_notice (net/core/dev.c:13194)
[  232.086716][ T5834]  ? 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)
[  232.086719][ T5834]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  232.086722][ T5834]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.086725][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086727][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086729][ T5834]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  232.086732][ T5834]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  232.086734][ T5834]  ? 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)
[  232.086737][ T5834]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  232.086739][ T5834]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  232.086742][ T5834]  ? register_netdev (net/core/dev.c:11618)
[  232.086745][ T5834]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.086748][ T5834]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  232.086752][ T5834]  ? __kernel_text_address (kernel/extable.c:79)
[  232.086755][ T5834]  ? write_profile (profile.c:?)
[  232.086759][ T5834]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  232.086764][ T5834]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  232.086768][ T5834]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  232.086771][ T5834]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  232.086773][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086775][ T5834]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  232.086780][ T5834]  ? kasan_save_stack (mm/kasan/common.c:58)
[  232.086783][ T5834]  ? kasan_save_stack (mm/kasan/common.c:57)
[  232.086785][ T5834]  ? kasan_save_track (mm/kasan/common.c:78)
[  232.086787][ T5834]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  232.086789][ T5834]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  232.086791][ T5834]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  232.086793][ T5834]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  232.086796][ T5834]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  232.086800][ T5834]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  232.086802][ T5834]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  232.086805][ T5834]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  232.086808][ T5834]  ? ____sys_sendmsg (net/socket.c:2713)
[  232.086811][ T5834]  ? ___sys_sendmsg (net/socket.c:2767)
[  232.086813][ T5834]  ? __sys_sendmsg (net/socket.c:2799)
[  232.086816][ T5834]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  232.086819][ T5834]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.086823][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086826][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086828][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086830][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086832][ T5834]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  232.086835][ T5834]  ? __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)
[  232.086837][ T5834]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  232.086839][ T5834]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  232.086842][ T5834]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  232.086844][ T5834]  ? nla_get_range_signed (lib/nlattr.c:270)
[  232.086849][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086852][ T5834]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  232.086856][ T5834]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  232.086859][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086861][ T5834]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  232.086863][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086866][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086869][ T5834]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  232.086872][ T5834]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  232.086874][ T5834]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  232.086877][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086879][ T5834]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  232.086883][ T5834]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  232.086886][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086888][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086891][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086893][ T5834]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  232.086896][ T5834]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  232.086899][ T5834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  232.086901][ T5834]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  232.086904][ T5834]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  232.086908][ T5834]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  232.086911][ T5834]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  232.086913][ T5834]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.086916][ T5834]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  232.086919][ T5834]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  232.086924][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086926][ T5834]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.086929][ T5834]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  232.086933][ T5834]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  232.086936][ T5834]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.086939][ T5834]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  232.086943][ T5834]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  232.086946][ T5834]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  232.086949][ T5834]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.086951][ T5834]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  232.086956][ T5834]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  232.086959][ T5834]  ____sys_sendmsg (net/socket.c:2713)
[  232.086962][ T5834]  ? copy_msghdr_from_user (net/socket.c:2650)
[  232.086964][ T5834]  ? sock_write_iter (net/socket.c:1269)
[  232.086967][ T5834]  ? move_addr_to_kernel (net/socket.c:258)
[  232.086969][ T5834]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  232.086974][ T5834]  ___sys_sendmsg (net/socket.c:2767)
[  232.086977][ T5834]  ? copy_msghdr_from_user (net/socket.c:2619)
[  232.086985][ T5834]  __sys_sendmsg (net/socket.c:2799)
[  232.086989][ T5834]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  232.086993][ T5834]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.086996][ T5834]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  232.086999][ T5834]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  232.087004][ T5834]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  232.087008][ T5834] RIP: 0033:0x7f2813f1e54e
[  232.087011][ T5834] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  232.087013][ T5834] RSP: 002b:00007ffc768e9090 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  232.087018][ T5834] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2813f1e54e
[  232.087021][ T5834] RDX: 0000000000000000 RSI: 00007ffc768e9140 RDI: 0000000000000005
[  232.087022][ T5834] RBP: 00007ffc768e90a0 R08: 0000000000000000 R09: 0000000000000000
[  232.087024][ T5834] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9110ad
[  232.087026][ T5834] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc768e9800
| [  233.388858][ T5908] softirqs last disabled at (0): 0x0
| [  233.388860][ T5908] Preemption disabled at:
| [  233.388861][ T5908] vprintk_emit (kernel/printk/printk.c:2471)
| [  233.388872][ T5908] Tainted: [W]=WARN
[  233.388873][ T5908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  233.388875][ T5908] Call Trace:
[  233.388876][ T5908]  <TASK>
[  233.388878][ T5908]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  233.388883][ T5908]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  233.388885][ T5908]  __might_resched.cold (kernel/sched/core.c:9234)
[  233.388889][ T5908]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  233.388891][ T5908]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  233.388894][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388897][ T5908]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  233.388900][ T5908]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  233.388903][ T5908]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.388908][ T5908]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  233.388910][ T5908]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  233.388913][ T5908]  put_chars (drivers/char/virtio_console.c:1176)
[  233.388914][ T5908]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  233.388916][ T5908]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  233.388919][ T5908]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  233.388924][ T5908]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  233.388926][ T5908]  ? vsnprintf (lib/vsprintf.c:2900)
[  233.388929][ T5908]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  233.388931][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388932][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388934][ T5908]  console_emit_next_record (kernel/printk/printk.c:3183)
[  233.388937][ T5908]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  233.388939][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388940][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388941][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388942][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.388945][ T5908]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  233.388946][ T5908]  console_flush_one_record (kernel/printk/printk.c:3268)
[  233.388949][ T5908]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  233.388952][ T5908]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  233.388954][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.388955][ T5908]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  233.388957][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388958][ T5908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.388960][ T5908]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  233.388961][ T5908]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  233.388963][ T5908]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  233.388965][ T5908]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  233.388966][ T5908]  vprintk_emit (kernel/printk/printk.c:2479)
[  233.388968][ T5908]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  233.388969][ T5908]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  233.388971][ T5908]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  233.388974][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.388976][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.388977][ T5908]  _printk (kernel/printk/printk.c:2504)
[  233.388980][ T5908]  ? snapshot_read.cold (user.c:?)
[  233.388982][ T5908]  ? br_multicast_flood (??:?)
[  233.388986][ T5908]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  233.388989][ T5908]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  233.388990][ T5908]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  233.388992][ T5908]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  233.388995][ T5908]  br_init_port (net/bridge/br_stp_if.c:39)
[  233.388996][ T5908]  new_nbp (net/bridge/br_if.c:449)
[  233.388999][ T5908]  br_add_if (net/bridge/br_if.c:592)
[  233.389001][ T5908]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  233.389006][ T5908]  do_set_master (net/core/rtnetlink.c:3071)
[  233.389008][ T5908]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  233.389010][ T5908]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  233.389011][ T5908]  ? __dev_get_by_name (net/core/dev.c:905)
[  233.389013][ T5908]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  233.389017][ T5908]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  233.389020][ T5908]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  233.389022][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389024][ T5908]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  233.389025][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.389026][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389028][ T5908]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  233.389031][ T5908]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  233.389032][ T5908]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  233.389035][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389036][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.389038][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389039][ T5908]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  233.389040][ T5908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  233.389042][ T5908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  233.389044][ T5908]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  233.389045][ T5908]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  233.389049][ T5908]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  233.389052][ T5908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  233.389053][ T5908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.389055][ T5908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  233.389057][ T5908]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  233.389060][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389061][ T5908]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  233.389063][ T5908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  233.389066][ T5908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  233.389068][ T5908]  ? next_uptodate_folio (mm/filemap.c:3747)
[  233.389071][ T5908]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  233.389073][ T5908]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  233.389075][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.389077][ T5908]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  233.389080][ T5908]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  233.389083][ T5908]  ____sys_sendmsg (net/socket.c:2713)
[  233.389085][ T5908]  ? copy_msghdr_from_user (net/socket.c:2650)
[  233.389087][ T5908]  ? sock_write_iter (net/socket.c:1269)
[  233.389088][ T5908]  ? move_addr_to_kernel (net/socket.c:258)
[  233.389091][ T5908]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  233.389093][ T5908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  233.389095][ T5908]  ___sys_sendmsg (net/socket.c:2767)
[  233.389097][ T5908]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  233.389099][ T5908]  ? copy_msghdr_from_user (net/socket.c:2619)
[  233.389101][ T5908]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  233.389106][ T5908]  __sys_sendmsg (net/socket.c:2799)
[  233.389108][ T5908]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  233.389110][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389112][ T5908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  233.389113][ T5908]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  233.389116][ T5908]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  233.389118][ T5908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  233.389120][ T5908] RIP: 0033:0x7f65d1e6354e
[  233.389122][ T5908] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  233.389124][ T5908] RSP: 002b:00007ffdc42a4060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  233.389128][ T5908] RAX: ffffffffffffffda RBX: 00007ffdc42a4828 RCX: 00007f65d1e6354e
[  233.389129][ T5908] RDX: 0000000000000000 RSI: 00007ffdc42a4110 RDI: 0000000000000005
[  233.389130][ T5908] RBP: 00007ffdc42a4070 R08: 0000000000000000 R09: 0000000000000000
[  233.389131][ T5908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9110ae
[  233.389132][ T5908] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc42a47e0
| [  234.766736][ T5975] softirqs last disabled at (0): 0x0
| [  234.766737][ T5975] Preemption disabled at:
| [  234.766738][ T5975] vprintk_emit (kernel/printk/printk.c:2471)
| [  234.766749][ T5975] Tainted: [W]=WARN
[  234.766750][ T5975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.766752][ T5975] Call Trace:
[  234.766753][ T5975]  <TASK>
[  234.766755][ T5975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  234.766761][ T5975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  234.766762][ T5975]  __might_resched.cold (kernel/sched/core.c:9234)
[  234.766766][ T5975]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  234.766768][ T5975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  234.766772][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766774][ T5975]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  234.766777][ T5975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.766780][ T5975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.766786][ T5975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  234.766788][ T5975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.766790][ T5975]  put_chars (drivers/char/virtio_console.c:1176)
[  234.766792][ T5975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  234.766794][ T5975]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  234.766796][ T5975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  234.766801][ T5975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  234.766803][ T5975]  ? vsnprintf (lib/vsprintf.c:2900)
[  234.766806][ T5975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.766808][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766809][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766810][ T5975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  234.766813][ T5975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  234.766815][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766816][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766817][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766818][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766821][ T5975]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  234.766822][ T5975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  234.766825][ T5975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  234.766827][ T5975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  234.766829][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766831][ T5975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  234.766833][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766834][ T5975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.766835][ T5975]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  234.766837][ T5975]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  234.766838][ T5975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  234.766841][ T5975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  234.766842][ T5975]  vprintk_emit (kernel/printk/printk.c:2479)
[  234.766844][ T5975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  234.766845][ T5975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.766847][ T5975]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  234.766850][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766851][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766853][ T5975]  _printk (kernel/printk/printk.c:2504)
[  234.766856][ T5975]  ? snapshot_read.cold (user.c:?)
[  234.766858][ T5975]  ? br_multicast_flood (??:?)
[  234.766861][ T5975]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  234.766864][ T5975]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  234.766865][ T5975]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  234.766867][ T5975]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  234.766870][ T5975]  br_init_port (net/bridge/br_stp_if.c:39)
[  234.766872][ T5975]  new_nbp (net/bridge/br_if.c:449)
[  234.766874][ T5975]  br_add_if (net/bridge/br_if.c:592)
[  234.766876][ T5975]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  234.766880][ T5975]  do_set_master (net/core/rtnetlink.c:3071)
[  234.766882][ T5975]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  234.766884][ T5975]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  234.766885][ T5975]  ? __dev_get_by_name (net/core/dev.c:905)
[  234.766887][ T5975]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  234.766891][ T5975]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  234.766893][ T5975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  234.766895][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766897][ T5975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  234.766898][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766899][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766901][ T5975]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  234.766904][ T5975]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  234.766905][ T5975]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  234.766908][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766909][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766910][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766911][ T5975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  234.766913][ T5975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  234.766915][ T5975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  234.766916][ T5975]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  234.766917][ T5975]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  234.766921][ T5975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  234.766924][ T5975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  234.766926][ T5975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.766927][ T5975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  234.766929][ T5975]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  234.766932][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766933][ T5975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.766935][ T5975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  234.766937][ T5975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  234.766939][ T5975]  ? next_uptodate_folio (mm/filemap.c:3747)
[  234.766942][ T5975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  234.766944][ T5975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  234.766946][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766948][ T5975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  234.766952][ T5975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  234.766955][ T5975]  ____sys_sendmsg (net/socket.c:2713)
[  234.766956][ T5975]  ? copy_msghdr_from_user (net/socket.c:2650)
[  234.766958][ T5975]  ? sock_write_iter (net/socket.c:1269)
[  234.766959][ T5975]  ? move_addr_to_kernel (net/socket.c:258)
[  234.766962][ T5975]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  234.766964][ T5975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.766966][ T5975]  ___sys_sendmsg (net/socket.c:2767)
[  234.766968][ T5975]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  234.766970][ T5975]  ? copy_msghdr_from_user (net/socket.c:2619)
[  234.766971][ T5975]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  234.766976][ T5975]  __sys_sendmsg (net/socket.c:2799)
[  234.766978][ T5975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  234.766981][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766982][ T5975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.766984][ T5975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  234.766986][ T5975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  234.766988][ T5975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  234.766990][ T5975] RIP: 0033:0x7f259fe3154e
[  234.766992][ T5975] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  234.766994][ T5975] RSP: 002b:00007ffd1ae6ad50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  234.766998][ T5975] RAX: ffffffffffffffda RBX: 00007ffd1ae6b518 RCX: 00007f259fe3154e
[  234.766999][ T5975] RDX: 0000000000000000 RSI: 00007ffd1ae6ae00 RDI: 0000000000000005
[  234.767001][ T5975] RBP: 00007ffd1ae6ad60 R08: 0000000000000000 R09: 0000000000000000
[  234.767002][ T5975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9110b0
[  234.767003][ T5975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1ae6b4d0
| [  335.743415][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  335.743417][   T12] Preemption disabled at:
| [  335.743418][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  335.743429][   T12] Tainted: [W]=WARN
[  335.743430][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  335.743432][   T12] Workqueue: netns cleanup_net
[  335.743437][   T12] Call Trace:
[  335.743439][   T12]  <TASK>
[  335.743440][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  335.743446][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  335.743447][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  335.743451][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  335.743453][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  335.743456][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743459][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  335.743462][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  335.743465][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  335.743469][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  335.743471][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  335.743474][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  335.743475][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  335.743477][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  335.743479][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  335.743484][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  335.743486][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  335.743488][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  335.743490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743491][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743493][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  335.743499][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  335.743501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743504][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.743506][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  335.743508][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  335.743511][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  335.743514][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  335.743516][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.743517][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  335.743519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743520][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  335.743522][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  335.743523][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  335.743525][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  335.743527][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  335.743528][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  335.743530][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  335.743532][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  335.743534][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  335.743537][   T12]  ? kthread (kernel/kthread.c:436)
[  335.743539][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  335.743542][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  335.743544][   T12]  _printk (kernel/printk/printk.c:2504)
[  335.743547][   T12]  ? snapshot_read.cold (user.c:?)
[  335.743550][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  335.743553][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  335.743555][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  335.743558][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  335.743560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743561][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  335.743563][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  335.743566][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  335.743567][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  335.743569][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  335.743571][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  335.743574][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  335.743578][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  335.743580][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  335.743583][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  335.743585][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  335.743587][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  335.743590][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  335.743592][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  335.743594][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  335.743595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  335.743597][   T12]  process_one_work (kernel/workqueue.c:3387)
[  335.743600][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  335.743602][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  335.743605][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  335.743608][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  335.743610][   T12]  kthread (kernel/kthread.c:436)
[  335.743611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  335.743613][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  335.743615][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  335.743617][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  335.743619][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  335.743622][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  335.743624][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  338.075739][ T6649] softirqs last disabled at (0): 0x0
| [  338.075741][ T6649] Preemption disabled at:
| [  338.075742][ T6649] vprintk_emit (kernel/printk/printk.c:2471)
| [  338.075753][ T6649] Tainted: [W]=WARN
[  338.075754][ T6649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  338.075755][ T6649] Call Trace:
[  338.075757][ T6649]  <TASK>
[  338.075758][ T6649]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  338.075764][ T6649]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  338.075765][ T6649]  __might_resched.cold (kernel/sched/core.c:9234)
[  338.075770][ T6649]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  338.075773][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075776][ T6649]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  338.075779][ T6649]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  338.075782][ T6649]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.075787][ T6649]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  338.075789][ T6649]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  338.075792][ T6649]  put_chars (drivers/char/virtio_console.c:1176)
[  338.075794][ T6649]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  338.075795][ T6649]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  338.075797][ T6649]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  338.075799][ T6649]  ? pointer (lib/vsprintf.c:2577)
[  338.075803][ T6649]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  338.075808][ T6649]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  338.075810][ T6649]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  338.075812][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.075814][ T6649]  console_emit_next_record (kernel/printk/printk.c:3183)
[  338.075817][ T6649]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  338.075819][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075820][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075821][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075823][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.075825][ T6649]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  338.075827][ T6649]  console_flush_one_record (kernel/printk/printk.c:3268)
[  338.075829][ T6649]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  338.075832][ T6649]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  338.075834][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.075836][ T6649]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  338.075837][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075838][ T6649]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  338.075840][ T6649]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  338.075842][ T6649]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  338.075843][ T6649]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  338.075845][ T6649]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  338.075847][ T6649]  vprintk_emit (kernel/printk/printk.c:2479)
[  338.075849][ T6649]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  338.075850][ T6649]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  338.075852][ T6649]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.075856][ T6649]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  338.075858][ T6649]  _printk (kernel/printk/printk.c:2504)
[  338.075861][ T6649]  ? snapshot_read.cold (user.c:?)
[  338.075863][ T6649]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  338.075866][ T6649]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  338.075869][ T6649]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  338.075871][ T6649]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  338.075874][ T6649]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  338.075876][ T6649]  ? netdev_notice (net/core/dev.c:13194)
[  338.075879][ T6649]  ? 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)
[  338.075880][ T6649]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  338.075883][ T6649]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  338.075885][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075886][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075887][ T6649]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  338.075888][ T6649]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  338.075890][ T6649]  ? 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)
[  338.075891][ T6649]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  338.075893][ T6649]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  338.075895][ T6649]  ? register_netdev (net/core/dev.c:11618)
[  338.075896][ T6649]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  338.075898][ T6649]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  338.075901][ T6649]  ? __kernel_text_address (kernel/extable.c:79)
[  338.075903][ T6649]  ? write_profile (profile.c:?)
[  338.075906][ T6649]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  338.075910][ T6649]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  338.075912][ T6649]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  338.075914][ T6649]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  338.075915][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075916][ T6649]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  338.075920][ T6649]  ? kasan_save_stack (mm/kasan/common.c:58)
[  338.075921][ T6649]  ? kasan_save_stack (mm/kasan/common.c:57)
[  338.075923][ T6649]  ? kasan_save_track (mm/kasan/common.c:78)
[  338.075924][ T6649]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  338.075925][ T6649]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  338.075926][ T6649]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  338.075927][ T6649]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  338.075929][ T6649]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  338.075931][ T6649]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  338.075933][ T6649]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  338.075935][ T6649]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  338.075937][ T6649]  ? ____sys_sendmsg (net/socket.c:2713)
[  338.075939][ T6649]  ? ___sys_sendmsg (net/socket.c:2767)
[  338.075940][ T6649]  ? __sys_sendmsg (net/socket.c:2799)
[  338.075942][ T6649]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  338.075944][ T6649]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  338.075947][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075948][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.075950][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075951][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075952][ T6649]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  338.075954][ T6649]  ? __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)
[  338.075955][ T6649]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  338.075956][ T6649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  338.075958][ T6649]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  338.075959][ T6649]  ? nla_get_range_signed (lib/nlattr.c:270)
[  338.075962][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075964][ T6649]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  338.075966][ T6649]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  338.075968][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075969][ T6649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  338.075971][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.075972][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075974][ T6649]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  338.075976][ T6649]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  338.075977][ T6649]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  338.075979][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075980][ T6649]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  338.075984][ T6649]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  338.075991][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075992][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.075994][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.075995][ T6649]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  338.075997][ T6649]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  338.075999][ T6649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  338.076000][ T6649]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  338.076002][ T6649]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  338.076004][ T6649]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  338.076006][ T6649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  338.076007][ T6649]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  338.076009][ T6649]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  338.076011][ T6649]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  338.076014][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.076015][ T6649]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  338.076017][ T6649]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  338.076019][ T6649]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  338.076021][ T6649]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  338.076023][ T6649]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  338.076026][ T6649]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  338.076027][ T6649]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  338.076029][ T6649]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  338.076031][ T6649]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  338.076034][ T6649]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  338.076036][ T6649]  ____sys_sendmsg (net/socket.c:2713)
[  338.076037][ T6649]  ? copy_msghdr_from_user (net/socket.c:2650)
[  338.076039][ T6649]  ? sock_write_iter (net/socket.c:1269)
[  338.076041][ T6649]  ? move_addr_to_kernel (net/socket.c:258)
[  338.076042][ T6649]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  338.076045][ T6649]  ___sys_sendmsg (net/socket.c:2767)
[  338.076047][ T6649]  ? copy_msghdr_from_user (net/socket.c:2619)
[  338.076052][ T6649]  __sys_sendmsg (net/socket.c:2799)
[  338.076054][ T6649]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  338.076057][ T6649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  338.076059][ T6649]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  338.076061][ T6649]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  338.076063][ T6649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  338.076064][ T6649] RIP: 0033:0x7fe20d06154e
[  338.076066][ T6649] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  338.076068][ T6649] RSP: 002b:00007fffc5435c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  338.076071][ T6649] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe20d06154e
[  338.076073][ T6649] RDX: 0000000000000000 RSI: 00007fffc5435d00 RDI: 0000000000000005
[  338.076074][ T6649] RBP: 00007fffc5435c60 R08: 0000000000000000 R09: 0000000000000000
[  338.076075][ T6649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911117
[  338.076076][ T6649] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc54363c0
| [  339.373985][ T6724] softirqs last disabled at (0): 0x0
| [  339.373987][ T6724] Preemption disabled at:
| [  339.373988][ T6724] vprintk_emit (kernel/printk/printk.c:2471)
| [  339.374003][ T6724] Tainted: [W]=WARN
[  339.374004][ T6724] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  339.374005][ T6724] Call Trace:
[  339.374007][ T6724]  <TASK>
[  339.374008][ T6724]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  339.374014][ T6724]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  339.374016][ T6724]  __might_resched.cold (kernel/sched/core.c:9234)
[  339.374020][ T6724]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  339.374022][ T6724]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  339.374026][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374028][ T6724]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  339.374031][ T6724]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  339.374034][ T6724]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  339.374040][ T6724]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  339.374042][ T6724]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  339.374044][ T6724]  put_chars (drivers/char/virtio_console.c:1176)
[  339.374046][ T6724]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  339.374048][ T6724]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  339.374051][ T6724]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  339.374056][ T6724]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  339.374058][ T6724]  ? vsnprintf (lib/vsprintf.c:2900)
[  339.374061][ T6724]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  339.374063][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374064][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374066][ T6724]  console_emit_next_record (kernel/printk/printk.c:3183)
[  339.374069][ T6724]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  339.374071][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374072][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374073][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374074][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374077][ T6724]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  339.374079][ T6724]  console_flush_one_record (kernel/printk/printk.c:3268)
[  339.374081][ T6724]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  339.374084][ T6724]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  339.374086][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374088][ T6724]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  339.374089][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374090][ T6724]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  339.374092][ T6724]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  339.374094][ T6724]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  339.374095][ T6724]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  339.374097][ T6724]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  339.374099][ T6724]  vprintk_emit (kernel/printk/printk.c:2479)
[  339.374101][ T6724]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  339.374102][ T6724]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  339.374104][ T6724]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  339.374106][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374108][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374110][ T6724]  _printk (kernel/printk/printk.c:2504)
[  339.374112][ T6724]  ? snapshot_read.cold (user.c:?)
[  339.374115][ T6724]  ? br_multicast_flood (??:?)
[  339.374118][ T6724]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  339.374121][ T6724]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  339.374122][ T6724]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  339.374124][ T6724]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  339.374127][ T6724]  br_init_port (net/bridge/br_stp_if.c:39)
[  339.374129][ T6724]  new_nbp (net/bridge/br_if.c:449)
[  339.374131][ T6724]  br_add_if (net/bridge/br_if.c:592)
[  339.374133][ T6724]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  339.374138][ T6724]  do_set_master (net/core/rtnetlink.c:3071)
[  339.374140][ T6724]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  339.374142][ T6724]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  339.374143][ T6724]  ? __dev_get_by_name (net/core/dev.c:905)
[  339.374145][ T6724]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  339.374149][ T6724]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  339.374152][ T6724]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  339.374154][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374155][ T6724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  339.374156][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374158][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374160][ T6724]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  339.374162][ T6724]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  339.374164][ T6724]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  339.374166][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374168][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374169][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374170][ T6724]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  339.374172][ T6724]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  339.374174][ T6724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  339.374175][ T6724]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  339.374177][ T6724]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  339.374181][ T6724]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  339.374184][ T6724]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  339.374185][ T6724]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  339.374187][ T6724]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  339.374188][ T6724]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  339.374191][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374193][ T6724]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  339.374195][ T6724]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  339.374197][ T6724]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  339.374199][ T6724]  ? next_uptodate_folio (mm/filemap.c:3747)
[  339.374202][ T6724]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  339.374205][ T6724]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  339.374207][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374208][ T6724]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  339.374212][ T6724]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  339.374215][ T6724]  ____sys_sendmsg (net/socket.c:2713)
[  339.374217][ T6724]  ? copy_msghdr_from_user (net/socket.c:2650)
[  339.374218][ T6724]  ? sock_write_iter (net/socket.c:1269)
[  339.374220][ T6724]  ? move_addr_to_kernel (net/socket.c:258)
[  339.374222][ T6724]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  339.374225][ T6724]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  339.374227][ T6724]  ___sys_sendmsg (net/socket.c:2767)
[  339.374229][ T6724]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  339.374230][ T6724]  ? copy_msghdr_from_user (net/socket.c:2619)
[  339.374232][ T6724]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  339.374237][ T6724]  __sys_sendmsg (net/socket.c:2799)
[  339.374239][ T6724]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  339.374242][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374243][ T6724]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  339.374244][ T6724]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  339.374247][ T6724]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  339.374249][ T6724]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  339.374251][ T6724] RIP: 0033:0x7f7f1fc0c54e
[  339.374253][ T6724] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  339.374255][ T6724] RSP: 002b:00007fff14a49050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  339.374259][ T6724] RAX: ffffffffffffffda RBX: 00007fff14a49818 RCX: 00007f7f1fc0c54e
[  339.374260][ T6724] RDX: 0000000000000000 RSI: 00007fff14a49100 RDI: 0000000000000005
[  339.374261][ T6724] RBP: 00007fff14a49060 R08: 0000000000000000 R09: 0000000000000000
[  339.374262][ T6724] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911118
[  339.374263][ T6724] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff14a497d0
| [  340.577033][ T6783] softirqs last disabled at (0): 0x0
| [  340.577035][ T6783] Preemption disabled at:
| [  340.577036][ T6783] vprintk_emit (kernel/printk/printk.c:2471)
| [  340.577046][ T6783] Tainted: [W]=WARN
[  340.577047][ T6783] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  340.577048][ T6783] Call Trace:
[  340.577050][ T6783]  <TASK>
[  340.577051][ T6783]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  340.577057][ T6783]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  340.577058][ T6783]  __might_resched.cold (kernel/sched/core.c:9234)
[  340.577061][ T6783]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  340.577064][ T6783]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  340.577067][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577070][ T6783]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  340.577072][ T6783]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  340.577075][ T6783]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  340.577081][ T6783]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  340.577082][ T6783]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  340.577085][ T6783]  put_chars (drivers/char/virtio_console.c:1176)
[  340.577087][ T6783]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  340.577089][ T6783]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  340.577091][ T6783]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  340.577096][ T6783]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  340.577098][ T6783]  ? vsnprintf (lib/vsprintf.c:2900)
[  340.577101][ T6783]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  340.577103][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577104][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577106][ T6783]  console_emit_next_record (kernel/printk/printk.c:3183)
[  340.577109][ T6783]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  340.577111][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577112][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577113][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577115][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577117][ T6783]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  340.577119][ T6783]  console_flush_one_record (kernel/printk/printk.c:3268)
[  340.577122][ T6783]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  340.577124][ T6783]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  340.577126][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577128][ T6783]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  340.577130][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577131][ T6783]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  340.577133][ T6783]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  340.577134][ T6783]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  340.577136][ T6783]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  340.577138][ T6783]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  340.577139][ T6783]  vprintk_emit (kernel/printk/printk.c:2479)
[  340.577141][ T6783]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  340.577143][ T6783]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  340.577144][ T6783]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  340.577147][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577149][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577151][ T6783]  _printk (kernel/printk/printk.c:2504)
[  340.577154][ T6783]  ? snapshot_read.cold (user.c:?)
[  340.577156][ T6783]  ? br_multicast_flood (??:?)
[  340.577160][ T6783]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  340.577162][ T6783]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  340.577164][ T6783]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  340.577166][ T6783]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  340.577168][ T6783]  br_init_port (net/bridge/br_stp_if.c:39)
[  340.577171][ T6783]  new_nbp (net/bridge/br_if.c:449)
[  340.577173][ T6783]  br_add_if (net/bridge/br_if.c:592)
[  340.577175][ T6783]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  340.577179][ T6783]  do_set_master (net/core/rtnetlink.c:3071)
[  340.577181][ T6783]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  340.577183][ T6783]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  340.577184][ T6783]  ? __dev_get_by_name (net/core/dev.c:905)
[  340.577186][ T6783]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  340.577190][ T6783]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  340.577193][ T6783]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  340.577195][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577196][ T6783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  340.577198][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577199][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577201][ T6783]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  340.577203][ T6783]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  340.577205][ T6783]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  340.577208][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577209][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577211][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577212][ T6783]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  340.577213][ T6783]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  340.577215][ T6783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  340.577217][ T6783]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  340.577219][ T6783]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  340.577223][ T6783]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  340.577226][ T6783]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  340.577227][ T6783]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  340.577229][ T6783]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  340.577230][ T6783]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  340.577234][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577235][ T6783]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  340.577237][ T6783]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  340.577239][ T6783]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  340.577241][ T6783]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  340.577244][ T6783]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  340.577247][ T6783]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  340.577249][ T6783]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  340.577251][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577253][ T6783]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  340.577256][ T6783]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  340.577259][ T6783]  ____sys_sendmsg (net/socket.c:2713)
[  340.577261][ T6783]  ? copy_msghdr_from_user (net/socket.c:2650)
[  340.577263][ T6783]  ? sock_write_iter (net/socket.c:1269)
[  340.577265][ T6783]  ? move_addr_to_kernel (net/socket.c:258)
[  340.577267][ T6783]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  340.577270][ T6783]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  340.577272][ T6783]  ___sys_sendmsg (net/socket.c:2767)
[  340.577273][ T6783]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  340.577275][ T6783]  ? copy_msghdr_from_user (net/socket.c:2619)
[  340.577277][ T6783]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  340.577282][ T6783]  __sys_sendmsg (net/socket.c:2799)
[  340.577284][ T6783]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  340.577287][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577288][ T6783]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  340.577289][ T6783]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  340.577292][ T6783]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  340.577294][ T6783]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  340.577296][ T6783] RIP: 0033:0x7fd1f75ee54e
[  340.577298][ T6783] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  340.577300][ T6783] RSP: 002b:00007ffe4c944450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  340.577304][ T6783] RAX: ffffffffffffffda RBX: 00007ffe4c944c18 RCX: 00007fd1f75ee54e
[  340.577305][ T6783] RDX: 0000000000000000 RSI: 00007ffe4c944500 RDI: 0000000000000005
[  340.577306][ T6783] RBP: 00007ffe4c944460 R08: 0000000000000000 R09: 0000000000000000
[  340.577307][ T6783] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911119
[  340.577308][ T6783] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4c944bd0
| [  354.623343][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  354.623346][   T12] Preemption disabled at:
| [  354.623347][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  354.623359][   T12] Tainted: [W]=WARN
[  354.623360][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  354.623362][   T12] Workqueue: netns cleanup_net
[  354.623367][   T12] Call Trace:
[  354.623369][   T12]  <TASK>
[  354.623371][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  354.623376][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  354.623378][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  354.623381][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  354.623384][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  354.623387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623390][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  354.623393][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  354.623396][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  354.623402][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  354.623404][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  354.623406][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  354.623409][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  354.623410][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  354.623413][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  354.623418][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  354.623420][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  354.623422][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  354.623424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623425][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623427][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  354.623430][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  354.623432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623434][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623435][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623436][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.623438][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  354.623440][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  354.623443][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  354.623446][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  354.623448][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.623450][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  354.623451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623452][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  354.623454][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  354.623456][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  354.623457][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  354.623459][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  354.623461][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  354.623463][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  354.623464][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  354.623466][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  354.623469][   T12]  ? kthread (kernel/kthread.c:436)
[  354.623471][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  354.623474][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  354.623476][   T12]  _printk (kernel/printk/printk.c:2504)
[  354.623479][   T12]  ? snapshot_read.cold (user.c:?)
[  354.623481][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  354.623485][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  354.623487][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  354.623489][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  354.623492][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623493][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  354.623494][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  354.623501][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  354.623502][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  354.623504][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  354.623506][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  354.623509][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  354.623513][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  354.623516][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  354.623518][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  354.623520][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  354.623522][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  354.623525][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  354.623527][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  354.623529][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  354.623532][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.623533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.623535][   T12]  process_one_work (kernel/workqueue.c:3387)
[  354.623538][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  354.623541][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  354.623543][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  354.623547][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  354.623548][   T12]  kthread (kernel/kthread.c:436)
[  354.623550][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  354.623552][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  354.623554][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  354.623556][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  354.623558][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  354.623561][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  354.623563][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  356.550044][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  356.550046][   T12] Preemption disabled at:
| [  356.550047][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  356.550063][   T12] Tainted: [W]=WARN
[  356.550064][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  356.550065][   T12] Workqueue: netns cleanup_net
[  356.550071][   T12] Call Trace:
[  356.550072][   T12]  <TASK>
[  356.550074][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  356.550080][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  356.550081][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  356.550084][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  356.550087][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  356.550090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550093][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  356.550095][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  356.550098][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  356.550103][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  356.550105][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  356.550107][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  356.550109][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  356.550111][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  356.550113][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  356.550118][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  356.550120][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  356.550122][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  356.550124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550127][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  356.550130][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  356.550132][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550133][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550134][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550135][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.550138][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  356.550140][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  356.550142][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  356.550145][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  356.550147][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.550149][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  356.550150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550151][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  356.550153][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  356.550154][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  356.550156][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  356.550158][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  356.550159][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  356.550161][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  356.550162][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  356.550164][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  356.550167][   T12]  ? kthread (kernel/kthread.c:436)
[  356.550169][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  356.550172][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  356.550175][   T12]  _printk (kernel/printk/printk.c:2504)
[  356.550178][   T12]  ? snapshot_read.cold (user.c:?)
[  356.550180][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  356.550183][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  356.550185][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  356.550187][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  356.550190][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550191][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  356.550192][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  356.550195][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  356.550197][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  356.550198][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  356.550201][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  356.550203][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  356.550207][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  356.550210][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  356.550212][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  356.550214][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  356.550216][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  356.550219][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  356.550221][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  356.550223][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  356.550226][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.550227][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.550229][   T12]  process_one_work (kernel/workqueue.c:3387)
[  356.550232][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  356.550235][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  356.550237][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  356.550240][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  356.550242][   T12]  kthread (kernel/kthread.c:436)
[  356.550244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  356.550245][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  356.550247][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  356.550249][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  356.550251][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  356.550255][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  356.550256][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  358.117757][ T7224] softirqs last disabled at (0): 0x0
| [  358.117759][ T7224] Preemption disabled at:
| [  358.117760][ T7224] vprintk_emit (kernel/printk/printk.c:2471)
| [  358.117770][ T7224] Tainted: [W]=WARN
[  358.117771][ T7224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  358.117773][ T7224] Call Trace:
[  358.117774][ T7224]  <TASK>
[  358.117776][ T7224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  358.117781][ T7224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  358.117783][ T7224]  __might_resched.cold (kernel/sched/core.c:9234)
[  358.117786][ T7224]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  358.117789][ T7224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  358.117792][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117795][ T7224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  358.117798][ T7224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  358.117801][ T7224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  358.117806][ T7224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  358.117808][ T7224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  358.117811][ T7224]  put_chars (drivers/char/virtio_console.c:1176)
[  358.117812][ T7224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  358.117814][ T7224]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  358.117817][ T7224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  358.117822][ T7224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  358.117823][ T7224]  ? vsnprintf (lib/vsprintf.c:2900)
[  358.117827][ T7224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  358.117828][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117830][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117832][ T7224]  console_emit_next_record (kernel/printk/printk.c:3183)
[  358.117835][ T7224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  358.117837][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117838][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117839][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117840][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117842][ T7224]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  358.117844][ T7224]  console_flush_one_record (kernel/printk/printk.c:3268)
[  358.117847][ T7224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  358.117850][ T7224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  358.117852][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117854][ T7224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  358.117855][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117856][ T7224]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  358.117858][ T7224]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  358.117860][ T7224]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  358.117861][ T7224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  358.117863][ T7224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  358.117865][ T7224]  vprintk_emit (kernel/printk/printk.c:2479)
[  358.117867][ T7224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  358.117868][ T7224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  358.117870][ T7224]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  358.117873][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117874][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117876][ T7224]  _printk (kernel/printk/printk.c:2504)
[  358.117879][ T7224]  ? snapshot_read.cold (user.c:?)
[  358.117881][ T7224]  ? br_multicast_flood (??:?)
[  358.117884][ T7224]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  358.117887][ T7224]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  358.117888][ T7224]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  358.117890][ T7224]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  358.117893][ T7224]  br_init_port (net/bridge/br_stp_if.c:39)
[  358.117895][ T7224]  new_nbp (net/bridge/br_if.c:449)
[  358.117897][ T7224]  br_add_if (net/bridge/br_if.c:592)
[  358.117899][ T7224]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  358.117903][ T7224]  do_set_master (net/core/rtnetlink.c:3071)
[  358.117905][ T7224]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  358.117907][ T7224]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  358.117908][ T7224]  ? __dev_get_by_name (net/core/dev.c:905)
[  358.117910][ T7224]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  358.117915][ T7224]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  358.117917][ T7224]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  358.117919][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117921][ T7224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  358.117922][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117924][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117925][ T7224]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  358.117928][ T7224]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  358.117930][ T7224]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  358.117932][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117933][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117935][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117936][ T7224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  358.117938][ T7224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  358.117940][ T7224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  358.117941][ T7224]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  358.117943][ T7224]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  358.117946][ T7224]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  358.117949][ T7224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  358.117951][ T7224]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  358.117953][ T7224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  358.117954][ T7224]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  358.117957][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.117959][ T7224]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  358.117961][ T7224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  358.117963][ T7224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  358.117965][ T7224]  ? next_uptodate_folio (mm/filemap.c:3747)
[  358.117968][ T7224]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  358.117970][ T7224]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  358.117973][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117974][ T7224]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  358.117978][ T7224]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  358.117981][ T7224]  ____sys_sendmsg (net/socket.c:2713)
[  358.117983][ T7224]  ? copy_msghdr_from_user (net/socket.c:2650)
[  358.117984][ T7224]  ? sock_write_iter (net/socket.c:1269)
[  358.117986][ T7224]  ? move_addr_to_kernel (net/socket.c:258)
[  358.117988][ T7224]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  358.117991][ T7224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  358.117993][ T7224]  ___sys_sendmsg (net/socket.c:2767)
[  358.117995][ T7224]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  358.117997][ T7224]  ? copy_msghdr_from_user (net/socket.c:2619)
[  358.117998][ T7224]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  358.118003][ T7224]  __sys_sendmsg (net/socket.c:2799)
[  358.118005][ T7224]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  358.118008][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.118009][ T7224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  358.118011][ T7224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  358.118013][ T7224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  358.118015][ T7224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  358.118017][ T7224] RIP: 0033:0x7f11e5e7954e
[  358.118020][ T7224] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  358.118022][ T7224] RSP: 002b:00007ffcf8e6a240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  358.118025][ T7224] RAX: ffffffffffffffda RBX: 00007ffcf8e6aa08 RCX: 00007f11e5e7954e
[  358.118027][ T7224] RDX: 0000000000000000 RSI: 00007ffcf8e6a2f0 RDI: 0000000000000005
[  358.118028][ T7224] RBP: 00007ffcf8e6a250 R08: 0000000000000000 R09: 0000000000000000
[  358.118029][ T7224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91112b
[  358.118030][ T7224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf8e6a9c0
| [  359.364341][ T7290] softirqs last disabled at (0): 0x0
| [  359.364343][ T7290] Preemption disabled at:
| [  359.364343][ T7290] vprintk_emit (kernel/printk/printk.c:2471)
| [  359.364354][ T7290] Tainted: [W]=WARN
[  359.364355][ T7290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  359.364356][ T7290] Call Trace:
[  359.364358][ T7290]  <TASK>
[  359.364359][ T7290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  359.364365][ T7290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  359.364366][ T7290]  __might_resched.cold (kernel/sched/core.c:9234)
[  359.364370][ T7290]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  359.364372][ T7290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  359.364376][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364378][ T7290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  359.364381][ T7290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  359.364384][ T7290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.364389][ T7290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  359.364391][ T7290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  359.364393][ T7290]  put_chars (drivers/char/virtio_console.c:1176)
[  359.364395][ T7290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  359.364397][ T7290]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  359.364400][ T7290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  359.364405][ T7290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  359.364407][ T7290]  ? vsnprintf (lib/vsprintf.c:2900)
[  359.364410][ T7290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  359.364412][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364413][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364415][ T7290]  console_emit_next_record (kernel/printk/printk.c:3183)
[  359.364418][ T7290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  359.364420][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364421][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364422][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364423][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364426][ T7290]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  359.364428][ T7290]  console_flush_one_record (kernel/printk/printk.c:3268)
[  359.364430][ T7290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  359.364433][ T7290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  359.364435][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364437][ T7290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  359.364438][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364440][ T7290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  359.364441][ T7290]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  359.364443][ T7290]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  359.364444][ T7290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  359.364446][ T7290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  359.364448][ T7290]  vprintk_emit (kernel/printk/printk.c:2479)
[  359.364449][ T7290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  359.364451][ T7290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  359.364452][ T7290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  359.364455][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364457][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364458][ T7290]  _printk (kernel/printk/printk.c:2504)
[  359.364462][ T7290]  ? snapshot_read.cold (user.c:?)
[  359.364464][ T7290]  ? br_multicast_flood (??:?)
[  359.364467][ T7290]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  359.364470][ T7290]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  359.364471][ T7290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  359.364473][ T7290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  359.364476][ T7290]  br_init_port (net/bridge/br_stp_if.c:39)
[  359.364477][ T7290]  new_nbp (net/bridge/br_if.c:449)
[  359.364480][ T7290]  br_add_if (net/bridge/br_if.c:592)
[  359.364482][ T7290]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  359.364486][ T7290]  do_set_master (net/core/rtnetlink.c:3071)
[  359.364488][ T7290]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  359.364490][ T7290]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  359.364491][ T7290]  ? __dev_get_by_name (net/core/dev.c:905)
[  359.364493][ T7290]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  359.364499][ T7290]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  359.364502][ T7290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  359.364504][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364505][ T7290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  359.364507][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364508][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364510][ T7290]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  359.364512][ T7290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  359.364514][ T7290]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  359.364517][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364518][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364519][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364521][ T7290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  359.364522][ T7290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  359.364524][ T7290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  359.364525][ T7290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  359.364527][ T7290]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  359.364531][ T7290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  359.364534][ T7290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  359.364535][ T7290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  359.364537][ T7290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  359.364538][ T7290]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  359.364542][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364543][ T7290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  359.364545][ T7290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  359.364547][ T7290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  359.364549][ T7290]  ? next_uptodate_folio (mm/filemap.c:3747)
[  359.364553][ T7290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  359.364555][ T7290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  359.364557][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364559][ T7290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  359.364562][ T7290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  359.364565][ T7290]  ____sys_sendmsg (net/socket.c:2713)
[  359.364567][ T7290]  ? copy_msghdr_from_user (net/socket.c:2650)
[  359.364569][ T7290]  ? sock_write_iter (net/socket.c:1269)
[  359.364570][ T7290]  ? move_addr_to_kernel (net/socket.c:258)
[  359.364573][ T7290]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  359.364575][ T7290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  359.364577][ T7290]  ___sys_sendmsg (net/socket.c:2767)
[  359.364579][ T7290]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  359.364581][ T7290]  ? copy_msghdr_from_user (net/socket.c:2619)
[  359.364582][ T7290]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  359.364587][ T7290]  __sys_sendmsg (net/socket.c:2799)
[  359.364589][ T7290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  359.364592][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364593][ T7290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  359.364594][ T7290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  359.364597][ T7290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  359.364599][ T7290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  359.364601][ T7290] RIP: 0033:0x7f66c010354e
[  359.364603][ T7290] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  359.364605][ T7290] RSP: 002b:00007ffc6923bf70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  359.364609][ T7290] RAX: ffffffffffffffda RBX: 00007ffc6923c738 RCX: 00007f66c010354e
[  359.364610][ T7290] RDX: 0000000000000000 RSI: 00007ffc6923c020 RDI: 0000000000000005
[  359.364611][ T7290] RBP: 00007ffc6923bf80 R08: 0000000000000000 R09: 0000000000000000
[  359.364612][ T7290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91112c
[  359.364613][ T7290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6923c6f0
| [  451.541129][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  451.541132][   T12] Preemption disabled at:
| [  451.541132][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  451.541143][   T12] Tainted: [W]=WARN
[  451.541144][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.541146][   T12] Workqueue: netns cleanup_net
[  451.541151][   T12] Call Trace:
[  451.541153][   T12]  <TASK>
[  451.541154][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  451.541160][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  451.541161][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  451.541164][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  451.541166][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  451.541170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541172][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  451.541175][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.541178][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.541183][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  451.541185][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.541187][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  451.541189][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  451.541191][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  451.541193][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  451.541198][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  451.541200][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  451.541202][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.541203][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541206][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  451.541209][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  451.541211][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541212][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541213][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541214][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.541217][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  451.541218][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  451.541221][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  451.541224][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  451.541225][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.541227][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  451.541229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541230][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  451.541231][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  451.541233][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  451.541234][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  451.541236][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  451.541237][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  451.541239][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  451.541240][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  451.541242][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  451.541244][   T12]  ? kthread (kernel/kthread.c:436)
[  451.541247][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  451.541249][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  451.541252][   T12]  _printk (kernel/printk/printk.c:2504)
[  451.541255][   T12]  ? snapshot_read.cold (user.c:?)
[  451.541257][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  451.541260][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  451.541262][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  451.541265][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  451.541267][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541268][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  451.541269][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  451.541273][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  451.541274][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  451.541275][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  451.541278][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  451.541280][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  451.541284][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  451.541287][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  451.541289][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  451.541291][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  451.541293][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  451.541296][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  451.541298][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  451.541300][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.541301][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.541303][   T12]  process_one_work (kernel/workqueue.c:3387)
[  451.541306][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  451.541308][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.541311][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  451.541314][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  451.541316][   T12]  kthread (kernel/kthread.c:436)
[  451.541317][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  451.541319][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  451.541321][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  451.541322][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  451.541324][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  451.541327][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  451.541329][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  453.269744][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  453.269747][   T12] Preemption disabled at:
| [  453.269748][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  453.269763][   T12] Tainted: [W]=WARN
[  453.269764][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  453.269767][   T12] Workqueue: netns cleanup_net
[  453.269773][   T12] Call Trace:
[  453.269775][   T12]  <TASK>
[  453.269778][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  453.269784][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  453.269786][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  453.269791][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  453.269794][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  453.269798][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269802][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  453.269806][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  453.269810][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.269815][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  453.269818][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  453.269822][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  453.269824][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  453.269827][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  453.269831][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  453.269837][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  453.269840][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  453.269843][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  453.269846][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269851][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  453.269855][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  453.269858][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269860][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269863][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.269867][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  453.269870][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  453.269873][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  453.269878][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  453.269880][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.269883][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  453.269885][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269887][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  453.269889][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  453.269892][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  453.269894][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  453.269897][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  453.269899][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  453.269902][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  453.269905][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  453.269907][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  453.269911][   T12]  ? kthread (kernel/kthread.c:436)
[  453.269914][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  453.269918][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  453.269922][   T12]  _printk (kernel/printk/printk.c:2504)
[  453.269926][   T12]  ? snapshot_read.cold (user.c:?)
[  453.269929][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  453.269934][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  453.269937][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  453.269940][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  453.269944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.269946][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  453.269948][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  453.269952][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  453.269954][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  453.269957][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  453.269960][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  453.269963][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  453.269969][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  453.269972][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  453.269976][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  453.269980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  453.269983][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  453.269986][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  453.269989][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  453.269992][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  453.269996][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  453.269998][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  453.270001][   T12]  process_one_work (kernel/workqueue.c:3387)
[  453.270006][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  453.270010][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  453.270014][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  453.270019][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  453.270021][   T12]  kthread (kernel/kthread.c:436)
[  453.270024][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  453.270027][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  453.270030][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  453.270033][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  453.270036][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  453.270040][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  453.270043][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  454.728109][ T8039] softirqs last disabled at (0): 0x0
| [  454.728110][ T8039] Preemption disabled at:
| [  454.728111][ T8039] vprintk_emit (kernel/printk/printk.c:2471)
| [  454.728121][ T8039] Tainted: [W]=WARN
[  454.728122][ T8039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  454.728123][ T8039] Call Trace:
[  454.728125][ T8039]  <TASK>
[  454.728126][ T8039]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  454.728131][ T8039]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  454.728133][ T8039]  __might_resched.cold (kernel/sched/core.c:9234)
[  454.728136][ T8039]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  454.728139][ T8039]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  454.728142][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728144][ T8039]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  454.728147][ T8039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  454.728150][ T8039]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  454.728155][ T8039]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  454.728157][ T8039]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  454.728160][ T8039]  put_chars (drivers/char/virtio_console.c:1176)
[  454.728161][ T8039]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  454.728163][ T8039]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  454.728165][ T8039]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  454.728170][ T8039]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  454.728172][ T8039]  ? vsnprintf (lib/vsprintf.c:2900)
[  454.728175][ T8039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  454.728177][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728178][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728180][ T8039]  console_emit_next_record (kernel/printk/printk.c:3183)
[  454.728182][ T8039]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  454.728184][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728185][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728186][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728187][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728190][ T8039]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  454.728192][ T8039]  console_flush_one_record (kernel/printk/printk.c:3268)
[  454.728194][ T8039]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  454.728197][ T8039]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  454.728199][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728200][ T8039]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  454.728202][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728203][ T8039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  454.728205][ T8039]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  454.728206][ T8039]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  454.728207][ T8039]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  454.728209][ T8039]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  454.728211][ T8039]  vprintk_emit (kernel/printk/printk.c:2479)
[  454.728213][ T8039]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  454.728214][ T8039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  454.728215][ T8039]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  454.728218][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728220][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728221][ T8039]  _printk (kernel/printk/printk.c:2504)
[  454.728224][ T8039]  ? snapshot_read.cold (user.c:?)
[  454.728226][ T8039]  ? br_multicast_flood (??:?)
[  454.728229][ T8039]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  454.728232][ T8039]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  454.728233][ T8039]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  454.728235][ T8039]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  454.728238][ T8039]  br_init_port (net/bridge/br_stp_if.c:39)
[  454.728240][ T8039]  new_nbp (net/bridge/br_if.c:449)
[  454.728242][ T8039]  br_add_if (net/bridge/br_if.c:592)
[  454.728244][ T8039]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  454.728248][ T8039]  do_set_master (net/core/rtnetlink.c:3071)
[  454.728249][ T8039]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  454.728251][ T8039]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  454.728253][ T8039]  ? __dev_get_by_name (net/core/dev.c:905)
[  454.728254][ T8039]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  454.728258][ T8039]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  454.728261][ T8039]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  454.728263][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728264][ T8039]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  454.728265][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728267][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728268][ T8039]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  454.728271][ T8039]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  454.728273][ T8039]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  454.728275][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728276][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728278][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728279][ T8039]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  454.728281][ T8039]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  454.728283][ T8039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  454.728284][ T8039]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  454.728285][ T8039]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  454.728289][ T8039]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  454.728292][ T8039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  454.728294][ T8039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  454.728295][ T8039]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  454.728297][ T8039]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  454.728300][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728301][ T8039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  454.728303][ T8039]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  454.728305][ T8039]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  454.728307][ T8039]  ? next_uptodate_folio (mm/filemap.c:3747)
[  454.728310][ T8039]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  454.728313][ T8039]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  454.728315][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728316][ T8039]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  454.728320][ T8039]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  454.728322][ T8039]  ____sys_sendmsg (net/socket.c:2713)
[  454.728324][ T8039]  ? copy_msghdr_from_user (net/socket.c:2650)
[  454.728326][ T8039]  ? sock_write_iter (net/socket.c:1269)
[  454.728327][ T8039]  ? move_addr_to_kernel (net/socket.c:258)
[  454.728329][ T8039]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  454.728332][ T8039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  454.728334][ T8039]  ___sys_sendmsg (net/socket.c:2767)
[  454.728335][ T8039]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  454.728337][ T8039]  ? copy_msghdr_from_user (net/socket.c:2619)
[  454.728339][ T8039]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  454.728343][ T8039]  __sys_sendmsg (net/socket.c:2799)
[  454.728345][ T8039]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  454.728348][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728349][ T8039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  454.728350][ T8039]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  454.728353][ T8039]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  454.728355][ T8039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  454.728357][ T8039] RIP: 0033:0x7f1a0accd54e
[  454.728359][ T8039] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  454.728361][ T8039] RSP: 002b:00007fffa9708570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  454.728365][ T8039] RAX: ffffffffffffffda RBX: 00007fffa9708d38 RCX: 00007f1a0accd54e
[  454.728366][ T8039] RDX: 0000000000000000 RSI: 00007fffa9708620 RDI: 0000000000000005
[  454.728367][ T8039] RBP: 00007fffa9708580 R08: 0000000000000000 R09: 0000000000000000
[  454.728368][ T8039] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91118c
[  454.728369][ T8039] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa9708cf0
| [  455.840585][ T8105] softirqs last disabled at (0): 0x0
| [  455.840587][ T8105] Preemption disabled at:
| [  455.840588][ T8105] vprintk_emit (kernel/printk/printk.c:2471)
| [  455.840598][ T8105] Tainted: [W]=WARN
[  455.840599][ T8105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  455.840600][ T8105] Call Trace:
[  455.840602][ T8105]  <TASK>
[  455.840603][ T8105]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  455.840608][ T8105]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  455.840610][ T8105]  __might_resched.cold (kernel/sched/core.c:9234)
[  455.840614][ T8105]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  455.840616][ T8105]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  455.840620][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840622][ T8105]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  455.840625][ T8105]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  455.840628][ T8105]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.840633][ T8105]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  455.840635][ T8105]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  455.840637][ T8105]  put_chars (drivers/char/virtio_console.c:1176)
[  455.840639][ T8105]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  455.840641][ T8105]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  455.840643][ T8105]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  455.840648][ T8105]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  455.840650][ T8105]  ? vsnprintf (lib/vsprintf.c:2900)
[  455.840653][ T8105]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  455.840654][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840655][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840657][ T8105]  console_emit_next_record (kernel/printk/printk.c:3183)
[  455.840660][ T8105]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  455.840662][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840663][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840664][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840665][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840668][ T8105]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  455.840669][ T8105]  console_flush_one_record (kernel/printk/printk.c:3268)
[  455.840672][ T8105]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  455.840675][ T8105]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  455.840677][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840678][ T8105]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  455.840680][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840681][ T8105]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  455.840682][ T8105]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  455.840684][ T8105]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  455.840685][ T8105]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  455.840688][ T8105]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  455.840689][ T8105]  vprintk_emit (kernel/printk/printk.c:2479)
[  455.840691][ T8105]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  455.840692][ T8105]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  455.840693][ T8105]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  455.840696][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840698][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840699][ T8105]  _printk (kernel/printk/printk.c:2504)
[  455.840702][ T8105]  ? snapshot_read.cold (user.c:?)
[  455.840704][ T8105]  ? br_multicast_flood (??:?)
[  455.840707][ T8105]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  455.840710][ T8105]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  455.840711][ T8105]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  455.840713][ T8105]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  455.840716][ T8105]  br_init_port (net/bridge/br_stp_if.c:39)
[  455.840718][ T8105]  new_nbp (net/bridge/br_if.c:449)
[  455.840720][ T8105]  br_add_if (net/bridge/br_if.c:592)
[  455.840721][ T8105]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  455.840726][ T8105]  do_set_master (net/core/rtnetlink.c:3071)
[  455.840727][ T8105]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  455.840729][ T8105]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  455.840731][ T8105]  ? __dev_get_by_name (net/core/dev.c:905)
[  455.840732][ T8105]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  455.840736][ T8105]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  455.840739][ T8105]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  455.840741][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840742][ T8105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.840743][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840745][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840746][ T8105]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  455.840749][ T8105]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  455.840751][ T8105]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  455.840753][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840754][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840756][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840757][ T8105]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  455.840758][ T8105]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  455.840760][ T8105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  455.840761][ T8105]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  455.840763][ T8105]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  455.840767][ T8105]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  455.840770][ T8105]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  455.840771][ T8105]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  455.840773][ T8105]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  455.840775][ T8105]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  455.840777][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840779][ T8105]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  455.840781][ T8105]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  455.840783][ T8105]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  455.840785][ T8105]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  455.840788][ T8105]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  455.840791][ T8105]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  455.840793][ T8105]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  455.840795][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840796][ T8105]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  455.840800][ T8105]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  455.840803][ T8105]  ____sys_sendmsg (net/socket.c:2713)
[  455.840804][ T8105]  ? copy_msghdr_from_user (net/socket.c:2650)
[  455.840806][ T8105]  ? sock_write_iter (net/socket.c:1269)
[  455.840807][ T8105]  ? move_addr_to_kernel (net/socket.c:258)
[  455.840810][ T8105]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  455.840812][ T8105]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  455.840814][ T8105]  ___sys_sendmsg (net/socket.c:2767)
[  455.840815][ T8105]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  455.840817][ T8105]  ? copy_msghdr_from_user (net/socket.c:2619)
[  455.840819][ T8105]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  455.840823][ T8105]  __sys_sendmsg (net/socket.c:2799)
[  455.840825][ T8105]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  455.840828][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840829][ T8105]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  455.840830][ T8105]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  455.840833][ T8105]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  455.840835][ T8105]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  455.840837][ T8105] RIP: 0033:0x7f071341454e
[  455.840839][ T8105] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  455.840841][ T8105] RSP: 002b:00007ffffa557a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  455.840844][ T8105] RAX: ffffffffffffffda RBX: 00007ffffa5581f8 RCX: 00007f071341454e
[  455.840846][ T8105] RDX: 0000000000000000 RSI: 00007ffffa557ae0 RDI: 0000000000000005
[  455.840847][ T8105] RBP: 00007ffffa557a40 R08: 0000000000000000 R09: 0000000000000000
[  455.840848][ T8105] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91118d
[  455.840848][ T8105] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffa5581b0
| [  463.315581][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  463.315584][   T12] Preemption disabled at:
| [  463.315585][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  463.315595][   T12] Tainted: [W]=WARN
[  463.315596][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  463.315598][   T12] Workqueue: netns cleanup_net
[  463.315604][   T12] Call Trace:
[  463.315605][   T12]  <TASK>
[  463.315607][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  463.315613][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  463.315614][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  463.315618][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  463.315620][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  463.315623][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315626][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  463.315628][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  463.315631][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.315636][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  463.315638][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  463.315640][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  463.315642][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  463.315644][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  463.315646][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  463.315651][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  463.315653][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  463.315655][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  463.315657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315658][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315660][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  463.315663][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  463.315665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315667][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315668][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.315670][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  463.315672][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  463.315674][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  463.315677][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  463.315679][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.315680][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  463.315682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315683][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  463.315684][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  463.315686][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  463.315687][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  463.315689][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  463.315691][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  463.315692][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  463.315694][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  463.315695][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  463.315698][   T12]  ? kthread (kernel/kthread.c:436)
[  463.315700][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  463.315703][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  463.315705][   T12]  _printk (kernel/printk/printk.c:2504)
[  463.315708][   T12]  ? snapshot_read.cold (user.c:?)
[  463.315710][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  463.315714][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  463.315716][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  463.315718][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  463.315720][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315722][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  463.315723][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  463.315726][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  463.315727][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  463.315728][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  463.315731][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  463.315734][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  463.315737][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  463.315740][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  463.315742][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  463.315744][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  463.315746][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  463.315749][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  463.315751][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  463.315753][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  463.315754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  463.315756][   T12]  process_one_work (kernel/workqueue.c:3387)
[  463.315759][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  463.315762][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  463.315764][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  463.315767][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  463.315769][   T12]  kthread (kernel/kthread.c:436)
[  463.315770][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  463.315772][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  463.315774][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  463.315776][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  463.315778][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  463.315781][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  463.315783][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  464.497824][ T8402] softirqs last disabled at (0): 0x0
| [  464.497826][ T8402] Preemption disabled at:
| [  464.497827][ T8402] vprintk_emit (kernel/printk/printk.c:2471)
| [  464.497838][ T8402] Tainted: [W]=WARN
[  464.497839][ T8402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  464.497840][ T8402] Call Trace:
[  464.497842][ T8402]  <TASK>
[  464.497843][ T8402]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  464.497848][ T8402]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  464.497850][ T8402]  __might_resched.cold (kernel/sched/core.c:9234)
[  464.497854][ T8402]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  464.497856][ T8402]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  464.497859][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497862][ T8402]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  464.497865][ T8402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  464.497868][ T8402]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  464.497873][ T8402]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  464.497875][ T8402]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  464.497878][ T8402]  put_chars (drivers/char/virtio_console.c:1176)
[  464.497879][ T8402]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  464.497881][ T8402]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  464.497884][ T8402]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  464.497888][ T8402]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  464.497890][ T8402]  ? vsnprintf (lib/vsprintf.c:2900)
[  464.497893][ T8402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  464.497895][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497896][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497898][ T8402]  console_emit_next_record (kernel/printk/printk.c:3183)
[  464.497900][ T8402]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  464.497903][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497904][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497905][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497906][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.497908][ T8402]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  464.497910][ T8402]  console_flush_one_record (kernel/printk/printk.c:3268)
[  464.497912][ T8402]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  464.497915][ T8402]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  464.497917][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.497919][ T8402]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  464.497920][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497921][ T8402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  464.497923][ T8402]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  464.497924][ T8402]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  464.497926][ T8402]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  464.497928][ T8402]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  464.497929][ T8402]  vprintk_emit (kernel/printk/printk.c:2479)
[  464.497931][ T8402]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  464.497932][ T8402]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  464.497934][ T8402]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  464.497937][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.497939][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497940][ T8402]  _printk (kernel/printk/printk.c:2504)
[  464.497943][ T8402]  ? snapshot_read.cold (user.c:?)
[  464.497945][ T8402]  ? br_multicast_flood (??:?)
[  464.497949][ T8402]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  464.497951][ T8402]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  464.497952][ T8402]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  464.497954][ T8402]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  464.497957][ T8402]  br_init_port (net/bridge/br_stp_if.c:39)
[  464.497959][ T8402]  new_nbp (net/bridge/br_if.c:449)
[  464.497961][ T8402]  br_add_if (net/bridge/br_if.c:592)
[  464.497963][ T8402]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  464.497967][ T8402]  do_set_master (net/core/rtnetlink.c:3071)
[  464.497969][ T8402]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  464.497971][ T8402]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  464.497972][ T8402]  ? __dev_get_by_name (net/core/dev.c:905)
[  464.497974][ T8402]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  464.497978][ T8402]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  464.497980][ T8402]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  464.497982][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497983][ T8402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  464.497985][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.497986][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497988][ T8402]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  464.497990][ T8402]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  464.497992][ T8402]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  464.497994][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497995][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.497997][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.497998][ T8402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  464.498000][ T8402]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  464.498001][ T8402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  464.498003][ T8402]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  464.498004][ T8402]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  464.498008][ T8402]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  464.498011][ T8402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  464.498012][ T8402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  464.498014][ T8402]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  464.498015][ T8402]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  464.498018][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.498020][ T8402]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  464.498022][ T8402]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  464.498024][ T8402]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  464.498026][ T8402]  ? next_uptodate_folio (mm/filemap.c:3747)
[  464.498029][ T8402]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  464.498031][ T8402]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  464.498033][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.498034][ T8402]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  464.498038][ T8402]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  464.498041][ T8402]  ____sys_sendmsg (net/socket.c:2713)
[  464.498043][ T8402]  ? copy_msghdr_from_user (net/socket.c:2650)
[  464.498044][ T8402]  ? sock_write_iter (net/socket.c:1269)
[  464.498046][ T8402]  ? move_addr_to_kernel (net/socket.c:258)
[  464.498048][ T8402]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  464.498051][ T8402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  464.498052][ T8402]  ___sys_sendmsg (net/socket.c:2767)
[  464.498054][ T8402]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  464.498056][ T8402]  ? copy_msghdr_from_user (net/socket.c:2619)
[  464.498057][ T8402]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  464.498062][ T8402]  __sys_sendmsg (net/socket.c:2799)
[  464.498064][ T8402]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  464.498067][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.498068][ T8402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  464.498069][ T8402]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  464.498073][ T8402]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  464.498075][ T8402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  464.498077][ T8402] RIP: 0033:0x7fa279e5254e
[  464.498079][ T8402] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  464.498080][ T8402] RSP: 002b:00007fff2e59bdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  464.498084][ T8402] RAX: ffffffffffffffda RBX: 00007fff2e59c598 RCX: 00007fa279e5254e
[  464.498086][ T8402] RDX: 0000000000000000 RSI: 00007fff2e59be80 RDI: 0000000000000005
[  464.498086][ T8402] RBP: 00007fff2e59bde0 R08: 0000000000000000 R09: 0000000000000000
[  464.498087][ T8402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911195
[  464.498088][ T8402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2e59c550
| [  465.814601][ T8472] softirqs last disabled at (0): 0x0
| [  465.814603][ T8472] Preemption disabled at:
| [  465.814604][ T8472] vprintk_emit (kernel/printk/printk.c:2471)
| [  465.814614][ T8472] Tainted: [W]=WARN
[  465.814615][ T8472] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  465.814617][ T8472] Call Trace:
[  465.814619][ T8472]  <TASK>
[  465.814620][ T8472]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  465.814625][ T8472]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  465.814627][ T8472]  __might_resched.cold (kernel/sched/core.c:9234)
[  465.814630][ T8472]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  465.814634][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814636][ T8472]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  465.814639][ T8472]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  465.814642][ T8472]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  465.814646][ T8472]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  465.814648][ T8472]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  465.814651][ T8472]  put_chars (drivers/char/virtio_console.c:1176)
[  465.814652][ T8472]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  465.814653][ T8472]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  465.814656][ T8472]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  465.814658][ T8472]  ? pointer (lib/vsprintf.c:2577)
[  465.814661][ T8472]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  465.814666][ T8472]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  465.814668][ T8472]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  465.814670][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814672][ T8472]  console_emit_next_record (kernel/printk/printk.c:3183)
[  465.814675][ T8472]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  465.814677][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814678][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814679][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814680][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814682][ T8472]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  465.814684][ T8472]  console_flush_one_record (kernel/printk/printk.c:3268)
[  465.814687][ T8472]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  465.814689][ T8472]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  465.814692][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814693][ T8472]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  465.814695][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814696][ T8472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  465.814698][ T8472]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  465.814699][ T8472]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  465.814701][ T8472]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  465.814703][ T8472]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  465.814704][ T8472]  vprintk_emit (kernel/printk/printk.c:2479)
[  465.814706][ T8472]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  465.814707][ T8472]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  465.814709][ T8472]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  465.814712][ T8472]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  465.814715][ T8472]  _printk (kernel/printk/printk.c:2504)
[  465.814718][ T8472]  ? snapshot_read.cold (user.c:?)
[  465.814720][ T8472]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  465.814722][ T8472]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  465.814725][ T8472]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  465.814727][ T8472]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  465.814730][ T8472]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  465.814733][ T8472]  ? netdev_notice (net/core/dev.c:13194)
[  465.814735][ T8472]  ? 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)
[  465.814736][ T8472]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  465.814739][ T8472]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  465.814741][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814742][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814743][ T8472]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  465.814744][ T8472]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  465.814746][ T8472]  ? 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)
[  465.814747][ T8472]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  465.814748][ T8472]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  465.814750][ T8472]  ? register_netdev (net/core/dev.c:11618)
[  465.814751][ T8472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  465.814753][ T8472]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  465.814756][ T8472]  ? __kernel_text_address (kernel/extable.c:79)
[  465.814758][ T8472]  ? write_profile (profile.c:?)
[  465.814761][ T8472]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  465.814765][ T8472]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  465.814767][ T8472]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  465.814768][ T8472]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  465.814770][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814771][ T8472]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  465.814774][ T8472]  ? kasan_save_stack (mm/kasan/common.c:58)
[  465.814776][ T8472]  ? kasan_save_stack (mm/kasan/common.c:57)
[  465.814777][ T8472]  ? kasan_save_track (mm/kasan/common.c:78)
[  465.814778][ T8472]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  465.814779][ T8472]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  465.814780][ T8472]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  465.814781][ T8472]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  465.814783][ T8472]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  465.814786][ T8472]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  465.814787][ T8472]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  465.814789][ T8472]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  465.814791][ T8472]  ? ____sys_sendmsg (net/socket.c:2713)
[  465.814793][ T8472]  ? ___sys_sendmsg (net/socket.c:2767)
[  465.814794][ T8472]  ? __sys_sendmsg (net/socket.c:2799)
[  465.814796][ T8472]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  465.814798][ T8472]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  465.814801][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814802][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814804][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814805][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814806][ T8472]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  465.814807][ T8472]  ? __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)
[  465.814808][ T8472]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  465.814810][ T8472]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  465.814811][ T8472]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  465.814812][ T8472]  ? nla_get_range_signed (lib/nlattr.c:270)
[  465.814815][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814817][ T8472]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  465.814819][ T8472]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  465.814821][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814822][ T8472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  465.814823][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814825][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814826][ T8472]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  465.814829][ T8472]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  465.814830][ T8472]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  465.814831][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814833][ T8472]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  465.814836][ T8472]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  465.814838][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814839][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814841][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814842][ T8472]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  465.814843][ T8472]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  465.814845][ T8472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  465.814846][ T8472]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  465.814848][ T8472]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  465.814850][ T8472]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  465.814852][ T8472]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  465.814853][ T8472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  465.814855][ T8472]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  465.814857][ T8472]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  465.814860][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814861][ T8472]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  465.814863][ T8472]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  465.814865][ T8472]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  465.814867][ T8472]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  465.814869][ T8472]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  465.814871][ T8472]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  465.814873][ T8472]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  465.814875][ T8472]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  465.814876][ T8472]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  465.814879][ T8472]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  465.814881][ T8472]  ____sys_sendmsg (net/socket.c:2713)
[  465.814883][ T8472]  ? copy_msghdr_from_user (net/socket.c:2650)
[  465.814884][ T8472]  ? sock_write_iter (net/socket.c:1269)
[  465.814886][ T8472]  ? move_addr_to_kernel (net/socket.c:258)
[  465.814887][ T8472]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  465.814890][ T8472]  ___sys_sendmsg (net/socket.c:2767)
[  465.814892][ T8472]  ? copy_msghdr_from_user (net/socket.c:2619)
[  465.814897][ T8472]  __sys_sendmsg (net/socket.c:2799)
[  465.814899][ T8472]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  465.814901][ T8472]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  465.814903][ T8472]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  465.814905][ T8472]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  465.814907][ T8472]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  465.814908][ T8472] RIP: 0033:0x7ff97abc054e
[  465.814910][ T8472] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  465.814912][ T8472] RSP: 002b:00007ffe5c21c540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  465.814916][ T8472] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff97abc054e
[  465.814917][ T8472] RDX: 0000000000000000 RSI: 00007ffe5c21c5f0 RDI: 0000000000000005
[  465.814918][ T8472] RBP: 00007ffe5c21c550 R08: 0000000000000000 R09: 0000000000000000
[  465.814919][ T8472] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911197
[  465.814920][ T8472] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5c21ccb0
| [  466.876057][ T8522] softirqs last disabled at (0): 0x0
| [  466.876059][ T8522] Preemption disabled at:
| [  466.876059][ T8522] vprintk_emit (kernel/printk/printk.c:2471)
| [  466.876069][ T8522] Tainted: [W]=WARN
[  466.876070][ T8522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  466.876072][ T8522] Call Trace:
[  466.876073][ T8522]  <TASK>
[  466.876074][ T8522]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  466.876080][ T8522]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  466.876082][ T8522]  __might_resched.cold (kernel/sched/core.c:9234)
[  466.876085][ T8522]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  466.876087][ T8522]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  466.876091][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876093][ T8522]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  466.876096][ T8522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.876099][ T8522]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.876104][ T8522]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  466.876106][ T8522]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  466.876108][ T8522]  put_chars (drivers/char/virtio_console.c:1176)
[  466.876110][ T8522]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  466.876112][ T8522]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  466.876114][ T8522]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  466.876119][ T8522]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  466.876121][ T8522]  ? vsnprintf (lib/vsprintf.c:2900)
[  466.876124][ T8522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.876126][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876127][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876129][ T8522]  console_emit_next_record (kernel/printk/printk.c:3183)
[  466.876131][ T8522]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  466.876133][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876134][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876136][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876137][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876139][ T8522]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  466.876141][ T8522]  console_flush_one_record (kernel/printk/printk.c:3268)
[  466.876143][ T8522]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  466.876146][ T8522]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  466.876148][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876150][ T8522]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  466.876151][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876152][ T8522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  466.876154][ T8522]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  466.876155][ T8522]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  466.876157][ T8522]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  466.876159][ T8522]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  466.876160][ T8522]  vprintk_emit (kernel/printk/printk.c:2479)
[  466.876162][ T8522]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  466.876163][ T8522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  466.876165][ T8522]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  466.876168][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876169][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876171][ T8522]  _printk (kernel/printk/printk.c:2504)
[  466.876174][ T8522]  ? snapshot_read.cold (user.c:?)
[  466.876176][ T8522]  ? br_multicast_flood (??:?)
[  466.876179][ T8522]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  466.876182][ T8522]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  466.876183][ T8522]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.876185][ T8522]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  466.876188][ T8522]  br_init_port (net/bridge/br_stp_if.c:39)
[  466.876190][ T8522]  new_nbp (net/bridge/br_if.c:449)
[  466.876192][ T8522]  br_add_if (net/bridge/br_if.c:592)
[  466.876194][ T8522]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  466.876198][ T8522]  do_set_master (net/core/rtnetlink.c:3071)
[  466.876200][ T8522]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  466.876202][ T8522]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  466.876203][ T8522]  ? __dev_get_by_name (net/core/dev.c:905)
[  466.876205][ T8522]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  466.876209][ T8522]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  466.876211][ T8522]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  466.876213][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876215][ T8522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.876216][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876217][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876219][ T8522]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  466.876221][ T8522]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  466.876223][ T8522]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  466.876225][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876226][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876228][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876229][ T8522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  466.876231][ T8522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  466.876232][ T8522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.876234][ T8522]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  466.876235][ T8522]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  466.876239][ T8522]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  466.876242][ T8522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  466.876243][ T8522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  466.876245][ T8522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  466.876246][ T8522]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  466.876250][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876251][ T8522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  466.876253][ T8522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  466.876255][ T8522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  466.876257][ T8522]  ? next_uptodate_folio (mm/filemap.c:3747)
[  466.876260][ T8522]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  466.876262][ T8522]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  466.876264][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876266][ T8522]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  466.876269][ T8522]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  466.876272][ T8522]  ____sys_sendmsg (net/socket.c:2713)
[  466.876274][ T8522]  ? copy_msghdr_from_user (net/socket.c:2650)
[  466.876275][ T8522]  ? sock_write_iter (net/socket.c:1269)
[  466.876277][ T8522]  ? move_addr_to_kernel (net/socket.c:258)
[  466.876279][ T8522]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  466.876281][ T8522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  466.876283][ T8522]  ___sys_sendmsg (net/socket.c:2767)
[  466.876285][ T8522]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  466.876287][ T8522]  ? copy_msghdr_from_user (net/socket.c:2619)
[  466.876288][ T8522]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  466.876293][ T8522]  __sys_sendmsg (net/socket.c:2799)
[  466.876295][ T8522]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  466.876297][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876299][ T8522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  466.876300][ T8522]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  466.876303][ T8522]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  466.876305][ T8522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  466.876307][ T8522] RIP: 0033:0x7f7a6676a54e
[  466.876308][ T8522] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  466.876310][ T8522] RSP: 002b:00007ffd8a544b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  466.876314][ T8522] RAX: ffffffffffffffda RBX: 00007ffd8a545358 RCX: 00007f7a6676a54e
[  466.876315][ T8522] RDX: 0000000000000000 RSI: 00007ffd8a544c40 RDI: 0000000000000005
[  466.876316][ T8522] RBP: 00007ffd8a544ba0 R08: 0000000000000000 R09: 0000000000000000
[  466.876317][ T8522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911198
[  466.876318][ T8522] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8a545310
| [  472.497098][ T8555] softirqs last disabled at (0): 0x0
| [  472.497100][ T8555] Preemption disabled at:
| [  472.497101][ T8555] vprintk_emit (kernel/printk/printk.c:2471)
| [  472.497113][ T8555] Tainted: [W]=WARN
[  472.497115][ T8555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  472.497117][ T8555] Call Trace:
[  472.497119][ T8555]  <TASK>
[  472.497120][ T8555]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  472.497127][ T8555]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  472.497129][ T8555]  __might_resched.cold (kernel/sched/core.c:9234)
[  472.497134][ T8555]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  472.497138][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497141][ T8555]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  472.497145][ T8555]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.497149][ T8555]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.497155][ T8555]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  472.497157][ T8555]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  472.497161][ T8555]  put_chars (drivers/char/virtio_console.c:1176)
[  472.497163][ T8555]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  472.497166][ T8555]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  472.497169][ T8555]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  472.497173][ T8555]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  472.497179][ T8555]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  472.497181][ T8555]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  472.497184][ T8555]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.497186][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497188][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497190][ T8555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.497194][ T8555]  console_emit_next_record (kernel/printk/printk.c:3183)
[  472.497198][ T8555]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  472.497202][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497204][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497205][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497207][ T8555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.497210][ T8555]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  472.497213][ T8555]  console_flush_one_record (kernel/printk/printk.c:3268)
[  472.497217][ T8555]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  472.497221][ T8555]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  472.497224][ T8555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  472.497226][ T8555]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  472.497229][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497231][ T8555]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.497233][ T8555]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  472.497236][ T8555]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  472.497238][ T8555]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  472.497241][ T8555]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  472.497243][ T8555]  vprintk_emit (kernel/printk/printk.c:2479)
[  472.497246][ T8555]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  472.497250][ T8555]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  472.497254][ T8555]  _printk (kernel/printk/printk.c:2504)
[  472.497258][ T8555]  ? snapshot_read.cold (user.c:?)
[  472.497262][ T8555]  ? 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)
[  472.497265][ T8555] gact_init_module (net/sched/act_gact.c:180) act_gact
[  472.497269][ T8555]  do_one_initcall (init/main.c:1357)
[  472.497271][ T8555]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  472.497275][ T8555]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  472.497278][ T8555]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  472.497283][ T8555]  do_init_module (kernel/module/main.c:3117)
[  472.497286][ T8555]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  472.497289][ T8555]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  472.497292][ T8555]  load_module (kernel/module/main.c:3593)
[  472.497296][ T8555]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  472.497301][ T8555]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  472.497304][ T8555]  ? __ia32_sys_fsconfig (??:?)
[  472.497308][ T8555]  ? backing_file_read_iter (fs/backing-file.c:211)
[  472.497313][ T8555]  init_module_from_file (kernel/module/main.c:3790)
[  472.497315][ T8555]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  472.497318][ T8555]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  472.497323][ T8555]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  472.497326][ T8555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  472.497328][ T8555]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  472.497330][ T8555]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  472.497333][ T8555]  idempotent_init_module (kernel/module/main.c:3802)
[  472.497336][ T8555]  ? init_module_from_file (kernel/module/main.c:3791)
[  472.497340][ T8555]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  472.497342][ T8555]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  472.497346][ T8555]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  472.497348][ T8555]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  472.497352][ T8555]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  472.497357][ T8555]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  472.497359][ T8555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  472.497362][ T8555] RIP: 0033:0x7f964928737d
[  472.497365][ T8555] 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
[  472.497368][ T8555] RSP: 002b:00007fff2e0c5568 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  472.497372][ T8555] RAX: ffffffffffffffda RBX: 00005611cae5a810 RCX: 00007f964928737d
[  472.497374][ T8555] RDX: 0000000000000000 RSI: 0000561196a60ffd RDI: 0000000000000000
[  472.497375][ T8555] RBP: 00007fff2e0c5600 R08: 0000000000000000 R09: 0000000000000000
[  472.497376][ T8555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561196a60ffd
[  472.497378][ T8555] R13: 00005611cae5a960 R14: 0000000000040000 R15: 0000000000000000
| [  474.811179][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  474.811181][   T12] Preemption disabled at:
| [  474.811182][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  474.811192][   T12] Tainted: [W]=WARN
[  474.811193][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  474.811194][   T12] Workqueue: netns cleanup_net
[  474.811200][   T12] Call Trace:
[  474.811202][   T12]  <TASK>
[  474.811203][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  474.811209][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  474.811210][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  474.811214][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  474.811216][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  474.811219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811222][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  474.811225][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.811228][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.811233][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  474.811234][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  474.811237][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  474.811239][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  474.811240][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  474.811243][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  474.811248][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  474.811249][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  474.811252][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.811254][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811256][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  474.811259][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  474.811261][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811262][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811263][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811264][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.811267][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  474.811269][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  474.811271][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  474.811274][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  474.811276][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.811277][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  474.811279][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811280][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  474.811282][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  474.811283][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  474.811285][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  474.811287][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  474.811288][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  474.811290][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  474.811291][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  474.811293][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  474.811295][   T12]  ? kthread (kernel/kthread.c:436)
[  474.811297][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  474.811300][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  474.811303][   T12]  _printk (kernel/printk/printk.c:2504)
[  474.811306][   T12]  ? snapshot_read.cold (user.c:?)
[  474.811308][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  474.811311][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  474.811314][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  474.811316][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  474.811318][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811319][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  474.811320][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  474.811324][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  474.811325][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  474.811326][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  474.811328][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  474.811331][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  474.811335][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  474.811337][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  474.811340][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  474.811342][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  474.811344][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  474.811347][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  474.811349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  474.811351][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  474.811352][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  474.811354][   T12]  process_one_work (kernel/workqueue.c:3387)
[  474.811357][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  474.811359][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  474.811362][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  474.811365][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  474.811366][   T12]  kthread (kernel/kthread.c:436)
[  474.811368][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  474.811370][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  474.811372][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  474.811374][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  474.811376][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  474.811379][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  474.811381][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  475.992842][ T8744] softirqs last disabled at (0): 0x0
| [  475.992844][ T8744] Preemption disabled at:
| [  475.992845][ T8744] vprintk_emit (kernel/printk/printk.c:2471)
| [  475.992854][ T8744] Tainted: [W]=WARN
[  475.992855][ T8744] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  475.992857][ T8744] Call Trace:
[  475.992859][ T8744]  <TASK>
[  475.992860][ T8744]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  475.992865][ T8744]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  475.992867][ T8744]  __might_resched.cold (kernel/sched/core.c:9234)
[  475.992871][ T8744]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  475.992873][ T8744]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  475.992876][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992879][ T8744]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  475.992881][ T8744]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  475.992884][ T8744]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.992890][ T8744]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  475.992891][ T8744]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  475.992894][ T8744]  put_chars (drivers/char/virtio_console.c:1176)
[  475.992896][ T8744]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  475.992898][ T8744]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  475.992900][ T8744]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  475.992905][ T8744]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  475.992906][ T8744]  ? vsnprintf (lib/vsprintf.c:2900)
[  475.992910][ T8744]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  475.992911][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992912][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992914][ T8744]  console_emit_next_record (kernel/printk/printk.c:3183)
[  475.992917][ T8744]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  475.992919][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992920][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992921][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992922][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.992924][ T8744]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  475.992926][ T8744]  console_flush_one_record (kernel/printk/printk.c:3268)
[  475.992928][ T8744]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  475.992931][ T8744]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  475.992933][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.992934][ T8744]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  475.992936][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992937][ T8744]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  475.992939][ T8744]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  475.992940][ T8744]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  475.992942][ T8744]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  475.992944][ T8744]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  475.992945][ T8744]  vprintk_emit (kernel/printk/printk.c:2479)
[  475.992947][ T8744]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  475.992948][ T8744]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  475.992949][ T8744]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  475.992952][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.992954][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992955][ T8744]  _printk (kernel/printk/printk.c:2504)
[  475.992958][ T8744]  ? snapshot_read.cold (user.c:?)
[  475.992960][ T8744]  ? br_multicast_flood (??:?)
[  475.992963][ T8744]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  475.992966][ T8744]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  475.992967][ T8744]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.992969][ T8744]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  475.992972][ T8744]  br_init_port (net/bridge/br_stp_if.c:39)
[  475.992973][ T8744]  new_nbp (net/bridge/br_if.c:449)
[  475.992976][ T8744]  br_add_if (net/bridge/br_if.c:592)
[  475.992977][ T8744]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  475.992982][ T8744]  do_set_master (net/core/rtnetlink.c:3071)
[  475.992984][ T8744]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  475.992985][ T8744]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  475.992986][ T8744]  ? __dev_get_by_name (net/core/dev.c:905)
[  475.992988][ T8744]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  475.992992][ T8744]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  475.992995][ T8744]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  475.992997][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.992998][ T8744]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.992999][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.993001][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.993002][ T8744]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  475.993005][ T8744]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  475.993007][ T8744]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  475.993009][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.993011][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.993012][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.993013][ T8744]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  475.993014][ T8744]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  475.993016][ T8744]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.993018][ T8744]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  475.993019][ T8744]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  475.993023][ T8744]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  475.993026][ T8744]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  475.993027][ T8744]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  475.993029][ T8744]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  475.993030][ T8744]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  475.993033][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.993035][ T8744]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  475.993037][ T8744]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  475.993039][ T8744]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  475.993041][ T8744]  ? next_uptodate_folio (mm/filemap.c:3747)
[  475.993044][ T8744]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  475.993046][ T8744]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  475.993048][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.993049][ T8744]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  475.993053][ T8744]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  475.993056][ T8744]  ____sys_sendmsg (net/socket.c:2713)
[  475.993057][ T8744]  ? copy_msghdr_from_user (net/socket.c:2650)
[  475.993059][ T8744]  ? sock_write_iter (net/socket.c:1269)
[  475.993060][ T8744]  ? move_addr_to_kernel (net/socket.c:258)
[  475.993062][ T8744]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  475.993065][ T8744]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  475.993067][ T8744]  ___sys_sendmsg (net/socket.c:2767)
[  475.993068][ T8744]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  475.993070][ T8744]  ? copy_msghdr_from_user (net/socket.c:2619)
[  475.993072][ T8744]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  475.993076][ T8744]  __sys_sendmsg (net/socket.c:2799)
[  475.993079][ T8744]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  475.993081][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.993082][ T8744]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  475.993084][ T8744]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  475.993086][ T8744]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  475.993088][ T8744]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  475.993091][ T8744] RIP: 0033:0x7f0c4e3bc54e
[  475.993093][ T8744] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  475.993094][ T8744] RSP: 002b:00007ffdda0ba200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  475.993098][ T8744] RAX: ffffffffffffffda RBX: 00007ffdda0ba9c8 RCX: 00007f0c4e3bc54e
[  475.993099][ T8744] RDX: 0000000000000000 RSI: 00007ffdda0ba2b0 RDI: 0000000000000005
[  475.993100][ T8744] RBP: 00007ffdda0ba210 R08: 0000000000000000 R09: 0000000000000000
[  475.993101][ T8744] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a1
[  475.993102][ T8744] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdda0ba980
| [  477.312910][ T8813] softirqs last disabled at (0): 0x0
| [  477.312912][ T8813] Preemption disabled at:
| [  477.312913][ T8813] vprintk_emit (kernel/printk/printk.c:2471)
| [  477.312923][ T8813] Tainted: [W]=WARN
[  477.312924][ T8813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  477.312925][ T8813] Call Trace:
[  477.312927][ T8813]  <TASK>
[  477.312928][ T8813]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  477.312934][ T8813]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  477.312935][ T8813]  __might_resched.cold (kernel/sched/core.c:9234)
[  477.312939][ T8813]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  477.312942][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.312945][ T8813]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  477.312948][ T8813]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  477.312951][ T8813]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  477.312956][ T8813]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  477.312958][ T8813]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  477.312961][ T8813]  put_chars (drivers/char/virtio_console.c:1176)
[  477.312962][ T8813]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  477.312964][ T8813]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  477.312966][ T8813]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  477.312968][ T8813]  ? pointer (lib/vsprintf.c:2577)
[  477.312971][ T8813]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  477.312976][ T8813]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  477.312977][ T8813]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  477.312979][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.312982][ T8813]  console_emit_next_record (kernel/printk/printk.c:3183)
[  477.312984][ T8813]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  477.312986][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.312987][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.312988][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.312990][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.312991][ T8813]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  477.312993][ T8813]  console_flush_one_record (kernel/printk/printk.c:3268)
[  477.312996][ T8813]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  477.312998][ T8813]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  477.313000][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.313002][ T8813]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  477.313003][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313004][ T8813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  477.313006][ T8813]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  477.313007][ T8813]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  477.313009][ T8813]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  477.313011][ T8813]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  477.313013][ T8813]  vprintk_emit (kernel/printk/printk.c:2479)
[  477.313014][ T8813]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  477.313015][ T8813]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  477.313018][ T8813]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  477.313021][ T8813]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  477.313023][ T8813]  _printk (kernel/printk/printk.c:2504)
[  477.313026][ T8813]  ? snapshot_read.cold (user.c:?)
[  477.313028][ T8813]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  477.313030][ T8813]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  477.313034][ T8813]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  477.313035][ T8813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  477.313039][ T8813]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  477.313041][ T8813]  ? netdev_notice (net/core/dev.c:13194)
[  477.313043][ T8813]  ? 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)
[  477.313045][ T8813]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  477.313047][ T8813]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  477.313049][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313050][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313051][ T8813]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  477.313053][ T8813]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  477.313054][ T8813]  ? 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)
[  477.313056][ T8813]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  477.313057][ T8813]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  477.313059][ T8813]  ? register_netdev (net/core/dev.c:11618)
[  477.313060][ T8813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  477.313062][ T8813]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  477.313065][ T8813]  ? __kernel_text_address (kernel/extable.c:79)
[  477.313067][ T8813]  ? write_profile (profile.c:?)
[  477.313070][ T8813]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  477.313074][ T8813]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  477.313076][ T8813]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  477.313077][ T8813]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  477.313078][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313079][ T8813]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  477.313083][ T8813]  ? kasan_save_stack (mm/kasan/common.c:58)
[  477.313084][ T8813]  ? kasan_save_stack (mm/kasan/common.c:57)
[  477.313086][ T8813]  ? kasan_save_track (mm/kasan/common.c:78)
[  477.313087][ T8813]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  477.313088][ T8813]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  477.313089][ T8813]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  477.313090][ T8813]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  477.313091][ T8813]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  477.313094][ T8813]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  477.313096][ T8813]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  477.313097][ T8813]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  477.313100][ T8813]  ? ____sys_sendmsg (net/socket.c:2713)
[  477.313101][ T8813]  ? ___sys_sendmsg (net/socket.c:2767)
[  477.313103][ T8813]  ? __sys_sendmsg (net/socket.c:2799)
[  477.313104][ T8813]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  477.313106][ T8813]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  477.313109][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313110][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.313112][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313113][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313114][ T8813]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  477.313115][ T8813]  ? __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)
[  477.313116][ T8813]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  477.313117][ T8813]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  477.313119][ T8813]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  477.313120][ T8813]  ? nla_get_range_signed (lib/nlattr.c:270)
[  477.313123][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313125][ T8813]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  477.313127][ T8813]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  477.313129][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313130][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  477.313131][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.313133][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313134][ T8813]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  477.313136][ T8813]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  477.313138][ T8813]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  477.313139][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313140][ T8813]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  477.313143][ T8813]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  477.313145][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313147][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.313148][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313149][ T8813]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  477.313150][ T8813]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  477.313152][ T8813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  477.313153][ T8813]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  477.313155][ T8813]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  477.313157][ T8813]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  477.313159][ T8813]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  477.313160][ T8813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  477.313162][ T8813]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  477.313164][ T8813]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  477.313167][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313168][ T8813]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  477.313170][ T8813]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  477.313172][ T8813]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  477.313174][ T8813]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  477.313176][ T8813]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  477.313178][ T8813]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  477.313179][ T8813]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  477.313181][ T8813]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  477.313183][ T8813]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  477.313186][ T8813]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  477.313188][ T8813]  ____sys_sendmsg (net/socket.c:2713)
[  477.313189][ T8813]  ? copy_msghdr_from_user (net/socket.c:2650)
[  477.313191][ T8813]  ? sock_write_iter (net/socket.c:1269)
[  477.313192][ T8813]  ? move_addr_to_kernel (net/socket.c:258)
[  477.313194][ T8813]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  477.313196][ T8813]  ___sys_sendmsg (net/socket.c:2767)
[  477.313198][ T8813]  ? copy_msghdr_from_user (net/socket.c:2619)
[  477.313203][ T8813]  __sys_sendmsg (net/socket.c:2799)
[  477.313205][ T8813]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  477.313208][ T8813]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  477.313209][ T8813]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  477.313211][ T8813]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  477.313213][ T8813]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  477.313214][ T8813] RIP: 0033:0x7ff2177dd54e
[  477.313216][ T8813] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  477.313218][ T8813] RSP: 002b:00007fff027f1060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  477.313222][ T8813] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff2177dd54e
[  477.313223][ T8813] RDX: 0000000000000000 RSI: 00007fff027f1110 RDI: 0000000000000005
[  477.313224][ T8813] RBP: 00007fff027f1070 R08: 0000000000000000 R09: 0000000000000000
[  477.313225][ T8813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a2
[  477.313226][ T8813] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff027f17d0
| [  478.349013][ T8863] softirqs last disabled at (0): 0x0
| [  478.349015][ T8863] Preemption disabled at:
| [  478.349016][ T8863] vprintk_emit (kernel/printk/printk.c:2471)
| [  478.349026][ T8863] Tainted: [W]=WARN
[  478.349027][ T8863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  478.349028][ T8863] Call Trace:
[  478.349030][ T8863]  <TASK>
[  478.349032][ T8863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  478.349037][ T8863]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  478.349039][ T8863]  __might_resched.cold (kernel/sched/core.c:9234)
[  478.349042][ T8863]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  478.349045][ T8863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  478.349048][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349050][ T8863]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  478.349053][ T8863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  478.349056][ T8863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.349062][ T8863]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  478.349063][ T8863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.349066][ T8863]  put_chars (drivers/char/virtio_console.c:1176)
[  478.349068][ T8863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  478.349069][ T8863]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  478.349072][ T8863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  478.349076][ T8863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  478.349078][ T8863]  ? vsnprintf (lib/vsprintf.c:2900)
[  478.349081][ T8863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  478.349083][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349084][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349086][ T8863]  console_emit_next_record (kernel/printk/printk.c:3183)
[  478.349088][ T8863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  478.349090][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349091][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349092][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349093][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349096][ T8863]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  478.349098][ T8863]  console_flush_one_record (kernel/printk/printk.c:3268)
[  478.349100][ T8863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  478.349103][ T8863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  478.349105][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349106][ T8863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  478.349108][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349109][ T8863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  478.349110][ T8863]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  478.349112][ T8863]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  478.349114][ T8863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  478.349116][ T8863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  478.349117][ T8863]  vprintk_emit (kernel/printk/printk.c:2479)
[  478.349118][ T8863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  478.349120][ T8863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  478.349121][ T8863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  478.349124][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349126][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349127][ T8863]  _printk (kernel/printk/printk.c:2504)
[  478.349130][ T8863]  ? snapshot_read.cold (user.c:?)
[  478.349132][ T8863]  ? br_multicast_flood (??:?)
[  478.349135][ T8863]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  478.349138][ T8863]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  478.349139][ T8863]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  478.349141][ T8863]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  478.349143][ T8863]  br_init_port (net/bridge/br_stp_if.c:39)
[  478.349145][ T8863]  new_nbp (net/bridge/br_if.c:449)
[  478.349147][ T8863]  br_add_if (net/bridge/br_if.c:592)
[  478.349149][ T8863]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  478.349153][ T8863]  do_set_master (net/core/rtnetlink.c:3071)
[  478.349155][ T8863]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  478.349159][ T8863]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  478.349160][ T8863]  ? __dev_get_by_name (net/core/dev.c:905)
[  478.349161][ T8863]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  478.349165][ T8863]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  478.349168][ T8863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  478.349170][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349171][ T8863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.349172][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349174][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349175][ T8863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  478.349178][ T8863]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  478.349179][ T8863]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  478.349182][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349183][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349184][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349185][ T8863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  478.349187][ T8863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  478.349188][ T8863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  478.349190][ T8863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  478.349191][ T8863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  478.349195][ T8863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  478.349198][ T8863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  478.349200][ T8863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  478.349201][ T8863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  478.349203][ T8863]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  478.349206][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349207][ T8863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  478.349209][ T8863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  478.349211][ T8863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  478.349213][ T8863]  ? next_uptodate_folio (mm/filemap.c:3747)
[  478.349216][ T8863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  478.349218][ T8863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  478.349220][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349221][ T8863]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  478.349225][ T8863]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  478.349228][ T8863]  ____sys_sendmsg (net/socket.c:2713)
[  478.349229][ T8863]  ? copy_msghdr_from_user (net/socket.c:2650)
[  478.349231][ T8863]  ? sock_write_iter (net/socket.c:1269)
[  478.349233][ T8863]  ? move_addr_to_kernel (net/socket.c:258)
[  478.349235][ T8863]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  478.349237][ T8863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.349239][ T8863]  ___sys_sendmsg (net/socket.c:2767)
[  478.349241][ T8863]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  478.349242][ T8863]  ? copy_msghdr_from_user (net/socket.c:2619)
[  478.349244][ T8863]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  478.349249][ T8863]  __sys_sendmsg (net/socket.c:2799)
[  478.349251][ T8863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  478.349253][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349254][ T8863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.349256][ T8863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  478.349258][ T8863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  478.349260][ T8863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  478.349262][ T8863] RIP: 0033:0x7fa7527dd54e
[  478.349264][ T8863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  478.349266][ T8863] RSP: 002b:00007fffc0674b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  478.349270][ T8863] RAX: ffffffffffffffda RBX: 00007fffc0675348 RCX: 00007fa7527dd54e
[  478.349271][ T8863] RDX: 0000000000000000 RSI: 00007fffc0674c30 RDI: 0000000000000005
[  478.349272][ T8863] RBP: 00007fffc0674b90 R08: 0000000000000000 R09: 0000000000000000
[  478.349273][ T8863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111a3
[  478.349274][ T8863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc0675300
| [  486.102447][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  486.102449][   T12] Preemption disabled at:
| [  486.102450][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  486.102461][   T12] Tainted: [W]=WARN
[  486.102462][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  486.102464][   T12] Workqueue: netns cleanup_net
[  486.102469][   T12] Call Trace:
[  486.102471][   T12]  <TASK>
[  486.102472][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  486.102478][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  486.102479][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  486.102482][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  486.102485][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  486.102488][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102491][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  486.102494][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.102500][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.102505][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  486.102507][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  486.102510][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  486.102516][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  486.102518][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  486.102520][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  486.102525][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  486.102527][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  486.102529][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.102531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102532][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102534][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  486.102537][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  486.102539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102540][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102542][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.102545][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  486.102547][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  486.102549][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  486.102552][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  486.102554][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.102555][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  486.102557][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102558][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  486.102560][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  486.102561][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  486.102563][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  486.102565][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  486.102566][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  486.102568][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  486.102569][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  486.102571][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  486.102574][   T12]  ? kthread (kernel/kthread.c:436)
[  486.102576][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  486.102578][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  486.102581][   T12]  _printk (kernel/printk/printk.c:2504)
[  486.102584][   T12]  ? snapshot_read.cold (user.c:?)
[  486.102586][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  486.102590][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  486.102592][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  486.102594][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  486.102596][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102597][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  486.102599][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  486.102602][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  486.102603][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  486.102605][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  486.102607][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  486.102610][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  486.102614][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  486.102616][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  486.102619][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  486.102621][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  486.102623][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  486.102626][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  486.102627][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  486.102630][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  486.102631][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  486.102633][   T12]  process_one_work (kernel/workqueue.c:3387)
[  486.102636][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  486.102638][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  486.102641][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  486.102644][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  486.102646][   T12]  kthread (kernel/kthread.c:436)
[  486.102647][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  486.102649][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  486.102651][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  486.102652][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  486.102654][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  486.102658][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  486.102659][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  487.266159][ T9082] softirqs last disabled at (0): 0x0
| [  487.266161][ T9082] Preemption disabled at:
| [  487.266162][ T9082] vprintk_emit (kernel/printk/printk.c:2471)
| [  487.266172][ T9082] Tainted: [W]=WARN
[  487.266173][ T9082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  487.266175][ T9082] Call Trace:
[  487.266176][ T9082]  <TASK>
[  487.266178][ T9082]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  487.266183][ T9082]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  487.266185][ T9082]  __might_resched.cold (kernel/sched/core.c:9234)
[  487.266188][ T9082]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  487.266191][ T9082]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  487.266194][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266196][ T9082]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  487.266199][ T9082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.266202][ T9082]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.266207][ T9082]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  487.266209][ T9082]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  487.266212][ T9082]  put_chars (drivers/char/virtio_console.c:1176)
[  487.266213][ T9082]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  487.266215][ T9082]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  487.266218][ T9082]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  487.266223][ T9082]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  487.266224][ T9082]  ? vsnprintf (lib/vsprintf.c:2900)
[  487.266227][ T9082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.266229][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266230][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266232][ T9082]  console_emit_next_record (kernel/printk/printk.c:3183)
[  487.266235][ T9082]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  487.266237][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266238][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266239][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266240][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266242][ T9082]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  487.266244][ T9082]  console_flush_one_record (kernel/printk/printk.c:3268)
[  487.266247][ T9082]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  487.266249][ T9082]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  487.266251][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266253][ T9082]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  487.266254][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266255][ T9082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.266257][ T9082]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  487.266258][ T9082]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  487.266260][ T9082]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  487.266262][ T9082]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  487.266263][ T9082]  vprintk_emit (kernel/printk/printk.c:2479)
[  487.266265][ T9082]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  487.266266][ T9082]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  487.266268][ T9082]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  487.266271][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266273][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266274][ T9082]  _printk (kernel/printk/printk.c:2504)
[  487.266277][ T9082]  ? snapshot_read.cold (user.c:?)
[  487.266279][ T9082]  ? br_multicast_flood (??:?)
[  487.266283][ T9082]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  487.266285][ T9082]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  487.266287][ T9082]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  487.266288][ T9082]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  487.266291][ T9082]  br_init_port (net/bridge/br_stp_if.c:39)
[  487.266293][ T9082]  new_nbp (net/bridge/br_if.c:449)
[  487.266295][ T9082]  br_add_if (net/bridge/br_if.c:592)
[  487.266297][ T9082]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  487.266301][ T9082]  do_set_master (net/core/rtnetlink.c:3071)
[  487.266303][ T9082]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  487.266305][ T9082]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  487.266306][ T9082]  ? __dev_get_by_name (net/core/dev.c:905)
[  487.266308][ T9082]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  487.266312][ T9082]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  487.266314][ T9082]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  487.266316][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266318][ T9082]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.266319][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266320][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266322][ T9082]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  487.266324][ T9082]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  487.266326][ T9082]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  487.266329][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266330][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266332][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266333][ T9082]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  487.266334][ T9082]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  487.266336][ T9082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  487.266338][ T9082]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  487.266339][ T9082]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  487.266343][ T9082]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  487.266346][ T9082]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  487.266347][ T9082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.266349][ T9082]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  487.266351][ T9082]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  487.266354][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266355][ T9082]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  487.266357][ T9082]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  487.266359][ T9082]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  487.266361][ T9082]  ? next_uptodate_folio (mm/filemap.c:3747)
[  487.266364][ T9082]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  487.266366][ T9082]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  487.266368][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266370][ T9082]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  487.266373][ T9082]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  487.266376][ T9082]  ____sys_sendmsg (net/socket.c:2713)
[  487.266378][ T9082]  ? copy_msghdr_from_user (net/socket.c:2650)
[  487.266380][ T9082]  ? sock_write_iter (net/socket.c:1269)
[  487.266381][ T9082]  ? move_addr_to_kernel (net/socket.c:258)
[  487.266383][ T9082]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  487.266385][ T9082]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  487.266387][ T9082]  ___sys_sendmsg (net/socket.c:2767)
[  487.266389][ T9082]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  487.266391][ T9082]  ? copy_msghdr_from_user (net/socket.c:2619)
[  487.266392][ T9082]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  487.266397][ T9082]  __sys_sendmsg (net/socket.c:2799)
[  487.266399][ T9082]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  487.266402][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266403][ T9082]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  487.266405][ T9082]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  487.266407][ T9082]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  487.266409][ T9082]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  487.266411][ T9082] RIP: 0033:0x7f4e278dc54e
[  487.266413][ T9082] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  487.266415][ T9082] RSP: 002b:00007ffd6adac640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  487.266419][ T9082] RAX: ffffffffffffffda RBX: 00007ffd6adace08 RCX: 00007f4e278dc54e
[  487.266420][ T9082] RDX: 0000000000000000 RSI: 00007ffd6adac6f0 RDI: 0000000000000005
[  487.266421][ T9082] RBP: 00007ffd6adac650 R08: 0000000000000000 R09: 0000000000000000
[  487.266422][ T9082] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ac
[  487.266423][ T9082] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6adacdc0
| [  488.542291][ T9149] softirqs last disabled at (0): 0x0
| [  488.542293][ T9149] Preemption disabled at:
| [  488.542294][ T9149] vprintk_emit (kernel/printk/printk.c:2471)
| [  488.542304][ T9149] Tainted: [W]=WARN
[  488.542305][ T9149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  488.542306][ T9149] Call Trace:
[  488.542308][ T9149]  <TASK>
[  488.542310][ T9149]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  488.542315][ T9149]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  488.542316][ T9149]  __might_resched.cold (kernel/sched/core.c:9234)
[  488.542320][ T9149]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  488.542323][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542326][ T9149]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  488.542329][ T9149]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  488.542331][ T9149]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  488.542337][ T9149]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  488.542338][ T9149]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  488.542341][ T9149]  put_chars (drivers/char/virtio_console.c:1176)
[  488.542342][ T9149]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  488.542344][ T9149]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  488.542346][ T9149]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  488.542348][ T9149]  ? pointer (lib/vsprintf.c:2577)
[  488.542351][ T9149]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  488.542356][ T9149]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  488.542358][ T9149]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  488.542359][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542362][ T9149]  console_emit_next_record (kernel/printk/printk.c:3183)
[  488.542364][ T9149]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  488.542366][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542368][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542370][ T9149]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  488.542371][ T9149]  console_flush_one_record (kernel/printk/printk.c:3268)
[  488.542374][ T9149]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  488.542376][ T9149]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  488.542378][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542380][ T9149]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  488.542382][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542383][ T9149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  488.542384][ T9149]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  488.542386][ T9149]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  488.542387][ T9149]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  488.542389][ T9149]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  488.542390][ T9149]  vprintk_emit (kernel/printk/printk.c:2479)
[  488.542392][ T9149]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  488.542393][ T9149]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  488.542395][ T9149]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  488.542398][ T9149]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  488.542401][ T9149]  _printk (kernel/printk/printk.c:2504)
[  488.542403][ T9149]  ? snapshot_read.cold (user.c:?)
[  488.542405][ T9149]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  488.542408][ T9149]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  488.542411][ T9149]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  488.542413][ T9149]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  488.542416][ T9149]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  488.542418][ T9149]  ? netdev_notice (net/core/dev.c:13194)
[  488.542420][ T9149]  ? 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)
[  488.542421][ T9149]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  488.542424][ T9149]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  488.542425][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542426][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542428][ T9149]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  488.542429][ T9149]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  488.542430][ T9149]  ? 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)
[  488.542432][ T9149]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  488.542433][ T9149]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  488.542434][ T9149]  ? register_netdev (net/core/dev.c:11618)
[  488.542436][ T9149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  488.542438][ T9149]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  488.542440][ T9149]  ? __kernel_text_address (kernel/extable.c:79)
[  488.542443][ T9149]  ? write_profile (profile.c:?)
[  488.542445][ T9149]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  488.542449][ T9149]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  488.542450][ T9149]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  488.542452][ T9149]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  488.542453][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542454][ T9149]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  488.542457][ T9149]  ? kasan_save_stack (mm/kasan/common.c:58)
[  488.542459][ T9149]  ? kasan_save_stack (mm/kasan/common.c:57)
[  488.542460][ T9149]  ? kasan_save_track (mm/kasan/common.c:78)
[  488.542461][ T9149]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  488.542462][ T9149]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  488.542463][ T9149]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  488.542465][ T9149]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  488.542466][ T9149]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  488.542469][ T9149]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  488.542470][ T9149]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  488.542472][ T9149]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  488.542474][ T9149]  ? ____sys_sendmsg (net/socket.c:2713)
[  488.542476][ T9149]  ? ___sys_sendmsg (net/socket.c:2767)
[  488.542477][ T9149]  ? __sys_sendmsg (net/socket.c:2799)
[  488.542479][ T9149]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  488.542481][ T9149]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  488.542484][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542485][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542486][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542487][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542488][ T9149]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  488.542490][ T9149]  ? __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)
[  488.542491][ T9149]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  488.542492][ T9149]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  488.542494][ T9149]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  488.542499][ T9149]  ? nla_get_range_signed (lib/nlattr.c:270)
[  488.542502][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542503][ T9149]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  488.542505][ T9149]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  488.542507][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542508][ T9149]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  488.542510][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542511][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542513][ T9149]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  488.542515][ T9149]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  488.542516][ T9149]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  488.542518][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542519][ T9149]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  488.542528][ T9149]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  488.542530][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542531][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542533][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542534][ T9149]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  488.542535][ T9149]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  488.542537][ T9149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  488.542538][ T9149]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  488.542540][ T9149]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  488.542542][ T9149]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  488.542544][ T9149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  488.542545][ T9149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  488.542547][ T9149]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  488.542548][ T9149]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  488.542551][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542553][ T9149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  488.542555][ T9149]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  488.542557][ T9149]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  488.542559][ T9149]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  488.542560][ T9149]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  488.542563][ T9149]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  488.542564][ T9149]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  488.542566][ T9149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  488.542567][ T9149]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  488.542570][ T9149]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  488.542572][ T9149]  ____sys_sendmsg (net/socket.c:2713)
[  488.542574][ T9149]  ? copy_msghdr_from_user (net/socket.c:2650)
[  488.542575][ T9149]  ? sock_write_iter (net/socket.c:1269)
[  488.542577][ T9149]  ? move_addr_to_kernel (net/socket.c:258)
[  488.542578][ T9149]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  488.542581][ T9149]  ___sys_sendmsg (net/socket.c:2767)
[  488.542583][ T9149]  ? copy_msghdr_from_user (net/socket.c:2619)
[  488.542587][ T9149]  __sys_sendmsg (net/socket.c:2799)
[  488.542589][ T9149]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  488.542592][ T9149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  488.542593][ T9149]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  488.542595][ T9149]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  488.542597][ T9149]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  488.542599][ T9149] RIP: 0033:0x7f384c81754e
[  488.542600][ T9149] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  488.542602][ T9149] RSP: 002b:00007ffcfdee5ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  488.542606][ T9149] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f384c81754e
[  488.542608][ T9149] RDX: 0000000000000000 RSI: 00007ffcfdee60a0 RDI: 0000000000000005
[  488.542608][ T9149] RBP: 00007ffcfdee6000 R08: 0000000000000000 R09: 0000000000000000
[  488.542609][ T9149] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ad
[  488.542610][ T9149] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfdee6760
| [  489.599495][ T9208] softirqs last disabled at (0): 0x0
| [  489.599499][ T9208] Preemption disabled at:
| [  489.599500][ T9208] vprintk_emit (kernel/printk/printk.c:2471)
| [  489.599510][ T9208] Tainted: [W]=WARN
[  489.599511][ T9208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  489.599512][ T9208] Call Trace:
[  489.599514][ T9208]  <TASK>
[  489.599515][ T9208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  489.599521][ T9208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  489.599522][ T9208]  __might_resched.cold (kernel/sched/core.c:9234)
[  489.599530][ T9208]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  489.599532][ T9208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  489.599535][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599538][ T9208]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  489.599541][ T9208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  489.599544][ T9208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  489.599549][ T9208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  489.599551][ T9208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  489.599554][ T9208]  put_chars (drivers/char/virtio_console.c:1176)
[  489.599555][ T9208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  489.599557][ T9208]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  489.599559][ T9208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  489.599564][ T9208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  489.599566][ T9208]  ? vsnprintf (lib/vsprintf.c:2900)
[  489.599569][ T9208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  489.599571][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599572][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599574][ T9208]  console_emit_next_record (kernel/printk/printk.c:3183)
[  489.599577][ T9208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  489.599579][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599580][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599581][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599582][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599584][ T9208]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  489.599586][ T9208]  console_flush_one_record (kernel/printk/printk.c:3268)
[  489.599588][ T9208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  489.599591][ T9208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  489.599593][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599594][ T9208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  489.599596][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599597][ T9208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  489.599599][ T9208]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  489.599600][ T9208]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  489.599602][ T9208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  489.599604][ T9208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  489.599605][ T9208]  vprintk_emit (kernel/printk/printk.c:2479)
[  489.599607][ T9208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  489.599608][ T9208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  489.599610][ T9208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  489.599613][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599614][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599616][ T9208]  _printk (kernel/printk/printk.c:2504)
[  489.599619][ T9208]  ? snapshot_read.cold (user.c:?)
[  489.599621][ T9208]  ? br_multicast_flood (??:?)
[  489.599624][ T9208]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  489.599626][ T9208]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  489.599628][ T9208]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  489.599629][ T9208]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  489.599632][ T9208]  br_init_port (net/bridge/br_stp_if.c:39)
[  489.599634][ T9208]  new_nbp (net/bridge/br_if.c:449)
[  489.599636][ T9208]  br_add_if (net/bridge/br_if.c:592)
[  489.599638][ T9208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  489.599642][ T9208]  do_set_master (net/core/rtnetlink.c:3071)
[  489.599644][ T9208]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  489.599645][ T9208]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  489.599647][ T9208]  ? __dev_get_by_name (net/core/dev.c:905)
[  489.599648][ T9208]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  489.599652][ T9208]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  489.599655][ T9208]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  489.599657][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599658][ T9208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  489.599659][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599661][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599662][ T9208]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  489.599665][ T9208]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  489.599666][ T9208]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  489.599669][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599670][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599671][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599673][ T9208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  489.599674][ T9208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  489.599676][ T9208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  489.599677][ T9208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  489.599678][ T9208]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  489.599682][ T9208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  489.599685][ T9208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  489.599686][ T9208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  489.599688][ T9208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  489.599689][ T9208]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  489.599692][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599694][ T9208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  489.599696][ T9208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  489.599698][ T9208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  489.599700][ T9208]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  489.599703][ T9208]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  489.599705][ T9208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  489.599707][ T9208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  489.599709][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599711][ T9208]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  489.599714][ T9208]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  489.599718][ T9208]  ____sys_sendmsg (net/socket.c:2713)
[  489.599719][ T9208]  ? copy_msghdr_from_user (net/socket.c:2650)
[  489.599721][ T9208]  ? sock_write_iter (net/socket.c:1269)
[  489.599722][ T9208]  ? move_addr_to_kernel (net/socket.c:258)
[  489.599725][ T9208]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  489.599727][ T9208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  489.599729][ T9208]  ___sys_sendmsg (net/socket.c:2767)
[  489.599731][ T9208]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  489.599732][ T9208]  ? copy_msghdr_from_user (net/socket.c:2619)
[  489.599734][ T9208]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  489.599738][ T9208]  __sys_sendmsg (net/socket.c:2799)
[  489.599740][ T9208]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  489.599743][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599744][ T9208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  489.599746][ T9208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  489.599748][ T9208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  489.599750][ T9208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  489.599752][ T9208] RIP: 0033:0x7f676e44f54e
[  489.599754][ T9208] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  489.599756][ T9208] RSP: 002b:00007ffcba6f4f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  489.599759][ T9208] RAX: ffffffffffffffda RBX: 00007ffcba6f56f8 RCX: 00007f676e44f54e
[  489.599760][ T9208] RDX: 0000000000000000 RSI: 00007ffcba6f4fe0 RDI: 0000000000000005
[  489.599761][ T9208] RBP: 00007ffcba6f4f40 R08: 0000000000000000 R09: 0000000000000000
[  489.599762][ T9208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ae
[  489.599763][ T9208] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcba6f56b0
| [  497.320492][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  497.320499][   T12] Preemption disabled at:
| [  497.320500][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  497.320511][   T12] Tainted: [W]=WARN
[  497.320512][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  497.320514][   T12] Workqueue: netns cleanup_net
[  497.320519][   T12] Call Trace:
[  497.320521][   T12]  <TASK>
[  497.320523][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  497.320528][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  497.320530][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  497.320533][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  497.320535][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  497.320539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320541][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  497.320544][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.320547][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.320558][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  497.320560][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  497.320562][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  497.320564][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  497.320566][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  497.320568][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  497.320573][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  497.320575][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  497.320577][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.320579][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320581][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  497.320584][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  497.320586][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320589][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.320592][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  497.320594][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  497.320596][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  497.320599][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  497.320601][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.320603][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  497.320604][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320605][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  497.320607][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  497.320608][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  497.320610][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  497.320612][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  497.320613][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  497.320615][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  497.320616][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  497.320618][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  497.320621][   T12]  ? kthread (kernel/kthread.c:436)
[  497.320623][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  497.320626][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  497.320628][   T12]  _printk (kernel/printk/printk.c:2504)
[  497.320631][   T12]  ? snapshot_read.cold (user.c:?)
[  497.320633][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  497.320637][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  497.320639][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  497.320641][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  497.320643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320644][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  497.320646][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  497.320649][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  497.320650][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  497.320651][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  497.320654][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  497.320656][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  497.320660][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  497.320662][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  497.320665][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  497.320667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  497.320669][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  497.320672][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  497.320674][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  497.320675][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  497.320677][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  497.320679][   T12]  process_one_work (kernel/workqueue.c:3387)
[  497.320681][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  497.320684][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  497.320686][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  497.320689][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  497.320691][   T12]  kthread (kernel/kthread.c:436)
[  497.320693][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  497.320694][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  497.320696][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  497.320698][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  497.320700][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  497.320703][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  497.320705][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  498.510296][ T9426] softirqs last disabled at (0): 0x0
| [  498.510298][ T9426] Preemption disabled at:
| [  498.510298][ T9426] vprintk_emit (kernel/printk/printk.c:2471)
| [  498.510308][ T9426] Tainted: [W]=WARN
[  498.510309][ T9426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  498.510311][ T9426] Call Trace:
[  498.510313][ T9426]  <TASK>
[  498.510314][ T9426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  498.510320][ T9426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  498.510322][ T9426]  __might_resched.cold (kernel/sched/core.c:9234)
[  498.510325][ T9426]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  498.510327][ T9426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  498.510331][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510333][ T9426]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  498.510336][ T9426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.510340][ T9426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  498.510345][ T9426]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  498.510347][ T9426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  498.510349][ T9426]  put_chars (drivers/char/virtio_console.c:1176)
[  498.510351][ T9426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  498.510353][ T9426]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  498.510355][ T9426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  498.510360][ T9426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  498.510362][ T9426]  ? vsnprintf (lib/vsprintf.c:2900)
[  498.510365][ T9426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.510367][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510368][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510369][ T9426]  console_emit_next_record (kernel/printk/printk.c:3183)
[  498.510372][ T9426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  498.510374][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510375][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510376][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510377][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510379][ T9426]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  498.510381][ T9426]  console_flush_one_record (kernel/printk/printk.c:3268)
[  498.510384][ T9426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  498.510386][ T9426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  498.510388][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510390][ T9426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  498.510392][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510393][ T9426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.510394][ T9426]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  498.510396][ T9426]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  498.510397][ T9426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  498.510399][ T9426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  498.510401][ T9426]  vprintk_emit (kernel/printk/printk.c:2479)
[  498.510402][ T9426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  498.510404][ T9426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  498.510405][ T9426]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  498.510408][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510410][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510411][ T9426]  _printk (kernel/printk/printk.c:2504)
[  498.510414][ T9426]  ? snapshot_read.cold (user.c:?)
[  498.510416][ T9426]  ? br_multicast_flood (??:?)
[  498.510420][ T9426]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  498.510422][ T9426]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  498.510423][ T9426]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  498.510425][ T9426]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  498.510427][ T9426]  br_init_port (net/bridge/br_stp_if.c:39)
[  498.510429][ T9426]  new_nbp (net/bridge/br_if.c:449)
[  498.510431][ T9426]  br_add_if (net/bridge/br_if.c:592)
[  498.510433][ T9426]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  498.510437][ T9426]  do_set_master (net/core/rtnetlink.c:3071)
[  498.510439][ T9426]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  498.510441][ T9426]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  498.510442][ T9426]  ? __dev_get_by_name (net/core/dev.c:905)
[  498.510444][ T9426]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  498.510448][ T9426]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  498.510450][ T9426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  498.510452][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510454][ T9426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  498.510455][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510456][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510458][ T9426]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  498.510460][ T9426]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  498.510462][ T9426]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  498.510465][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510466][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510467][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510469][ T9426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  498.510470][ T9426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  498.510472][ T9426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  498.510473][ T9426]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  498.510475][ T9426]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  498.510478][ T9426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  498.510481][ T9426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  498.510483][ T9426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.510484][ T9426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  498.510486][ T9426]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  498.510489][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510490][ T9426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  498.510492][ T9426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  498.510494][ T9426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  498.510500][ T9426]  ? next_uptodate_folio (mm/filemap.c:3747)
[  498.510503][ T9426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  498.510505][ T9426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  498.510507][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510509][ T9426]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  498.510512][ T9426]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  498.510515][ T9426]  ____sys_sendmsg (net/socket.c:2713)
[  498.510517][ T9426]  ? copy_msghdr_from_user (net/socket.c:2650)
[  498.510519][ T9426]  ? sock_write_iter (net/socket.c:1269)
[  498.510520][ T9426]  ? move_addr_to_kernel (net/socket.c:258)
[  498.510522][ T9426]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  498.510525][ T9426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  498.510527][ T9426]  ___sys_sendmsg (net/socket.c:2767)
[  498.510528][ T9426]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  498.510530][ T9426]  ? copy_msghdr_from_user (net/socket.c:2619)
[  498.510532][ T9426]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  498.510536][ T9426]  __sys_sendmsg (net/socket.c:2799)
[  498.510538][ T9426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  498.510541][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510542][ T9426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  498.510544][ T9426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  498.510546][ T9426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  498.510548][ T9426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  498.510550][ T9426] RIP: 0033:0x7fc8558f354e
[  498.510552][ T9426] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  498.510557][ T9426] RSP: 002b:00007ffe29e3f780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  498.510561][ T9426] RAX: ffffffffffffffda RBX: 00007ffe29e3ff48 RCX: 00007fc8558f354e
[  498.510563][ T9426] RDX: 0000000000000000 RSI: 00007ffe29e3f830 RDI: 0000000000000005
[  498.510564][ T9426] RBP: 00007ffe29e3f790 R08: 0000000000000000 R09: 0000000000000000
[  498.510565][ T9426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111b7
[  498.510566][ T9426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe29e3ff00
| [  499.804859][ T9495] softirqs last disabled at (0): 0x0
| [  499.804861][ T9495] Preemption disabled at:
| [  499.804862][ T9495] vprintk_emit (kernel/printk/printk.c:2471)
| [  499.804873][ T9495] Tainted: [W]=WARN
[  499.804874][ T9495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  499.804875][ T9495] Call Trace:
[  499.804877][ T9495]  <TASK>
[  499.804879][ T9495]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  499.804884][ T9495]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  499.804886][ T9495]  __might_resched.cold (kernel/sched/core.c:9234)
[  499.804889][ T9495]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  499.804893][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.804895][ T9495]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  499.804898][ T9495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  499.804902][ T9495]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  499.804907][ T9495]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  499.804909][ T9495]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  499.804912][ T9495]  put_chars (drivers/char/virtio_console.c:1176)
[  499.804913][ T9495]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  499.804914][ T9495]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  499.804917][ T9495]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  499.804919][ T9495]  ? pointer (lib/vsprintf.c:2577)
[  499.804923][ T9495]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  499.804928][ T9495]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  499.804929][ T9495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  499.804931][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.804934][ T9495]  console_emit_next_record (kernel/printk/printk.c:3183)
[  499.804937][ T9495]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  499.804939][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.804940][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.804941][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.804942][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.804944][ T9495]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  499.804946][ T9495]  console_flush_one_record (kernel/printk/printk.c:3268)
[  499.804949][ T9495]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  499.804951][ T9495]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  499.804953][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.804955][ T9495]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  499.804957][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.804958][ T9495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.804960][ T9495]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  499.804961][ T9495]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  499.804963][ T9495]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  499.804965][ T9495]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  499.804966][ T9495]  vprintk_emit (kernel/printk/printk.c:2479)
[  499.804968][ T9495]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  499.804969][ T9495]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  499.804972][ T9495]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  499.804975][ T9495]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  499.804977][ T9495]  _printk (kernel/printk/printk.c:2504)
[  499.804980][ T9495]  ? snapshot_read.cold (user.c:?)
[  499.804982][ T9495]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  499.804984][ T9495]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  499.804988][ T9495]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  499.804990][ T9495]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  499.804993][ T9495]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  499.804995][ T9495]  ? netdev_notice (net/core/dev.c:13194)
[  499.804997][ T9495]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  499.804999][ T9495]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  499.805001][ T9495]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  499.805003][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805004][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805005][ T9495]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  499.805007][ T9495]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  499.805008][ T9495]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  499.805009][ T9495]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  499.805011][ T9495]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  499.805013][ T9495]  ? register_netdev (net/core/dev.c:11618)
[  499.805014][ T9495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.805016][ T9495]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  499.805019][ T9495]  ? __kernel_text_address (kernel/extable.c:79)
[  499.805021][ T9495]  ? write_profile (profile.c:?)
[  499.805024][ T9495]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  499.805028][ T9495]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  499.805030][ T9495]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  499.805032][ T9495]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  499.805033][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805034][ T9495]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  499.805037][ T9495]  ? kasan_save_stack (mm/kasan/common.c:58)
[  499.805039][ T9495]  ? kasan_save_stack (mm/kasan/common.c:57)
[  499.805040][ T9495]  ? kasan_save_track (mm/kasan/common.c:78)
[  499.805041][ T9495]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  499.805043][ T9495]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  499.805044][ T9495]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  499.805045][ T9495]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  499.805046][ T9495]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  499.805049][ T9495]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  499.805051][ T9495]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  499.805052][ T9495]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  499.805055][ T9495]  ? ____sys_sendmsg (net/socket.c:2713)
[  499.805056][ T9495]  ? ___sys_sendmsg (net/socket.c:2767)
[  499.805058][ T9495]  ? __sys_sendmsg (net/socket.c:2799)
[  499.805060][ T9495]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  499.805062][ T9495]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  499.805064][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805066][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.805067][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805068][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805069][ T9495]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  499.805071][ T9495]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  499.805072][ T9495]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  499.805073][ T9495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  499.805075][ T9495]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  499.805076][ T9495]  ? nla_get_range_signed (lib/nlattr.c:270)
[  499.805079][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805081][ T9495]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  499.805083][ T9495]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  499.805085][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805086][ T9495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  499.805087][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.805089][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805091][ T9495]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  499.805093][ T9495]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  499.805094][ T9495]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  499.805096][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805097][ T9495]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  499.805100][ T9495]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  499.805103][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805104][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.805105][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805107][ T9495]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  499.805108][ T9495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  499.805110][ T9495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  499.805111][ T9495]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  499.805113][ T9495]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  499.805115][ T9495]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  499.805117][ T9495]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  499.805118][ T9495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.805120][ T9495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  499.805121][ T9495]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  499.805124][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805126][ T9495]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  499.805128][ T9495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  499.805130][ T9495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  499.805132][ T9495]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  499.805134][ T9495]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  499.805136][ T9495]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  499.805138][ T9495]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  499.805139][ T9495]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  499.805141][ T9495]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  499.805144][ T9495]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  499.805146][ T9495]  ____sys_sendmsg (net/socket.c:2713)
[  499.805148][ T9495]  ? copy_msghdr_from_user (net/socket.c:2650)
[  499.805149][ T9495]  ? sock_write_iter (net/socket.c:1269)
[  499.805151][ T9495]  ? move_addr_to_kernel (net/socket.c:258)
[  499.805152][ T9495]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  499.805155][ T9495]  ___sys_sendmsg (net/socket.c:2767)
[  499.805157][ T9495]  ? copy_msghdr_from_user (net/socket.c:2619)
[  499.805162][ T9495]  __sys_sendmsg (net/socket.c:2799)
[  499.805164][ T9495]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  499.805167][ T9495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  499.805168][ T9495]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  499.805170][ T9495]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  499.805172][ T9495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  499.805174][ T9495] RIP: 0033:0x7f2833c8454e
[  499.805176][ T9495] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  499.805177][ T9495] RSP: 002b:00007ffcbb5b70b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  499.805181][ T9495] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2833c8454e
[  499.805183][ T9495] RDX: 0000000000000000 RSI: 00007ffcbb5b7160 RDI: 0000000000000005
[  499.805184][ T9495] RBP: 00007ffcbb5b70c0 R08: 0000000000000000 R09: 0000000000000000
[  499.805185][ T9495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111b9
[  499.805185][ T9495] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbb5b7820
| [  500.891587][ T9552] softirqs last disabled at (0): 0x0
| [  500.891589][ T9552] Preemption disabled at:
| [  500.891590][ T9552] vprintk_emit (kernel/printk/printk.c:2471)
| [  500.891599][ T9552] Tainted: [W]=WARN
[  500.891600][ T9552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  500.891602][ T9552] Call Trace:
[  500.891603][ T9552]  <TASK>
[  500.891605][ T9552]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  500.891610][ T9552]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  500.891612][ T9552]  __might_resched.cold (kernel/sched/core.c:9234)
[  500.891615][ T9552]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  500.891617][ T9552]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  500.891621][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891623][ T9552]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  500.891626][ T9552]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.891629][ T9552]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.891633][ T9552]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  500.891635][ T9552]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.891638][ T9552]  put_chars (drivers/char/virtio_console.c:1176)
[  500.891639][ T9552]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  500.891641][ T9552]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  500.891644][ T9552]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  500.891648][ T9552]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  500.891650][ T9552]  ? vsnprintf (lib/vsprintf.c:2900)
[  500.891653][ T9552]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.891655][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891656][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891657][ T9552]  console_emit_next_record (kernel/printk/printk.c:3183)
[  500.891660][ T9552]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  500.891662][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891663][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891664][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891665][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891668][ T9552]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  500.891669][ T9552]  console_flush_one_record (kernel/printk/printk.c:3268)
[  500.891672][ T9552]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  500.891674][ T9552]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  500.891676][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891678][ T9552]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  500.891680][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891681][ T9552]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.891682][ T9552]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  500.891684][ T9552]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  500.891685][ T9552]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  500.891687][ T9552]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  500.891689][ T9552]  vprintk_emit (kernel/printk/printk.c:2479)
[  500.891690][ T9552]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  500.891691][ T9552]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.891693][ T9552]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  500.891696][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891697][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891699][ T9552]  _printk (kernel/printk/printk.c:2504)
[  500.891702][ T9552]  ? snapshot_read.cold (user.c:?)
[  500.891704][ T9552]  ? br_multicast_flood (??:?)
[  500.891707][ T9552]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  500.891710][ T9552]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  500.891711][ T9552]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  500.891713][ T9552]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  500.891716][ T9552]  br_init_port (net/bridge/br_stp_if.c:39)
[  500.891718][ T9552]  new_nbp (net/bridge/br_if.c:449)
[  500.891720][ T9552]  br_add_if (net/bridge/br_if.c:592)
[  500.891722][ T9552]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  500.891726][ T9552]  do_set_master (net/core/rtnetlink.c:3071)
[  500.891727][ T9552]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  500.891729][ T9552]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  500.891731][ T9552]  ? __dev_get_by_name (net/core/dev.c:905)
[  500.891733][ T9552]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  500.891736][ T9552]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  500.891739][ T9552]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  500.891741][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891742][ T9552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.891743][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891745][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891746][ T9552]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  500.891749][ T9552]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  500.891751][ T9552]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  500.891753][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891755][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891756][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891757][ T9552]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  500.891759][ T9552]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  500.891760][ T9552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  500.891762][ T9552]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  500.891763][ T9552]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  500.891767][ T9552]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  500.891769][ T9552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  500.891771][ T9552]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.891772][ T9552]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  500.891774][ T9552]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  500.891777][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891778][ T9552]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.891780][ T9552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  500.891783][ T9552]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  500.891784][ T9552]  ? next_uptodate_folio (mm/filemap.c:3747)
[  500.891787][ T9552]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  500.891790][ T9552]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  500.891792][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891793][ T9552]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  500.891797][ T9552]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  500.891800][ T9552]  ____sys_sendmsg (net/socket.c:2713)
[  500.891801][ T9552]  ? copy_msghdr_from_user (net/socket.c:2650)
[  500.891803][ T9552]  ? sock_write_iter (net/socket.c:1269)
[  500.891805][ T9552]  ? move_addr_to_kernel (net/socket.c:258)
[  500.891807][ T9552]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  500.891809][ T9552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.891811][ T9552]  ___sys_sendmsg (net/socket.c:2767)
[  500.891813][ T9552]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  500.891814][ T9552]  ? copy_msghdr_from_user (net/socket.c:2619)
[  500.891816][ T9552]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  500.891821][ T9552]  __sys_sendmsg (net/socket.c:2799)
[  500.891823][ T9552]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  500.891825][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891826][ T9552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.891828][ T9552]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  500.891830][ T9552]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  500.891832][ T9552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  500.891834][ T9552] RIP: 0033:0x7f7027f8854e
[  500.891836][ T9552] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  500.891838][ T9552] RSP: 002b:00007ffc6f92ead0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  500.891842][ T9552] RAX: ffffffffffffffda RBX: 00007ffc6f92f298 RCX: 00007f7027f8854e
[  500.891843][ T9552] RDX: 0000000000000000 RSI: 00007ffc6f92eb80 RDI: 0000000000000005
[  500.891844][ T9552] RBP: 00007ffc6f92eae0 R08: 0000000000000000 R09: 0000000000000000
[  500.891845][ T9552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ba
[  500.891846][ T9552] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6f92f250
| [  508.706514][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  508.706516][   T12] Preemption disabled at:
| [  508.706517][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  508.706528][   T12] Tainted: [W]=WARN
[  508.706529][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  508.706531][   T12] Workqueue: netns cleanup_net
[  508.706536][   T12] Call Trace:
[  508.706538][   T12]  <TASK>
[  508.706539][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  508.706545][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  508.706546][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  508.706550][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  508.706552][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  508.706555][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706558][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  508.706561][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.706564][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.706569][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  508.706571][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.706573][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  508.706575][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  508.706577][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  508.706579][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  508.706584][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  508.706586][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  508.706588][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.706590][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706597][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  508.706600][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  508.706602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706604][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706605][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.706608][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  508.706609][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  508.706612][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  508.706615][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  508.706617][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.706619][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  508.706620][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706621][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.706623][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  508.706625][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  508.706626][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  508.706628][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  508.706630][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  508.706632][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  508.706633][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  508.706634][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  508.706637][   T12]  ? kthread (kernel/kthread.c:436)
[  508.706639][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  508.706642][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  508.706644][   T12]  _printk (kernel/printk/printk.c:2504)
[  508.706648][   T12]  ? snapshot_read.cold (user.c:?)
[  508.706650][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  508.706653][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  508.706656][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  508.706658][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  508.706660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706661][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  508.706663][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  508.706666][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  508.706667][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  508.706669][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  508.706671][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  508.706674][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  508.706678][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  508.706680][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  508.706682][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  508.706685][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  508.706686][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  508.706689][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  508.706691][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  508.706693][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.706695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.706696][   T12]  process_one_work (kernel/workqueue.c:3387)
[  508.706699][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  508.706702][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.706704][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  508.706707][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  508.706709][   T12]  kthread (kernel/kthread.c:436)
[  508.706711][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  508.706712][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  508.706714][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  508.706716][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  508.706718][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  508.706721][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  508.706723][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  510.136332][ T9771] softirqs last disabled at (0): 0x0
| [  510.136334][ T9771] Preemption disabled at:
| [  510.136335][ T9771] vprintk_emit (kernel/printk/printk.c:2471)
| [  510.136348][ T9771] Tainted: [W]=WARN
[  510.136350][ T9771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  510.136352][ T9771] Call Trace:
[  510.136354][ T9771]  <TASK>
[  510.136356][ T9771]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  510.136363][ T9771]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  510.136365][ T9771]  __might_resched.cold (kernel/sched/core.c:9234)
[  510.136369][ T9771]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  510.136372][ T9771]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  510.136377][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136380][ T9771]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  510.136384][ T9771]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.136388][ T9771]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.136395][ T9771]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  510.136398][ T9771]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  510.136402][ T9771]  put_chars (drivers/char/virtio_console.c:1176)
[  510.136404][ T9771]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  510.136407][ T9771]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  510.136411][ T9771]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  510.136417][ T9771]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  510.136420][ T9771]  ? vsnprintf (lib/vsprintf.c:2900)
[  510.136425][ T9771]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.136427][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136429][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136432][ T9771]  console_emit_next_record (kernel/printk/printk.c:3183)
[  510.136436][ T9771]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  510.136439][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136441][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136443][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136445][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136448][ T9771]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  510.136451][ T9771]  console_flush_one_record (kernel/printk/printk.c:3268)
[  510.136455][ T9771]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  510.136459][ T9771]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  510.136462][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136464][ T9771]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  510.136467][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136469][ T9771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.136471][ T9771]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  510.136473][ T9771]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  510.136476][ T9771]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  510.136478][ T9771]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  510.136481][ T9771]  vprintk_emit (kernel/printk/printk.c:2479)
[  510.136484][ T9771]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  510.136486][ T9771]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  510.136488][ T9771]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  510.136492][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136494][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136499][ T9771]  _printk (kernel/printk/printk.c:2504)
[  510.136504][ T9771]  ? snapshot_read.cold (user.c:?)
[  510.136507][ T9771]  ? br_multicast_flood (??:?)
[  510.136511][ T9771]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  510.136514][ T9771]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  510.136516][ T9771]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.136520][ T9771]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  510.136524][ T9771]  br_init_port (net/bridge/br_stp_if.c:39)
[  510.136527][ T9771]  new_nbp (net/bridge/br_if.c:449)
[  510.136530][ T9771]  br_add_if (net/bridge/br_if.c:592)
[  510.136533][ T9771]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  510.136539][ T9771]  do_set_master (net/core/rtnetlink.c:3071)
[  510.136542][ T9771]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  510.136544][ T9771]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  510.136547][ T9771]  ? __dev_get_by_name (net/core/dev.c:905)
[  510.136549][ T9771]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  510.136555][ T9771]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  510.136559][ T9771]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  510.136563][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136565][ T9771]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.136567][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136569][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136572][ T9771]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  510.136575][ T9771]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  510.136578][ T9771]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  510.136581][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136583][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136586][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136588][ T9771]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  510.136590][ T9771]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  510.136593][ T9771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.136595][ T9771]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  510.136603][ T9771]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  510.136608][ T9771]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  510.136612][ T9771]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  510.136614][ T9771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.136617][ T9771]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  510.136619][ T9771]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  510.136624][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136626][ T9771]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  510.136630][ T9771]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  510.136633][ T9771]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  510.136636][ T9771]  ? next_uptodate_folio (mm/filemap.c:3747)
[  510.136640][ T9771]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  510.136644][ T9771]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  510.136647][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136649][ T9771]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  510.136654][ T9771]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  510.136658][ T9771]  ____sys_sendmsg (net/socket.c:2713)
[  510.136661][ T9771]  ? copy_msghdr_from_user (net/socket.c:2650)
[  510.136663][ T9771]  ? sock_write_iter (net/socket.c:1269)
[  510.136666][ T9771]  ? move_addr_to_kernel (net/socket.c:258)
[  510.136669][ T9771]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  510.136672][ T9771]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  510.136675][ T9771]  ___sys_sendmsg (net/socket.c:2767)
[  510.136678][ T9771]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  510.136681][ T9771]  ? copy_msghdr_from_user (net/socket.c:2619)
[  510.136683][ T9771]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  510.136691][ T9771]  __sys_sendmsg (net/socket.c:2799)
[  510.136694][ T9771]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  510.136698][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136700][ T9771]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  510.136703][ T9771]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  510.136706][ T9771]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  510.136709][ T9771]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  510.136712][ T9771] RIP: 0033:0x7f124ce3254e
[  510.136715][ T9771] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  510.136718][ T9771] RSP: 002b:00007ffee2cb6ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  510.136722][ T9771] RAX: ffffffffffffffda RBX: 00007ffee2cb7278 RCX: 00007f124ce3254e
[  510.136725][ T9771] RDX: 0000000000000000 RSI: 00007ffee2cb6b60 RDI: 0000000000000005
[  510.136726][ T9771] RBP: 00007ffee2cb6ac0 R08: 0000000000000000 R09: 0000000000000000
[  510.136728][ T9771] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111c3
[  510.136730][ T9771] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee2cb7230
| [  511.716413][ T9840] softirqs last disabled at (0): 0x0
| [  511.716415][ T9840] Preemption disabled at:
| [  511.716415][ T9840] vprintk_emit (kernel/printk/printk.c:2471)
| [  511.716425][ T9840] Tainted: [W]=WARN
[  511.716426][ T9840] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  511.716428][ T9840] Call Trace:
[  511.716430][ T9840]  <TASK>
[  511.716431][ T9840]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  511.716436][ T9840]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  511.716437][ T9840]  __might_resched.cold (kernel/sched/core.c:9234)
[  511.716441][ T9840]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  511.716445][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716447][ T9840]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  511.716450][ T9840]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.716453][ T9840]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.716458][ T9840]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  511.716459][ T9840]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  511.716462][ T9840]  put_chars (drivers/char/virtio_console.c:1176)
[  511.716464][ T9840]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  511.716465][ T9840]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  511.716467][ T9840]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  511.716469][ T9840]  ? pointer (lib/vsprintf.c:2577)
[  511.716473][ T9840]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  511.716478][ T9840]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  511.716479][ T9840]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.716481][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716484][ T9840]  console_emit_next_record (kernel/printk/printk.c:3183)
[  511.716487][ T9840]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  511.716489][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716490][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716491][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716492][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716494][ T9840]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  511.716499][ T9840]  console_flush_one_record (kernel/printk/printk.c:3268)
[  511.716501][ T9840]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  511.716504][ T9840]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  511.716506][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716507][ T9840]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  511.716509][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716510][ T9840]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.716512][ T9840]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  511.716513][ T9840]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  511.716515][ T9840]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  511.716517][ T9840]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  511.716518][ T9840]  vprintk_emit (kernel/printk/printk.c:2479)
[  511.716520][ T9840]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  511.716521][ T9840]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  511.716523][ T9840]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  511.716526][ T9840]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  511.716529][ T9840]  _printk (kernel/printk/printk.c:2504)
[  511.716531][ T9840]  ? snapshot_read.cold (user.c:?)
[  511.716533][ T9840]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  511.716535][ T9840]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  511.716539][ T9840]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  511.716541][ T9840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  511.716544][ T9840]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  511.716546][ T9840]  ? netdev_notice (net/core/dev.c:13194)
[  511.716548][ T9840]  ? 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)
[  511.716549][ T9840]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  511.716552][ T9840]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  511.716553][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716554][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716555][ T9840]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  511.716557][ T9840]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  511.716558][ T9840]  ? 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)
[  511.716560][ T9840]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  511.716561][ T9840]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  511.716562][ T9840]  ? register_netdev (net/core/dev.c:11618)
[  511.716564][ T9840]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.716566][ T9840]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  511.716568][ T9840]  ? __kernel_text_address (kernel/extable.c:79)
[  511.716571][ T9840]  ? write_profile (profile.c:?)
[  511.716573][ T9840]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  511.716577][ T9840]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  511.716579][ T9840]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  511.716580][ T9840]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  511.716581][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716582][ T9840]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  511.716586][ T9840]  ? kasan_save_stack (mm/kasan/common.c:58)
[  511.716587][ T9840]  ? kasan_save_stack (mm/kasan/common.c:57)
[  511.716588][ T9840]  ? kasan_save_track (mm/kasan/common.c:78)
[  511.716590][ T9840]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  511.716591][ T9840]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  511.716592][ T9840]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  511.716593][ T9840]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  511.716594][ T9840]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  511.716597][ T9840]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  511.716599][ T9840]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  511.716600][ T9840]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  511.716608][ T9840]  ? ____sys_sendmsg (net/socket.c:2713)
[  511.716609][ T9840]  ? ___sys_sendmsg (net/socket.c:2767)
[  511.716610][ T9840]  ? __sys_sendmsg (net/socket.c:2799)
[  511.716612][ T9840]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  511.716614][ T9840]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  511.716617][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716618][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716620][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716621][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716622][ T9840]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  511.716623][ T9840]  ? __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)
[  511.716624][ T9840]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  511.716625][ T9840]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  511.716627][ T9840]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  511.716628][ T9840]  ? nla_get_range_signed (lib/nlattr.c:270)
[  511.716631][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716633][ T9840]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  511.716635][ T9840]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  511.716637][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716638][ T9840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.716639][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716640][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716642][ T9840]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  511.716644][ T9840]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  511.716645][ T9840]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  511.716647][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716648][ T9840]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  511.716652][ T9840]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  511.716654][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716655][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716657][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716658][ T9840]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  511.716659][ T9840]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  511.716661][ T9840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  511.716662][ T9840]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  511.716664][ T9840]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  511.716666][ T9840]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  511.716668][ T9840]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  511.716669][ T9840]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.716671][ T9840]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  511.716672][ T9840]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  511.716675][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716676][ T9840]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  511.716678][ T9840]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  511.716680][ T9840]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  511.716682][ T9840]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  511.716684][ T9840]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  511.716686][ T9840]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  511.716688][ T9840]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  511.716689][ T9840]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  511.716691][ T9840]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  511.716694][ T9840]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  511.716696][ T9840]  ____sys_sendmsg (net/socket.c:2713)
[  511.716697][ T9840]  ? copy_msghdr_from_user (net/socket.c:2650)
[  511.716699][ T9840]  ? sock_write_iter (net/socket.c:1269)
[  511.716700][ T9840]  ? move_addr_to_kernel (net/socket.c:258)
[  511.716702][ T9840]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  511.716704][ T9840]  ___sys_sendmsg (net/socket.c:2767)
[  511.716706][ T9840]  ? copy_msghdr_from_user (net/socket.c:2619)
[  511.716711][ T9840]  __sys_sendmsg (net/socket.c:2799)
[  511.716713][ T9840]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  511.716716][ T9840]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  511.716717][ T9840]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  511.716719][ T9840]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  511.716721][ T9840]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  511.716722][ T9840] RIP: 0033:0x7f2c8b65c54e
[  511.716724][ T9840] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  511.716726][ T9840] RSP: 002b:00007ffcac527590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  511.716730][ T9840] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2c8b65c54e
[  511.716731][ T9840] RDX: 0000000000000000 RSI: 00007ffcac527640 RDI: 0000000000000005
[  511.716732][ T9840] RBP: 00007ffcac5275a0 R08: 0000000000000000 R09: 0000000000000000
[  511.716733][ T9840] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111c5
[  511.716734][ T9840] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcac527d00
| [  512.771256][ T9890] softirqs last disabled at (0): 0x0
| [  512.771258][ T9890] Preemption disabled at:
| [  512.771259][ T9890] vprintk_emit (kernel/printk/printk.c:2471)
| [  512.771269][ T9890] Tainted: [W]=WARN
[  512.771270][ T9890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  512.771271][ T9890] Call Trace:
[  512.771273][ T9890]  <TASK>
[  512.771274][ T9890]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  512.771279][ T9890]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  512.771281][ T9890]  __might_resched.cold (kernel/sched/core.c:9234)
[  512.771284][ T9890]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  512.771287][ T9890]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  512.771290][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771292][ T9890]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  512.771295][ T9890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  512.771299][ T9890]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  512.771304][ T9890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  512.771306][ T9890]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  512.771308][ T9890]  put_chars (drivers/char/virtio_console.c:1176)
[  512.771310][ T9890]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  512.771312][ T9890]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  512.771314][ T9890]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  512.771319][ T9890]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  512.771320][ T9890]  ? vsnprintf (lib/vsprintf.c:2900)
[  512.771323][ T9890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  512.771325][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771326][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771328][ T9890]  console_emit_next_record (kernel/printk/printk.c:3183)
[  512.771331][ T9890]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  512.771333][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771334][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771335][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771336][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771338][ T9890]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  512.771340][ T9890]  console_flush_one_record (kernel/printk/printk.c:3268)
[  512.771342][ T9890]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  512.771345][ T9890]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  512.771347][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771348][ T9890]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  512.771350][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771351][ T9890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  512.771353][ T9890]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  512.771354][ T9890]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  512.771356][ T9890]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  512.771357][ T9890]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  512.771359][ T9890]  vprintk_emit (kernel/printk/printk.c:2479)
[  512.771361][ T9890]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  512.771362][ T9890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  512.771364][ T9890]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  512.771366][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771368][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771370][ T9890]  _printk (kernel/printk/printk.c:2504)
[  512.771372][ T9890]  ? snapshot_read.cold (user.c:?)
[  512.771374][ T9890]  ? br_multicast_flood (??:?)
[  512.771378][ T9890]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  512.771381][ T9890]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  512.771382][ T9890]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  512.771384][ T9890]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  512.771387][ T9890]  br_init_port (net/bridge/br_stp_if.c:39)
[  512.771389][ T9890]  new_nbp (net/bridge/br_if.c:449)
[  512.771391][ T9890]  br_add_if (net/bridge/br_if.c:592)
[  512.771393][ T9890]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  512.771397][ T9890]  do_set_master (net/core/rtnetlink.c:3071)
[  512.771399][ T9890]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  512.771400][ T9890]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  512.771402][ T9890]  ? __dev_get_by_name (net/core/dev.c:905)
[  512.771403][ T9890]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  512.771407][ T9890]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  512.771410][ T9890]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  512.771412][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771413][ T9890]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.771414][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771416][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771417][ T9890]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  512.771420][ T9890]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  512.771421][ T9890]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  512.771424][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771425][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771426][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771427][ T9890]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  512.771429][ T9890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  512.771430][ T9890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  512.771432][ T9890]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  512.771433][ T9890]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  512.771437][ T9890]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  512.771440][ T9890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  512.771441][ T9890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  512.771443][ T9890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  512.771444][ T9890]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  512.771447][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771448][ T9890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  512.771450][ T9890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  512.771452][ T9890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  512.771454][ T9890]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  512.771457][ T9890]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  512.771460][ T9890]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  512.771462][ T9890]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  512.771464][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771465][ T9890]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  512.771469][ T9890]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  512.771472][ T9890]  ____sys_sendmsg (net/socket.c:2713)
[  512.771473][ T9890]  ? copy_msghdr_from_user (net/socket.c:2650)
[  512.771475][ T9890]  ? sock_write_iter (net/socket.c:1269)
[  512.771476][ T9890]  ? move_addr_to_kernel (net/socket.c:258)
[  512.771478][ T9890]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  512.771481][ T9890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  512.771483][ T9890]  ___sys_sendmsg (net/socket.c:2767)
[  512.771484][ T9890]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  512.771486][ T9890]  ? copy_msghdr_from_user (net/socket.c:2619)
[  512.771488][ T9890]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  512.771492][ T9890]  __sys_sendmsg (net/socket.c:2799)
[  512.771494][ T9890]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  512.771499][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771500][ T9890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  512.771502][ T9890]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  512.771504][ T9890]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  512.771506][ T9890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  512.771508][ T9890] RIP: 0033:0x7f1cb250554e
[  512.771510][ T9890] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  512.771512][ T9890] RSP: 002b:00007ffdc85c9630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  512.771516][ T9890] RAX: ffffffffffffffda RBX: 00007ffdc85c9df8 RCX: 00007f1cb250554e
[  512.771517][ T9890] RDX: 0000000000000000 RSI: 00007ffdc85c96e0 RDI: 0000000000000005
[  512.771518][ T9890] RBP: 00007ffdc85c9640 R08: 0000000000000000 R09: 0000000000000000
[  512.771519][ T9890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111c6
[  512.771520][ T9890] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc85c9db0
| [  519.592357][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  519.592360][   T12] Preemption disabled at:
| [  519.592360][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  519.592372][   T12] Tainted: [W]=WARN
[  519.592373][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  519.592374][   T12] Workqueue: netns cleanup_net
[  519.592380][   T12] Call Trace:
[  519.592381][   T12]  <TASK>
[  519.592383][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  519.592388][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  519.592389][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  519.592393][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  519.592395][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  519.592399][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592402][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  519.592405][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  519.592409][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.592414][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  519.592415][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  519.592418][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  519.592420][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  519.592422][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  519.592424][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  519.592429][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  519.592431][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  519.592433][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  519.592435][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592438][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  519.592441][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  519.592443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592447][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.592449][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  519.592451][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  519.592454][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  519.592457][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  519.592459][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.592461][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  519.592463][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592464][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  519.592465][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  519.592467][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  519.592468][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  519.592471][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  519.592472][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  519.592474][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  519.592475][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  519.592477][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  519.592480][   T12]  ? kthread (kernel/kthread.c:436)
[  519.592482][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  519.592485][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  519.592488][   T12]  _printk (kernel/printk/printk.c:2504)
[  519.592491][   T12]  ? snapshot_read.cold (user.c:?)
[  519.592493][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  519.592500][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  519.592503][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  519.592505][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  519.592507][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592509][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  519.592510][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  519.592513][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  519.592515][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  519.592516][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  519.592519][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  519.592522][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  519.592526][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  519.592528][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  519.592530][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  519.592533][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  519.592535][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  519.592538][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  519.592540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  519.592542][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  519.592544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  519.592546][   T12]  process_one_work (kernel/workqueue.c:3387)
[  519.592549][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  519.592552][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  519.592554][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  519.592557][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  519.592559][   T12]  kthread (kernel/kthread.c:436)
[  519.592561][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  519.592563][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  519.592565][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  519.592567][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  519.592569][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  519.592572][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  519.592574][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  520.798588][T10054] softirqs last disabled at (0): 0x0
| [  520.798590][T10054] Preemption disabled at:
| [  520.798591][T10054] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.798600][T10054] Tainted: [W]=WARN
[  520.798601][T10054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.798603][T10054] Call Trace:
[  520.798604][T10054]  <TASK>
[  520.798605][T10054]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.798611][T10054]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.798612][T10054]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.798616][T10054]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  520.798618][T10054]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.798621][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798624][T10054]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  520.798626][T10054]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.798629][T10054]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.798641][T10054]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  520.798643][T10054]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.798645][T10054]  put_chars (drivers/char/virtio_console.c:1176)
[  520.798647][T10054]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.798649][T10054]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  520.798651][T10054]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.798656][T10054]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.798657][T10054]  ? vsnprintf (lib/vsprintf.c:2900)
[  520.798661][T10054]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.798662][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798663][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798665][T10054]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.798668][T10054]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.798670][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798671][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798672][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798673][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798676][T10054]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  520.798678][T10054]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.798680][T10054]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.798683][T10054]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.798684][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798686][T10054]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.798688][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798689][T10054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.798690][T10054]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  520.798692][T10054]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  520.798693][T10054]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.798695][T10054]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.798697][T10054]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.798698][T10054]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.798699][T10054]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.798701][T10054]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.798704][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798705][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798707][T10054]  _printk (kernel/printk/printk.c:2504)
[  520.798710][T10054]  ? snapshot_read.cold (user.c:?)
[  520.798712][T10054]  ? br_multicast_flood (??:?)
[  520.798715][T10054]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.798718][T10054]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.798719][T10054]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.798720][T10054]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  520.798723][T10054]  br_init_port (net/bridge/br_stp_if.c:39)
[  520.798725][T10054]  new_nbp (net/bridge/br_if.c:449)
[  520.798727][T10054]  br_add_if (net/bridge/br_if.c:592)
[  520.798729][T10054]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  520.798733][T10054]  do_set_master (net/core/rtnetlink.c:3071)
[  520.798735][T10054]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.798736][T10054]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  520.798738][T10054]  ? __dev_get_by_name (net/core/dev.c:905)
[  520.798740][T10054]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  520.798743][T10054]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.798746][T10054]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.798748][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798749][T10054]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.798751][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798752][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798753][T10054]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  520.798756][T10054]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  520.798758][T10054]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  520.798760][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798761][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798762][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798764][T10054]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.798765][T10054]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.798767][T10054]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.798768][T10054]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.798769][T10054]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  520.798773][T10054]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.798776][T10054]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.798777][T10054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.798779][T10054]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.798780][T10054]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  520.798783][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798784][T10054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.798787][T10054]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.798789][T10054]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.798791][T10054]  ? next_uptodate_folio (mm/filemap.c:3747)
[  520.798794][T10054]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.798796][T10054]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.798798][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798799][T10054]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.798803][T10054]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.798805][T10054]  ____sys_sendmsg (net/socket.c:2713)
[  520.798807][T10054]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.798809][T10054]  ? sock_write_iter (net/socket.c:1269)
[  520.798810][T10054]  ? move_addr_to_kernel (net/socket.c:258)
[  520.798813][T10054]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  520.798815][T10054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.798817][T10054]  ___sys_sendmsg (net/socket.c:2767)
[  520.798818][T10054]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  520.798820][T10054]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.798822][T10054]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  520.798826][T10054]  __sys_sendmsg (net/socket.c:2799)
[  520.798829][T10054]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.798831][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798832][T10054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.798834][T10054]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.798836][T10054]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.798838][T10054]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.798840][T10054] RIP: 0033:0x7f558ad8554e
[  520.798842][T10054] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  520.798845][T10054] RSP: 002b:00007ffd6a3b5000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.798848][T10054] RAX: ffffffffffffffda RBX: 00007ffd6a3b57c8 RCX: 00007f558ad8554e
[  520.798850][T10054] RDX: 0000000000000000 RSI: 00007ffd6a3b50b0 RDI: 0000000000000005
[  520.798851][T10054] RBP: 00007ffd6a3b5010 R08: 0000000000000000 R09: 0000000000000000
[  520.798852][T10054] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ce
[  520.798853][T10054] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6a3b5780
| [  522.077582][T10123] softirqs last disabled at (0): 0x0
| [  522.077584][T10123] Preemption disabled at:
| [  522.077585][T10123] vprintk_emit (kernel/printk/printk.c:2471)
| [  522.077595][T10123] Tainted: [W]=WARN
[  522.077596][T10123] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  522.077597][T10123] Call Trace:
[  522.077599][T10123]  <TASK>
[  522.077600][T10123]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  522.077606][T10123]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  522.077607][T10123]  __might_resched.cold (kernel/sched/core.c:9234)
[  522.077611][T10123]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  522.077615][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077617][T10123]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  522.077620][T10123]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.077623][T10123]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.077628][T10123]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  522.077630][T10123]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.077633][T10123]  put_chars (drivers/char/virtio_console.c:1176)
[  522.077634][T10123]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  522.077635][T10123]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  522.077638][T10123]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  522.077646][T10123]  ? pointer (lib/vsprintf.c:2577)
[  522.077650][T10123]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  522.077655][T10123]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  522.077657][T10123]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.077659][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077661][T10123]  console_emit_next_record (kernel/printk/printk.c:3183)
[  522.077664][T10123]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  522.077666][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077667][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077668][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077669][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077671][T10123]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  522.077673][T10123]  console_flush_one_record (kernel/printk/printk.c:3268)
[  522.077676][T10123]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  522.077678][T10123]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  522.077680][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077682][T10123]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  522.077684][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077685][T10123]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.077686][T10123]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  522.077688][T10123]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  522.077689][T10123]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  522.077691][T10123]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  522.077693][T10123]  vprintk_emit (kernel/printk/printk.c:2479)
[  522.077695][T10123]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  522.077696][T10123]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  522.077698][T10123]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  522.077702][T10123]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  522.077704][T10123]  _printk (kernel/printk/printk.c:2504)
[  522.077707][T10123]  ? snapshot_read.cold (user.c:?)
[  522.077709][T10123]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  522.077711][T10123]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  522.077715][T10123]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  522.077717][T10123]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  522.077720][T10123]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  522.077722][T10123]  ? netdev_notice (net/core/dev.c:13194)
[  522.077724][T10123]  ? 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)
[  522.077726][T10123]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  522.077729][T10123]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.077730][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077731][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077732][T10123]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  522.077734][T10123]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  522.077735][T10123]  ? 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)
[  522.077737][T10123]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  522.077738][T10123]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  522.077740][T10123]  ? register_netdev (net/core/dev.c:11618)
[  522.077741][T10123]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.077743][T10123]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  522.077746][T10123]  ? __kernel_text_address (kernel/extable.c:79)
[  522.077748][T10123]  ? write_profile (profile.c:?)
[  522.077751][T10123]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  522.077754][T10123]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  522.077756][T10123]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  522.077758][T10123]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  522.077759][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077760][T10123]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  522.077763][T10123]  ? kasan_save_stack (mm/kasan/common.c:58)
[  522.077765][T10123]  ? kasan_save_stack (mm/kasan/common.c:57)
[  522.077766][T10123]  ? kasan_save_track (mm/kasan/common.c:78)
[  522.077767][T10123]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  522.077768][T10123]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  522.077770][T10123]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  522.077771][T10123]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  522.077772][T10123]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  522.077775][T10123]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  522.077776][T10123]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  522.077778][T10123]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  522.077780][T10123]  ? ____sys_sendmsg (net/socket.c:2713)
[  522.077782][T10123]  ? ___sys_sendmsg (net/socket.c:2767)
[  522.077783][T10123]  ? __sys_sendmsg (net/socket.c:2799)
[  522.077785][T10123]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  522.077787][T10123]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.077790][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077791][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077793][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077794][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077795][T10123]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  522.077797][T10123]  ? __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)
[  522.077798][T10123]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  522.077799][T10123]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  522.077800][T10123]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  522.077801][T10123]  ? nla_get_range_signed (lib/nlattr.c:270)
[  522.077805][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077806][T10123]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  522.077808][T10123]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.077810][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077811][T10123]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.077813][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077814][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077816][T10123]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  522.077818][T10123]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  522.077819][T10123]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  522.077821][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077822][T10123]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  522.077825][T10123]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  522.077828][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077829][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077831][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077832][T10123]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.077833][T10123]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  522.077835][T10123]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.077836][T10123]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.077838][T10123]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  522.077840][T10123]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  522.077842][T10123]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.077843][T10123]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.077845][T10123]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  522.077846][T10123]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  522.077849][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077851][T10123]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.077853][T10123]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  522.077855][T10123]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  522.077857][T10123]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.077859][T10123]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  522.077861][T10123]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  522.077862][T10123]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  522.077864][T10123]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.077866][T10123]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  522.077869][T10123]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  522.077870][T10123]  ____sys_sendmsg (net/socket.c:2713)
[  522.077872][T10123]  ? copy_msghdr_from_user (net/socket.c:2650)
[  522.077874][T10123]  ? sock_write_iter (net/socket.c:1269)
[  522.077875][T10123]  ? move_addr_to_kernel (net/socket.c:258)
[  522.077877][T10123]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.077879][T10123]  ___sys_sendmsg (net/socket.c:2767)
[  522.077881][T10123]  ? copy_msghdr_from_user (net/socket.c:2619)
[  522.077886][T10123]  __sys_sendmsg (net/socket.c:2799)
[  522.077888][T10123]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  522.077891][T10123]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.077892][T10123]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  522.077894][T10123]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  522.077896][T10123]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.077897][T10123] RIP: 0033:0x7f29b50bf54e
[  522.077899][T10123] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  522.077901][T10123] RSP: 002b:00007ffcd9028730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  522.077905][T10123] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f29b50bf54e
[  522.077906][T10123] RDX: 0000000000000000 RSI: 00007ffcd90287e0 RDI: 0000000000000005
[  522.077907][T10123] RBP: 00007ffcd9028740 R08: 0000000000000000 R09: 0000000000000000
[  522.077908][T10123] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111cf
[  522.077909][T10123] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd9028ea0
| [  523.157758][T10180] softirqs last disabled at (0): 0x0
| [  523.157760][T10180] Preemption disabled at:
| [  523.157761][T10180] vprintk_emit (kernel/printk/printk.c:2471)
| [  523.157771][T10180] Tainted: [W]=WARN
[  523.157772][T10180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  523.157774][T10180] Call Trace:
[  523.157775][T10180]  <TASK>
[  523.157776][T10180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  523.157782][T10180]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  523.157783][T10180]  __might_resched.cold (kernel/sched/core.c:9234)
[  523.157787][T10180]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  523.157789][T10180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  523.157793][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157795][T10180]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  523.157798][T10180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  523.157801][T10180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.157806][T10180]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  523.157808][T10180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  523.157811][T10180]  put_chars (drivers/char/virtio_console.c:1176)
[  523.157813][T10180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  523.157814][T10180]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  523.157817][T10180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  523.157821][T10180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  523.157823][T10180]  ? vsnprintf (lib/vsprintf.c:2900)
[  523.157826][T10180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  523.157828][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157829][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157831][T10180]  console_emit_next_record (kernel/printk/printk.c:3183)
[  523.157833][T10180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  523.157836][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157837][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157838][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157839][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157841][T10180]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  523.157843][T10180]  console_flush_one_record (kernel/printk/printk.c:3268)
[  523.157845][T10180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  523.157848][T10180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  523.157850][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157852][T10180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  523.157853][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157854][T10180]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.157856][T10180]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  523.157857][T10180]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  523.157859][T10180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  523.157861][T10180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  523.157862][T10180]  vprintk_emit (kernel/printk/printk.c:2479)
[  523.157864][T10180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  523.157865][T10180]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  523.157867][T10180]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  523.157870][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157871][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157873][T10180]  _printk (kernel/printk/printk.c:2504)
[  523.157875][T10180]  ? snapshot_read.cold (user.c:?)
[  523.157877][T10180]  ? br_multicast_flood (??:?)
[  523.157881][T10180]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  523.157884][T10180]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  523.157885][T10180]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  523.157886][T10180]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  523.157889][T10180]  br_init_port (net/bridge/br_stp_if.c:39)
[  523.157891][T10180]  new_nbp (net/bridge/br_if.c:449)
[  523.157893][T10180]  br_add_if (net/bridge/br_if.c:592)
[  523.157895][T10180]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  523.157899][T10180]  do_set_master (net/core/rtnetlink.c:3071)
[  523.157901][T10180]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  523.157903][T10180]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  523.157904][T10180]  ? __dev_get_by_name (net/core/dev.c:905)
[  523.157906][T10180]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  523.157910][T10180]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  523.157912][T10180]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  523.157914][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157916][T10180]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.157917][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157919][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157920][T10180]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  523.157923][T10180]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  523.157924][T10180]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  523.157927][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157928][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157929][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157931][T10180]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  523.157932][T10180]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  523.157934][T10180]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  523.157935][T10180]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  523.157937][T10180]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  523.157940][T10180]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  523.157943][T10180]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  523.157944][T10180]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.157946][T10180]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  523.157948][T10180]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  523.157951][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.157952][T10180]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  523.157954][T10180]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  523.157956][T10180]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  523.157958][T10180]  ? next_uptodate_folio (mm/filemap.c:3747)
[  523.157961][T10180]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  523.157963][T10180]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  523.157965][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157966][T10180]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  523.157970][T10180]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  523.157972][T10180]  ____sys_sendmsg (net/socket.c:2713)
[  523.157974][T10180]  ? copy_msghdr_from_user (net/socket.c:2650)
[  523.157976][T10180]  ? sock_write_iter (net/socket.c:1269)
[  523.157977][T10180]  ? move_addr_to_kernel (net/socket.c:258)
[  523.157980][T10180]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  523.157982][T10180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  523.157984][T10180]  ___sys_sendmsg (net/socket.c:2767)
[  523.157985][T10180]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  523.157987][T10180]  ? copy_msghdr_from_user (net/socket.c:2619)
[  523.157989][T10180]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  523.157994][T10180]  __sys_sendmsg (net/socket.c:2799)
[  523.157996][T10180]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  523.157998][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.158000][T10180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  523.158001][T10180]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  523.158004][T10180]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  523.158006][T10180]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  523.158008][T10180] RIP: 0033:0x7ff0c4c6b54e
[  523.158010][T10180] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  523.158012][T10180] RSP: 002b:00007fffbd733c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  523.158015][T10180] RAX: ffffffffffffffda RBX: 00007fffbd7343f8 RCX: 00007ff0c4c6b54e
[  523.158017][T10180] RDX: 0000000000000000 RSI: 00007fffbd733ce0 RDI: 0000000000000005
[  523.158018][T10180] RBP: 00007fffbd733c40 R08: 0000000000000000 R09: 0000000000000000
[  523.158018][T10180] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111d0
[  523.158019][T10180] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbd7343b0
| [  529.936588][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  529.936590][   T12] Preemption disabled at:
| [  529.936591][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  529.936602][   T12] Tainted: [W]=WARN
[  529.936603][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  529.936604][   T12] Workqueue: netns cleanup_net
[  529.936610][   T12] Call Trace:
[  529.936611][   T12]  <TASK>
[  529.936613][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  529.936619][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  529.936621][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  529.936624][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  529.936626][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  529.936630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936633][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  529.936636][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.936639][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.936644][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  529.936646][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.936648][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  529.936650][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  529.936652][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  529.936654][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  529.936659][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  529.936661][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  529.936663][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.936665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936671][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936673][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  529.936676][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  529.936678][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936681][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.936684][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  529.936686][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  529.936688][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  529.936691][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  529.936693][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.936695][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  529.936697][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936698][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  529.936699][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  529.936701][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  529.936702][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  529.936704][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  529.936706][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  529.936708][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  529.936709][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  529.936710][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  529.936713][   T12]  ? kthread (kernel/kthread.c:436)
[  529.936715][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  529.936718][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  529.936721][   T12]  _printk (kernel/printk/printk.c:2504)
[  529.936724][   T12]  ? snapshot_read.cold (user.c:?)
[  529.936726][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  529.936730][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  529.936732][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  529.936734][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  529.936737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936738][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  529.936739][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  529.936742][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  529.936744][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  529.936745][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  529.936748][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  529.936751][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  529.936755][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  529.936757][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  529.936759][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  529.936762][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  529.936764][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  529.936767][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  529.936768][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  529.936771][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.936772][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.936774][   T12]  process_one_work (kernel/workqueue.c:3387)
[  529.936777][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  529.936780][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.936782][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  529.936785][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  529.936787][   T12]  kthread (kernel/kthread.c:436)
[  529.936789][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  529.936791][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  529.936793][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  529.936794][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  529.936797][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  529.936800][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  529.936802][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  531.162074][T10342] softirqs last disabled at (0): 0x0
| [  531.162076][T10342] Preemption disabled at:
| [  531.162077][T10342] vprintk_emit (kernel/printk/printk.c:2471)
| [  531.162087][T10342] Tainted: [W]=WARN
[  531.162088][T10342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  531.162090][T10342] Call Trace:
[  531.162092][T10342]  <TASK>
[  531.162093][T10342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  531.162099][T10342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  531.162100][T10342]  __might_resched.cold (kernel/sched/core.c:9234)
[  531.162104][T10342]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  531.162106][T10342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  531.162109][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162112][T10342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  531.162115][T10342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.162118][T10342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.162123][T10342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  531.162125][T10342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  531.162127][T10342]  put_chars (drivers/char/virtio_console.c:1176)
[  531.162129][T10342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  531.162131][T10342]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  531.162133][T10342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  531.162138][T10342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  531.162140][T10342]  ? vsnprintf (lib/vsprintf.c:2900)
[  531.162143][T10342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.162145][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162146][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162147][T10342]  console_emit_next_record (kernel/printk/printk.c:3183)
[  531.162150][T10342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  531.162152][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162153][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162154][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162155][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162158][T10342]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  531.162159][T10342]  console_flush_one_record (kernel/printk/printk.c:3268)
[  531.162162][T10342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  531.162165][T10342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  531.162166][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162168][T10342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  531.162170][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162171][T10342]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.162172][T10342]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  531.162174][T10342]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  531.162175][T10342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  531.162177][T10342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  531.162179][T10342]  vprintk_emit (kernel/printk/printk.c:2479)
[  531.162180][T10342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  531.162182][T10342]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  531.162183][T10342]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  531.162186][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162188][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162189][T10342]  _printk (kernel/printk/printk.c:2504)
[  531.162192][T10342]  ? snapshot_read.cold (user.c:?)
[  531.162194][T10342]  ? br_multicast_flood (??:?)
[  531.162198][T10342]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  531.162200][T10342]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  531.162202][T10342]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  531.162203][T10342]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  531.162206][T10342]  br_init_port (net/bridge/br_stp_if.c:39)
[  531.162208][T10342]  new_nbp (net/bridge/br_if.c:449)
[  531.162210][T10342]  br_add_if (net/bridge/br_if.c:592)
[  531.162212][T10342]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  531.162216][T10342]  do_set_master (net/core/rtnetlink.c:3071)
[  531.162218][T10342]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  531.162220][T10342]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  531.162221][T10342]  ? __dev_get_by_name (net/core/dev.c:905)
[  531.162223][T10342]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  531.162227][T10342]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  531.162229][T10342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  531.162231][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162232][T10342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  531.162233][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162235][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162236][T10342]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  531.162239][T10342]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  531.162240][T10342]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  531.162243][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162244][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162246][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162247][T10342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  531.162248][T10342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  531.162250][T10342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  531.162251][T10342]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  531.162253][T10342]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  531.162256][T10342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  531.162259][T10342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  531.162261][T10342]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.162262][T10342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  531.162264][T10342]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  531.162267][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162268][T10342]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  531.162270][T10342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  531.162273][T10342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  531.162275][T10342]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  531.162277][T10342]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  531.162280][T10342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  531.162282][T10342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  531.162284][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162285][T10342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  531.162289][T10342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  531.162292][T10342]  ____sys_sendmsg (net/socket.c:2713)
[  531.162293][T10342]  ? copy_msghdr_from_user (net/socket.c:2650)
[  531.162295][T10342]  ? sock_write_iter (net/socket.c:1269)
[  531.162296][T10342]  ? move_addr_to_kernel (net/socket.c:258)
[  531.162299][T10342]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  531.162301][T10342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  531.162303][T10342]  ___sys_sendmsg (net/socket.c:2767)
[  531.162305][T10342]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  531.162306][T10342]  ? copy_msghdr_from_user (net/socket.c:2619)
[  531.162308][T10342]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  531.162312][T10342]  __sys_sendmsg (net/socket.c:2799)
[  531.162315][T10342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  531.162317][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162318][T10342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  531.162320][T10342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  531.162322][T10342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  531.162324][T10342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  531.162326][T10342] RIP: 0033:0x7f04fc0ff54e
[  531.162328][T10342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  531.162330][T10342] RSP: 002b:00007ffe81f9d900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  531.162334][T10342] RAX: ffffffffffffffda RBX: 00007ffe81f9e0c8 RCX: 00007f04fc0ff54e
[  531.162335][T10342] RDX: 0000000000000000 RSI: 00007ffe81f9d9b0 RDI: 0000000000000005
[  531.162336][T10342] RBP: 00007ffe81f9d910 R08: 0000000000000000 R09: 0000000000000000
[  531.162337][T10342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111d8
[  531.162338][T10342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe81f9e080
| [  532.450817][T10410] softirqs last disabled at (0): 0x0
| [  532.450819][T10410] Preemption disabled at:
| [  532.450820][T10410] vprintk_emit (kernel/printk/printk.c:2471)
| [  532.450829][T10410] Tainted: [W]=WARN
[  532.450830][T10410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.450832][T10410] Call Trace:
[  532.450834][T10410]  <TASK>
[  532.450835][T10410]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  532.450841][T10410]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  532.450842][T10410]  __might_resched.cold (kernel/sched/core.c:9234)
[  532.450846][T10410]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  532.450850][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450852][T10410]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  532.450855][T10410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.450858][T10410]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.450863][T10410]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  532.450865][T10410]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.450868][T10410]  put_chars (drivers/char/virtio_console.c:1176)
[  532.450870][T10410]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  532.450871][T10410]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  532.450873][T10410]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  532.450875][T10410]  ? pointer (lib/vsprintf.c:2577)
[  532.450879][T10410]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  532.450884][T10410]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  532.450886][T10410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.450888][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.450890][T10410]  console_emit_next_record (kernel/printk/printk.c:3183)
[  532.450893][T10410]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  532.450895][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450896][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450897][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450898][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.450901][T10410]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  532.450902][T10410]  console_flush_one_record (kernel/printk/printk.c:3268)
[  532.450905][T10410]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  532.450908][T10410]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  532.450910][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.450912][T10410]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  532.450914][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450915][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.450917][T10410]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  532.450918][T10410]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  532.450920][T10410]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  532.450922][T10410]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  532.450923][T10410]  vprintk_emit (kernel/printk/printk.c:2479)
[  532.450925][T10410]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  532.450927][T10410]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  532.450929][T10410]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  532.450932][T10410]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  532.450935][T10410]  _printk (kernel/printk/printk.c:2504)
[  532.450938][T10410]  ? snapshot_read.cold (user.c:?)
[  532.450940][T10410]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  532.450942][T10410]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  532.450946][T10410]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  532.450948][T10410]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  532.450951][T10410]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  532.450953][T10410]  ? netdev_notice (net/core/dev.c:13194)
[  532.450956][T10410]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  532.450957][T10410]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  532.450960][T10410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.450962][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450963][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450964][T10410]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  532.450965][T10410]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  532.450967][T10410]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  532.450968][T10410]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  532.450970][T10410]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  532.450972][T10410]  ? register_netdev (net/core/dev.c:11618)
[  532.450973][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.450975][T10410]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  532.450978][T10410]  ? __kernel_text_address (kernel/extable.c:79)
[  532.450980][T10410]  ? write_profile (profile.c:?)
[  532.450983][T10410]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  532.450987][T10410]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  532.450989][T10410]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  532.450991][T10410]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  532.450992][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.450993][T10410]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.450997][T10410]  ? kasan_save_stack (mm/kasan/common.c:58)
[  532.450999][T10410]  ? kasan_save_stack (mm/kasan/common.c:57)
[  532.451000][T10410]  ? kasan_save_track (mm/kasan/common.c:78)
[  532.451001][T10410]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  532.451002][T10410]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  532.451004][T10410]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  532.451005][T10410]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.451006][T10410]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.451009][T10410]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.451011][T10410]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.451012][T10410]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.451015][T10410]  ? ____sys_sendmsg (net/socket.c:2713)
[  532.451016][T10410]  ? ___sys_sendmsg (net/socket.c:2767)
[  532.451018][T10410]  ? __sys_sendmsg (net/socket.c:2799)
[  532.451020][T10410]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.451022][T10410]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.451025][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451026][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.451028][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451029][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451030][T10410]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  532.451031][T10410]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  532.451033][T10410]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  532.451034][T10410]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  532.451036][T10410]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  532.451037][T10410]  ? nla_get_range_signed (lib/nlattr.c:270)
[  532.451040][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451042][T10410]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  532.451044][T10410]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.451046][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451047][T10410]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.451048][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.451050][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451052][T10410]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  532.451054][T10410]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  532.451055][T10410]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  532.451057][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451058][T10410]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  532.451062][T10410]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  532.451064][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451065][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.451067][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451068][T10410]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.451069][T10410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.451071][T10410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.451073][T10410]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.451074][T10410]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.451077][T10410]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.451078][T10410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.451080][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.451082][T10410]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  532.451083][T10410]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  532.451086][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451088][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.451090][T10410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.451092][T10410]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  532.451094][T10410]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.451096][T10410]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.451098][T10410]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  532.451100][T10410]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  532.451102][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.451103][T10410]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  532.451107][T10410]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.451109][T10410]  ____sys_sendmsg (net/socket.c:2713)
[  532.451110][T10410]  ? copy_msghdr_from_user (net/socket.c:2650)
[  532.451112][T10410]  ? sock_write_iter (net/socket.c:1269)
[  532.451114][T10410]  ? move_addr_to_kernel (net/socket.c:258)
[  532.451115][T10410]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.451118][T10410]  ___sys_sendmsg (net/socket.c:2767)
[  532.451120][T10410]  ? copy_msghdr_from_user (net/socket.c:2619)
[  532.451125][T10410]  __sys_sendmsg (net/socket.c:2799)
[  532.451127][T10410]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  532.451130][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.451132][T10410]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.451133][T10410]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  532.451135][T10410]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.451137][T10410] RIP: 0033:0x7feb4bf9954e
[  532.451139][T10410] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  532.451141][T10410] RSP: 002b:00007ffd97823d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  532.451145][T10410] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007feb4bf9954e
[  532.451146][T10410] RDX: 0000000000000000 RSI: 00007ffd97823de0 RDI: 0000000000000005
[  532.451147][T10410] RBP: 00007ffd97823d40 R08: 0000000000000000 R09: 0000000000000000
[  532.451148][T10410] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111d9
[  532.451149][T10410] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd978244a0
| [  533.532496][T10469] softirqs last disabled at (0): 0x0
| [  533.532500][T10469] Preemption disabled at:
| [  533.532501][T10469] vprintk_emit (kernel/printk/printk.c:2471)
| [  533.532511][T10469] Tainted: [W]=WARN
[  533.532512][T10469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  533.532514][T10469] Call Trace:
[  533.532516][T10469]  <TASK>
[  533.532517][T10469]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  533.532522][T10469]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  533.532524][T10469]  __might_resched.cold (kernel/sched/core.c:9234)
[  533.532528][T10469]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  533.532530][T10469]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  533.532533][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532536][T10469]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  533.532539][T10469]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  533.532542][T10469]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.532547][T10469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  533.532548][T10469]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  533.532551][T10469]  put_chars (drivers/char/virtio_console.c:1176)
[  533.532553][T10469]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  533.532554][T10469]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  533.532557][T10469]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  533.532561][T10469]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  533.532563][T10469]  ? vsnprintf (lib/vsprintf.c:2900)
[  533.532567][T10469]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  533.532568][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532569][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532571][T10469]  console_emit_next_record (kernel/printk/printk.c:3183)
[  533.532574][T10469]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  533.532576][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532577][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532578][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532579][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532582][T10469]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  533.532584][T10469]  console_flush_one_record (kernel/printk/printk.c:3268)
[  533.532586][T10469]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  533.532589][T10469]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  533.532591][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532592][T10469]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  533.532594][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532595][T10469]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  533.532597][T10469]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  533.532598][T10469]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  533.532600][T10469]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  533.532602][T10469]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  533.532603][T10469]  vprintk_emit (kernel/printk/printk.c:2479)
[  533.532605][T10469]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  533.532606][T10469]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  533.532608][T10469]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  533.532610][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532612][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532613][T10469]  _printk (kernel/printk/printk.c:2504)
[  533.532616][T10469]  ? snapshot_read.cold (user.c:?)
[  533.532618][T10469]  ? br_multicast_flood (??:?)
[  533.532622][T10469]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  533.532624][T10469]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  533.532625][T10469]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  533.532627][T10469]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  533.532630][T10469]  br_init_port (net/bridge/br_stp_if.c:39)
[  533.532632][T10469]  new_nbp (net/bridge/br_if.c:449)
[  533.532634][T10469]  br_add_if (net/bridge/br_if.c:592)
[  533.532636][T10469]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  533.532640][T10469]  do_set_master (net/core/rtnetlink.c:3071)
[  533.532642][T10469]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  533.532644][T10469]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  533.532645][T10469]  ? __dev_get_by_name (net/core/dev.c:905)
[  533.532647][T10469]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  533.532651][T10469]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  533.532653][T10469]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  533.532655][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532656][T10469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.532658][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532659][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532661][T10469]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  533.532663][T10469]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  533.532665][T10469]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  533.532668][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532669][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532670][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532671][T10469]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  533.532673][T10469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  533.532674][T10469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.532676][T10469]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  533.532677][T10469]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  533.532685][T10469]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  533.532688][T10469]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  533.532690][T10469]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  533.532691][T10469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  533.532693][T10469]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  533.532696][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532697][T10469]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  533.532699][T10469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  533.532702][T10469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  533.532703][T10469]  ? next_uptodate_folio (mm/filemap.c:3747)
[  533.532706][T10469]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  533.532709][T10469]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  533.532711][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532712][T10469]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  533.532715][T10469]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  533.532718][T10469]  ____sys_sendmsg (net/socket.c:2713)
[  533.532720][T10469]  ? copy_msghdr_from_user (net/socket.c:2650)
[  533.532722][T10469]  ? sock_write_iter (net/socket.c:1269)
[  533.532723][T10469]  ? move_addr_to_kernel (net/socket.c:258)
[  533.532726][T10469]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  533.532728][T10469]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  533.532730][T10469]  ___sys_sendmsg (net/socket.c:2767)
[  533.532731][T10469]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  533.532733][T10469]  ? copy_msghdr_from_user (net/socket.c:2619)
[  533.532735][T10469]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  533.532739][T10469]  __sys_sendmsg (net/socket.c:2799)
[  533.532741][T10469]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  533.532744][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532745][T10469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  533.532747][T10469]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  533.532749][T10469]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  533.532751][T10469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  533.532753][T10469] RIP: 0033:0x7f54c8ac154e
[  533.532755][T10469] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  533.532757][T10469] RSP: 002b:00007ffcb61bc390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  533.532761][T10469] RAX: ffffffffffffffda RBX: 00007ffcb61bcb58 RCX: 00007f54c8ac154e
[  533.532762][T10469] RDX: 0000000000000000 RSI: 00007ffcb61bc440 RDI: 0000000000000005
[  533.532763][T10469] RBP: 00007ffcb61bc3a0 R08: 0000000000000000 R09: 0000000000000000
[  533.532764][T10469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111da
[  533.532765][T10469] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb61bcb10
| [  540.309303][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  540.309305][   T12] Preemption disabled at:
| [  540.309306][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  540.309317][   T12] Tainted: [W]=WARN
[  540.309318][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  540.309319][   T12] Workqueue: netns cleanup_net
[  540.309325][   T12] Call Trace:
[  540.309327][   T12]  <TASK>
[  540.309328][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  540.309333][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  540.309335][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  540.309338][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  540.309340][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  540.309344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309346][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  540.309349][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.309352][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.309357][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  540.309359][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  540.309361][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  540.309363][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  540.309365][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  540.309367][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  540.309372][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  540.309374][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  540.309376][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.309378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309381][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  540.309383][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  540.309385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309386][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309388][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.309391][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  540.309393][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  540.309395][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  540.309398][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  540.309400][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.309401][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  540.309403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309404][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  540.309406][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  540.309407][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  540.309409][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  540.309411][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  540.309412][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  540.309414][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  540.309415][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  540.309416][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  540.309419][   T12]  ? kthread (kernel/kthread.c:436)
[  540.309421][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  540.309424][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  540.309426][   T12]  _printk (kernel/printk/printk.c:2504)
[  540.309429][   T12]  ? snapshot_read.cold (user.c:?)
[  540.309432][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  540.309435][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  540.309437][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  540.309439][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  540.309441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309443][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  540.309444][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  540.309447][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  540.309448][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  540.309450][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  540.309452][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  540.309454][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  540.309458][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  540.309461][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  540.309463][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  540.309465][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  540.309467][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  540.309470][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  540.309472][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  540.309474][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  540.309475][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  540.309477][   T12]  process_one_work (kernel/workqueue.c:3387)
[  540.309480][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  540.309482][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  540.309485][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  540.309488][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  540.309490][   T12]  kthread (kernel/kthread.c:436)
[  540.309491][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  540.309493][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  540.309495][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  540.309500][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  540.309502][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  540.309505][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  540.309507][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  541.466388][T10632] softirqs last disabled at (0): 0x0
| [  541.466390][T10632] Preemption disabled at:
| [  541.466391][T10632] vprintk_emit (kernel/printk/printk.c:2471)
| [  541.466401][T10632] Tainted: [W]=WARN
[  541.466402][T10632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  541.466404][T10632] Call Trace:
[  541.466405][T10632]  <TASK>
[  541.466406][T10632]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  541.466412][T10632]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  541.466414][T10632]  __might_resched.cold (kernel/sched/core.c:9234)
[  541.466417][T10632]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  541.466420][T10632]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  541.466423][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466426][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))
[  541.466429][T10632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.466432][T10632]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.466437][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)
[  541.466439][T10632]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.466441][T10632]  put_chars (drivers/char/virtio_console.c:1176)
[  541.466443][T10632]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  541.466445][T10632]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  541.466448][T10632]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  541.466452][T10632]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  541.466454][T10632]  ? vsnprintf (lib/vsprintf.c:2900)
[  541.466457][T10632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.466459][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466460][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466462][T10632]  console_emit_next_record (kernel/printk/printk.c:3183)
[  541.466465][T10632]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  541.466467][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466468][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466469][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466470][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466473][T10632]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  541.466475][T10632]  console_flush_one_record (kernel/printk/printk.c:3268)
[  541.466477][T10632]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  541.466480][T10632]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  541.466482][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466483][T10632]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  541.466485][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466486][T10632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  541.466488][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)
[  541.466489][T10632]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  541.466491][T10632]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  541.466493][T10632]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  541.466494][T10632]  vprintk_emit (kernel/printk/printk.c:2479)
[  541.466496][T10632]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  541.466499][T10632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.466501][T10632]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  541.466504][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466505][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466507][T10632]  _printk (kernel/printk/printk.c:2504)
[  541.466510][T10632]  ? snapshot_read.cold (user.c:?)
[  541.466512][T10632]  ? br_multicast_flood (??:?)
[  541.466515][T10632]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  541.466518][T10632]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  541.466519][T10632]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  541.466521][T10632]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  541.466523][T10632]  br_init_port (net/bridge/br_stp_if.c:39)
[  541.466525][T10632]  new_nbp (net/bridge/br_if.c:449)
[  541.466528][T10632]  br_add_if (net/bridge/br_if.c:592)
[  541.466529][T10632]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  541.466533][T10632]  do_set_master (net/core/rtnetlink.c:3071)
[  541.466535][T10632]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  541.466537][T10632]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  541.466539][T10632]  ? __dev_get_by_name (net/core/dev.c:905)
[  541.466540][T10632]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  541.466544][T10632]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  541.466547][T10632]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  541.466549][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466550][T10632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  541.466552][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466553][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466555][T10632]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  541.466557][T10632]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  541.466559][T10632]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  541.466561][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466563][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466564][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466565][T10632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  541.466567][T10632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  541.466569][T10632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  541.466570][T10632]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  541.466571][T10632]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  541.466575][T10632]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  541.466578][T10632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  541.466579][T10632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  541.466581][T10632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  541.466582][T10632]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  541.466586][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466587][T10632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  541.466589][T10632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  541.466591][T10632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  541.466593][T10632]  ? next_uptodate_folio (mm/filemap.c:3747)
[  541.466596][T10632]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  541.466598][T10632]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  541.466600][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466602][T10632]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  541.466605][T10632]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  541.466608][T10632]  ____sys_sendmsg (net/socket.c:2713)
[  541.466610][T10632]  ? copy_msghdr_from_user (net/socket.c:2650)
[  541.466612][T10632]  ? sock_write_iter (net/socket.c:1269)
[  541.466613][T10632]  ? move_addr_to_kernel (net/socket.c:258)
[  541.466615][T10632]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  541.466618][T10632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.466620][T10632]  ___sys_sendmsg (net/socket.c:2767)
[  541.466622][T10632]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  541.466623][T10632]  ? copy_msghdr_from_user (net/socket.c:2619)
[  541.466625][T10632]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  541.466630][T10632]  __sys_sendmsg (net/socket.c:2799)
[  541.466632][T10632]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  541.466634][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466636][T10632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.466637][T10632]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  541.466640][T10632]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  541.466642][T10632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  541.466644][T10632] RIP: 0033:0x7fe8b642754e
[  541.466646][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
[  541.466648][T10632] RSP: 002b:00007ffdf3984960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  541.466652][T10632] RAX: ffffffffffffffda RBX: 00007ffdf3985128 RCX: 00007fe8b642754e
[  541.466653][T10632] RDX: 0000000000000000 RSI: 00007ffdf3984a10 RDI: 0000000000000005
[  541.466654][T10632] RBP: 00007ffdf3984970 R08: 0000000000000000 R09: 0000000000000000
[  541.466655][T10632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111e2
[  541.466656][T10632] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf39850e0
| [  542.808388][T10701] softirqs last disabled at (0): 0x0
| [  542.808390][T10701] Preemption disabled at:
| [  542.808391][T10701] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.808401][T10701] Tainted: [W]=WARN
[  542.808402][T10701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.808404][T10701] Call Trace:
[  542.808405][T10701]  <TASK>
[  542.808406][T10701]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.808411][T10701]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.808413][T10701]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.808417][T10701]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.808420][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808423][T10701]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  542.808426][T10701]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.808429][T10701]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.808434][T10701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  542.808436][T10701]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.808438][T10701]  put_chars (drivers/char/virtio_console.c:1176)
[  542.808440][T10701]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.808441][T10701]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  542.808443][T10701]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  542.808445][T10701]  ? pointer (lib/vsprintf.c:2577)
[  542.808449][T10701]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.808453][T10701]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.808455][T10701]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.808457][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808459][T10701]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.808462][T10701]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.808464][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808465][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808466][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808467][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808469][T10701]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  542.808471][T10701]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.808473][T10701]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.808476][T10701]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.808478][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808479][T10701]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.808481][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808482][T10701]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.808483][T10701]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  542.808485][T10701]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  542.808486][T10701]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.808489][T10701]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.808490][T10701]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.808492][T10701]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.808493][T10701]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  542.808500][T10701]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  542.808503][T10701]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  542.808505][T10701]  _printk (kernel/printk/printk.c:2504)
[  542.808508][T10701]  ? snapshot_read.cold (user.c:?)
[  542.808510][T10701]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  542.808512][T10701]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  542.808515][T10701]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  542.808517][T10701]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.808520][T10701]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  542.808522][T10701]  ? netdev_notice (net/core/dev.c:13194)
[  542.808524][T10701]  ? 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)
[  542.808526][T10701]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  542.808528][T10701]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.808530][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808531][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808532][T10701]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  542.808533][T10701]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  542.808535][T10701]  ? 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)
[  542.808536][T10701]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.808538][T10701]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  542.808539][T10701]  ? register_netdev (net/core/dev.c:11618)
[  542.808541][T10701]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.808543][T10701]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  542.808545][T10701]  ? __kernel_text_address (kernel/extable.c:79)
[  542.808548][T10701]  ? write_profile (profile.c:?)
[  542.808550][T10701]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  542.808554][T10701]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  542.808556][T10701]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  542.808557][T10701]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  542.808558][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808559][T10701]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  542.808563][T10701]  ? kasan_save_stack (mm/kasan/common.c:58)
[  542.808565][T10701]  ? kasan_save_stack (mm/kasan/common.c:57)
[  542.808566][T10701]  ? kasan_save_track (mm/kasan/common.c:78)
[  542.808567][T10701]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  542.808568][T10701]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  542.808569][T10701]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  542.808570][T10701]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.808571][T10701]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.808574][T10701]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.808575][T10701]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.808577][T10701]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.808579][T10701]  ? ____sys_sendmsg (net/socket.c:2713)
[  542.808581][T10701]  ? ___sys_sendmsg (net/socket.c:2767)
[  542.808582][T10701]  ? __sys_sendmsg (net/socket.c:2799)
[  542.808584][T10701]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.808586][T10701]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.808588][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808589][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808591][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808592][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808593][T10701]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  542.808595][T10701]  ? __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)
[  542.808596][T10701]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  542.808597][T10701]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  542.808599][T10701]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  542.808600][T10701]  ? nla_get_range_signed (lib/nlattr.c:270)
[  542.808603][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808604][T10701]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  542.808606][T10701]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.808609][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808610][T10701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.808611][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808613][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808614][T10701]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  542.808616][T10701]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  542.808618][T10701]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  542.808619][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808620][T10701]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  542.808623][T10701]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  542.808625][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808626][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808628][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808629][T10701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.808630][T10701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.808632][T10701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.808633][T10701]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.808635][T10701]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  542.808637][T10701]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.808639][T10701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.808640][T10701]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.808642][T10701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.808644][T10701]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  542.808647][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808648][T10701]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.808650][T10701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.808652][T10701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.808654][T10701]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.808656][T10701]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.808658][T10701]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.808659][T10701]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  542.808661][T10701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.808662][T10701]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  542.808665][T10701]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.808667][T10701]  ____sys_sendmsg (net/socket.c:2713)
[  542.808669][T10701]  ? copy_msghdr_from_user (net/socket.c:2650)
[  542.808670][T10701]  ? sock_write_iter (net/socket.c:1269)
[  542.808672][T10701]  ? move_addr_to_kernel (net/socket.c:258)
[  542.808673][T10701]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.808676][T10701]  ___sys_sendmsg (net/socket.c:2767)
[  542.808678][T10701]  ? copy_msghdr_from_user (net/socket.c:2619)
[  542.808682][T10701]  __sys_sendmsg (net/socket.c:2799)
[  542.808684][T10701]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  542.808687][T10701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.808689][T10701]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.808690][T10701]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.808692][T10701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.808694][T10701] RIP: 0033:0x7f8b6d7f654e
[  542.808696][T10701] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  542.808698][T10701] RSP: 002b:00007ffe85be6ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  542.808701][T10701] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8b6d7f654e
[  542.808703][T10701] RDX: 0000000000000000 RSI: 00007ffe85be6c50 RDI: 0000000000000005
[  542.808704][T10701] RBP: 00007ffe85be6bb0 R08: 0000000000000000 R09: 0000000000000000
[  542.808705][T10701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111e4
[  542.808706][T10701] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85be7310
| [  543.879374][T10751] softirqs last disabled at (0): 0x0
| [  543.879375][T10751] Preemption disabled at:
| [  543.879376][T10751] vprintk_emit (kernel/printk/printk.c:2471)
| [  543.879386][T10751] Tainted: [W]=WARN
[  543.879387][T10751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  543.879389][T10751] Call Trace:
[  543.879391][T10751]  <TASK>
[  543.879392][T10751]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  543.879398][T10751]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  543.879399][T10751]  __might_resched.cold (kernel/sched/core.c:9234)
[  543.879403][T10751]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  543.879405][T10751]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  543.879409][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879412][T10751]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  543.879415][T10751]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.879418][T10751]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.879423][T10751]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  543.879425][T10751]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  543.879428][T10751]  put_chars (drivers/char/virtio_console.c:1176)
[  543.879430][T10751]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  543.879431][T10751]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  543.879434][T10751]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  543.879439][T10751]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  543.879441][T10751]  ? vsnprintf (lib/vsprintf.c:2900)
[  543.879444][T10751]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.879446][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879447][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879449][T10751]  console_emit_next_record (kernel/printk/printk.c:3183)
[  543.879452][T10751]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  543.879454][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879455][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879456][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879457][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879460][T10751]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  543.879462][T10751]  console_flush_one_record (kernel/printk/printk.c:3268)
[  543.879464][T10751]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  543.879467][T10751]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  543.879469][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879471][T10751]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  543.879472][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879473][T10751]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.879475][T10751]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  543.879477][T10751]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  543.879478][T10751]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  543.879480][T10751]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  543.879482][T10751]  vprintk_emit (kernel/printk/printk.c:2479)
[  543.879484][T10751]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  543.879485][T10751]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  543.879486][T10751]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.879489][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879491][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879492][T10751]  _printk (kernel/printk/printk.c:2504)
[  543.879495][T10751]  ? snapshot_read.cold (user.c:?)
[  543.879499][T10751]  ? br_multicast_flood (??:?)
[  543.879503][T10751]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  543.879506][T10751]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  543.879507][T10751]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.879509][T10751]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  543.879512][T10751]  br_init_port (net/bridge/br_stp_if.c:39)
[  543.879513][T10751]  new_nbp (net/bridge/br_if.c:449)
[  543.879516][T10751]  br_add_if (net/bridge/br_if.c:592)
[  543.879518][T10751]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  543.879522][T10751]  do_set_master (net/core/rtnetlink.c:3071)
[  543.879524][T10751]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  543.879525][T10751]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  543.879527][T10751]  ? __dev_get_by_name (net/core/dev.c:905)
[  543.879528][T10751]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  543.879533][T10751]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  543.879535][T10751]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  543.879537][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879539][T10751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.879540][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879541][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879543][T10751]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  543.879546][T10751]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  543.879548][T10751]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  543.879550][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879551][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879553][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879554][T10751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  543.879555][T10751]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  543.879557][T10751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.879559][T10751]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  543.879560][T10751]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  543.879564][T10751]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  543.879567][T10751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  543.879568][T10751]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.879570][T10751]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  543.879571][T10751]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  543.879574][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879576][T10751]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  543.879578][T10751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  543.879580][T10751]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  543.879582][T10751]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  543.879585][T10751]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  543.879587][T10751]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  543.879590][T10751]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  543.879592][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879593][T10751]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  543.879597][T10751]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  543.879599][T10751]  ____sys_sendmsg (net/socket.c:2713)
[  543.879601][T10751]  ? copy_msghdr_from_user (net/socket.c:2650)
[  543.879603][T10751]  ? sock_write_iter (net/socket.c:1269)
[  543.879604][T10751]  ? move_addr_to_kernel (net/socket.c:258)
[  543.879607][T10751]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  543.879609][T10751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  543.879611][T10751]  ___sys_sendmsg (net/socket.c:2767)
[  543.879613][T10751]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  543.879615][T10751]  ? copy_msghdr_from_user (net/socket.c:2619)
[  543.879617][T10751]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  543.879621][T10751]  __sys_sendmsg (net/socket.c:2799)
[  543.879623][T10751]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  543.879626][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879627][T10751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  543.879629][T10751]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  543.879631][T10751]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  543.879634][T10751]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  543.879636][T10751] RIP: 0033:0x7f5bd652454e
[  543.879638][T10751] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  543.879639][T10751] RSP: 002b:00007ffee2160220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  543.879643][T10751] RAX: ffffffffffffffda RBX: 00007ffee21609e8 RCX: 00007f5bd652454e
[  543.879645][T10751] RDX: 0000000000000000 RSI: 00007ffee21602d0 RDI: 0000000000000005
[  543.879646][T10751] RBP: 00007ffee2160230 R08: 0000000000000000 R09: 0000000000000000
[  543.879647][T10751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111e5
[  543.879648][T10751] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee21609a0
| [  550.688714][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  550.688716][   T12] Preemption disabled at:
| [  550.688717][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  550.688727][   T12] Tainted: [W]=WARN
[  550.688728][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  550.688730][   T12] Workqueue: netns cleanup_net
[  550.688735][   T12] Call Trace:
[  550.688737][   T12]  <TASK>
[  550.688738][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  550.688749][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  550.688751][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  550.688754][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  550.688756][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  550.688759][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688762][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  550.688765][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  550.688768][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  550.688773][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  550.688775][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  550.688777][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  550.688779][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  550.688781][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  550.688784][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  550.688788][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  550.688790][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  550.688792][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  550.688794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688795][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688797][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  550.688800][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  550.688802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688803][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688804][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688805][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.688807][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  550.688809][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  550.688812][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  550.688815][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  550.688817][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.688818][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  550.688820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688821][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  550.688823][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  550.688824][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  550.688826][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  550.688828][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  550.688829][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  550.688831][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  550.688832][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  550.688833][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  550.688836][   T12]  ? kthread (kernel/kthread.c:436)
[  550.688838][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  550.688841][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  550.688844][   T12]  _printk (kernel/printk/printk.c:2504)
[  550.688847][   T12]  ? snapshot_read.cold (user.c:?)
[  550.688849][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  550.688852][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  550.688854][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  550.688857][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  550.688859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688860][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  550.688861][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  550.688865][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  550.688866][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  550.688868][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  550.688870][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  550.688873][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  550.688877][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  550.688879][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  550.688881][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  550.688883][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  550.688885][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  550.688888][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  550.688890][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  550.688891][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  550.688894][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  550.688896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  550.688897][   T12]  process_one_work (kernel/workqueue.c:3387)
[  550.688900][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  550.688903][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  550.688906][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  550.688909][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  550.688910][   T12]  kthread (kernel/kthread.c:436)
[  550.688912][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  550.688914][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  550.688916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  550.688918][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  550.688920][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  550.688922][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  550.688924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  551.860165][T10913] softirqs last disabled at (0): 0x0
| [  551.860167][T10913] Preemption disabled at:
| [  551.860168][T10913] vprintk_emit (kernel/printk/printk.c:2471)
| [  551.860177][T10913] Tainted: [W]=WARN
[  551.860179][T10913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  551.860180][T10913] Call Trace:
[  551.860182][T10913]  <TASK>
[  551.860183][T10913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  551.860188][T10913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  551.860190][T10913]  __might_resched.cold (kernel/sched/core.c:9234)
[  551.860194][T10913]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  551.860196][T10913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  551.860199][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860202][T10913]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  551.860205][T10913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  551.860208][T10913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  551.860213][T10913]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  551.860215][T10913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  551.860217][T10913]  put_chars (drivers/char/virtio_console.c:1176)
[  551.860219][T10913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  551.860221][T10913]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  551.860223][T10913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  551.860228][T10913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  551.860230][T10913]  ? vsnprintf (lib/vsprintf.c:2900)
[  551.860233][T10913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  551.860235][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860236][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860237][T10913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  551.860240][T10913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  551.860242][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860243][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860244][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860245][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860248][T10913]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  551.860250][T10913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  551.860252][T10913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  551.860255][T10913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  551.860257][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860259][T10913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  551.860260][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860261][T10913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  551.860263][T10913]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  551.860264][T10913]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  551.860266][T10913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  551.860268][T10913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  551.860269][T10913]  vprintk_emit (kernel/printk/printk.c:2479)
[  551.860271][T10913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  551.860273][T10913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  551.860274][T10913]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  551.860277][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860279][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860280][T10913]  _printk (kernel/printk/printk.c:2504)
[  551.860283][T10913]  ? snapshot_read.cold (user.c:?)
[  551.860285][T10913]  ? br_multicast_flood (??:?)
[  551.860289][T10913]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  551.860292][T10913]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  551.860293][T10913]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  551.860295][T10913]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  551.860297][T10913]  br_init_port (net/bridge/br_stp_if.c:39)
[  551.860299][T10913]  new_nbp (net/bridge/br_if.c:449)
[  551.860301][T10913]  br_add_if (net/bridge/br_if.c:592)
[  551.860303][T10913]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  551.860307][T10913]  do_set_master (net/core/rtnetlink.c:3071)
[  551.860309][T10913]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  551.860311][T10913]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  551.860312][T10913]  ? __dev_get_by_name (net/core/dev.c:905)
[  551.860314][T10913]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  551.860318][T10913]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  551.860321][T10913]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  551.860323][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860324][T10913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  551.860325][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860327][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860328][T10913]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  551.860331][T10913]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  551.860333][T10913]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  551.860335][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860336][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860338][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860339][T10913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  551.860341][T10913]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  551.860342][T10913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  551.860344][T10913]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  551.860345][T10913]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  551.860349][T10913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  551.860352][T10913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  551.860353][T10913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  551.860355][T10913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  551.860356][T10913]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  551.860359][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860361][T10913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  551.860363][T10913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  551.860365][T10913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  551.860367][T10913]  ? next_uptodate_folio (mm/filemap.c:3747)
[  551.860370][T10913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  551.860372][T10913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  551.860374][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860376][T10913]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  551.860379][T10913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  551.860382][T10913]  ____sys_sendmsg (net/socket.c:2713)
[  551.860384][T10913]  ? copy_msghdr_from_user (net/socket.c:2650)
[  551.860386][T10913]  ? sock_write_iter (net/socket.c:1269)
[  551.860388][T10913]  ? move_addr_to_kernel (net/socket.c:258)
[  551.860390][T10913]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  551.860392][T10913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  551.860394][T10913]  ___sys_sendmsg (net/socket.c:2767)
[  551.860396][T10913]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  551.860397][T10913]  ? copy_msghdr_from_user (net/socket.c:2619)
[  551.860399][T10913]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  551.860404][T10913]  __sys_sendmsg (net/socket.c:2799)
[  551.860406][T10913]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  551.860409][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860410][T10913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  551.860411][T10913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  551.860414][T10913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  551.860416][T10913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  551.860418][T10913] RIP: 0033:0x7fc667f4554e
[  551.860420][T10913] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  551.860422][T10913] RSP: 002b:00007fff99d8bc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  551.860425][T10913] RAX: ffffffffffffffda RBX: 00007fff99d8c3d8 RCX: 00007fc667f4554e
[  551.860427][T10913] RDX: 0000000000000000 RSI: 00007fff99d8bcc0 RDI: 0000000000000005
[  551.860428][T10913] RBP: 00007fff99d8bc20 R08: 0000000000000000 R09: 0000000000000000
[  551.860429][T10913] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ed
[  551.860429][T10913] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff99d8c390
| [  553.136618][T10981] softirqs last disabled at (0): 0x0
| [  553.136620][T10981] Preemption disabled at:
| [  553.136620][T10981] vprintk_emit (kernel/printk/printk.c:2471)
| [  553.136630][T10981] Tainted: [W]=WARN
[  553.136631][T10981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  553.136633][T10981] Call Trace:
[  553.136634][T10981]  <TASK>
[  553.136636][T10981]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  553.136641][T10981]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  553.136642][T10981]  __might_resched.cold (kernel/sched/core.c:9234)
[  553.136646][T10981]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  553.136649][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136652][T10981]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  553.136654][T10981]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.136657][T10981]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.136662][T10981]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  553.136664][T10981]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  553.136667][T10981]  put_chars (drivers/char/virtio_console.c:1176)
[  553.136668][T10981]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  553.136669][T10981]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  553.136672][T10981]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  553.136674][T10981]  ? pointer (lib/vsprintf.c:2577)
[  553.136677][T10981]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  553.136682][T10981]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  553.136684][T10981]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.136686][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136688][T10981]  console_emit_next_record (kernel/printk/printk.c:3183)
[  553.136691][T10981]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  553.136693][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136694][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136695][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136696][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136698][T10981]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  553.136700][T10981]  console_flush_one_record (kernel/printk/printk.c:3268)
[  553.136703][T10981]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  553.136705][T10981]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  553.136707][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136709][T10981]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  553.136711][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136712][T10981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.136713][T10981]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  553.136715][T10981]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  553.136716][T10981]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  553.136718][T10981]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  553.136720][T10981]  vprintk_emit (kernel/printk/printk.c:2479)
[  553.136722][T10981]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  553.136723][T10981]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  553.136725][T10981]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  553.136728][T10981]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  553.136730][T10981]  _printk (kernel/printk/printk.c:2504)
[  553.136733][T10981]  ? snapshot_read.cold (user.c:?)
[  553.136735][T10981]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  553.136737][T10981]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  553.136740][T10981]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  553.136742][T10981]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.136745][T10981]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  553.136748][T10981]  ? netdev_notice (net/core/dev.c:13194)
[  553.136754][T10981]  ? 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)
[  553.136756][T10981]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  553.136758][T10981]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  553.136760][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136761][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136762][T10981]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  553.136763][T10981]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  553.136765][T10981]  ? 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)
[  553.136766][T10981]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.136767][T10981]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  553.136769][T10981]  ? register_netdev (net/core/dev.c:11618)
[  553.136770][T10981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.136772][T10981]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  553.136775][T10981]  ? __kernel_text_address (kernel/extable.c:79)
[  553.136777][T10981]  ? write_profile (profile.c:?)
[  553.136780][T10981]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  553.136784][T10981]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  553.136786][T10981]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  553.136787][T10981]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  553.136788][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136790][T10981]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  553.136793][T10981]  ? kasan_save_stack (mm/kasan/common.c:58)
[  553.136795][T10981]  ? kasan_save_stack (mm/kasan/common.c:57)
[  553.136796][T10981]  ? kasan_save_track (mm/kasan/common.c:78)
[  553.136797][T10981]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  553.136798][T10981]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  553.136799][T10981]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  553.136800][T10981]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.136801][T10981]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.136804][T10981]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.136806][T10981]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.136807][T10981]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.136810][T10981]  ? ____sys_sendmsg (net/socket.c:2713)
[  553.136811][T10981]  ? ___sys_sendmsg (net/socket.c:2767)
[  553.136813][T10981]  ? __sys_sendmsg (net/socket.c:2799)
[  553.136814][T10981]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.136817][T10981]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.136819][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136820][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136822][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136823][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136824][T10981]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  553.136826][T10981]  ? __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)
[  553.136827][T10981]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  553.136828][T10981]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  553.136829][T10981]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  553.136830][T10981]  ? nla_get_range_signed (lib/nlattr.c:270)
[  553.136834][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136835][T10981]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  553.136837][T10981]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  553.136839][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136840][T10981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.136841][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136843][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136844][T10981]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  553.136847][T10981]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  553.136848][T10981]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  553.136849][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136850][T10981]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  553.136853][T10981]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  553.136856][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136857][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136858][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136859][T10981]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  553.136861][T10981]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  553.136862][T10981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.136864][T10981]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.136865][T10981]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  553.136868][T10981]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  553.136869][T10981]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  553.136871][T10981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.136872][T10981]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  553.136874][T10981]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  553.136877][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136878][T10981]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  553.136880][T10981]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  553.136882][T10981]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  553.136884][T10981]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.136886][T10981]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  553.136888][T10981]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  553.136889][T10981]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  553.136891][T10981]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  553.136893][T10981]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  553.136896][T10981]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  553.136898][T10981]  ____sys_sendmsg (net/socket.c:2713)
[  553.136900][T10981]  ? copy_msghdr_from_user (net/socket.c:2650)
[  553.136901][T10981]  ? sock_write_iter (net/socket.c:1269)
[  553.136903][T10981]  ? move_addr_to_kernel (net/socket.c:258)
[  553.136904][T10981]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  553.136907][T10981]  ___sys_sendmsg (net/socket.c:2767)
[  553.136909][T10981]  ? copy_msghdr_from_user (net/socket.c:2619)
[  553.136913][T10981]  __sys_sendmsg (net/socket.c:2799)
[  553.136915][T10981]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  553.136918][T10981]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  553.136920][T10981]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  553.136921][T10981]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  553.136923][T10981]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  553.136925][T10981] RIP: 0033:0x7f5754a1354e
[  553.136927][T10981] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  553.136928][T10981] RSP: 002b:00007ffd3c3bbb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  553.136932][T10981] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5754a1354e
[  553.136933][T10981] RDX: 0000000000000000 RSI: 00007ffd3c3bbbf0 RDI: 0000000000000005
[  553.136934][T10981] RBP: 00007ffd3c3bbb50 R08: 0000000000000000 R09: 0000000000000000
[  553.136935][T10981] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ee
[  553.136936][T10981] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3c3bc2b0
| [  554.206948][T11039] softirqs last disabled at (0): 0x0
| [  554.206950][T11039] Preemption disabled at:
| [  554.206951][T11039] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.206961][T11039] Tainted: [W]=WARN
[  554.206962][T11039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.206964][T11039] Call Trace:
[  554.206965][T11039]  <TASK>
[  554.206967][T11039]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.206972][T11039]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.206974][T11039]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.206978][T11039]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  554.206980][T11039]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.206984][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.206986][T11039]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  554.206989][T11039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.206992][T11039]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.206997][T11039]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  554.206999][T11039]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.207001][T11039]  put_chars (drivers/char/virtio_console.c:1176)
[  554.207003][T11039]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.207005][T11039]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  554.207007][T11039]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.207012][T11039]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.207014][T11039]  ? vsnprintf (lib/vsprintf.c:2900)
[  554.207017][T11039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.207019][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207020][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207021][T11039]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.207024][T11039]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.207026][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207027][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207028][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207030][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207032][T11039]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  554.207034][T11039]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.207036][T11039]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.207039][T11039]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.207041][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207043][T11039]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.207045][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207046][T11039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.207047][T11039]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  554.207049][T11039]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  554.207050][T11039]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.207052][T11039]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.207054][T11039]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.207056][T11039]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.207057][T11039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.207059][T11039]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.207062][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207064][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207065][T11039]  _printk (kernel/printk/printk.c:2504)
[  554.207068][T11039]  ? snapshot_read.cold (user.c:?)
[  554.207070][T11039]  ? br_multicast_flood (??:?)
[  554.207073][T11039]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  554.207076][T11039]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  554.207077][T11039]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.207079][T11039]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  554.207082][T11039]  br_init_port (net/bridge/br_stp_if.c:39)
[  554.207083][T11039]  new_nbp (net/bridge/br_if.c:449)
[  554.207086][T11039]  br_add_if (net/bridge/br_if.c:592)
[  554.207088][T11039]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  554.207092][T11039]  do_set_master (net/core/rtnetlink.c:3071)
[  554.207094][T11039]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  554.207096][T11039]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  554.207097][T11039]  ? __dev_get_by_name (net/core/dev.c:905)
[  554.207099][T11039]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  554.207103][T11039]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  554.207105][T11039]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.207107][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207109][T11039]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.207110][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207111][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207113][T11039]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  554.207116][T11039]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  554.207117][T11039]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  554.207120][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207121][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207122][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207124][T11039]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.207125][T11039]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.207127][T11039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.207128][T11039]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.207130][T11039]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  554.207133][T11039]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.207136][T11039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.207137][T11039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.207139][T11039]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  554.207141][T11039]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  554.207144][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207145][T11039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.207147][T11039]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.207149][T11039]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  554.207151][T11039]  ? next_uptodate_folio (mm/filemap.c:3747)
[  554.207155][T11039]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.207157][T11039]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  554.207159][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207160][T11039]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  554.207164][T11039]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.207167][T11039]  ____sys_sendmsg (net/socket.c:2713)
[  554.207169][T11039]  ? copy_msghdr_from_user (net/socket.c:2650)
[  554.207170][T11039]  ? sock_write_iter (net/socket.c:1269)
[  554.207172][T11039]  ? move_addr_to_kernel (net/socket.c:258)
[  554.207174][T11039]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  554.207177][T11039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.207179][T11039]  ___sys_sendmsg (net/socket.c:2767)
[  554.207181][T11039]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  554.207182][T11039]  ? copy_msghdr_from_user (net/socket.c:2619)
[  554.207184][T11039]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  554.207189][T11039]  __sys_sendmsg (net/socket.c:2799)
[  554.207191][T11039]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  554.207194][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207195][T11039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.207196][T11039]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.207199][T11039]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  554.207201][T11039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.207203][T11039] RIP: 0033:0x7f4b8107054e
[  554.207205][T11039] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  554.207207][T11039] RSP: 002b:00007ffda6e5d020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  554.207211][T11039] RAX: ffffffffffffffda RBX: 00007ffda6e5d7e8 RCX: 00007f4b8107054e
[  554.207212][T11039] RDX: 0000000000000000 RSI: 00007ffda6e5d0d0 RDI: 0000000000000005
[  554.207213][T11039] RBP: 00007ffda6e5d030 R08: 0000000000000000 R09: 0000000000000000
[  554.207214][T11039] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111ef
[  554.207215][T11039] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda6e5d7a0
| [  560.963499][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  560.963502][   T12] Preemption disabled at:
| [  560.963503][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  560.963513][   T12] Tainted: [W]=WARN
[  560.963514][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  560.963516][   T12] Workqueue: netns cleanup_net
[  560.963521][   T12] Call Trace:
[  560.963523][   T12]  <TASK>
[  560.963525][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  560.963530][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  560.963531][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  560.963535][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  560.963537][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  560.963540][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963543][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  560.963545][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  560.963548][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.963553][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  560.963555][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.963557][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  560.963559][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  560.963560][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  560.963563][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  560.963568][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  560.963569][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  560.963572][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  560.963573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963576][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  560.963579][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  560.963581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963583][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963584][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.963587][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  560.963589][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  560.963591][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  560.963594][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  560.963595][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.963597][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  560.963599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963600][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  560.963601][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  560.963603][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  560.963604][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  560.963606][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  560.963608][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  560.963609][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  560.963611][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  560.963612][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  560.963615][   T12]  ? kthread (kernel/kthread.c:436)
[  560.963617][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  560.963619][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  560.963622][   T12]  _printk (kernel/printk/printk.c:2504)
[  560.963625][   T12]  ? snapshot_read.cold (user.c:?)
[  560.963627][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  560.963630][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  560.963632][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  560.963634][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  560.963636][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963637][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  560.963639][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  560.963642][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  560.963643][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  560.963645][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  560.963647][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  560.963649][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  560.963653][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  560.963655][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  560.963658][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  560.963660][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  560.963662][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  560.963665][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  560.963666][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  560.963669][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.963670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.963672][   T12]  process_one_work (kernel/workqueue.c:3387)
[  560.963675][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  560.963677][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  560.963680][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  560.963682][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  560.963684][   T12]  kthread (kernel/kthread.c:436)
[  560.963686][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  560.963688][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  560.963689][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  560.963691][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  560.963693][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  560.963696][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  560.963698][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  562.169405][T11202] softirqs last disabled at (0): 0x0
| [  562.169406][T11202] Preemption disabled at:
| [  562.169407][T11202] vprintk_emit (kernel/printk/printk.c:2471)
| [  562.169417][T11202] Tainted: [W]=WARN
[  562.169418][T11202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.169420][T11202] Call Trace:
[  562.169422][T11202]  <TASK>
[  562.169423][T11202]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  562.169429][T11202]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  562.169430][T11202]  __might_resched.cold (kernel/sched/core.c:9234)
[  562.169434][T11202]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  562.169436][T11202]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  562.169440][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169443][T11202]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  562.169446][T11202]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.169449][T11202]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.169454][T11202]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  562.169456][T11202]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  562.169459][T11202]  put_chars (drivers/char/virtio_console.c:1176)
[  562.169460][T11202]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  562.169462][T11202]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  562.169465][T11202]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  562.169470][T11202]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  562.169472][T11202]  ? vsnprintf (lib/vsprintf.c:2900)
[  562.169475][T11202]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.169477][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169478][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169480][T11202]  console_emit_next_record (kernel/printk/printk.c:3183)
[  562.169483][T11202]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  562.169485][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169486][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169487][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169488][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169491][T11202]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  562.169493][T11202]  console_flush_one_record (kernel/printk/printk.c:3268)
[  562.169495][T11202]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  562.169500][T11202]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  562.169502][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169504][T11202]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  562.169506][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169507][T11202]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.169508][T11202]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  562.169510][T11202]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  562.169512][T11202]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  562.169514][T11202]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  562.169515][T11202]  vprintk_emit (kernel/printk/printk.c:2479)
[  562.169517][T11202]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  562.169518][T11202]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  562.169520][T11202]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  562.169523][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169525][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169526][T11202]  _printk (kernel/printk/printk.c:2504)
[  562.169529][T11202]  ? snapshot_read.cold (user.c:?)
[  562.169531][T11202]  ? br_multicast_flood (??:?)
[  562.169535][T11202]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  562.169538][T11202]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  562.169539][T11202]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  562.169541][T11202]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  562.169543][T11202]  br_init_port (net/bridge/br_stp_if.c:39)
[  562.169545][T11202]  new_nbp (net/bridge/br_if.c:449)
[  562.169548][T11202]  br_add_if (net/bridge/br_if.c:592)
[  562.169549][T11202]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  562.169554][T11202]  do_set_master (net/core/rtnetlink.c:3071)
[  562.169556][T11202]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  562.169557][T11202]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  562.169559][T11202]  ? __dev_get_by_name (net/core/dev.c:905)
[  562.169561][T11202]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  562.169565][T11202]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  562.169567][T11202]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  562.169569][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169571][T11202]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.169572][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169574][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169575][T11202]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  562.169578][T11202]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  562.169580][T11202]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  562.169582][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169584][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169585][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169586][T11202]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  562.169588][T11202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  562.169589][T11202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  562.169591][T11202]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  562.169592][T11202]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  562.169596][T11202]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  562.169599][T11202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  562.169601][T11202]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.169602][T11202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  562.169604][T11202]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  562.169607][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169608][T11202]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  562.169610][T11202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  562.169612][T11202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  562.169615][T11202]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  562.169617][T11202]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  562.169620][T11202]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  562.169622][T11202]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  562.169624][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169626][T11202]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  562.169629][T11202]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  562.169633][T11202]  ____sys_sendmsg (net/socket.c:2713)
[  562.169634][T11202]  ? copy_msghdr_from_user (net/socket.c:2650)
[  562.169636][T11202]  ? sock_write_iter (net/socket.c:1269)
[  562.169637][T11202]  ? move_addr_to_kernel (net/socket.c:258)
[  562.169640][T11202]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  562.169642][T11202]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  562.169644][T11202]  ___sys_sendmsg (net/socket.c:2767)
[  562.169646][T11202]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  562.169648][T11202]  ? copy_msghdr_from_user (net/socket.c:2619)
[  562.169649][T11202]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  562.169654][T11202]  __sys_sendmsg (net/socket.c:2799)
[  562.169656][T11202]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  562.169659][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169660][T11202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  562.169662][T11202]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  562.169664][T11202]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  562.169666][T11202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  562.169668][T11202] RIP: 0033:0x7f946f48e54e
[  562.169670][T11202] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  562.169672][T11202] RSP: 002b:00007ffdcc1e1460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  562.169676][T11202] RAX: ffffffffffffffda RBX: 00007ffdcc1e1c28 RCX: 00007f946f48e54e
[  562.169677][T11202] RDX: 0000000000000000 RSI: 00007ffdcc1e1510 RDI: 0000000000000005
[  562.169678][T11202] RBP: 00007ffdcc1e1470 R08: 0000000000000000 R09: 0000000000000000
[  562.169679][T11202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111f7
[  562.169680][T11202] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcc1e1be0
| [  563.453752][T11271] softirqs last disabled at (0): 0x0
| [  563.453753][T11271] Preemption disabled at:
| [  563.453754][T11271] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.453764][T11271] Tainted: [W]=WARN
[  563.453765][T11271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.453767][T11271] Call Trace:
[  563.453769][T11271]  <TASK>
[  563.453770][T11271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.453775][T11271]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.453777][T11271]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.453781][T11271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.453784][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453791][T11271]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  563.453794][T11271]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.453797][T11271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.453802][T11271]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  563.453803][T11271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.453806][T11271]  put_chars (drivers/char/virtio_console.c:1176)
[  563.453808][T11271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.453809][T11271]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  563.453812][T11271]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  563.453814][T11271]  ? pointer (lib/vsprintf.c:2577)
[  563.453817][T11271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.453822][T11271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.453824][T11271]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.453826][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.453828][T11271]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.453831][T11271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.453833][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453834][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453835][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453836][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.453838][T11271]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  563.453840][T11271]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.453843][T11271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.453845][T11271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.453847][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.453849][T11271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.453851][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453852][T11271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.453853][T11271]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  563.453855][T11271]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  563.453856][T11271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.453858][T11271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.453859][T11271]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.453861][T11271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.453862][T11271]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  563.453865][T11271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  563.453868][T11271]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  563.453870][T11271]  _printk (kernel/printk/printk.c:2504)
[  563.453873][T11271]  ? snapshot_read.cold (user.c:?)
[  563.453875][T11271]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  563.453878][T11271]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  563.453881][T11271]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  563.453883][T11271]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.453886][T11271]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  563.453888][T11271]  ? netdev_notice (net/core/dev.c:13194)
[  563.453890][T11271]  ? 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)
[  563.453892][T11271]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  563.453894][T11271]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.453896][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453897][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453898][T11271]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  563.453899][T11271]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  563.453901][T11271]  ? 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)
[  563.453902][T11271]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.453904][T11271]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  563.453905][T11271]  ? register_netdev (net/core/dev.c:11618)
[  563.453907][T11271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.453909][T11271]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  563.453912][T11271]  ? __kernel_text_address (kernel/extable.c:79)
[  563.453914][T11271]  ? write_profile (profile.c:?)
[  563.453917][T11271]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  563.453920][T11271]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  563.453922][T11271]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  563.453924][T11271]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  563.453925][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453926][T11271]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  563.453930][T11271]  ? kasan_save_stack (mm/kasan/common.c:58)
[  563.453931][T11271]  ? kasan_save_stack (mm/kasan/common.c:57)
[  563.453932][T11271]  ? kasan_save_track (mm/kasan/common.c:78)
[  563.453934][T11271]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  563.453935][T11271]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  563.453936][T11271]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  563.453937][T11271]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.453938][T11271]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.453941][T11271]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.453943][T11271]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.453944][T11271]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.453947][T11271]  ? ____sys_sendmsg (net/socket.c:2713)
[  563.453948][T11271]  ? ___sys_sendmsg (net/socket.c:2767)
[  563.453949][T11271]  ? __sys_sendmsg (net/socket.c:2799)
[  563.453951][T11271]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.453953][T11271]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.453956][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453957][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.453959][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453960][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453961][T11271]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  563.453962][T11271]  ? __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)
[  563.453963][T11271]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  563.453965][T11271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  563.453966][T11271]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  563.453967][T11271]  ? nla_get_range_signed (lib/nlattr.c:270)
[  563.453971][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453972][T11271]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  563.453974][T11271]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.453976][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453977][T11271]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.453979][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.453980][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453982][T11271]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  563.453984][T11271]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  563.453985][T11271]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  563.453987][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453988][T11271]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  563.453991][T11271]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  563.453994][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453995][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.453996][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.453998][T11271]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.453999][T11271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.454001][T11271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.454002][T11271]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  563.454004][T11271]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  563.454006][T11271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.454008][T11271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.454009][T11271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.454011][T11271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.454012][T11271]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  563.454016][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.454017][T11271]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.454019][T11271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.454021][T11271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.454023][T11271]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.454025][T11271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.454027][T11271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.454029][T11271]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  563.454030][T11271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.454032][T11271]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  563.454035][T11271]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.454037][T11271]  ____sys_sendmsg (net/socket.c:2713)
[  563.454038][T11271]  ? copy_msghdr_from_user (net/socket.c:2650)
[  563.454040][T11271]  ? sock_write_iter (net/socket.c:1269)
[  563.454042][T11271]  ? move_addr_to_kernel (net/socket.c:258)
[  563.454043][T11271]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  563.454046][T11271]  ___sys_sendmsg (net/socket.c:2767)
[  563.454048][T11271]  ? copy_msghdr_from_user (net/socket.c:2619)
[  563.454053][T11271]  __sys_sendmsg (net/socket.c:2799)
[  563.454055][T11271]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  563.454057][T11271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.454059][T11271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.454061][T11271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.454063][T11271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.454064][T11271] RIP: 0033:0x7fc27a67254e
[  563.454066][T11271] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  563.454068][T11271] RSP: 002b:00007ffe47b4d450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  563.454072][T11271] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc27a67254e
[  563.454073][T11271] RDX: 0000000000000000 RSI: 00007ffe47b4d500 RDI: 0000000000000005
[  563.454074][T11271] RBP: 00007ffe47b4d460 R08: 0000000000000000 R09: 0000000000000000
[  563.454075][T11271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111f8
[  563.454076][T11271] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe47b4dbc0
| [  564.538213][T11328] softirqs last disabled at (0): 0x0
| [  564.538215][T11328] Preemption disabled at:
| [  564.538216][T11328] vprintk_emit (kernel/printk/printk.c:2471)
| [  564.538226][T11328] Tainted: [W]=WARN
[  564.538227][T11328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  564.538229][T11328] Call Trace:
[  564.538230][T11328]  <TASK>
[  564.538231][T11328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  564.538237][T11328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  564.538238][T11328]  __might_resched.cold (kernel/sched/core.c:9234)
[  564.538242][T11328]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  564.538244][T11328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  564.538247][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538250][T11328]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  564.538253][T11328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.538256][T11328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.538261][T11328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  564.538262][T11328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.538265][T11328]  put_chars (drivers/char/virtio_console.c:1176)
[  564.538267][T11328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  564.538269][T11328]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  564.538271][T11328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  564.538276][T11328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  564.538278][T11328]  ? vsnprintf (lib/vsprintf.c:2900)
[  564.538281][T11328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.538283][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538284][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538286][T11328]  console_emit_next_record (kernel/printk/printk.c:3183)
[  564.538289][T11328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  564.538291][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538292][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538293][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538294][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538297][T11328]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  564.538299][T11328]  console_flush_one_record (kernel/printk/printk.c:3268)
[  564.538301][T11328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  564.538304][T11328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  564.538306][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538308][T11328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  564.538310][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538311][T11328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.538312][T11328]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  564.538314][T11328]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  564.538315][T11328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  564.538317][T11328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  564.538319][T11328]  vprintk_emit (kernel/printk/printk.c:2479)
[  564.538321][T11328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  564.538322][T11328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.538324][T11328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  564.538327][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538328][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538330][T11328]  _printk (kernel/printk/printk.c:2504)
[  564.538333][T11328]  ? snapshot_read.cold (user.c:?)
[  564.538335][T11328]  ? br_multicast_flood (??:?)
[  564.538338][T11328]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  564.538341][T11328]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  564.538342][T11328]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  564.538344][T11328]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  564.538347][T11328]  br_init_port (net/bridge/br_stp_if.c:39)
[  564.538349][T11328]  new_nbp (net/bridge/br_if.c:449)
[  564.538351][T11328]  br_add_if (net/bridge/br_if.c:592)
[  564.538353][T11328]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  564.538357][T11328]  do_set_master (net/core/rtnetlink.c:3071)
[  564.538359][T11328]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  564.538361][T11328]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  564.538363][T11328]  ? __dev_get_by_name (net/core/dev.c:905)
[  564.538364][T11328]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  564.538368][T11328]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  564.538371][T11328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  564.538373][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538374][T11328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.538376][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538377][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538379][T11328]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  564.538382][T11328]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  564.538384][T11328]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  564.538386][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538387][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538389][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538390][T11328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  564.538391][T11328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  564.538393][T11328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.538394][T11328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  564.538396][T11328]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  564.538400][T11328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  564.538403][T11328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  564.538405][T11328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.538406][T11328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  564.538408][T11328]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  564.538411][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538412][T11328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.538414][T11328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  564.538417][T11328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  564.538419][T11328]  ? next_uptodate_folio (mm/filemap.c:3747)
[  564.538422][T11328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  564.538424][T11328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  564.538426][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538428][T11328]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  564.538431][T11328]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  564.538434][T11328]  ____sys_sendmsg (net/socket.c:2713)
[  564.538435][T11328]  ? copy_msghdr_from_user (net/socket.c:2650)
[  564.538437][T11328]  ? sock_write_iter (net/socket.c:1269)
[  564.538439][T11328]  ? move_addr_to_kernel (net/socket.c:258)
[  564.538441][T11328]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  564.538444][T11328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.538446][T11328]  ___sys_sendmsg (net/socket.c:2767)
[  564.538448][T11328]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  564.538449][T11328]  ? copy_msghdr_from_user (net/socket.c:2619)
[  564.538451][T11328]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  564.538456][T11328]  __sys_sendmsg (net/socket.c:2799)
[  564.538458][T11328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  564.538461][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538462][T11328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.538464][T11328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  564.538466][T11328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  564.538468][T11328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  564.538470][T11328] RIP: 0033:0x7f2deeb8154e
[  564.538472][T11328] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  564.538474][T11328] RSP: 002b:00007ffc599ffec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  564.538478][T11328] RAX: ffffffffffffffda RBX: 00007ffc59a00688 RCX: 00007f2deeb8154e
[  564.538479][T11328] RDX: 0000000000000000 RSI: 00007ffc599fff70 RDI: 0000000000000005
[  564.538480][T11328] RBP: 00007ffc599ffed0 R08: 0000000000000000 R09: 0000000000000000
[  564.538481][T11328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9111f9
[  564.538482][T11328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc59a00640
| [  571.288356][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  571.288358][   T12] Preemption disabled at:
| [  571.288359][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  571.288369][   T12] Tainted: [W]=WARN
[  571.288370][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  571.288372][   T12] Workqueue: netns cleanup_net
[  571.288377][   T12] Call Trace:
[  571.288379][   T12]  <TASK>
[  571.288381][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  571.288386][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  571.288388][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  571.288391][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  571.288393][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  571.288396][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288399][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  571.288402][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.288405][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.288410][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  571.288411][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.288414][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  571.288416][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  571.288417][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  571.288420][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  571.288424][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  571.288426][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  571.288428][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.288430][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288433][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  571.288435][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  571.288437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288441][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.288443][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  571.288445][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  571.288447][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  571.288450][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  571.288452][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.288454][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  571.288455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288456][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  571.288458][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  571.288459][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  571.288461][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  571.288463][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  571.288464][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  571.288466][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  571.288467][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  571.288468][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  571.288471][   T12]  ? kthread (kernel/kthread.c:436)
[  571.288473][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  571.288476][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  571.288479][   T12]  _printk (kernel/printk/printk.c:2504)
[  571.288482][   T12]  ? snapshot_read.cold (user.c:?)
[  571.288484][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  571.288487][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  571.288489][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  571.288492][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  571.288494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288500][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  571.288501][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  571.288504][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  571.288506][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  571.288507][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  571.288509][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  571.288512][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  571.288516][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  571.288518][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  571.288520][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  571.288522][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  571.288524][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  571.288527][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  571.288529][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  571.288531][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.288533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.288534][   T12]  process_one_work (kernel/workqueue.c:3387)
[  571.288537][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  571.288540][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.288542][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  571.288545][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  571.288547][   T12]  kthread (kernel/kthread.c:436)
[  571.288549][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  571.288550][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  571.288552][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  571.288554][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  571.288556][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  571.288559][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  571.288560][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  572.472999][T11490] softirqs last disabled at (0): 0x0
| [  572.473001][T11490] Preemption disabled at:
| [  572.473002][T11490] vprintk_emit (kernel/printk/printk.c:2471)
| [  572.473012][T11490] Tainted: [W]=WARN
[  572.473013][T11490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.473014][T11490] Call Trace:
[  572.473016][T11490]  <TASK>
[  572.473018][T11490]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  572.473024][T11490]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  572.473025][T11490]  __might_resched.cold (kernel/sched/core.c:9234)
[  572.473029][T11490]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  572.473031][T11490]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.473034][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473037][T11490]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  572.473039][T11490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.473042][T11490]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.473047][T11490]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  572.473049][T11490]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.473052][T11490]  put_chars (drivers/char/virtio_console.c:1176)
[  572.473053][T11490]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  572.473055][T11490]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  572.473058][T11490]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  572.473063][T11490]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  572.473064][T11490]  ? vsnprintf (lib/vsprintf.c:2900)
[  572.473068][T11490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.473069][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473070][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473072][T11490]  console_emit_next_record (kernel/printk/printk.c:3183)
[  572.473075][T11490]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  572.473077][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473078][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473079][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473080][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473083][T11490]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  572.473084][T11490]  console_flush_one_record (kernel/printk/printk.c:3268)
[  572.473087][T11490]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  572.473089][T11490]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  572.473091][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473093][T11490]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  572.473095][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473096][T11490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.473097][T11490]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  572.473099][T11490]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  572.473100][T11490]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  572.473102][T11490]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  572.473104][T11490]  vprintk_emit (kernel/printk/printk.c:2479)
[  572.473105][T11490]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  572.473106][T11490]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.473108][T11490]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  572.473111][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473113][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473114][T11490]  _printk (kernel/printk/printk.c:2504)
[  572.473117][T11490]  ? snapshot_read.cold (user.c:?)
[  572.473119][T11490]  ? br_multicast_flood (??:?)
[  572.473123][T11490]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  572.473126][T11490]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  572.473127][T11490]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.473129][T11490]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  572.473131][T11490]  br_init_port (net/bridge/br_stp_if.c:39)
[  572.473133][T11490]  new_nbp (net/bridge/br_if.c:449)
[  572.473135][T11490]  br_add_if (net/bridge/br_if.c:592)
[  572.473137][T11490]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  572.473141][T11490]  do_set_master (net/core/rtnetlink.c:3071)
[  572.473143][T11490]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  572.473145][T11490]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  572.473146][T11490]  ? __dev_get_by_name (net/core/dev.c:905)
[  572.473148][T11490]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  572.473152][T11490]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  572.473155][T11490]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.473157][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473158][T11490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.473159][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473161][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473162][T11490]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  572.473165][T11490]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  572.473166][T11490]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  572.473169][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473170][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473171][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473173][T11490]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.473174][T11490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  572.473176][T11490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.473177][T11490]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  572.473178][T11490]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  572.473182][T11490]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  572.473185][T11490]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.473186][T11490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.473188][T11490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  572.473190][T11490]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  572.473193][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473194][T11490]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.473196][T11490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  572.473199][T11490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  572.473200][T11490]  ? next_uptodate_folio (mm/filemap.c:3747)
[  572.473203][T11490]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  572.473206][T11490]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  572.473208][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473209][T11490]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  572.473213][T11490]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  572.473216][T11490]  ____sys_sendmsg (net/socket.c:2713)
[  572.473217][T11490]  ? copy_msghdr_from_user (net/socket.c:2650)
[  572.473219][T11490]  ? sock_write_iter (net/socket.c:1269)
[  572.473220][T11490]  ? move_addr_to_kernel (net/socket.c:258)
[  572.473223][T11490]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  572.473225][T11490]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.473227][T11490]  ___sys_sendmsg (net/socket.c:2767)
[  572.473229][T11490]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  572.473231][T11490]  ? copy_msghdr_from_user (net/socket.c:2619)
[  572.473232][T11490]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  572.473237][T11490]  __sys_sendmsg (net/socket.c:2799)
[  572.473239][T11490]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  572.473241][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473243][T11490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.473244][T11490]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  572.473246][T11490]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  572.473248][T11490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.473250][T11490] RIP: 0033:0x7f2dec76b54e
[  572.473252][T11490] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  572.473254][T11490] RSP: 002b:00007fff16a1ed50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  572.473258][T11490] RAX: ffffffffffffffda RBX: 00007fff16a1f518 RCX: 00007f2dec76b54e
[  572.473259][T11490] RDX: 0000000000000000 RSI: 00007fff16a1ee00 RDI: 0000000000000005
[  572.473260][T11490] RBP: 00007fff16a1ed60 R08: 0000000000000000 R09: 0000000000000000
[  572.473261][T11490] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911201
[  572.473262][T11490] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff16a1f4d0
| [  573.759829][T11559] softirqs last disabled at (0): 0x0
| [  573.759831][T11559] Preemption disabled at:
| [  573.759831][T11559] vprintk_emit (kernel/printk/printk.c:2471)
| [  573.759841][T11559] Tainted: [W]=WARN
[  573.759842][T11559] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  573.759844][T11559] Call Trace:
[  573.759846][T11559]  <TASK>
[  573.759847][T11559]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  573.759853][T11559]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  573.759854][T11559]  __might_resched.cold (kernel/sched/core.c:9234)
[  573.759858][T11559]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  573.759861][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759864][T11559]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  573.759866][T11559]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.759870][T11559]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.759875][T11559]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  573.759876][T11559]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  573.759879][T11559]  put_chars (drivers/char/virtio_console.c:1176)
[  573.759881][T11559]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  573.759882][T11559]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  573.759884][T11559]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  573.759886][T11559]  ? pointer (lib/vsprintf.c:2577)
[  573.759890][T11559]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  573.759894][T11559]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  573.759896][T11559]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.759898][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.759900][T11559]  console_emit_next_record (kernel/printk/printk.c:3183)
[  573.759903][T11559]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  573.759905][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759906][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759907][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759908][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.759910][T11559]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  573.759912][T11559]  console_flush_one_record (kernel/printk/printk.c:3268)
[  573.759914][T11559]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  573.759917][T11559]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  573.759919][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.759920][T11559]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  573.759922][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759923][T11559]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.759924][T11559]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  573.759926][T11559]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  573.759928][T11559]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  573.759930][T11559]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  573.759931][T11559]  vprintk_emit (kernel/printk/printk.c:2479)
[  573.759933][T11559]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  573.759934][T11559]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  573.759936][T11559]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  573.759939][T11559]  _printk (kernel/printk/printk.c:2504)
[  573.759942][T11559]  ? snapshot_read.cold (user.c:?)
[  573.759943][T11559]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  573.759946][T11559]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  573.759949][T11559]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  573.759951][T11559]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.759954][T11559]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  573.759956][T11559]  ? netdev_notice (net/core/dev.c:13194)
[  573.759958][T11559]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  573.759960][T11559]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  573.759962][T11559]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  573.759964][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759965][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759966][T11559]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  573.759969][T11559]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  573.759970][T11559]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  573.759972][T11559]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.759973][T11559]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  573.759975][T11559]  ? register_netdev (net/core/dev.c:11618)
[  573.759976][T11559]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.759978][T11559]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  573.759981][T11559]  ? __kernel_text_address (kernel/extable.c:79)
[  573.759983][T11559]  ? write_profile (profile.c:?)
[  573.759986][T11559]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  573.759989][T11559]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  573.759991][T11559]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  573.759993][T11559]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  573.759994][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.759995][T11559]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  573.759998][T11559]  ? kasan_save_stack (mm/kasan/common.c:58)
[  573.760000][T11559]  ? kasan_save_stack (mm/kasan/common.c:57)
[  573.760001][T11559]  ? kasan_save_track (mm/kasan/common.c:78)
[  573.760002][T11559]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  573.760003][T11559]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  573.760005][T11559]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  573.760006][T11559]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  573.760007][T11559]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  573.760010][T11559]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  573.760011][T11559]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  573.760013][T11559]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  573.760015][T11559]  ? ____sys_sendmsg (net/socket.c:2713)
[  573.760017][T11559]  ? ___sys_sendmsg (net/socket.c:2767)
[  573.760018][T11559]  ? __sys_sendmsg (net/socket.c:2799)
[  573.760020][T11559]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  573.760023][T11559]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.760025][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760026][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.760028][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760029][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760030][T11559]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  573.760031][T11559]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  573.760032][T11559]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  573.760034][T11559]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  573.760035][T11559]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  573.760036][T11559]  ? nla_get_range_signed (lib/nlattr.c:270)
[  573.760039][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760040][T11559]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  573.760043][T11559]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  573.760045][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760046][T11559]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.760047][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.760048][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760050][T11559]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  573.760052][T11559]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  573.760054][T11559]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  573.760055][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760056][T11559]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  573.760059][T11559]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  573.760062][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760063][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.760064][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760066][T11559]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  573.760067][T11559]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  573.760068][T11559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  573.760070][T11559]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  573.760071][T11559]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  573.760074][T11559]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  573.760075][T11559]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  573.760077][T11559]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.760078][T11559]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  573.760080][T11559]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  573.760083][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760084][T11559]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  573.760086][T11559]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  573.760088][T11559]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  573.760090][T11559]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.760092][T11559]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  573.760094][T11559]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  573.760095][T11559]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  573.760097][T11559]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  573.760099][T11559]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  573.760102][T11559]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  573.760104][T11559]  ____sys_sendmsg (net/socket.c:2713)
[  573.760105][T11559]  ? copy_msghdr_from_user (net/socket.c:2650)
[  573.760107][T11559]  ? sock_write_iter (net/socket.c:1269)
[  573.760108][T11559]  ? move_addr_to_kernel (net/socket.c:258)
[  573.760110][T11559]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  573.760112][T11559]  ___sys_sendmsg (net/socket.c:2767)
[  573.760114][T11559]  ? copy_msghdr_from_user (net/socket.c:2619)
[  573.760119][T11559]  __sys_sendmsg (net/socket.c:2799)
[  573.760121][T11559]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  573.760124][T11559]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  573.760125][T11559]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  573.760127][T11559]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  573.760129][T11559]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  573.760130][T11559] RIP: 0033:0x7fcb98b4754e
[  573.760132][T11559] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  573.760134][T11559] RSP: 002b:00007ffc3d04b860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  573.760137][T11559] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb98b4754e
[  573.760139][T11559] RDX: 0000000000000000 RSI: 00007ffc3d04b910 RDI: 0000000000000005
[  573.760140][T11559] RBP: 00007ffc3d04b870 R08: 0000000000000000 R09: 0000000000000000
[  573.760141][T11559] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911203
[  573.760142][T11559] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3d04bfd0
| [  574.814595][T11616] softirqs last disabled at (0): 0x0
| [  574.814596][T11616] Preemption disabled at:
| [  574.814597][T11616] vprintk_emit (kernel/printk/printk.c:2471)
| [  574.814607][T11616] Tainted: [W]=WARN
[  574.814608][T11616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  574.814610][T11616] Call Trace:
[  574.814611][T11616]  <TASK>
[  574.814612][T11616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  574.814618][T11616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  574.814619][T11616]  __might_resched.cold (kernel/sched/core.c:9234)
[  574.814623][T11616]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  574.814625][T11616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  574.814629][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814631][T11616]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  574.814634][T11616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  574.814637][T11616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  574.814642][T11616]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  574.814644][T11616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  574.814647][T11616]  put_chars (drivers/char/virtio_console.c:1176)
[  574.814648][T11616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  574.814650][T11616]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  574.814652][T11616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  574.814657][T11616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  574.814659][T11616]  ? vsnprintf (lib/vsprintf.c:2900)
[  574.814663][T11616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  574.814664][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814665][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814667][T11616]  console_emit_next_record (kernel/printk/printk.c:3183)
[  574.814670][T11616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  574.814672][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814673][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814674][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814675][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814677][T11616]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  574.814679][T11616]  console_flush_one_record (kernel/printk/printk.c:3268)
[  574.814682][T11616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  574.814684][T11616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  574.814686][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814688][T11616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  574.814690][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814691][T11616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  574.814692][T11616]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  574.814694][T11616]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  574.814695][T11616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  574.814698][T11616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  574.814699][T11616]  vprintk_emit (kernel/printk/printk.c:2479)
[  574.814701][T11616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  574.814702][T11616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  574.814704][T11616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  574.814707][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814708][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814710][T11616]  _printk (kernel/printk/printk.c:2504)
[  574.814713][T11616]  ? snapshot_read.cold (user.c:?)
[  574.814715][T11616]  ? br_multicast_flood (??:?)
[  574.814719][T11616]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  574.814721][T11616]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  574.814723][T11616]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  574.814724][T11616]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  574.814727][T11616]  br_init_port (net/bridge/br_stp_if.c:39)
[  574.814729][T11616]  new_nbp (net/bridge/br_if.c:449)
[  574.814731][T11616]  br_add_if (net/bridge/br_if.c:592)
[  574.814733][T11616]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  574.814737][T11616]  do_set_master (net/core/rtnetlink.c:3071)
[  574.814739][T11616]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  574.814741][T11616]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  574.814742][T11616]  ? __dev_get_by_name (net/core/dev.c:905)
[  574.814744][T11616]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  574.814748][T11616]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  574.814750][T11616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  574.814752][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814754][T11616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  574.814755][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814757][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814758][T11616]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  574.814761][T11616]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  574.814762][T11616]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  574.814765][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814766][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814768][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814769][T11616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  574.814770][T11616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  574.814772][T11616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  574.814773][T11616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  574.814775][T11616]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  574.814779][T11616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  574.814782][T11616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  574.814783][T11616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  574.814785][T11616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  574.814787][T11616]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  574.814790][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814791][T11616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  574.814793][T11616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  574.814795][T11616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  574.814797][T11616]  ? next_uptodate_folio (mm/filemap.c:3747)
[  574.814800][T11616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  574.814803][T11616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  574.814805][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814806][T11616]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  574.814810][T11616]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  574.814812][T11616]  ____sys_sendmsg (net/socket.c:2713)
[  574.814814][T11616]  ? copy_msghdr_from_user (net/socket.c:2650)
[  574.814816][T11616]  ? sock_write_iter (net/socket.c:1269)
[  574.814818][T11616]  ? move_addr_to_kernel (net/socket.c:258)
[  574.814820][T11616]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  574.814822][T11616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.814824][T11616]  ___sys_sendmsg (net/socket.c:2767)
[  574.814831][T11616]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  574.814833][T11616]  ? copy_msghdr_from_user (net/socket.c:2619)
[  574.814834][T11616]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  574.814839][T11616]  __sys_sendmsg (net/socket.c:2799)
[  574.814841][T11616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  574.814844][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814845][T11616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.814846][T11616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  574.814849][T11616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  574.814851][T11616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  574.814853][T11616] RIP: 0033:0x7f53e630654e
[  574.814855][T11616] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  574.814857][T11616] RSP: 002b:00007ffd924b4870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  574.814860][T11616] RAX: ffffffffffffffda RBX: 00007ffd924b5038 RCX: 00007f53e630654e
[  574.814862][T11616] RDX: 0000000000000000 RSI: 00007ffd924b4920 RDI: 0000000000000005
[  574.814863][T11616] RBP: 00007ffd924b4880 R08: 0000000000000000 R09: 0000000000000000
[  574.814864][T11616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911204
[  574.814865][T11616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd924b4ff0
| [  581.583065][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  581.583067][   T12] Preemption disabled at:
| [  581.583068][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  581.583079][   T12] Tainted: [W]=WARN
[  581.583080][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  581.583081][   T12] Workqueue: netns cleanup_net
[  581.583087][   T12] Call Trace:
[  581.583089][   T12]  <TASK>
[  581.583090][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  581.583095][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  581.583097][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  581.583100][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  581.583102][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  581.583106][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583108][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  581.583111][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  581.583114][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  581.583119][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  581.583121][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  581.583124][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  581.583125][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  581.583127][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  581.583129][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  581.583134][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  581.583136][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  581.583138][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  581.583140][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583141][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583143][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  581.583146][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  581.583148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583151][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  581.583153][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  581.583155][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  581.583158][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  581.583160][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  581.583162][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  581.583164][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  581.583166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583167][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  581.583168][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  581.583170][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  581.583171][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  581.583173][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  581.583175][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  581.583177][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  581.583178][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  581.583179][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  581.583182][   T12]  ? kthread (kernel/kthread.c:436)
[  581.583184][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  581.583187][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  581.583189][   T12]  _printk (kernel/printk/printk.c:2504)
[  581.583193][   T12]  ? snapshot_read.cold (user.c:?)
[  581.583195][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  581.583198][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  581.583200][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  581.583202][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  581.583204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583206][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  581.583207][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  581.583210][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  581.583212][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  581.583213][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  581.583215][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  581.583218][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  581.583222][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  581.583224][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  581.583226][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  581.583228][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  581.583230][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  581.583233][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  581.583235][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  581.583237][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  581.583239][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  581.583240][   T12]  process_one_work (kernel/workqueue.c:3387)
[  581.583243][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  581.583246][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  581.583248][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  581.583251][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  581.583253][   T12]  kthread (kernel/kthread.c:436)
[  581.583255][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  581.583256][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  581.583258][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  581.583260][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  581.583262][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  581.583265][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  581.583267][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  582.748729][T11778] softirqs last disabled at (0): 0x0
| [  582.748731][T11778] Preemption disabled at:
| [  582.748731][T11778] vprintk_emit (kernel/printk/printk.c:2471)
| [  582.748741][T11778] Tainted: [W]=WARN
[  582.748742][T11778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  582.748744][T11778] Call Trace:
[  582.748745][T11778]  <TASK>
[  582.748747][T11778]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  582.748752][T11778]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  582.748753][T11778]  __might_resched.cold (kernel/sched/core.c:9234)
[  582.748757][T11778]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  582.748759][T11778]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  582.748762][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748765][T11778]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  582.748767][T11778]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  582.748771][T11778]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  582.748776][T11778]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  582.748777][T11778]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  582.748780][T11778]  put_chars (drivers/char/virtio_console.c:1176)
[  582.748782][T11778]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  582.748783][T11778]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  582.748786][T11778]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  582.748791][T11778]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  582.748792][T11778]  ? vsnprintf (lib/vsprintf.c:2900)
[  582.748796][T11778]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  582.748797][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748798][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748800][T11778]  console_emit_next_record (kernel/printk/printk.c:3183)
[  582.748803][T11778]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  582.748805][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748806][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748807][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748808][T11778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.748810][T11778]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  582.748812][T11778]  console_flush_one_record (kernel/printk/printk.c:3268)
[  582.748814][T11778]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  582.748817][T11778]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  582.748819][T11778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.748820][T11778]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  582.748822][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748823][T11778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  582.748825][T11778]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  582.748826][T11778]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  582.748827][T11778]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  582.748829][T11778]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  582.748831][T11778]  vprintk_emit (kernel/printk/printk.c:2479)
[  582.748832][T11778]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  582.748833][T11778]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  582.748835][T11778]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  582.748838][T11778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.748839][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748841][T11778]  _printk (kernel/printk/printk.c:2504)
[  582.748844][T11778]  ? snapshot_read.cold (user.c:?)
[  582.748846][T11778]  ? br_multicast_flood (??:?)
[  582.748849][T11778]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  582.748852][T11778]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  582.748853][T11778]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  582.748859][T11778]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  582.748861][T11778]  br_init_port (net/bridge/br_stp_if.c:39)
[  582.748863][T11778]  new_nbp (net/bridge/br_if.c:449)
[  582.748865][T11778]  br_add_if (net/bridge/br_if.c:592)
[  582.748867][T11778]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  582.748871][T11778]  do_set_master (net/core/rtnetlink.c:3071)
[  582.748873][T11778]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  582.748875][T11778]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  582.748876][T11778]  ? __dev_get_by_name (net/core/dev.c:905)
[  582.748878][T11778]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  582.748882][T11778]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  582.748884][T11778]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  582.748886][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748888][T11778]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.748889][T11778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.748890][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748892][T11778]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  582.748894][T11778]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  582.748896][T11778]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  582.748898][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748899][T11778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.748901][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748902][T11778]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  582.748903][T11778]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  582.748905][T11778]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  582.748906][T11778]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  582.748908][T11778]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  582.748912][T11778]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  582.748915][T11778]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  582.748916][T11778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  582.748917][T11778]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  582.748919][T11778]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  582.748922][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748923][T11778]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  582.748925][T11778]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  582.748927][T11778]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  582.748929][T11778]  ? next_uptodate_folio (mm/filemap.c:3747)
[  582.748932][T11778]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  582.748934][T11778]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  582.748936][T11778]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  582.748937][T11778]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  582.748941][T11778]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  582.748943][T11778]  ____sys_sendmsg (net/socket.c:2713)
[  582.748945][T11778]  ? copy_msghdr_from_user (net/socket.c:2650)
[  582.748947][T11778]  ? sock_write_iter (net/socket.c:1269)
[  582.748948][T11778]  ? move_addr_to_kernel (net/socket.c:258)
[  582.748950][T11778]  ? update_cfs_rq_load_avg (kernel/sched/fair.c:5687)
[  582.748953][T11778]  ___sys_sendmsg (net/socket.c:2767)
[  582.748955][T11778]  ? update_load_avg (kernel/sched/fair.c:5864)
[  582.748957][T11778]  ? copy_msghdr_from_user (net/socket.c:2619)
[  582.748959][T11778]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  582.748964][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748965][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748966][T11778]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  582.748967][T11778]  __sys_sendmsg (net/socket.c:2799)
[  582.748969][T11778]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  582.748972][T11778]  ? 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)
[  582.748973][T11778]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[  582.748976][T11778]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  582.748978][T11778]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  582.748980][T11778]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  582.748982][T11778] RIP: 0033:0x7f8a5420754e
[  582.748984][T11778] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  582.748986][T11778] RSP: 002b:00007ffcb87f8550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  582.748990][T11778] RAX: ffffffffffffffda RBX: 00007ffcb87f8d18 RCX: 00007f8a5420754e
[  582.748991][T11778] RDX: 0000000000000000 RSI: 00007ffcb87f8600 RDI: 0000000000000005
[  582.748992][T11778] RBP: 00007ffcb87f8560 R08: 0000000000000000 R09: 0000000000000000
[  582.748993][T11778] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91120c
[  582.748994][T11778] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb87f8cd0
| [  584.048780][T11847] softirqs last disabled at (0): 0x0
| [  584.048782][T11847] Preemption disabled at:
| [  584.048783][T11847] vprintk_emit (kernel/printk/printk.c:2471)
| [  584.048794][T11847] Tainted: [W]=WARN
[  584.048794][T11847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  584.048796][T11847] Call Trace:
[  584.048798][T11847]  <TASK>
[  584.048799][T11847]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  584.048805][T11847]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  584.048806][T11847]  __might_resched.cold (kernel/sched/core.c:9234)
[  584.048813][T11847]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  584.048816][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048819][T11847]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  584.048822][T11847]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.048825][T11847]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.048830][T11847]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  584.048831][T11847]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.048834][T11847]  put_chars (drivers/char/virtio_console.c:1176)
[  584.048836][T11847]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  584.048837][T11847]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  584.048839][T11847]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  584.048841][T11847]  ? pointer (lib/vsprintf.c:2577)
[  584.048845][T11847]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  584.048849][T11847]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  584.048851][T11847]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.048853][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.048855][T11847]  console_emit_next_record (kernel/printk/printk.c:3183)
[  584.048862][T11847]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  584.048864][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048866][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048867][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048868][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.048870][T11847]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  584.048872][T11847]  console_flush_one_record (kernel/printk/printk.c:3268)
[  584.048874][T11847]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  584.048877][T11847]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  584.048879][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.048880][T11847]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  584.048882][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048883][T11847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.048884][T11847]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  584.048886][T11847]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  584.048887][T11847]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  584.048890][T11847]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  584.048891][T11847]  vprintk_emit (kernel/printk/printk.c:2479)
[  584.048893][T11847]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  584.048894][T11847]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  584.048896][T11847]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  584.048899][T11847]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  584.048902][T11847]  _printk (kernel/printk/printk.c:2504)
[  584.048905][T11847]  ? snapshot_read.cold (user.c:?)
[  584.048907][T11847]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  584.048909][T11847]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  584.048912][T11847]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  584.048914][T11847]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  584.048917][T11847]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  584.048920][T11847]  ? netdev_notice (net/core/dev.c:13194)
[  584.048922][T11847]  ? 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)
[  584.048924][T11847]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  584.048926][T11847]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.048928][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048929][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048930][T11847]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  584.048931][T11847]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  584.048933][T11847]  ? 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)
[  584.048934][T11847]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  584.048935][T11847]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  584.048937][T11847]  ? register_netdev (net/core/dev.c:11618)
[  584.048939][T11847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.048940][T11847]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  584.048943][T11847]  ? __kernel_text_address (kernel/extable.c:79)
[  584.048946][T11847]  ? write_profile (profile.c:?)
[  584.048949][T11847]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  584.048952][T11847]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  584.048954][T11847]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  584.048956][T11847]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  584.048957][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048958][T11847]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  584.048961][T11847]  ? kasan_save_stack (mm/kasan/common.c:58)
[  584.048963][T11847]  ? kasan_save_stack (mm/kasan/common.c:57)
[  584.048964][T11847]  ? kasan_save_track (mm/kasan/common.c:78)
[  584.048965][T11847]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  584.048967][T11847]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  584.048968][T11847]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  584.048969][T11847]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  584.048970][T11847]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  584.048973][T11847]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  584.048974][T11847]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  584.048976][T11847]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  584.048978][T11847]  ? ____sys_sendmsg (net/socket.c:2713)
[  584.048980][T11847]  ? ___sys_sendmsg (net/socket.c:2767)
[  584.048981][T11847]  ? __sys_sendmsg (net/socket.c:2799)
[  584.048983][T11847]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  584.048985][T11847]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  584.048987][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048989][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.048990][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048991][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.048992][T11847]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  584.048994][T11847]  ? __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)
[  584.048995][T11847]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  584.048996][T11847]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  584.048997][T11847]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  584.048998][T11847]  ? nla_get_range_signed (lib/nlattr.c:270)
[  584.049002][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049003][T11847]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  584.049005][T11847]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  584.049007][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049008][T11847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  584.049010][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.049011][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049012][T11847]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  584.049015][T11847]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  584.049016][T11847]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  584.049018][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049019][T11847]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  584.049022][T11847]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  584.049024][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049025][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.049027][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049028][T11847]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  584.049029][T11847]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  584.049031][T11847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  584.049033][T11847]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  584.049034][T11847]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  584.049036][T11847]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  584.049038][T11847]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  584.049040][T11847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.049041][T11847]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  584.049043][T11847]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  584.049046][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049047][T11847]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.049049][T11847]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  584.049051][T11847]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  584.049053][T11847]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  584.049055][T11847]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  584.049057][T11847]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  584.049059][T11847]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  584.049060][T11847]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.049062][T11847]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  584.049065][T11847]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  584.049067][T11847]  ____sys_sendmsg (net/socket.c:2713)
[  584.049068][T11847]  ? copy_msghdr_from_user (net/socket.c:2650)
[  584.049070][T11847]  ? sock_write_iter (net/socket.c:1269)
[  584.049072][T11847]  ? move_addr_to_kernel (net/socket.c:258)
[  584.049073][T11847]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  584.049076][T11847]  ___sys_sendmsg (net/socket.c:2767)
[  584.049077][T11847]  ? copy_msghdr_from_user (net/socket.c:2619)
[  584.049082][T11847]  __sys_sendmsg (net/socket.c:2799)
[  584.049084][T11847]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  584.049087][T11847]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.049088][T11847]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  584.049090][T11847]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  584.049092][T11847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  584.049093][T11847] RIP: 0033:0x7fb9f88b354e
[  584.049095][T11847] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  584.049097][T11847] RSP: 002b:00007fffd76cfa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  584.049101][T11847] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb9f88b354e
[  584.049102][T11847] RDX: 0000000000000000 RSI: 00007fffd76cfb10 RDI: 0000000000000005
[  584.049103][T11847] RBP: 00007fffd76cfa70 R08: 0000000000000000 R09: 0000000000000000
[  584.049104][T11847] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91120d
[  584.049105][T11847] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd76d01d0
| [  585.090636][T11897] softirqs last disabled at (0): 0x0
| [  585.090637][T11897] Preemption disabled at:
| [  585.090638][T11897] vprintk_emit (kernel/printk/printk.c:2471)
| [  585.090648][T11897] Tainted: [W]=WARN
[  585.090649][T11897] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  585.090651][T11897] Call Trace:
[  585.090652][T11897]  <TASK>
[  585.090654][T11897]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  585.090659][T11897]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  585.090660][T11897]  __might_resched.cold (kernel/sched/core.c:9234)
[  585.090664][T11897]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  585.090666][T11897]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  585.090670][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090672][T11897]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  585.090675][T11897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.090678][T11897]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.090683][T11897]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  585.090685][T11897]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.090687][T11897]  put_chars (drivers/char/virtio_console.c:1176)
[  585.090689][T11897]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  585.090691][T11897]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  585.090693][T11897]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  585.090698][T11897]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  585.090700][T11897]  ? vsnprintf (lib/vsprintf.c:2900)
[  585.090703][T11897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.090705][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090706][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090708][T11897]  console_emit_next_record (kernel/printk/printk.c:3183)
[  585.090710][T11897]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  585.090712][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090713][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090714][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090715][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090718][T11897]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  585.090719][T11897]  console_flush_one_record (kernel/printk/printk.c:3268)
[  585.090722][T11897]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  585.090725][T11897]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  585.090726][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090728][T11897]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  585.090730][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090731][T11897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.090732][T11897]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  585.090734][T11897]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  585.090735][T11897]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  585.090737][T11897]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  585.090739][T11897]  vprintk_emit (kernel/printk/printk.c:2479)
[  585.090741][T11897]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  585.090742][T11897]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.090743][T11897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  585.090746][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090748][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090749][T11897]  _printk (kernel/printk/printk.c:2504)
[  585.090753][T11897]  ? snapshot_read.cold (user.c:?)
[  585.090755][T11897]  ? br_multicast_flood (??:?)
[  585.090758][T11897]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  585.090761][T11897]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  585.090762][T11897]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  585.090764][T11897]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  585.090766][T11897]  br_init_port (net/bridge/br_stp_if.c:39)
[  585.090768][T11897]  new_nbp (net/bridge/br_if.c:449)
[  585.090771][T11897]  br_add_if (net/bridge/br_if.c:592)
[  585.090772][T11897]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  585.090776][T11897]  do_set_master (net/core/rtnetlink.c:3071)
[  585.090778][T11897]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  585.090780][T11897]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  585.090781][T11897]  ? __dev_get_by_name (net/core/dev.c:905)
[  585.090783][T11897]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  585.090787][T11897]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  585.090789][T11897]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  585.090791][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090793][T11897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  585.090794][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090795][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090797][T11897]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  585.090799][T11897]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  585.090801][T11897]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  585.090804][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090805][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090806][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090807][T11897]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  585.090809][T11897]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  585.090810][T11897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  585.090812][T11897]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  585.090813][T11897]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  585.090817][T11897]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  585.090819][T11897]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  585.090821][T11897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.090822][T11897]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  585.090824][T11897]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  585.090827][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090828][T11897]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.090830][T11897]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  585.090832][T11897]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  585.090834][T11897]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  585.090837][T11897]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  585.090839][T11897]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  585.090842][T11897]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  585.090844][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090845][T11897]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  585.090848][T11897]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  585.090851][T11897]  ____sys_sendmsg (net/socket.c:2713)
[  585.090853][T11897]  ? copy_msghdr_from_user (net/socket.c:2650)
[  585.090855][T11897]  ? sock_write_iter (net/socket.c:1269)
[  585.090856][T11897]  ? move_addr_to_kernel (net/socket.c:258)
[  585.090858][T11897]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  585.090861][T11897]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.090867][T11897]  ___sys_sendmsg (net/socket.c:2767)
[  585.090869][T11897]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  585.090871][T11897]  ? copy_msghdr_from_user (net/socket.c:2619)
[  585.090872][T11897]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  585.090877][T11897]  __sys_sendmsg (net/socket.c:2799)
[  585.090879][T11897]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  585.090882][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090883][T11897]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.090884][T11897]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  585.090887][T11897]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  585.090889][T11897]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  585.090891][T11897] RIP: 0033:0x7fc7faafe54e
[  585.090893][T11897] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  585.090895][T11897] RSP: 002b:00007ffe9c48ce80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  585.090898][T11897] RAX: ffffffffffffffda RBX: 00007ffe9c48d648 RCX: 00007fc7faafe54e
[  585.090899][T11897] RDX: 0000000000000000 RSI: 00007ffe9c48cf30 RDI: 0000000000000005
[  585.090900][T11897] RBP: 00007ffe9c48ce90 R08: 0000000000000000 R09: 0000000000000000
[  585.090901][T11897] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91120e
[  585.090902][T11897] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9c48d600
| [  591.845365][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  591.845367][   T12] Preemption disabled at:
| [  591.845368][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  591.845379][   T12] Tainted: [W]=WARN
[  591.845380][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  591.845381][   T12] Workqueue: netns cleanup_net
[  591.845386][   T12] Call Trace:
[  591.845388][   T12]  <TASK>
[  591.845390][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  591.845395][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  591.845396][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  591.845400][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  591.845402][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  591.845405][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845408][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  591.845410][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  591.845413][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  591.845418][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  591.845420][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  591.845423][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  591.845425][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  591.845426][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  591.845429][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  591.845433][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  591.845435][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  591.845438][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  591.845440][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845442][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  591.845445][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  591.845447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845450][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.845452][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  591.845454][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  591.845456][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  591.845459][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  591.845461][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.845463][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  591.845464][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845465][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  591.845467][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  591.845468][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  591.845470][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  591.845472][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  591.845473][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  591.845474][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  591.845476][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  591.845477][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  591.845480][   T12]  ? kthread (kernel/kthread.c:436)
[  591.845482][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  591.845485][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  591.845487][   T12]  _printk (kernel/printk/printk.c:2504)
[  591.845491][   T12]  ? snapshot_read.cold (user.c:?)
[  591.845493][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  591.845500][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  591.845503][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  591.845505][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  591.845507][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845508][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  591.845510][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  591.845513][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  591.845514][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  591.845516][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  591.845518][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  591.845521][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  591.845524][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  591.845527][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  591.845529][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  591.845531][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  591.845533][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  591.845536][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  591.845538][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  591.845539][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  591.845542][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  591.845544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  591.845545][   T12]  process_one_work (kernel/workqueue.c:3387)
[  591.845548][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  591.845551][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  591.845553][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  591.845556][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  591.845558][   T12]  kthread (kernel/kthread.c:436)
[  591.845560][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  591.845561][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  591.845563][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  591.845565][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  591.845567][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  591.845570][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  591.845572][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  593.015323][T12060] softirqs last disabled at (0): 0x0
| [  593.015325][T12060] Preemption disabled at:
| [  593.015326][T12060] vprintk_emit (kernel/printk/printk.c:2471)
| [  593.015335][T12060] Tainted: [W]=WARN
[  593.015336][T12060] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  593.015338][T12060] Call Trace:
[  593.015339][T12060]  <TASK>
[  593.015341][T12060]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  593.015346][T12060]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  593.015348][T12060]  __might_resched.cold (kernel/sched/core.c:9234)
[  593.015352][T12060]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  593.015354][T12060]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  593.015357][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015360][T12060]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  593.015363][T12060]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.015366][T12060]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.015371][T12060]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  593.015373][T12060]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.015375][T12060]  put_chars (drivers/char/virtio_console.c:1176)
[  593.015377][T12060]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  593.015379][T12060]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  593.015381][T12060]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  593.015386][T12060]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  593.015388][T12060]  ? vsnprintf (lib/vsprintf.c:2900)
[  593.015391][T12060]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.015393][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015394][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015396][T12060]  console_emit_next_record (kernel/printk/printk.c:3183)
[  593.015399][T12060]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  593.015401][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015402][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015403][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015404][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015406][T12060]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  593.015408][T12060]  console_flush_one_record (kernel/printk/printk.c:3268)
[  593.015411][T12060]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  593.015414][T12060]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  593.015415][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015417][T12060]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  593.015419][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015420][T12060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.015421][T12060]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  593.015423][T12060]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  593.015424][T12060]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  593.015426][T12060]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  593.015428][T12060]  vprintk_emit (kernel/printk/printk.c:2479)
[  593.015429][T12060]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  593.015431][T12060]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.015432][T12060]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  593.015435][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015437][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015438][T12060]  _printk (kernel/printk/printk.c:2504)
[  593.015441][T12060]  ? snapshot_read.cold (user.c:?)
[  593.015443][T12060]  ? br_multicast_flood (??:?)
[  593.015447][T12060]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  593.015449][T12060]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  593.015451][T12060]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  593.015452][T12060]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  593.015455][T12060]  br_init_port (net/bridge/br_stp_if.c:39)
[  593.015457][T12060]  new_nbp (net/bridge/br_if.c:449)
[  593.015459][T12060]  br_add_if (net/bridge/br_if.c:592)
[  593.015461][T12060]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  593.015465][T12060]  do_set_master (net/core/rtnetlink.c:3071)
[  593.015467][T12060]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  593.015469][T12060]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  593.015470][T12060]  ? __dev_get_by_name (net/core/dev.c:905)
[  593.015472][T12060]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  593.015476][T12060]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  593.015478][T12060]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  593.015480][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015482][T12060]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  593.015483][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015484][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015486][T12060]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  593.015488][T12060]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  593.015490][T12060]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  593.015492][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015494][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015495][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015498][T12060]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  593.015500][T12060]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  593.015502][T12060]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  593.015503][T12060]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  593.015505][T12060]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  593.015508][T12060]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  593.015511][T12060]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  593.015512][T12060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.015514][T12060]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  593.015516][T12060]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  593.015519][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015520][T12060]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.015522][T12060]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  593.015524][T12060]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  593.015526][T12060]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  593.015529][T12060]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  593.015532][T12060]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  593.015534][T12060]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  593.015536][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015538][T12060]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  593.015541][T12060]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  593.015544][T12060]  ____sys_sendmsg (net/socket.c:2713)
[  593.015545][T12060]  ? copy_msghdr_from_user (net/socket.c:2650)
[  593.015547][T12060]  ? sock_write_iter (net/socket.c:1269)
[  593.015549][T12060]  ? move_addr_to_kernel (net/socket.c:258)
[  593.015551][T12060]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  593.015553][T12060]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.015555][T12060]  ___sys_sendmsg (net/socket.c:2767)
[  593.015557][T12060]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  593.015559][T12060]  ? copy_msghdr_from_user (net/socket.c:2619)
[  593.015560][T12060]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  593.015565][T12060]  __sys_sendmsg (net/socket.c:2799)
[  593.015567][T12060]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  593.015570][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015571][T12060]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.015572][T12060]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  593.015575][T12060]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  593.015577][T12060]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  593.015579][T12060] RIP: 0033:0x7f1347dae54e
[  593.015581][T12060] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  593.015583][T12060] RSP: 002b:00007ffc71d045d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  593.015586][T12060] RAX: ffffffffffffffda RBX: 00007ffc71d04d98 RCX: 00007f1347dae54e
[  593.015588][T12060] RDX: 0000000000000000 RSI: 00007ffc71d04680 RDI: 0000000000000005
[  593.015589][T12060] RBP: 00007ffc71d045e0 R08: 0000000000000000 R09: 0000000000000000
[  593.015590][T12060] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911216
[  593.015590][T12060] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc71d04d50
| [  594.312560][T12129] softirqs last disabled at (0): 0x0
| [  594.312562][T12129] Preemption disabled at:
| [  594.312563][T12129] vprintk_emit (kernel/printk/printk.c:2471)
| [  594.312573][T12129] Tainted: [W]=WARN
[  594.312574][T12129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  594.312576][T12129] Call Trace:
[  594.312577][T12129]  <TASK>
[  594.312578][T12129]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  594.312584][T12129]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  594.312585][T12129]  __might_resched.cold (kernel/sched/core.c:9234)
[  594.312589][T12129]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  594.312592][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312595][T12129]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  594.312598][T12129]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.312601][T12129]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.312606][T12129]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  594.312607][T12129]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  594.312610][T12129]  put_chars (drivers/char/virtio_console.c:1176)
[  594.312612][T12129]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  594.312613][T12129]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  594.312616][T12129]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  594.312618][T12129]  ? pointer (lib/vsprintf.c:2577)
[  594.312621][T12129]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  594.312626][T12129]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  594.312627][T12129]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.312629][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312632][T12129]  console_emit_next_record (kernel/printk/printk.c:3183)
[  594.312635][T12129]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  594.312637][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312638][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312639][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312640][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312642][T12129]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  594.312644][T12129]  console_flush_one_record (kernel/printk/printk.c:3268)
[  594.312646][T12129]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  594.312649][T12129]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  594.312651][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312653][T12129]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  594.312654][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312655][T12129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.312657][T12129]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  594.312658][T12129]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  594.312660][T12129]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  594.312662][T12129]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  594.312663][T12129]  vprintk_emit (kernel/printk/printk.c:2479)
[  594.312665][T12129]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  594.312666][T12129]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  594.312668][T12129]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  594.312672][T12129]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  594.312674][T12129]  _printk (kernel/printk/printk.c:2504)
[  594.312677][T12129]  ? snapshot_read.cold (user.c:?)
[  594.312679][T12129]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  594.312681][T12129]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  594.312684][T12129]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  594.312686][T12129]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.312689][T12129]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  594.312692][T12129]  ? netdev_notice (net/core/dev.c:13194)
[  594.312694][T12129]  ? 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)
[  594.312695][T12129]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  594.312698][T12129]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  594.312699][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312701][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312702][T12129]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  594.312703][T12129]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  594.312705][T12129]  ? 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)
[  594.312706][T12129]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.312708][T12129]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  594.312709][T12129]  ? register_netdev (net/core/dev.c:11618)
[  594.312711][T12129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.312713][T12129]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  594.312715][T12129]  ? __kernel_text_address (kernel/extable.c:79)
[  594.312718][T12129]  ? write_profile (profile.c:?)
[  594.312721][T12129]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  594.312724][T12129]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  594.312726][T12129]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  594.312728][T12129]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  594.312729][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312730][T12129]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  594.312733][T12129]  ? kasan_save_stack (mm/kasan/common.c:58)
[  594.312735][T12129]  ? kasan_save_stack (mm/kasan/common.c:57)
[  594.312736][T12129]  ? kasan_save_track (mm/kasan/common.c:78)
[  594.312737][T12129]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  594.312739][T12129]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  594.312740][T12129]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  594.312741][T12129]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  594.312742][T12129]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  594.312745][T12129]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  594.312746][T12129]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  594.312748][T12129]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  594.312750][T12129]  ? ____sys_sendmsg (net/socket.c:2713)
[  594.312752][T12129]  ? ___sys_sendmsg (net/socket.c:2767)
[  594.312753][T12129]  ? __sys_sendmsg (net/socket.c:2799)
[  594.312755][T12129]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  594.312757][T12129]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.312760][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312761][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312762][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312763][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312765][T12129]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  594.312766][T12129]  ? __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)
[  594.312767][T12129]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  594.312768][T12129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  594.312770][T12129]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  594.312771][T12129]  ? nla_get_range_signed (lib/nlattr.c:270)
[  594.312774][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312775][T12129]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  594.312777][T12129]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  594.312779][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312781][T12129]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.312782][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312783][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312785][T12129]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  594.312787][T12129]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  594.312788][T12129]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  594.312789][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312791][T12129]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  594.312794][T12129]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  594.312796][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312797][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312798][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312800][T12129]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  594.312801][T12129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  594.312803][T12129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.312804][T12129]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  594.312806][T12129]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  594.312808][T12129]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  594.312809][T12129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  594.312811][T12129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.312813][T12129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  594.312814][T12129]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  594.312817][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312818][T12129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  594.312820][T12129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  594.312823][T12129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  594.312824][T12129]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.312826][T12129]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  594.312828][T12129]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  594.312830][T12129]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  594.312832][T12129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  594.312833][T12129]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  594.312836][T12129]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  594.312838][T12129]  ____sys_sendmsg (net/socket.c:2713)
[  594.312840][T12129]  ? copy_msghdr_from_user (net/socket.c:2650)
[  594.312842][T12129]  ? sock_write_iter (net/socket.c:1269)
[  594.312843][T12129]  ? move_addr_to_kernel (net/socket.c:258)
[  594.312845][T12129]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  594.312847][T12129]  ___sys_sendmsg (net/socket.c:2767)
[  594.312849][T12129]  ? copy_msghdr_from_user (net/socket.c:2619)
[  594.312854][T12129]  __sys_sendmsg (net/socket.c:2799)
[  594.312856][T12129]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  594.312859][T12129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  594.312860][T12129]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  594.312862][T12129]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  594.312864][T12129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  594.312865][T12129] RIP: 0033:0x7fd7d97f254e
[  594.312867][T12129] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  594.312869][T12129] RSP: 002b:00007ffc7133d2c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  594.312873][T12129] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd7d97f254e
[  594.312874][T12129] RDX: 0000000000000000 RSI: 00007ffc7133d370 RDI: 0000000000000005
[  594.312875][T12129] RBP: 00007ffc7133d2d0 R08: 0000000000000000 R09: 0000000000000000
[  594.312876][T12129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911217
[  594.312877][T12129] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7133da30
| [  595.404460][T12186] softirqs last disabled at (0): 0x0
| [  595.404461][T12186] Preemption disabled at:
| [  595.404462][T12186] vprintk_emit (kernel/printk/printk.c:2471)
| [  595.404472][T12186] Tainted: [W]=WARN
[  595.404473][T12186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  595.404475][T12186] Call Trace:
[  595.404476][T12186]  <TASK>
[  595.404478][T12186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  595.404483][T12186]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  595.404485][T12186]  __might_resched.cold (kernel/sched/core.c:9234)
[  595.404488][T12186]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  595.404490][T12186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  595.404493][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404496][T12186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  595.404501][T12186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.404504][T12186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.404509][T12186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  595.404510][T12186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  595.404513][T12186]  put_chars (drivers/char/virtio_console.c:1176)
[  595.404515][T12186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  595.404517][T12186]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  595.404519][T12186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  595.404524][T12186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  595.404526][T12186]  ? vsnprintf (lib/vsprintf.c:2900)
[  595.404529][T12186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.404531][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404532][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404534][T12186]  console_emit_next_record (kernel/printk/printk.c:3183)
[  595.404536][T12186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  595.404539][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404540][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404540][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404542][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404544][T12186]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  595.404546][T12186]  console_flush_one_record (kernel/printk/printk.c:3268)
[  595.404548][T12186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  595.404551][T12186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  595.404553][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404554][T12186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  595.404556][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404557][T12186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.404559][T12186]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  595.404560][T12186]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  595.404562][T12186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  595.404564][T12186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  595.404565][T12186]  vprintk_emit (kernel/printk/printk.c:2479)
[  595.404567][T12186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  595.404568][T12186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  595.404570][T12186]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  595.404573][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404574][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404576][T12186]  _printk (kernel/printk/printk.c:2504)
[  595.404579][T12186]  ? snapshot_read.cold (user.c:?)
[  595.404581][T12186]  ? br_multicast_flood (??:?)
[  595.404584][T12186]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  595.404587][T12186]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  595.404588][T12186]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  595.404590][T12186]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  595.404593][T12186]  br_init_port (net/bridge/br_stp_if.c:39)
[  595.404594][T12186]  new_nbp (net/bridge/br_if.c:449)
[  595.404597][T12186]  br_add_if (net/bridge/br_if.c:592)
[  595.404598][T12186]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  595.404603][T12186]  do_set_master (net/core/rtnetlink.c:3071)
[  595.404605][T12186]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  595.404607][T12186]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  595.404608][T12186]  ? __dev_get_by_name (net/core/dev.c:905)
[  595.404610][T12186]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  595.404614][T12186]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  595.404616][T12186]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  595.404618][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404620][T12186]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.404621][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404622][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404624][T12186]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  595.404626][T12186]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  595.404628][T12186]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  595.404630][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404631][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404633][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404634][T12186]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  595.404636][T12186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  595.404637][T12186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.404639][T12186]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  595.404640][T12186]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  595.404644][T12186]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  595.404647][T12186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  595.404649][T12186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.404650][T12186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  595.404652][T12186]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  595.404655][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404656][T12186]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  595.404658][T12186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  595.404660][T12186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  595.404662][T12186]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  595.404665][T12186]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  595.404668][T12186]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  595.404670][T12186]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  595.404672][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404674][T12186]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  595.404677][T12186]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  595.404680][T12186]  ____sys_sendmsg (net/socket.c:2713)
[  595.404682][T12186]  ? copy_msghdr_from_user (net/socket.c:2650)
[  595.404683][T12186]  ? sock_write_iter (net/socket.c:1269)
[  595.404685][T12186]  ? move_addr_to_kernel (net/socket.c:258)
[  595.404687][T12186]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  595.404690][T12186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  595.404692][T12186]  ___sys_sendmsg (net/socket.c:2767)
[  595.404693][T12186]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  595.404695][T12186]  ? copy_msghdr_from_user (net/socket.c:2619)
[  595.404697][T12186]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  595.404701][T12186]  __sys_sendmsg (net/socket.c:2799)
[  595.404703][T12186]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  595.404706][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404707][T12186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  595.404708][T12186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  595.404711][T12186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  595.404713][T12186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  595.404715][T12186] RIP: 0033:0x7ff25620e54e
[  595.404717][T12186] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  595.404719][T12186] RSP: 002b:00007ffc47e39300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  595.404722][T12186] RAX: ffffffffffffffda RBX: 00007ffc47e39ac8 RCX: 00007ff25620e54e
[  595.404723][T12186] RDX: 0000000000000000 RSI: 00007ffc47e393b0 RDI: 0000000000000005
[  595.404724][T12186] RBP: 00007ffc47e39310 R08: 0000000000000000 R09: 0000000000000000
[  595.404725][T12186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911218
[  595.404726][T12186] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc47e39a80
| [  601.423458][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  601.423460][   T12] Preemption disabled at:
| [  601.423461][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  601.423471][   T12] Tainted: [W]=WARN
[  601.423473][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  601.423474][   T12] Workqueue: netns cleanup_net
[  601.423480][   T12] Call Trace:
[  601.423481][   T12]  <TASK>
[  601.423482][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  601.423488][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  601.423489][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  601.423493][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  601.423499][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  601.423503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423506][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  601.423508][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  601.423511][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  601.423516][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  601.423518][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  601.423521][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  601.423522][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  601.423524][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  601.423527][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  601.423531][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  601.423533][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  601.423536][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  601.423537][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423540][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  601.423543][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  601.423545][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423547][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423549][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.423551][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  601.423553][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  601.423555][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  601.423558][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  601.423560][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.423562][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  601.423564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423565][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  601.423566][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  601.423568][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  601.423569][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  601.423571][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  601.423573][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  601.423575][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  601.423576][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  601.423577][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  601.423580][   T12]  ? kthread (kernel/kthread.c:436)
[  601.423582][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  601.423586][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  601.423588][   T12]  _printk (kernel/printk/printk.c:2504)
[  601.423591][   T12]  ? snapshot_read.cold (user.c:?)
[  601.423593][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  601.423597][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  601.423599][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  601.423601][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  601.423603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423604][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  601.423606][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  601.423609][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  601.423610][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  601.423612][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  601.423614][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  601.423617][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  601.423621][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  601.423623][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  601.423625][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  601.423627][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  601.423629][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  601.423632][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  601.423634][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  601.423636][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  601.423638][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  601.423640][   T12]  process_one_work (kernel/workqueue.c:3387)
[  601.423642][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  601.423645][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  601.423647][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  601.423650][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  601.423652][   T12]  kthread (kernel/kthread.c:436)
[  601.423654][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  601.423656][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  601.423658][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  601.423660][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  601.423662][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  601.423665][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  601.423667][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  602.669767][T12320] softirqs last disabled at (0): 0x0
| [  602.669769][T12320] Preemption disabled at:
| [  602.669770][T12320] vprintk_emit (kernel/printk/printk.c:2471)
| [  602.669780][T12320] Tainted: [W]=WARN
[  602.669781][T12320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  602.669783][T12320] Call Trace:
[  602.669784][T12320]  <TASK>
[  602.669785][T12320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  602.669791][T12320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  602.669792][T12320]  __might_resched.cold (kernel/sched/core.c:9234)
[  602.669796][T12320]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  602.669798][T12320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  602.669801][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669804][T12320]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  602.669806][T12320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.669809][T12320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.669814][T12320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  602.669816][T12320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.669819][T12320]  put_chars (drivers/char/virtio_console.c:1176)
[  602.669820][T12320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  602.669822][T12320]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  602.669825][T12320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  602.669829][T12320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  602.669831][T12320]  ? vsnprintf (lib/vsprintf.c:2900)
[  602.669834][T12320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.669836][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669837][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669839][T12320]  console_emit_next_record (kernel/printk/printk.c:3183)
[  602.669841][T12320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  602.669844][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669845][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669846][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669847][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669849][T12320]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  602.669851][T12320]  console_flush_one_record (kernel/printk/printk.c:3268)
[  602.669853][T12320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  602.669856][T12320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  602.669858][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669859][T12320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  602.669861][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669862][T12320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.669864][T12320]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  602.669865][T12320]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  602.669867][T12320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  602.669868][T12320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  602.669870][T12320]  vprintk_emit (kernel/printk/printk.c:2479)
[  602.669872][T12320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  602.669873][T12320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.669875][T12320]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.669877][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669879][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669880][T12320]  _printk (kernel/printk/printk.c:2504)
[  602.669883][T12320]  ? snapshot_read.cold (user.c:?)
[  602.669885][T12320]  ? br_multicast_flood (??:?)
[  602.669889][T12320]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  602.669891][T12320]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  602.669893][T12320]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.669894][T12320]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  602.669897][T12320]  br_init_port (net/bridge/br_stp_if.c:39)
[  602.669899][T12320]  new_nbp (net/bridge/br_if.c:449)
[  602.669901][T12320]  br_add_if (net/bridge/br_if.c:592)
[  602.669903][T12320]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  602.669907][T12320]  do_set_master (net/core/rtnetlink.c:3071)
[  602.669909][T12320]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  602.669911][T12320]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  602.669912][T12320]  ? __dev_get_by_name (net/core/dev.c:905)
[  602.669914][T12320]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  602.669918][T12320]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  602.669920][T12320]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.669922][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669923][T12320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.669929][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669931][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669932][T12320]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  602.669935][T12320]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  602.669937][T12320]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  602.669939][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669940][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669942][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669943][T12320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.669944][T12320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.669946][T12320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.669947][T12320]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.669949][T12320]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.669952][T12320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.669955][T12320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.669957][T12320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.669958][T12320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  602.669960][T12320]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  602.669963][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.669964][T12320]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.669966][T12320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.669969][T12320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  602.669970][T12320]  ? next_uptodate_folio (mm/filemap.c:3747)
[  602.669973][T12320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.669976][T12320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  602.669978][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669979][T12320]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  602.669983][T12320]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.669986][T12320]  ____sys_sendmsg (net/socket.c:2713)
[  602.669987][T12320]  ? copy_msghdr_from_user (net/socket.c:2650)
[  602.669989][T12320]  ? sock_write_iter (net/socket.c:1269)
[  602.669991][T12320]  ? move_addr_to_kernel (net/socket.c:258)
[  602.669993][T12320]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  602.669995][T12320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.669997][T12320]  ___sys_sendmsg (net/socket.c:2767)
[  602.669999][T12320]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  602.670001][T12320]  ? copy_msghdr_from_user (net/socket.c:2619)
[  602.670002][T12320]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  602.670007][T12320]  __sys_sendmsg (net/socket.c:2799)
[  602.670009][T12320]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  602.670011][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.670013][T12320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.670014][T12320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.670017][T12320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  602.670019][T12320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.670021][T12320] RIP: 0033:0x7fa818af454e
[  602.670023][T12320] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  602.670025][T12320] RSP: 002b:00007fff3b30c9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  602.670028][T12320] RAX: ffffffffffffffda RBX: 00007fff3b30d188 RCX: 00007fa818af454e
[  602.670030][T12320] RDX: 0000000000000000 RSI: 00007fff3b30ca70 RDI: 0000000000000005
[  602.670031][T12320] RBP: 00007fff3b30c9d0 R08: 0000000000000000 R09: 0000000000000000
[  602.670031][T12320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911220
[  602.670032][T12320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3b30d140
| [  604.047292][T12390] softirqs last disabled at (0): 0x0
| [  604.047294][T12390] Preemption disabled at:
| [  604.047294][T12390] vprintk_emit (kernel/printk/printk.c:2471)
| [  604.047305][T12390] Tainted: [W]=WARN
[  604.047305][T12390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  604.047307][T12390] Call Trace:
[  604.047309][T12390]  <TASK>
[  604.047310][T12390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  604.047315][T12390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  604.047317][T12390]  __might_resched.cold (kernel/sched/core.c:9234)
[  604.047321][T12390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  604.047324][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047327][T12390]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  604.047329][T12390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  604.047332][T12390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  604.047337][T12390]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  604.047339][T12390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  604.047342][T12390]  put_chars (drivers/char/virtio_console.c:1176)
[  604.047343][T12390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  604.047344][T12390]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  604.047347][T12390]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  604.047349][T12390]  ? pointer (lib/vsprintf.c:2577)
[  604.047353][T12390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  604.047357][T12390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  604.047359][T12390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  604.047361][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047364][T12390]  console_emit_next_record (kernel/printk/printk.c:3183)
[  604.047366][T12390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  604.047368][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047369][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047370][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047372][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047373][T12390]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  604.047375][T12390]  console_flush_one_record (kernel/printk/printk.c:3268)
[  604.047378][T12390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  604.047381][T12390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  604.047382][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047384][T12390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  604.047386][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047387][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  604.047388][T12390]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  604.047390][T12390]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  604.047391][T12390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  604.047394][T12390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  604.047395][T12390]  vprintk_emit (kernel/printk/printk.c:2479)
[  604.047397][T12390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  604.047398][T12390]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  604.047400][T12390]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  604.047403][T12390]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  604.047406][T12390]  _printk (kernel/printk/printk.c:2504)
[  604.047409][T12390]  ? snapshot_read.cold (user.c:?)
[  604.047411][T12390]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  604.047413][T12390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  604.047416][T12390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  604.047418][T12390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  604.047421][T12390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  604.047424][T12390]  ? netdev_notice (net/core/dev.c:13194)
[  604.047426][T12390]  ? 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)
[  604.047428][T12390]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  604.047430][T12390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  604.047432][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047433][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047434][T12390]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  604.047435][T12390]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  604.047437][T12390]  ? 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)
[  604.047438][T12390]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  604.047440][T12390]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  604.047442][T12390]  ? register_netdev (net/core/dev.c:11618)
[  604.047443][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  604.047445][T12390]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  604.047448][T12390]  ? __kernel_text_address (kernel/extable.c:79)
[  604.047450][T12390]  ? write_profile (profile.c:?)
[  604.047453][T12390]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  604.047457][T12390]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  604.047459][T12390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  604.047461][T12390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  604.047462][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047463][T12390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  604.047466][T12390]  ? kasan_save_stack (mm/kasan/common.c:58)
[  604.047468][T12390]  ? kasan_save_stack (mm/kasan/common.c:57)
[  604.047469][T12390]  ? kasan_save_track (mm/kasan/common.c:78)
[  604.047470][T12390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  604.047471][T12390]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  604.047472][T12390]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  604.047474][T12390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  604.047475][T12390]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  604.047478][T12390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  604.047479][T12390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  604.047481][T12390]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  604.047484][T12390]  ? ____sys_sendmsg (net/socket.c:2713)
[  604.047485][T12390]  ? ___sys_sendmsg (net/socket.c:2767)
[  604.047487][T12390]  ? __sys_sendmsg (net/socket.c:2799)
[  604.047488][T12390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  604.047491][T12390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  604.047493][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047494][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047498][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047500][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047501][T12390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  604.047502][T12390]  ? __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)
[  604.047503][T12390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  604.047505][T12390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  604.047506][T12390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  604.047507][T12390]  ? nla_get_range_signed (lib/nlattr.c:270)
[  604.047511][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047512][T12390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  604.047514][T12390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  604.047516][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047517][T12390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  604.047519][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047520][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047522][T12390]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  604.047524][T12390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  604.047525][T12390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  604.047527][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047528][T12390]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  604.047531][T12390]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  604.047533][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047534][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047536][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047537][T12390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  604.047538][T12390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  604.047540][T12390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  604.047541][T12390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  604.047543][T12390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  604.047545][T12390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  604.047547][T12390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  604.047548][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  604.047550][T12390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  604.047552][T12390]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  604.047555][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047556][T12390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  604.047558][T12390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  604.047560][T12390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  604.047562][T12390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  604.047564][T12390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  604.047566][T12390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  604.047568][T12390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  604.047569][T12390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  604.047571][T12390]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  604.047574][T12390]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  604.047576][T12390]  ____sys_sendmsg (net/socket.c:2713)
[  604.047578][T12390]  ? copy_msghdr_from_user (net/socket.c:2650)
[  604.047579][T12390]  ? sock_write_iter (net/socket.c:1269)
[  604.047581][T12390]  ? move_addr_to_kernel (net/socket.c:258)
[  604.047582][T12390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  604.047585][T12390]  ___sys_sendmsg (net/socket.c:2767)
[  604.047587][T12390]  ? copy_msghdr_from_user (net/socket.c:2619)
[  604.047592][T12390]  __sys_sendmsg (net/socket.c:2799)
[  604.047593][T12390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  604.047596][T12390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  604.047598][T12390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  604.047600][T12390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  604.047602][T12390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  604.047603][T12390] RIP: 0033:0x7f5ff7f2554e
[  604.047605][T12390] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  604.047607][T12390] RSP: 002b:00007fff420e72e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  604.047610][T12390] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5ff7f2554e
[  604.047611][T12390] RDX: 0000000000000000 RSI: 00007fff420e7390 RDI: 0000000000000005
[  604.047612][T12390] RBP: 00007fff420e72f0 R08: 0000000000000000 R09: 0000000000000000
[  604.047613][T12390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911221
[  604.047614][T12390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff420e7a50
| [  605.097423][T12440] softirqs last disabled at (0): 0x0
| [  605.097425][T12440] Preemption disabled at:
| [  605.097426][T12440] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.097436][T12440] Tainted: [W]=WARN
[  605.097437][T12440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.097439][T12440] Call Trace:
[  605.097441][T12440]  <TASK>
[  605.097442][T12440]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.097448][T12440]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.097449][T12440]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.097453][T12440]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  605.097455][T12440]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.097458][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097461][T12440]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  605.097464][T12440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.097467][T12440]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.097472][T12440]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  605.097474][T12440]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.097476][T12440]  put_chars (drivers/char/virtio_console.c:1176)
[  605.097478][T12440]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.097480][T12440]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  605.097482][T12440]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.097487][T12440]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.097489][T12440]  ? vsnprintf (lib/vsprintf.c:2900)
[  605.097492][T12440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.097494][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097495][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097500][T12440]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.097502][T12440]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.097504][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097506][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097506][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097508][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097510][T12440]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  605.097512][T12440]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.097514][T12440]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.097517][T12440]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.097519][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097521][T12440]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.097522][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097523][T12440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.097525][T12440]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  605.097526][T12440]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  605.097528][T12440]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.097530][T12440]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.097531][T12440]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.097533][T12440]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.097534][T12440]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.097536][T12440]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  605.097539][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097541][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097542][T12440]  _printk (kernel/printk/printk.c:2504)
[  605.097545][T12440]  ? snapshot_read.cold (user.c:?)
[  605.097547][T12440]  ? br_multicast_flood (??:?)
[  605.097551][T12440]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  605.097553][T12440]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  605.097554][T12440]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.097556][T12440]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  605.097559][T12440]  br_init_port (net/bridge/br_stp_if.c:39)
[  605.097561][T12440]  new_nbp (net/bridge/br_if.c:449)
[  605.097563][T12440]  br_add_if (net/bridge/br_if.c:592)
[  605.097565][T12440]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  605.097569][T12440]  do_set_master (net/core/rtnetlink.c:3071)
[  605.097571][T12440]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  605.097573][T12440]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  605.097574][T12440]  ? __dev_get_by_name (net/core/dev.c:905)
[  605.097576][T12440]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  605.097580][T12440]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  605.097582][T12440]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.097584][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097585][T12440]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.097586][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097588][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097589][T12440]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  605.097592][T12440]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  605.097594][T12440]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  605.097596][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097597][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097599][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097600][T12440]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.097601][T12440]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  605.097603][T12440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.097604][T12440]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  605.097606][T12440]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  605.097610][T12440]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  605.097613][T12440]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.097614][T12440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.097616][T12440]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  605.097617][T12440]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  605.097620][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097621][T12440]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.097623][T12440]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  605.097625][T12440]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  605.097627][T12440]  ? next_uptodate_folio (mm/filemap.c:3747)
[  605.097630][T12440]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  605.097632][T12440]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  605.097634][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097636][T12440]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  605.097639][T12440]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  605.097642][T12440]  ____sys_sendmsg (net/socket.c:2713)
[  605.097644][T12440]  ? copy_msghdr_from_user (net/socket.c:2650)
[  605.097645][T12440]  ? sock_write_iter (net/socket.c:1269)
[  605.097647][T12440]  ? move_addr_to_kernel (net/socket.c:258)
[  605.097649][T12440]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  605.097651][T12440]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.097653][T12440]  ___sys_sendmsg (net/socket.c:2767)
[  605.097655][T12440]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  605.097656][T12440]  ? copy_msghdr_from_user (net/socket.c:2619)
[  605.097658][T12440]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  605.097662][T12440]  __sys_sendmsg (net/socket.c:2799)
[  605.097665][T12440]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  605.097667][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097668][T12440]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.097670][T12440]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  605.097672][T12440]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  605.097674][T12440]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  605.097676][T12440] RIP: 0033:0x7fb1ff74754e
[  605.097678][T12440] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  605.097680][T12440] RSP: 002b:00007fff82a5bf10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  605.097684][T12440] RAX: ffffffffffffffda RBX: 00007fff82a5c6d8 RCX: 00007fb1ff74754e
[  605.097685][T12440] RDX: 0000000000000000 RSI: 00007fff82a5bfc0 RDI: 0000000000000005
[  605.097686][T12440] RBP: 00007fff82a5bf20 R08: 0000000000000000 R09: 0000000000000000
[  605.097687][T12440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911222
[  605.097688][T12440] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff82a5c690
| [  611.108661][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  611.108664][   T12] Preemption disabled at:
| [  611.108664][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  611.108675][   T12] Tainted: [W]=WARN
[  611.108676][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  611.108678][   T12] Workqueue: netns cleanup_net
[  611.108683][   T12] Call Trace:
[  611.108684][   T12]  <TASK>
[  611.108686][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  611.108692][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  611.108693][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  611.108697][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  611.108699][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  611.108703][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108705][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  611.108708][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  611.108711][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  611.108716][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  611.108718][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  611.108721][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  611.108722][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  611.108724][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  611.108727][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  611.108731][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  611.108733][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  611.108735][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  611.108737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108740][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  611.108743][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  611.108745][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108747][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108748][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  611.108750][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  611.108752][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  611.108755][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  611.108758][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  611.108760][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  611.108761][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  611.108763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108764][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  611.108766][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  611.108767][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  611.108769][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  611.108771][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  611.108772][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  611.108774][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  611.108775][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  611.108777][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  611.108779][   T12]  ? kthread (kernel/kthread.c:436)
[  611.108781][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  611.108784][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  611.108787][   T12]  _printk (kernel/printk/printk.c:2504)
[  611.108790][   T12]  ? snapshot_read.cold (user.c:?)
[  611.108792][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  611.108795][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  611.108798][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  611.108800][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  611.108802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108803][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  611.108805][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  611.108808][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  611.108809][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  611.108811][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  611.108813][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  611.108816][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  611.108820][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  611.108822][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  611.108824][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  611.108827][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  611.108829][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  611.108831][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  611.108833][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  611.108835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108837][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  611.108838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  611.108840][   T12]  process_one_work (kernel/workqueue.c:3387)
[  611.108843][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  611.108846][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  611.108848][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  611.108851][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  611.108853][   T12]  kthread (kernel/kthread.c:436)
[  611.108855][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  611.108856][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  611.108859][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  611.108860][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  611.108862][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  611.108866][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  611.108868][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  612.284613][T12574] softirqs last disabled at (0): 0x0
| [  612.284615][T12574] Preemption disabled at:
| [  612.284615][T12574] vprintk_emit (kernel/printk/printk.c:2471)
| [  612.284626][T12574] Tainted: [W]=WARN
[  612.284627][T12574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.284628][T12574] Call Trace:
[  612.284630][T12574]  <TASK>
[  612.284631][T12574]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  612.284637][T12574]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  612.284638][T12574]  __might_resched.cold (kernel/sched/core.c:9234)
[  612.284642][T12574]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  612.284644][T12574]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  612.284647][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284650][T12574]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  612.284653][T12574]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.284656][T12574]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.284661][T12574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  612.284662][T12574]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.284665][T12574]  put_chars (drivers/char/virtio_console.c:1176)
[  612.284667][T12574]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  612.284668][T12574]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  612.284671][T12574]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  612.284675][T12574]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  612.284677][T12574]  ? vsnprintf (lib/vsprintf.c:2900)
[  612.284681][T12574]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.284682][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284683][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284685][T12574]  console_emit_next_record (kernel/printk/printk.c:3183)
[  612.284688][T12574]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  612.284690][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284691][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284692][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284693][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284695][T12574]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  612.284697][T12574]  console_flush_one_record (kernel/printk/printk.c:3268)
[  612.284699][T12574]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  612.284702][T12574]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  612.284704][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284705][T12574]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  612.284707][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284708][T12574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.284710][T12574]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  612.284711][T12574]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  612.284713][T12574]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  612.284715][T12574]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  612.284716][T12574]  vprintk_emit (kernel/printk/printk.c:2479)
[  612.284718][T12574]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  612.284719][T12574]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.284721][T12574]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  612.284724][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284725][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284727][T12574]  _printk (kernel/printk/printk.c:2504)
[  612.284730][T12574]  ? snapshot_read.cold (user.c:?)
[  612.284732][T12574]  ? br_multicast_flood (??:?)
[  612.284735][T12574]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  612.284738][T12574]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  612.284739][T12574]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  612.284741][T12574]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  612.284744][T12574]  br_init_port (net/bridge/br_stp_if.c:39)
[  612.284745][T12574]  new_nbp (net/bridge/br_if.c:449)
[  612.284747][T12574]  br_add_if (net/bridge/br_if.c:592)
[  612.284749][T12574]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  612.284754][T12574]  do_set_master (net/core/rtnetlink.c:3071)
[  612.284756][T12574]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  612.284757][T12574]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  612.284759][T12574]  ? __dev_get_by_name (net/core/dev.c:905)
[  612.284760][T12574]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  612.284764][T12574]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  612.284767][T12574]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  612.284769][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284770][T12574]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.284771][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284773][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284774][T12574]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  612.284777][T12574]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  612.284779][T12574]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  612.284781][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284782][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284784][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284785][T12574]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.284787][T12574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  612.284788][T12574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.284790][T12574]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  612.284791][T12574]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  612.284795][T12574]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  612.284798][T12574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.284799][T12574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.284801][T12574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  612.284802][T12574]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  612.284806][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284807][T12574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.284809][T12574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  612.284811][T12574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  612.284813][T12574]  ? next_uptodate_folio (mm/filemap.c:3747)
[  612.284816][T12574]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  612.284818][T12574]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  612.284820][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284822][T12574]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  612.284825][T12574]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  612.284828][T12574]  ____sys_sendmsg (net/socket.c:2713)
[  612.284829][T12574]  ? copy_msghdr_from_user (net/socket.c:2650)
[  612.284831][T12574]  ? sock_write_iter (net/socket.c:1269)
[  612.284833][T12574]  ? move_addr_to_kernel (net/socket.c:258)
[  612.284835][T12574]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  612.284837][T12574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.284839][T12574]  ___sys_sendmsg (net/socket.c:2767)
[  612.284841][T12574]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  612.284842][T12574]  ? copy_msghdr_from_user (net/socket.c:2619)
[  612.284844][T12574]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  612.284848][T12574]  __sys_sendmsg (net/socket.c:2799)
[  612.284851][T12574]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  612.284853][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284854][T12574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.284856][T12574]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  612.284858][T12574]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  612.284860][T12574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  612.284862][T12574] RIP: 0033:0x7fa61108754e
[  612.284864][T12574] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  612.284866][T12574] RSP: 002b:00007ffffb9e7ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  612.284869][T12574] RAX: ffffffffffffffda RBX: 00007ffffb9e8278 RCX: 00007fa61108754e
[  612.284871][T12574] RDX: 0000000000000000 RSI: 00007ffffb9e7b60 RDI: 0000000000000005
[  612.284872][T12574] RBP: 00007ffffb9e7ac0 R08: 0000000000000000 R09: 0000000000000000
[  612.284873][T12574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911229
[  612.284873][T12574] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffb9e8230
| [  613.629568][T12643] softirqs last disabled at (0): 0x0
| [  613.629570][T12643] Preemption disabled at:
| [  613.629571][T12643] vprintk_emit (kernel/printk/printk.c:2471)
| [  613.629581][T12643] Tainted: [W]=WARN
[  613.629581][T12643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  613.629583][T12643] Call Trace:
[  613.629585][T12643]  <TASK>
[  613.629586][T12643]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  613.629591][T12643]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  613.629593][T12643]  __might_resched.cold (kernel/sched/core.c:9234)
[  613.629597][T12643]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  613.629600][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629603][T12643]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  613.629606][T12643]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.629608][T12643]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.629614][T12643]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  613.629615][T12643]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.629618][T12643]  put_chars (drivers/char/virtio_console.c:1176)
[  613.629620][T12643]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  613.629621][T12643]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  613.629623][T12643]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  613.629625][T12643]  ? pointer (lib/vsprintf.c:2577)
[  613.629629][T12643]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  613.629634][T12643]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  613.629636][T12643]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.629638][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629640][T12643]  console_emit_next_record (kernel/printk/printk.c:3183)
[  613.629643][T12643]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  613.629645][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629646][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629647][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629648][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629650][T12643]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  613.629652][T12643]  console_flush_one_record (kernel/printk/printk.c:3268)
[  613.629655][T12643]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  613.629658][T12643]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  613.629660][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629661][T12643]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  613.629663][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629664][T12643]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.629665][T12643]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  613.629667][T12643]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  613.629668][T12643]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  613.629671][T12643]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  613.629672][T12643]  vprintk_emit (kernel/printk/printk.c:2479)
[  613.629674][T12643]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  613.629675][T12643]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  613.629677][T12643]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  613.629680][T12643]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  613.629683][T12643]  _printk (kernel/printk/printk.c:2504)
[  613.629686][T12643]  ? snapshot_read.cold (user.c:?)
[  613.629688][T12643]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  613.629690][T12643]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  613.629693][T12643]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  613.629695][T12643]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.629698][T12643]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  613.629701][T12643]  ? netdev_notice (net/core/dev.c:13194)
[  613.629703][T12643]  ? 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)
[  613.629704][T12643]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  613.629707][T12643]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.629709][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629710][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629711][T12643]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  613.629712][T12643]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  613.629714][T12643]  ? 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)
[  613.629715][T12643]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.629717][T12643]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  613.629719][T12643]  ? register_netdev (net/core/dev.c:11618)
[  613.629720][T12643]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.629722][T12643]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  613.629725][T12643]  ? __kernel_text_address (kernel/extable.c:79)
[  613.629727][T12643]  ? write_profile (profile.c:?)
[  613.629730][T12643]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  613.629734][T12643]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.629736][T12643]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  613.629738][T12643]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  613.629739][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629740][T12643]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  613.629744][T12643]  ? kasan_save_stack (mm/kasan/common.c:58)
[  613.629745][T12643]  ? kasan_save_stack (mm/kasan/common.c:57)
[  613.629747][T12643]  ? kasan_save_track (mm/kasan/common.c:78)
[  613.629748][T12643]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  613.629749][T12643]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  613.629750][T12643]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  613.629752][T12643]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.629753][T12643]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.629756][T12643]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.629757][T12643]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.629759][T12643]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.629761][T12643]  ? ____sys_sendmsg (net/socket.c:2713)
[  613.629763][T12643]  ? ___sys_sendmsg (net/socket.c:2767)
[  613.629764][T12643]  ? __sys_sendmsg (net/socket.c:2799)
[  613.629766][T12643]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.629768][T12643]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.629771][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629772][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629774][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629775][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629776][T12643]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  613.629777][T12643]  ? __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)
[  613.629778][T12643]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  613.629780][T12643]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  613.629781][T12643]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  613.629783][T12643]  ? nla_get_range_signed (lib/nlattr.c:270)
[  613.629786][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629787][T12643]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  613.629789][T12643]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.629791][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629792][T12643]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.629794][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629795][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629797][T12643]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  613.629799][T12643]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  613.629800][T12643]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  613.629802][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629803][T12643]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  613.629806][T12643]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  613.629809][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629810][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629811][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629813][T12643]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.629814][T12643]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.629816][T12643]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.629817][T12643]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.629819][T12643]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  613.629821][T12643]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.629823][T12643]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.629824][T12643]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.629826][T12643]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  613.629828][T12643]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  613.629831][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629832][T12643]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.629834][T12643]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.629836][T12643]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  613.629838][T12643]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.629840][T12643]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.629842][T12643]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  613.629844][T12643]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  613.629845][T12643]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.629847][T12643]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  613.629850][T12643]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.629852][T12643]  ____sys_sendmsg (net/socket.c:2713)
[  613.629854][T12643]  ? copy_msghdr_from_user (net/socket.c:2650)
[  613.629855][T12643]  ? sock_write_iter (net/socket.c:1269)
[  613.629857][T12643]  ? move_addr_to_kernel (net/socket.c:258)
[  613.629858][T12643]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.629861][T12643]  ___sys_sendmsg (net/socket.c:2767)
[  613.629863][T12643]  ? copy_msghdr_from_user (net/socket.c:2619)
[  613.629868][T12643]  __sys_sendmsg (net/socket.c:2799)
[  613.629870][T12643]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  613.629872][T12643]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.629874][T12643]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.629876][T12643]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  613.629878][T12643]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.629879][T12643] RIP: 0033:0x7fb4ad61f54e
[  613.629881][T12643] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  613.629883][T12643] RSP: 002b:00007ffeb8a0ffe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  613.629886][T12643] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb4ad61f54e
[  613.629888][T12643] RDX: 0000000000000000 RSI: 00007ffeb8a10090 RDI: 0000000000000005
[  613.629889][T12643] RBP: 00007ffeb8a0fff0 R08: 0000000000000000 R09: 0000000000000000
[  613.629890][T12643] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91122a
[  613.629891][T12643] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb8a10750
| [  614.711126][T12700] softirqs last disabled at (0): 0x0
| [  614.711128][T12700] Preemption disabled at:
| [  614.711129][T12700] vprintk_emit (kernel/printk/printk.c:2471)
| [  614.711139][T12700] Tainted: [W]=WARN
[  614.711140][T12700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  614.711142][T12700] Call Trace:
[  614.711143][T12700]  <TASK>
[  614.711145][T12700]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  614.711151][T12700]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  614.711152][T12700]  __might_resched.cold (kernel/sched/core.c:9234)
[  614.711156][T12700]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  614.711158][T12700]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  614.711161][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711164][T12700]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  614.711167][T12700]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  614.711170][T12700]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  614.711175][T12700]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  614.711177][T12700]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  614.711179][T12700]  put_chars (drivers/char/virtio_console.c:1176)
[  614.711181][T12700]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  614.711183][T12700]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  614.711185][T12700]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  614.711190][T12700]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  614.711191][T12700]  ? vsnprintf (lib/vsprintf.c:2900)
[  614.711195][T12700]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  614.711196][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711197][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711199][T12700]  console_emit_next_record (kernel/printk/printk.c:3183)
[  614.711202][T12700]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  614.711204][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711205][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711206][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711207][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711209][T12700]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  614.711211][T12700]  console_flush_one_record (kernel/printk/printk.c:3268)
[  614.711214][T12700]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  614.711216][T12700]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  614.711218][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711220][T12700]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  614.711221][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711222][T12700]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  614.711224][T12700]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  614.711225][T12700]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  614.711227][T12700]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  614.711229][T12700]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  614.711230][T12700]  vprintk_emit (kernel/printk/printk.c:2479)
[  614.711232][T12700]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  614.711233][T12700]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  614.711235][T12700]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  614.711237][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711239][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711240][T12700]  _printk (kernel/printk/printk.c:2504)
[  614.711243][T12700]  ? snapshot_read.cold (user.c:?)
[  614.711245][T12700]  ? br_multicast_flood (??:?)
[  614.711248][T12700]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  614.711251][T12700]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  614.711252][T12700]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  614.711254][T12700]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  614.711256][T12700]  br_init_port (net/bridge/br_stp_if.c:39)
[  614.711258][T12700]  new_nbp (net/bridge/br_if.c:449)
[  614.711260][T12700]  br_add_if (net/bridge/br_if.c:592)
[  614.711262][T12700]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  614.711266][T12700]  do_set_master (net/core/rtnetlink.c:3071)
[  614.711268][T12700]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  614.711270][T12700]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  614.711271][T12700]  ? __dev_get_by_name (net/core/dev.c:905)
[  614.711273][T12700]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  614.711277][T12700]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  614.711279][T12700]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  614.711281][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711283][T12700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  614.711284][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711285][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711287][T12700]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  614.711289][T12700]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  614.711291][T12700]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  614.711293][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711294][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711296][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711297][T12700]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  614.711298][T12700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  614.711300][T12700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  614.711301][T12700]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  614.711303][T12700]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  614.711307][T12700]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  614.711310][T12700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  614.711311][T12700]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  614.711313][T12700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  614.711314][T12700]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  614.711317][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711319][T12700]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  614.711321][T12700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  614.711323][T12700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  614.711325][T12700]  ? next_uptodate_folio (mm/filemap.c:3747)
[  614.711328][T12700]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  614.711330][T12700]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  614.711332][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711334][T12700]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  614.711337][T12700]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  614.711340][T12700]  ____sys_sendmsg (net/socket.c:2713)
[  614.711342][T12700]  ? copy_msghdr_from_user (net/socket.c:2650)
[  614.711343][T12700]  ? sock_write_iter (net/socket.c:1269)
[  614.711345][T12700]  ? move_addr_to_kernel (net/socket.c:258)
[  614.711347][T12700]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  614.711349][T12700]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  614.711351][T12700]  ___sys_sendmsg (net/socket.c:2767)
[  614.711353][T12700]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  614.711355][T12700]  ? copy_msghdr_from_user (net/socket.c:2619)
[  614.711356][T12700]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  614.711361][T12700]  __sys_sendmsg (net/socket.c:2799)
[  614.711363][T12700]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  614.711365][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711367][T12700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  614.711368][T12700]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  614.711370][T12700]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  614.711372][T12700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  614.711374][T12700] RIP: 0033:0x7fbc43b4954e
[  614.711376][T12700] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  614.711378][T12700] RSP: 002b:00007ffc97baf0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  614.711382][T12700] RAX: ffffffffffffffda RBX: 00007ffc97baf8a8 RCX: 00007fbc43b4954e
[  614.711383][T12700] RDX: 0000000000000000 RSI: 00007ffc97baf190 RDI: 0000000000000005
[  614.711384][T12700] RBP: 00007ffc97baf0f0 R08: 0000000000000000 R09: 0000000000000000
[  614.711385][T12700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91122c
[  614.711386][T12700] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97baf860
| [  620.696948][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  620.696950][   T12] Preemption disabled at:
| [  620.696951][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  620.696961][   T12] Tainted: [W]=WARN
[  620.696962][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  620.696964][   T12] Workqueue: netns cleanup_net
[  620.696969][   T12] Call Trace:
[  620.696971][   T12]  <TASK>
[  620.696972][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  620.696978][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  620.696979][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  620.696982][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  620.696985][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  620.696988][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.696994][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  620.696997][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  620.697001][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.697006][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  620.697008][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  620.697010][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  620.697012][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  620.697014][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  620.697016][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  620.697021][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  620.697023][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  620.697026][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  620.697027][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697028][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697030][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  620.697033][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  620.697035][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697037][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697038][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.697040][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  620.697042][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  620.697045][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  620.697047][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  620.697049][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.697051][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  620.697052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697053][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  620.697055][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  620.697056][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  620.697058][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  620.697060][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  620.697061][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  620.697063][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  620.697064][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  620.697066][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  620.697069][   T12]  ? kthread (kernel/kthread.c:436)
[  620.697071][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  620.697074][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  620.697076][   T12]  _printk (kernel/printk/printk.c:2504)
[  620.697079][   T12]  ? snapshot_read.cold (user.c:?)
[  620.697081][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  620.697084][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  620.697086][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  620.697089][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  620.697091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697092][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  620.697094][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  620.697097][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  620.697098][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  620.697100][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  620.697102][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  620.697104][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  620.697108][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  620.697110][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  620.697113][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  620.697115][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  620.697117][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  620.697119][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  620.697121][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  620.697123][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  620.697125][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  620.697127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  620.697129][   T12]  process_one_work (kernel/workqueue.c:3387)
[  620.697131][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  620.697134][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  620.697136][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  620.697139][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  620.697141][   T12]  kthread (kernel/kthread.c:436)
[  620.697143][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  620.697144][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  620.697146][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  620.697148][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  620.697150][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  620.697153][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  620.697155][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  621.873647][T12835] softirqs last disabled at (0): 0x0
| [  621.873649][T12835] Preemption disabled at:
| [  621.873650][T12835] vprintk_emit (kernel/printk/printk.c:2471)
| [  621.873660][T12835] Tainted: [W]=WARN
[  621.873661][T12835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  621.873662][T12835] Call Trace:
[  621.873664][T12835]  <TASK>
[  621.873665][T12835]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  621.873671][T12835]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  621.873672][T12835]  __might_resched.cold (kernel/sched/core.c:9234)
[  621.873676][T12835]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  621.873678][T12835]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  621.873681][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873684][T12835]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  621.873686][T12835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.873690][T12835]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  621.873694][T12835]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  621.873696][T12835]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  621.873699][T12835]  put_chars (drivers/char/virtio_console.c:1176)
[  621.873701][T12835]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  621.873702][T12835]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  621.873705][T12835]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  621.873710][T12835]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  621.873711][T12835]  ? vsnprintf (lib/vsprintf.c:2900)
[  621.873715][T12835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.873716][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873717][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873719][T12835]  console_emit_next_record (kernel/printk/printk.c:3183)
[  621.873722][T12835]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  621.873724][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873725][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873726][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873727][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873729][T12835]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  621.873731][T12835]  console_flush_one_record (kernel/printk/printk.c:3268)
[  621.873734][T12835]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  621.873736][T12835]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  621.873738][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873740][T12835]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  621.873741][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873742][T12835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.873744][T12835]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  621.873745][T12835]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  621.873747][T12835]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  621.873749][T12835]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  621.873750][T12835]  vprintk_emit (kernel/printk/printk.c:2479)
[  621.873752][T12835]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  621.873753][T12835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  621.873755][T12835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  621.873758][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873759][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873761][T12835]  _printk (kernel/printk/printk.c:2504)
[  621.873764][T12835]  ? snapshot_read.cold (user.c:?)
[  621.873766][T12835]  ? br_multicast_flood (??:?)
[  621.873769][T12835]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  621.873772][T12835]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  621.873773][T12835]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  621.873775][T12835]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  621.873777][T12835]  br_init_port (net/bridge/br_stp_if.c:39)
[  621.873779][T12835]  new_nbp (net/bridge/br_if.c:449)
[  621.873781][T12835]  br_add_if (net/bridge/br_if.c:592)
[  621.873783][T12835]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  621.873788][T12835]  do_set_master (net/core/rtnetlink.c:3071)
[  621.873789][T12835]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  621.873791][T12835]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  621.873793][T12835]  ? __dev_get_by_name (net/core/dev.c:905)
[  621.873794][T12835]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  621.873798][T12835]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  621.873800][T12835]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  621.873802][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873804][T12835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  621.873805][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873807][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873808][T12835]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  621.873811][T12835]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  621.873813][T12835]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  621.873815][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873816][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873818][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873819][T12835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  621.873820][T12835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  621.873822][T12835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  621.873823][T12835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  621.873825][T12835]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  621.873829][T12835]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  621.873832][T12835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  621.873833][T12835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.873834][T12835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  621.873836][T12835]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  621.873839][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873840][T12835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  621.873842][T12835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  621.873844][T12835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  621.873846][T12835]  ? next_uptodate_folio (mm/filemap.c:3747)
[  621.873849][T12835]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  621.873851][T12835]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  621.873853][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873855][T12835]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  621.873858][T12835]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  621.873861][T12835]  ____sys_sendmsg (net/socket.c:2713)
[  621.873863][T12835]  ? copy_msghdr_from_user (net/socket.c:2650)
[  621.873864][T12835]  ? sock_write_iter (net/socket.c:1269)
[  621.873866][T12835]  ? move_addr_to_kernel (net/socket.c:258)
[  621.873868][T12835]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  621.873870][T12835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  621.873872][T12835]  ___sys_sendmsg (net/socket.c:2767)
[  621.873874][T12835]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  621.873875][T12835]  ? copy_msghdr_from_user (net/socket.c:2619)
[  621.873877][T12835]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  621.873882][T12835]  __sys_sendmsg (net/socket.c:2799)
[  621.873884][T12835]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  621.873886][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873888][T12835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  621.873889][T12835]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  621.873892][T12835]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  621.873894][T12835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  621.873896][T12835] RIP: 0033:0x7f37d3c5754e
[  621.873897][T12835] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  621.873899][T12835] RSP: 002b:00007ffd4b0a6e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  621.873903][T12835] RAX: ffffffffffffffda RBX: 00007ffd4b0a7608 RCX: 00007f37d3c5754e
[  621.873905][T12835] RDX: 0000000000000000 RSI: 00007ffd4b0a6ef0 RDI: 0000000000000005
[  621.873906][T12835] RBP: 00007ffd4b0a6e50 R08: 0000000000000000 R09: 0000000000000000
[  621.873906][T12835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911233
[  621.873907][T12835] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4b0a75c0
| [  623.163424][T12903] softirqs last disabled at (0): 0x0
| [  623.163426][T12903] Preemption disabled at:
| [  623.163427][T12903] vprintk_emit (kernel/printk/printk.c:2471)
| [  623.163436][T12903] Tainted: [W]=WARN
[  623.163437][T12903] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  623.163439][T12903] Call Trace:
[  623.163441][T12903]  <TASK>
[  623.163442][T12903]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  623.163447][T12903]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  623.163449][T12903]  __might_resched.cold (kernel/sched/core.c:9234)
[  623.163453][T12903]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  623.163456][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163459][T12903]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  623.163461][T12903]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  623.163465][T12903]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  623.163470][T12903]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  623.163471][T12903]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  623.163474][T12903]  put_chars (drivers/char/virtio_console.c:1176)
[  623.163475][T12903]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  623.163477][T12903]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  623.163479][T12903]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  623.163481][T12903]  ? pointer (lib/vsprintf.c:2577)
[  623.163485][T12903]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  623.163490][T12903]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  623.163491][T12903]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  623.163493][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163496][T12903]  console_emit_next_record (kernel/printk/printk.c:3183)
[  623.163501][T12903]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  623.163503][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163504][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163505][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163506][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163508][T12903]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  623.163510][T12903]  console_flush_one_record (kernel/printk/printk.c:3268)
[  623.163512][T12903]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  623.163515][T12903]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  623.163517][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163519][T12903]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  623.163520][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163521][T12903]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.163523][T12903]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  623.163524][T12903]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  623.163526][T12903]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  623.163528][T12903]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  623.163529][T12903]  vprintk_emit (kernel/printk/printk.c:2479)
[  623.163531][T12903]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  623.163532][T12903]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  623.163535][T12903]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  623.163538][T12903]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  623.163540][T12903]  _printk (kernel/printk/printk.c:2504)
[  623.163543][T12903]  ? snapshot_read.cold (user.c:?)
[  623.163545][T12903]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  623.163547][T12903]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  623.163550][T12903]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  623.163552][T12903]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  623.163555][T12903]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  623.163558][T12903]  ? netdev_notice (net/core/dev.c:13194)
[  623.163560][T12903]  ? 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)
[  623.163561][T12903]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  623.163564][T12903]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  623.163566][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163567][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163568][T12903]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  623.163569][T12903]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  623.163571][T12903]  ? 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)
[  623.163572][T12903]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  623.163573][T12903]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  623.163575][T12903]  ? register_netdev (net/core/dev.c:11618)
[  623.163576][T12903]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.163578][T12903]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  623.163581][T12903]  ? __kernel_text_address (kernel/extable.c:79)
[  623.163583][T12903]  ? write_profile (profile.c:?)
[  623.163586][T12903]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  623.163590][T12903]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  623.163592][T12903]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  623.163593][T12903]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  623.163595][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163596][T12903]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  623.163599][T12903]  ? kasan_save_stack (mm/kasan/common.c:58)
[  623.163601][T12903]  ? kasan_save_stack (mm/kasan/common.c:57)
[  623.163602][T12903]  ? kasan_save_track (mm/kasan/common.c:78)
[  623.163603][T12903]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  623.163604][T12903]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  623.163605][T12903]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  623.163606][T12903]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  623.163608][T12903]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  623.163611][T12903]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  623.163612][T12903]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  623.163614][T12903]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  623.163617][T12903]  ? ____sys_sendmsg (net/socket.c:2713)
[  623.163618][T12903]  ? ___sys_sendmsg (net/socket.c:2767)
[  623.163619][T12903]  ? __sys_sendmsg (net/socket.c:2799)
[  623.163621][T12903]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  623.163623][T12903]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  623.163626][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163627][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163628][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163630][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163631][T12903]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  623.163632][T12903]  ? __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)
[  623.163634][T12903]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  623.163635][T12903]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  623.163636][T12903]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  623.163637][T12903]  ? nla_get_range_signed (lib/nlattr.c:270)
[  623.163641][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163642][T12903]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  623.163644][T12903]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  623.163646][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163647][T12903]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  623.163648][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163650][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163651][T12903]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  623.163654][T12903]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  623.163655][T12903]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  623.163656][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163658][T12903]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  623.163661][T12903]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  623.163663][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163664][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163666][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163667][T12903]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  623.163668][T12903]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  623.163670][T12903]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  623.163671][T12903]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  623.163673][T12903]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  623.163675][T12903]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  623.163677][T12903]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  623.163678][T12903]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.163680][T12903]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  623.163681][T12903]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  623.163685][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163686][T12903]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.163688][T12903]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  623.163690][T12903]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  623.163692][T12903]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  623.163693][T12903]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  623.163695][T12903]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  623.163697][T12903]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  623.163699][T12903]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.163700][T12903]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  623.163703][T12903]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  623.163705][T12903]  ____sys_sendmsg (net/socket.c:2713)
[  623.163707][T12903]  ? copy_msghdr_from_user (net/socket.c:2650)
[  623.163708][T12903]  ? sock_write_iter (net/socket.c:1269)
[  623.163710][T12903]  ? move_addr_to_kernel (net/socket.c:258)
[  623.163711][T12903]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  623.163714][T12903]  ___sys_sendmsg (net/socket.c:2767)
[  623.163716][T12903]  ? copy_msghdr_from_user (net/socket.c:2619)
[  623.163721][T12903]  __sys_sendmsg (net/socket.c:2799)
[  623.163722][T12903]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  623.163725][T12903]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.163727][T12903]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  623.163728][T12903]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  623.163730][T12903]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  623.163732][T12903] RIP: 0033:0x7f4daa01554e
[  623.163734][T12903] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  623.163736][T12903] RSP: 002b:00007fffcb7d97b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  623.163739][T12903] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4daa01554e
[  623.163740][T12903] RDX: 0000000000000000 RSI: 00007fffcb7d9860 RDI: 0000000000000005
[  623.163741][T12903] RBP: 00007fffcb7d97c0 R08: 0000000000000000 R09: 0000000000000000
[  623.163742][T12903] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911234
[  623.163743][T12903] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcb7d9f20
| [  624.238043][T12961] softirqs last disabled at (0): 0x0
| [  624.238045][T12961] Preemption disabled at:
| [  624.238045][T12961] vprintk_emit (kernel/printk/printk.c:2471)
| [  624.238055][T12961] Tainted: [W]=WARN
[  624.238056][T12961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  624.238058][T12961] Call Trace:
[  624.238059][T12961]  <TASK>
[  624.238061][T12961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  624.238066][T12961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  624.238068][T12961]  __might_resched.cold (kernel/sched/core.c:9234)
[  624.238071][T12961]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  624.238073][T12961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  624.238077][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238079][T12961]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  624.238082][T12961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  624.238085][T12961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.238090][T12961]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  624.238092][T12961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.238095][T12961]  put_chars (drivers/char/virtio_console.c:1176)
[  624.238096][T12961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  624.238098][T12961]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  624.238101][T12961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  624.238105][T12961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  624.238107][T12961]  ? vsnprintf (lib/vsprintf.c:2900)
[  624.238111][T12961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  624.238112][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238113][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238115][T12961]  console_emit_next_record (kernel/printk/printk.c:3183)
[  624.238118][T12961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  624.238120][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238121][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238122][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238123][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238125][T12961]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  624.238127][T12961]  console_flush_one_record (kernel/printk/printk.c:3268)
[  624.238130][T12961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  624.238132][T12961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  624.238134][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238136][T12961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  624.238138][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238138][T12961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  624.238140][T12961]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  624.238142][T12961]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  624.238143][T12961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  624.238145][T12961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  624.238146][T12961]  vprintk_emit (kernel/printk/printk.c:2479)
[  624.238148][T12961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  624.238149][T12961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  624.238151][T12961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  624.238154][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238155][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238157][T12961]  _printk (kernel/printk/printk.c:2504)
[  624.238160][T12961]  ? snapshot_read.cold (user.c:?)
[  624.238162][T12961]  ? br_multicast_flood (??:?)
[  624.238165][T12961]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  624.238168][T12961]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  624.238169][T12961]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  624.238171][T12961]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  624.238174][T12961]  br_init_port (net/bridge/br_stp_if.c:39)
[  624.238176][T12961]  new_nbp (net/bridge/br_if.c:449)
[  624.238178][T12961]  br_add_if (net/bridge/br_if.c:592)
[  624.238180][T12961]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  624.238184][T12961]  do_set_master (net/core/rtnetlink.c:3071)
[  624.238186][T12961]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  624.238188][T12961]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  624.238189][T12961]  ? __dev_get_by_name (net/core/dev.c:905)
[  624.238191][T12961]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  624.238195][T12961]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  624.238197][T12961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  624.238199][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238200][T12961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.238202][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238203][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238205][T12961]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  624.238207][T12961]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  624.238209][T12961]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  624.238211][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238212][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238214][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238215][T12961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  624.238217][T12961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  624.238218][T12961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  624.238220][T12961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  624.238221][T12961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  624.238225][T12961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  624.238228][T12961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  624.238229][T12961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  624.238231][T12961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  624.238232][T12961]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  624.238235][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238236][T12961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  624.238238][T12961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  624.238241][T12961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  624.238242][T12961]  ? next_uptodate_folio (mm/filemap.c:3747)
[  624.238245][T12961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  624.238247][T12961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  624.238249][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238251][T12961]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  624.238254][T12961]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  624.238257][T12961]  ____sys_sendmsg (net/socket.c:2713)
[  624.238259][T12961]  ? copy_msghdr_from_user (net/socket.c:2650)
[  624.238260][T12961]  ? sock_write_iter (net/socket.c:1269)
[  624.238262][T12961]  ? move_addr_to_kernel (net/socket.c:258)
[  624.238264][T12961]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  624.238267][T12961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.238268][T12961]  ___sys_sendmsg (net/socket.c:2767)
[  624.238270][T12961]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  624.238272][T12961]  ? copy_msghdr_from_user (net/socket.c:2619)
[  624.238274][T12961]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  624.238278][T12961]  __sys_sendmsg (net/socket.c:2799)
[  624.238280][T12961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  624.238283][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238284][T12961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.238285][T12961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  624.238288][T12961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  624.238290][T12961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  624.238292][T12961] RIP: 0033:0x7f1f2d6a954e
[  624.238294][T12961] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  624.238296][T12961] RSP: 002b:00007ffd17f44a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  624.238300][T12961] RAX: ffffffffffffffda RBX: 00007ffd17f45248 RCX: 00007f1f2d6a954e
[  624.238301][T12961] RDX: 0000000000000000 RSI: 00007ffd17f44b30 RDI: 0000000000000005
[  624.238302][T12961] RBP: 00007ffd17f44a90 R08: 0000000000000000 R09: 0000000000000000
[  624.238303][T12961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911235
[  624.238304][T12961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd17f45200
| [  630.217598][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  630.217601][   T12] Preemption disabled at:
| [  630.217602][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  630.217611][   T12] Tainted: [W]=WARN
[  630.217612][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  630.217614][   T12] Workqueue: netns cleanup_net
[  630.217619][   T12] Call Trace:
[  630.217621][   T12]  <TASK>
[  630.217622][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  630.217628][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  630.217629][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  630.217633][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  630.217635][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  630.217639][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217641][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  630.217644][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.217647][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  630.217651][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  630.217653][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  630.217656][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  630.217657][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  630.217659][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  630.217662][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  630.217666][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  630.217668][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  630.217670][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.217672][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217675][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  630.217678][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  630.217680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217681][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217683][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.217685][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  630.217687][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  630.217689][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  630.217692][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  630.217694][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.217695][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  630.217697][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217698][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.217700][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  630.217701][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  630.217703][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  630.217704][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  630.217706][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  630.217707][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  630.217709][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  630.217710][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  630.217713][   T12]  ? kthread (kernel/kthread.c:436)
[  630.217715][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  630.217718][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  630.217720][   T12]  _printk (kernel/printk/printk.c:2504)
[  630.217723][   T12]  ? snapshot_read.cold (user.c:?)
[  630.217725][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  630.217729][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  630.217731][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  630.217733][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  630.217735][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217736][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  630.217738][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  630.217741][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  630.217742][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  630.217744][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  630.217746][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  630.217749][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  630.217753][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  630.217755][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  630.217757][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  630.217759][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  630.217761][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  630.217764][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  630.217766][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  630.217767][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  630.217770][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.217772][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.217773][   T12]  process_one_work (kernel/workqueue.c:3387)
[  630.217776][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  630.217779][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.217781][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  630.217784][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  630.217786][   T12]  kthread (kernel/kthread.c:436)
[  630.217787][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  630.217789][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  630.217791][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  630.217792][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  630.217794][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  630.217797][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  630.217799][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  631.402874][T13096] softirqs last disabled at (0): 0x0
| [  631.402876][T13096] Preemption disabled at:
| [  631.402877][T13096] vprintk_emit (kernel/printk/printk.c:2471)
| [  631.402886][T13096] Tainted: [W]=WARN
[  631.402887][T13096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  631.402889][T13096] Call Trace:
[  631.402891][T13096]  <TASK>
[  631.402892][T13096]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  631.402897][T13096]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  631.402898][T13096]  __might_resched.cold (kernel/sched/core.c:9234)
[  631.402902][T13096]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  631.402904][T13096]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  631.402908][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402910][T13096]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  631.402913][T13096]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.402916][T13096]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.402921][T13096]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  631.402923][T13096]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  631.402925][T13096]  put_chars (drivers/char/virtio_console.c:1176)
[  631.402927][T13096]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  631.402928][T13096]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  631.402931][T13096]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  631.402936][T13096]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  631.402938][T13096]  ? vsnprintf (lib/vsprintf.c:2900)
[  631.402941][T13096]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.402942][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402944][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402945][T13096]  console_emit_next_record (kernel/printk/printk.c:3183)
[  631.402948][T13096]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  631.402950][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402951][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402952][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402953][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.402955][T13096]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  631.402957][T13096]  console_flush_one_record (kernel/printk/printk.c:3268)
[  631.402960][T13096]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  631.402962][T13096]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  631.402964][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.402966][T13096]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  631.402968][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402969][T13096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.402970][T13096]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  631.402972][T13096]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  631.402973][T13096]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  631.402975][T13096]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  631.402977][T13096]  vprintk_emit (kernel/printk/printk.c:2479)
[  631.402978][T13096]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  631.402980][T13096]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  631.402981][T13096]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  631.402984][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.402986][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.402987][T13096]  _printk (kernel/printk/printk.c:2504)
[  631.402990][T13096]  ? snapshot_read.cold (user.c:?)
[  631.402992][T13096]  ? br_multicast_flood (??:?)
[  631.402996][T13096]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  631.402998][T13096]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  631.403000][T13096]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.403001][T13096]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  631.403004][T13096]  br_init_port (net/bridge/br_stp_if.c:39)
[  631.403006][T13096]  new_nbp (net/bridge/br_if.c:449)
[  631.403008][T13096]  br_add_if (net/bridge/br_if.c:592)
[  631.403010][T13096]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  631.403014][T13096]  do_set_master (net/core/rtnetlink.c:3071)
[  631.403016][T13096]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  631.403018][T13096]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  631.403019][T13096]  ? __dev_get_by_name (net/core/dev.c:905)
[  631.403021][T13096]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  631.403025][T13096]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  631.403032][T13096]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  631.403034][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403035][T13096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.403037][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.403038][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403040][T13096]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  631.403042][T13096]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  631.403044][T13096]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  631.403046][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403047][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.403049][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403050][T13096]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  631.403051][T13096]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  631.403053][T13096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.403054][T13096]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  631.403056][T13096]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  631.403060][T13096]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  631.403063][T13096]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  631.403064][T13096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.403066][T13096]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  631.403067][T13096]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  631.403070][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403071][T13096]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  631.403073][T13096]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  631.403075][T13096]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  631.403077][T13096]  ? next_uptodate_folio (mm/filemap.c:3747)
[  631.403080][T13096]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  631.403083][T13096]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  631.403085][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.403086][T13096]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  631.403089][T13096]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  631.403092][T13096]  ____sys_sendmsg (net/socket.c:2713)
[  631.403094][T13096]  ? copy_msghdr_from_user (net/socket.c:2650)
[  631.403095][T13096]  ? sock_write_iter (net/socket.c:1269)
[  631.403097][T13096]  ? move_addr_to_kernel (net/socket.c:258)
[  631.403099][T13096]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  631.403101][T13096]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  631.403103][T13096]  ___sys_sendmsg (net/socket.c:2767)
[  631.403105][T13096]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  631.403106][T13096]  ? copy_msghdr_from_user (net/socket.c:2619)
[  631.403108][T13096]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  631.403113][T13096]  __sys_sendmsg (net/socket.c:2799)
[  631.403115][T13096]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  631.403117][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403119][T13096]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  631.403120][T13096]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  631.403123][T13096]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  631.403125][T13096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  631.403127][T13096] RIP: 0033:0x7f81e5f9c54e
[  631.403129][T13096] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  631.403131][T13096] RSP: 002b:00007fff9106e4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  631.403134][T13096] RAX: ffffffffffffffda RBX: 00007fff9106eca8 RCX: 00007f81e5f9c54e
[  631.403136][T13096] RDX: 0000000000000000 RSI: 00007fff9106e590 RDI: 0000000000000005
[  631.403137][T13096] RBP: 00007fff9106e4f0 R08: 0000000000000000 R09: 0000000000000000
[  631.403138][T13096] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91123c
[  631.403138][T13096] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9106ec60
| [  632.726711][T13165] softirqs last disabled at (0): 0x0
| [  632.726713][T13165] Preemption disabled at:
| [  632.726714][T13165] vprintk_emit (kernel/printk/printk.c:2471)
| [  632.726723][T13165] Tainted: [W]=WARN
[  632.726724][T13165] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  632.726726][T13165] Call Trace:
[  632.726727][T13165]  <TASK>
[  632.726728][T13165]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  632.726734][T13165]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  632.726735][T13165]  __might_resched.cold (kernel/sched/core.c:9234)
[  632.726739][T13165]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  632.726743][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726745][T13165]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  632.726748][T13165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  632.726751][T13165]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  632.726756][T13165]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  632.726758][T13165]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  632.726761][T13165]  put_chars (drivers/char/virtio_console.c:1176)
[  632.726762][T13165]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  632.726763][T13165]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  632.726766][T13165]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  632.726768][T13165]  ? pointer (lib/vsprintf.c:2577)
[  632.726771][T13165]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  632.726776][T13165]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  632.726778][T13165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  632.726780][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726782][T13165]  console_emit_next_record (kernel/printk/printk.c:3183)
[  632.726785][T13165]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  632.726787][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726788][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726789][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726790][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726792][T13165]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  632.726794][T13165]  console_flush_one_record (kernel/printk/printk.c:3268)
[  632.726797][T13165]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  632.726799][T13165]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  632.726801][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726803][T13165]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  632.726804][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726805][T13165]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.726807][T13165]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  632.726809][T13165]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  632.726810][T13165]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  632.726812][T13165]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  632.726813][T13165]  vprintk_emit (kernel/printk/printk.c:2479)
[  632.726815][T13165]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  632.726816][T13165]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  632.726819][T13165]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  632.726822][T13165]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  632.726825][T13165]  _printk (kernel/printk/printk.c:2504)
[  632.726828][T13165]  ? snapshot_read.cold (user.c:?)
[  632.726830][T13165]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  632.726832][T13165]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  632.726835][T13165]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  632.726837][T13165]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  632.726841][T13165]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  632.726843][T13165]  ? netdev_notice (net/core/dev.c:13194)
[  632.726845][T13165]  ? 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)
[  632.726847][T13165]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  632.726849][T13165]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  632.726851][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726852][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726853][T13165]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  632.726854][T13165]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  632.726856][T13165]  ? 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)
[  632.726857][T13165]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  632.726859][T13165]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  632.726860][T13165]  ? register_netdev (net/core/dev.c:11618)
[  632.726862][T13165]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.726864][T13165]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  632.726867][T13165]  ? __kernel_text_address (kernel/extable.c:79)
[  632.726869][T13165]  ? write_profile (profile.c:?)
[  632.726872][T13165]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  632.726876][T13165]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  632.726878][T13165]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  632.726879][T13165]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  632.726880][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726881][T13165]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  632.726885][T13165]  ? kasan_save_stack (mm/kasan/common.c:58)
[  632.726887][T13165]  ? kasan_save_stack (mm/kasan/common.c:57)
[  632.726888][T13165]  ? kasan_save_track (mm/kasan/common.c:78)
[  632.726889][T13165]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  632.726890][T13165]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  632.726891][T13165]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  632.726892][T13165]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  632.726894][T13165]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  632.726896][T13165]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  632.726898][T13165]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  632.726899][T13165]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  632.726902][T13165]  ? ____sys_sendmsg (net/socket.c:2713)
[  632.726903][T13165]  ? ___sys_sendmsg (net/socket.c:2767)
[  632.726905][T13165]  ? __sys_sendmsg (net/socket.c:2799)
[  632.726906][T13165]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  632.726909][T13165]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  632.726911][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726912][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726914][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726914][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726916][T13165]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  632.726917][T13165]  ? __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)
[  632.726919][T13165]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  632.726920][T13165]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  632.726921][T13165]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  632.726922][T13165]  ? nla_get_range_signed (lib/nlattr.c:270)
[  632.726926][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726927][T13165]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  632.726929][T13165]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  632.726931][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726932][T13165]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.726933][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726935][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726936][T13165]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  632.726939][T13165]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  632.726940][T13165]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  632.726941][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726943][T13165]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  632.726946][T13165]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  632.726948][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726949][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726951][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726952][T13165]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  632.726954][T13165]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  632.726955][T13165]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  632.726957][T13165]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  632.726958][T13165]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  632.726961][T13165]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  632.726963][T13165]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  632.726964][T13165]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.726966][T13165]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  632.726967][T13165]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  632.726970][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.726971][T13165]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  632.726973][T13165]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  632.726976][T13165]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  632.726977][T13165]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  632.726979][T13165]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  632.726982][T13165]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  632.726983][T13165]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  632.726985][T13165]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  632.726987][T13165]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  632.726990][T13165]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  632.726992][T13165]  ____sys_sendmsg (net/socket.c:2713)
[  632.726993][T13165]  ? copy_msghdr_from_user (net/socket.c:2650)
[  632.726995][T13165]  ? sock_write_iter (net/socket.c:1269)
[  632.726996][T13165]  ? move_addr_to_kernel (net/socket.c:258)
[  632.726998][T13165]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  632.727001][T13165]  ___sys_sendmsg (net/socket.c:2767)
[  632.727002][T13165]  ? copy_msghdr_from_user (net/socket.c:2619)
[  632.727007][T13165]  __sys_sendmsg (net/socket.c:2799)
[  632.727009][T13165]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  632.727012][T13165]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  632.727013][T13165]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  632.727015][T13165]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  632.727017][T13165]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  632.727018][T13165] RIP: 0033:0x7eff9b85354e
[  632.727020][T13165] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  632.727022][T13165] RSP: 002b:00007ffe0c75b660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  632.727026][T13165] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007eff9b85354e
[  632.727027][T13165] RDX: 0000000000000000 RSI: 00007ffe0c75b710 RDI: 0000000000000005
[  632.727028][T13165] RBP: 00007ffe0c75b670 R08: 0000000000000000 R09: 0000000000000000
[  632.727029][T13165] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91123e
[  632.727030][T13165] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0c75bdd0
| [  633.822797][T13222] softirqs last disabled at (0): 0x0
| [  633.822798][T13222] Preemption disabled at:
| [  633.822799][T13222] vprintk_emit (kernel/printk/printk.c:2471)
| [  633.822809][T13222] Tainted: [W]=WARN
[  633.822810][T13222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  633.822812][T13222] Call Trace:
[  633.822813][T13222]  <TASK>
[  633.822814][T13222]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  633.822820][T13222]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  633.822821][T13222]  __might_resched.cold (kernel/sched/core.c:9234)
[  633.822825][T13222]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  633.822827][T13222]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  633.822830][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822833][T13222]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  633.822836][T13222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  633.822839][T13222]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  633.822844][T13222]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  633.822846][T13222]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  633.822849][T13222]  put_chars (drivers/char/virtio_console.c:1176)
[  633.822850][T13222]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  633.822852][T13222]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  633.822854][T13222]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  633.822859][T13222]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  633.822861][T13222]  ? vsnprintf (lib/vsprintf.c:2900)
[  633.822864][T13222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  633.822865][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822866][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822868][T13222]  console_emit_next_record (kernel/printk/printk.c:3183)
[  633.822871][T13222]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  633.822873][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822874][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822875][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822876][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.822878][T13222]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  633.822880][T13222]  console_flush_one_record (kernel/printk/printk.c:3268)
[  633.822882][T13222]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  633.822885][T13222]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  633.822887][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.822889][T13222]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  633.822890][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822891][T13222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  633.822893][T13222]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  633.822894][T13222]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  633.822896][T13222]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  633.822898][T13222]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  633.822899][T13222]  vprintk_emit (kernel/printk/printk.c:2479)
[  633.822901][T13222]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  633.822902][T13222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  633.822904][T13222]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  633.822907][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.822909][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822910][T13222]  _printk (kernel/printk/printk.c:2504)
[  633.822913][T13222]  ? snapshot_read.cold (user.c:?)
[  633.822915][T13222]  ? br_multicast_flood (??:?)
[  633.822919][T13222]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  633.822921][T13222]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  633.822922][T13222]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  633.822924][T13222]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  633.822927][T13222]  br_init_port (net/bridge/br_stp_if.c:39)
[  633.822929][T13222]  new_nbp (net/bridge/br_if.c:449)
[  633.822931][T13222]  br_add_if (net/bridge/br_if.c:592)
[  633.822933][T13222]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  633.822937][T13222]  do_set_master (net/core/rtnetlink.c:3071)
[  633.822939][T13222]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  633.822941][T13222]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  633.822942][T13222]  ? __dev_get_by_name (net/core/dev.c:905)
[  633.822944][T13222]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  633.822948][T13222]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  633.822950][T13222]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  633.822952][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822953][T13222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.822955][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.822956][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822957][T13222]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  633.822960][T13222]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  633.822962][T13222]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  633.822964][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822965][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.822967][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822968][T13222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  633.822969][T13222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  633.822971][T13222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  633.822972][T13222]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  633.822974][T13222]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  633.822978][T13222]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  633.822981][T13222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  633.822982][T13222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  633.822984][T13222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  633.822985][T13222]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  633.822988][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.822989][T13222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  633.822991][T13222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  633.822993][T13222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  633.822995][T13222]  ? next_uptodate_folio (mm/filemap.c:3747)
[  633.822998][T13222]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  633.823000][T13222]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  633.823002][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.823004][T13222]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  633.823007][T13222]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  633.823010][T13222]  ____sys_sendmsg (net/socket.c:2713)
[  633.823012][T13222]  ? copy_msghdr_from_user (net/socket.c:2650)
[  633.823014][T13222]  ? sock_write_iter (net/socket.c:1269)
[  633.823015][T13222]  ? move_addr_to_kernel (net/socket.c:258)
[  633.823017][T13222]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  633.823019][T13222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  633.823021][T13222]  ___sys_sendmsg (net/socket.c:2767)
[  633.823023][T13222]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  633.823025][T13222]  ? copy_msghdr_from_user (net/socket.c:2619)
[  633.823026][T13222]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  633.823031][T13222]  __sys_sendmsg (net/socket.c:2799)
[  633.823033][T13222]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  633.823040][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.823042][T13222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  633.823043][T13222]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  633.823046][T13222]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  633.823048][T13222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  633.823050][T13222] RIP: 0033:0x7f96368a054e
[  633.823052][T13222] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  633.823054][T13222] RSP: 002b:00007ffcaf42cc40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  633.823057][T13222] RAX: ffffffffffffffda RBX: 00007ffcaf42d408 RCX: 00007f96368a054e
[  633.823059][T13222] RDX: 0000000000000000 RSI: 00007ffcaf42ccf0 RDI: 0000000000000005
[  633.823060][T13222] RBP: 00007ffcaf42cc50 R08: 0000000000000000 R09: 0000000000000000
[  633.823061][T13222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91123f
[  633.823062][T13222] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaf42d3c0
| [  639.832985][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  639.832987][   T12] Preemption disabled at:
| [  639.832988][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.832999][   T12] Tainted: [W]=WARN
[  639.833000][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.833001][   T12] Workqueue: netns cleanup_net
[  639.833006][   T12] Call Trace:
[  639.833008][   T12]  <TASK>
[  639.833009][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.833015][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.833016][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.833020][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  639.833022][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.833025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833028][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  639.833031][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.833034][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.833038][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  639.833040][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.833043][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  639.833045][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.833046][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  639.833049][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.833053][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.833055][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  639.833064][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.833066][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833067][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833069][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.833072][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.833074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833075][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833077][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.833080][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  639.833082][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.833084][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.833087][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.833089][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.833091][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.833092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833094][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.833095][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  639.833097][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  639.833098][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.833100][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.833101][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.833103][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.833105][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  639.833106][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  639.833109][   T12]  ? kthread (kernel/kthread.c:436)
[  639.833111][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  639.833114][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  639.833117][   T12]  _printk (kernel/printk/printk.c:2504)
[  639.833120][   T12]  ? snapshot_read.cold (user.c:?)
[  639.833122][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  639.833125][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  639.833127][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  639.833130][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  639.833132][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833133][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  639.833134][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  639.833137][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  639.833139][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  639.833140][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  639.833142][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  639.833145][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  639.833149][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  639.833151][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  639.833153][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  639.833156][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  639.833157][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  639.833160][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  639.833162][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  639.833164][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.833166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.833167][   T12]  process_one_work (kernel/workqueue.c:3387)
[  639.833170][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  639.833173][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.833175][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  639.833178][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  639.833180][   T12]  kthread (kernel/kthread.c:436)
[  639.833182][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  639.833184][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  639.833186][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  639.833187][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  639.833189][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  639.833192][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  639.833194][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  641.028590][T13356] softirqs last disabled at (0): 0x0
| [  641.028592][T13356] Preemption disabled at:
| [  641.028593][T13356] vprintk_emit (kernel/printk/printk.c:2471)
| [  641.028603][T13356] Tainted: [W]=WARN
[  641.028604][T13356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  641.028605][T13356] Call Trace:
[  641.028607][T13356]  <TASK>
[  641.028608][T13356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  641.028614][T13356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  641.028615][T13356]  __might_resched.cold (kernel/sched/core.c:9234)
[  641.028619][T13356]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  641.028621][T13356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  641.028624][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028626][T13356]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  641.028630][T13356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.028633][T13356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.028638][T13356]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  641.028640][T13356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.028642][T13356]  put_chars (drivers/char/virtio_console.c:1176)
[  641.028644][T13356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  641.028646][T13356]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  641.028648][T13356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  641.028653][T13356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  641.028655][T13356]  ? vsnprintf (lib/vsprintf.c:2900)
[  641.028658][T13356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.028660][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028661][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028663][T13356]  console_emit_next_record (kernel/printk/printk.c:3183)
[  641.028665][T13356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  641.028667][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028669][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028670][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028671][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028673][T13356]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  641.028675][T13356]  console_flush_one_record (kernel/printk/printk.c:3268)
[  641.028677][T13356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  641.028680][T13356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  641.028682][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028683][T13356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  641.028685][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028686][T13356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.028687][T13356]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  641.028689][T13356]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  641.028690][T13356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  641.028692][T13356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  641.028694][T13356]  vprintk_emit (kernel/printk/printk.c:2479)
[  641.028696][T13356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  641.028697][T13356]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.028698][T13356]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  641.028701][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028703][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028704][T13356]  _printk (kernel/printk/printk.c:2504)
[  641.028707][T13356]  ? snapshot_read.cold (user.c:?)
[  641.028709][T13356]  ? br_multicast_flood (??:?)
[  641.028713][T13356]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  641.028715][T13356]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  641.028716][T13356]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.028718][T13356]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  641.028721][T13356]  br_init_port (net/bridge/br_stp_if.c:39)
[  641.028722][T13356]  new_nbp (net/bridge/br_if.c:449)
[  641.028725][T13356]  br_add_if (net/bridge/br_if.c:592)
[  641.028726][T13356]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  641.028730][T13356]  do_set_master (net/core/rtnetlink.c:3071)
[  641.028732][T13356]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  641.028734][T13356]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  641.028736][T13356]  ? __dev_get_by_name (net/core/dev.c:905)
[  641.028737][T13356]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  641.028741][T13356]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  641.028744][T13356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.028746][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028747][T13356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.028748][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028750][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028751][T13356]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  641.028754][T13356]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  641.028756][T13356]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  641.028758][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028759][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028761][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028762][T13356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.028763][T13356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  641.028765][T13356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.028767][T13356]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  641.028768][T13356]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  641.028772][T13356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  641.028774][T13356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.028776][T13356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.028777][T13356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  641.028779][T13356]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  641.028782][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028783][T13356]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.028785][T13356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  641.028787][T13356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  641.028789][T13356]  ? next_uptodate_folio (mm/filemap.c:3747)
[  641.028792][T13356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  641.028794][T13356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  641.028796][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028798][T13356]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  641.028801][T13356]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  641.028804][T13356]  ____sys_sendmsg (net/socket.c:2713)
[  641.028806][T13356]  ? copy_msghdr_from_user (net/socket.c:2650)
[  641.028808][T13356]  ? sock_write_iter (net/socket.c:1269)
[  641.028809][T13356]  ? move_addr_to_kernel (net/socket.c:258)
[  641.028812][T13356]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  641.028814][T13356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.028816][T13356]  ___sys_sendmsg (net/socket.c:2767)
[  641.028818][T13356]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  641.028819][T13356]  ? copy_msghdr_from_user (net/socket.c:2619)
[  641.028821][T13356]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  641.028826][T13356]  __sys_sendmsg (net/socket.c:2799)
[  641.028828][T13356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  641.028830][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028831][T13356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.028833][T13356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  641.028835][T13356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  641.028838][T13356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  641.028840][T13356] RIP: 0033:0x7f5da576454e
[  641.028842][T13356] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  641.028844][T13356] RSP: 002b:00007ffdaf810c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  641.028847][T13356] RAX: ffffffffffffffda RBX: 00007ffdaf8113f8 RCX: 00007f5da576454e
[  641.028848][T13356] RDX: 0000000000000000 RSI: 00007ffdaf810ce0 RDI: 0000000000000005
[  641.028849][T13356] RBP: 00007ffdaf810c40 R08: 0000000000000000 R09: 0000000000000000
[  641.028850][T13356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911246
[  641.028851][T13356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaf8113b0
| [  642.305740][T13425] softirqs last disabled at (0): 0x0
| [  642.305742][T13425] Preemption disabled at:
| [  642.305743][T13425] vprintk_emit (kernel/printk/printk.c:2471)
| [  642.305753][T13425] Tainted: [W]=WARN
[  642.305754][T13425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  642.305755][T13425] Call Trace:
[  642.305757][T13425]  <TASK>
[  642.305758][T13425]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  642.305763][T13425]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  642.305765][T13425]  __might_resched.cold (kernel/sched/core.c:9234)
[  642.305769][T13425]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  642.305772][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305775][T13425]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  642.305778][T13425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.305781][T13425]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.305786][T13425]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  642.305788][T13425]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.305790][T13425]  put_chars (drivers/char/virtio_console.c:1176)
[  642.305792][T13425]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  642.305793][T13425]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  642.305795][T13425]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  642.305797][T13425]  ? pointer (lib/vsprintf.c:2577)
[  642.305800][T13425]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  642.305805][T13425]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  642.305807][T13425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.305809][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.305811][T13425]  console_emit_next_record (kernel/printk/printk.c:3183)
[  642.305814][T13425]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  642.305816][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305817][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305818][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305819][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.305821][T13425]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  642.305823][T13425]  console_flush_one_record (kernel/printk/printk.c:3268)
[  642.305825][T13425]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  642.305828][T13425]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  642.305830][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.305832][T13425]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  642.305833][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305834][T13425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.305836][T13425]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  642.305837][T13425]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  642.305839][T13425]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  642.305841][T13425]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  642.305842][T13425]  vprintk_emit (kernel/printk/printk.c:2479)
[  642.305844][T13425]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  642.305845][T13425]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  642.305848][T13425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  642.305851][T13425]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  642.305853][T13425]  _printk (kernel/printk/printk.c:2504)
[  642.305856][T13425]  ? snapshot_read.cold (user.c:?)
[  642.305858][T13425]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  642.305860][T13425]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  642.305863][T13425]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  642.305865][T13425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.305868][T13425]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  642.305870][T13425]  ? netdev_notice (net/core/dev.c:13194)
[  642.305872][T13425]  ? 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)
[  642.305874][T13425]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  642.305877][T13425]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.305878][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305879][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305880][T13425]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  642.305882][T13425]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  642.305883][T13425]  ? 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)
[  642.305885][T13425]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.305886][T13425]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  642.305888][T13425]  ? register_netdev (net/core/dev.c:11618)
[  642.305889][T13425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.305891][T13425]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  642.305894][T13425]  ? __kernel_text_address (kernel/extable.c:79)
[  642.305896][T13425]  ? write_profile (profile.c:?)
[  642.305899][T13425]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  642.305903][T13425]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  642.305904][T13425]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  642.305906][T13425]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  642.305907][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305908][T13425]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  642.305912][T13425]  ? kasan_save_stack (mm/kasan/common.c:58)
[  642.305913][T13425]  ? kasan_save_stack (mm/kasan/common.c:57)
[  642.305914][T13425]  ? kasan_save_track (mm/kasan/common.c:78)
[  642.305915][T13425]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  642.305917][T13425]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  642.305918][T13425]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  642.305919][T13425]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  642.305920][T13425]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  642.305923][T13425]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  642.305924][T13425]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  642.305926][T13425]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  642.305928][T13425]  ? ____sys_sendmsg (net/socket.c:2713)
[  642.305930][T13425]  ? ___sys_sendmsg (net/socket.c:2767)
[  642.305931][T13425]  ? __sys_sendmsg (net/socket.c:2799)
[  642.305933][T13425]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  642.305935][T13425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.305938][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305939][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.305940][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305941][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305942][T13425]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  642.305944][T13425]  ? __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)
[  642.305945][T13425]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  642.305946][T13425]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  642.305948][T13425]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  642.305949][T13425]  ? nla_get_range_signed (lib/nlattr.c:270)
[  642.305953][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305954][T13425]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  642.305956][T13425]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.305958][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305959][T13425]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.305960][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.305962][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305963][T13425]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  642.305966][T13425]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  642.305967][T13425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  642.305968][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305969][T13425]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  642.305973][T13425]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  642.305975][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305976][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.305978][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305979][T13425]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.305980][T13425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  642.305982][T13425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.305983][T13425]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  642.305985][T13425]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  642.305987][T13425]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  642.305989][T13425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.305990][T13425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.305992][T13425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  642.305994][T13425]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  642.305997][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.305998][T13425]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.306000][T13425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  642.306002][T13425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  642.306004][T13425]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.306006][T13425]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  642.306008][T13425]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  642.306009][T13425]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  642.306011][T13425]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.306013][T13425]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  642.306016][T13425]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  642.306017][T13425]  ____sys_sendmsg (net/socket.c:2713)
[  642.306019][T13425]  ? copy_msghdr_from_user (net/socket.c:2650)
[  642.306021][T13425]  ? sock_write_iter (net/socket.c:1269)
[  642.306022][T13425]  ? move_addr_to_kernel (net/socket.c:258)
[  642.306024][T13425]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  642.306026][T13425]  ___sys_sendmsg (net/socket.c:2767)
[  642.306028][T13425]  ? copy_msghdr_from_user (net/socket.c:2619)
[  642.306033][T13425]  __sys_sendmsg (net/socket.c:2799)
[  642.306035][T13425]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  642.306038][T13425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.306039][T13425]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  642.306041][T13425]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  642.306043][T13425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.306045][T13425] RIP: 0033:0x7f485355954e
[  642.306046][T13425] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  642.306048][T13425] RSP: 002b:00007ffd7abeda40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  642.306052][T13425] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f485355954e
[  642.306053][T13425] RDX: 0000000000000000 RSI: 00007ffd7abedaf0 RDI: 0000000000000005
[  642.306054][T13425] RBP: 00007ffd7abeda50 R08: 0000000000000000 R09: 0000000000000000
[  642.306055][T13425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911247
[  642.306056][T13425] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7abee1b0
| [  643.371998][T13475] softirqs last disabled at (0): 0x0
| [  643.372000][T13475] Preemption disabled at:
| [  643.372001][T13475] vprintk_emit (kernel/printk/printk.c:2471)
| [  643.372011][T13475] Tainted: [W]=WARN
[  643.372012][T13475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  643.372014][T13475] Call Trace:
[  643.372016][T13475]  <TASK>
[  643.372017][T13475]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  643.372023][T13475]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  643.372024][T13475]  __might_resched.cold (kernel/sched/core.c:9234)
[  643.372028][T13475]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  643.372030][T13475]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  643.372033][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372036][T13475]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  643.372039][T13475]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.372042][T13475]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.372048][T13475]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  643.372049][T13475]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  643.372052][T13475]  put_chars (drivers/char/virtio_console.c:1176)
[  643.372054][T13475]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  643.372056][T13475]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  643.372058][T13475]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  643.372063][T13475]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  643.372065][T13475]  ? vsnprintf (lib/vsprintf.c:2900)
[  643.372068][T13475]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.372074][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372075][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372077][T13475]  console_emit_next_record (kernel/printk/printk.c:3183)
[  643.372080][T13475]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  643.372082][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372083][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372084][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372085][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372088][T13475]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  643.372089][T13475]  console_flush_one_record (kernel/printk/printk.c:3268)
[  643.372092][T13475]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  643.372095][T13475]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  643.372097][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372098][T13475]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  643.372100][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372101][T13475]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.372103][T13475]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  643.372104][T13475]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  643.372106][T13475]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  643.372108][T13475]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  643.372109][T13475]  vprintk_emit (kernel/printk/printk.c:2479)
[  643.372111][T13475]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  643.372112][T13475]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  643.372114][T13475]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  643.372116][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372118][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372119][T13475]  _printk (kernel/printk/printk.c:2504)
[  643.372122][T13475]  ? snapshot_read.cold (user.c:?)
[  643.372124][T13475]  ? br_multicast_flood (??:?)
[  643.372128][T13475]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  643.372130][T13475]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  643.372131][T13475]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  643.372133][T13475]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  643.372136][T13475]  br_init_port (net/bridge/br_stp_if.c:39)
[  643.372138][T13475]  new_nbp (net/bridge/br_if.c:449)
[  643.372140][T13475]  br_add_if (net/bridge/br_if.c:592)
[  643.372142][T13475]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  643.372146][T13475]  do_set_master (net/core/rtnetlink.c:3071)
[  643.372148][T13475]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  643.372150][T13475]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  643.372151][T13475]  ? __dev_get_by_name (net/core/dev.c:905)
[  643.372153][T13475]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  643.372157][T13475]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  643.372159][T13475]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  643.372161][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372163][T13475]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.372164][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372165][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372167][T13475]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  643.372170][T13475]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  643.372171][T13475]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  643.372174][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372175][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372176][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372177][T13475]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  643.372179][T13475]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  643.372180][T13475]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.372182][T13475]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  643.372183][T13475]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  643.372187][T13475]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  643.372190][T13475]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  643.372192][T13475]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.372193][T13475]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  643.372195][T13475]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  643.372198][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372199][T13475]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  643.372201][T13475]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  643.372203][T13475]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  643.372205][T13475]  ? next_uptodate_folio (mm/filemap.c:3747)
[  643.372208][T13475]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  643.372210][T13475]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  643.372212][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372214][T13475]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  643.372217][T13475]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  643.372220][T13475]  ____sys_sendmsg (net/socket.c:2713)
[  643.372222][T13475]  ? copy_msghdr_from_user (net/socket.c:2650)
[  643.372224][T13475]  ? sock_write_iter (net/socket.c:1269)
[  643.372225][T13475]  ? move_addr_to_kernel (net/socket.c:258)
[  643.372227][T13475]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  643.372230][T13475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  643.372232][T13475]  ___sys_sendmsg (net/socket.c:2767)
[  643.372233][T13475]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  643.372235][T13475]  ? copy_msghdr_from_user (net/socket.c:2619)
[  643.372237][T13475]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  643.372241][T13475]  __sys_sendmsg (net/socket.c:2799)
[  643.372243][T13475]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  643.372246][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372247][T13475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  643.372249][T13475]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  643.372251][T13475]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  643.372253][T13475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  643.372255][T13475] RIP: 0033:0x7f7dc1ae354e
[  643.372257][T13475] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  643.372259][T13475] RSP: 002b:00007fff7c309330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  643.372262][T13475] RAX: ffffffffffffffda RBX: 00007fff7c309af8 RCX: 00007f7dc1ae354e
[  643.372264][T13475] RDX: 0000000000000000 RSI: 00007fff7c3093e0 RDI: 0000000000000005
[  643.372265][T13475] RBP: 00007fff7c309340 R08: 0000000000000000 R09: 0000000000000000
[  643.372266][T13475] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911248
[  643.372267][T13475] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7c309ab0
| [  649.365996][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  649.365998][   T12] Preemption disabled at:
| [  649.365999][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  649.366010][   T12] Tainted: [W]=WARN
[  649.366011][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  649.366013][   T12] Workqueue: netns cleanup_net
[  649.366018][   T12] Call Trace:
[  649.366019][   T12]  <TASK>
[  649.366021][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  649.366026][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  649.366028][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  649.366031][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  649.366033][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  649.366036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366039][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  649.366042][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.366045][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.366050][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  649.366052][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.366054][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  649.366056][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  649.366058][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  649.366060][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  649.366065][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  649.366067][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  649.366069][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.366070][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366072][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366073][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  649.366076][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  649.366078][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366079][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366080][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366081][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.366083][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  649.366085][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  649.366088][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  649.366094][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  649.366096][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.366097][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  649.366099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366100][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.366102][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  649.366103][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  649.366105][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  649.366107][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  649.366108][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  649.366110][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  649.366111][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  649.366113][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  649.366115][   T12]  ? kthread (kernel/kthread.c:436)
[  649.366117][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  649.366120][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  649.366122][   T12]  _printk (kernel/printk/printk.c:2504)
[  649.366125][   T12]  ? snapshot_read.cold (user.c:?)
[  649.366127][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  649.366131][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  649.366133][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  649.366135][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  649.366137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366139][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  649.366140][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  649.366143][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  649.366145][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  649.366146][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  649.366149][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  649.366151][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  649.366155][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  649.366157][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  649.366159][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  649.366162][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  649.366164][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  649.366166][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  649.366168][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  649.366170][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.366172][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.366174][   T12]  process_one_work (kernel/workqueue.c:3387)
[  649.366177][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  649.366179][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.366182][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  649.366185][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  649.366187][   T12]  kthread (kernel/kthread.c:436)
[  649.366188][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  649.366190][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  649.366192][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  649.366194][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  649.366196][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  649.366198][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  649.366200][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  650.545044][T13609] softirqs last disabled at (0): 0x0
| [  650.545045][T13609] Preemption disabled at:
| [  650.545046][T13609] vprintk_emit (kernel/printk/printk.c:2471)
| [  650.545057][T13609] Tainted: [W]=WARN
[  650.545058][T13609] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  650.545059][T13609] Call Trace:
[  650.545061][T13609]  <TASK>
[  650.545063][T13609]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  650.545068][T13609]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  650.545069][T13609]  __might_resched.cold (kernel/sched/core.c:9234)
[  650.545073][T13609]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  650.545075][T13609]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  650.545079][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545081][T13609]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  650.545084][T13609]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  650.545087][T13609]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  650.545092][T13609]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  650.545098][T13609]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  650.545101][T13609]  put_chars (drivers/char/virtio_console.c:1176)
[  650.545103][T13609]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  650.545105][T13609]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  650.545107][T13609]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  650.545112][T13609]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  650.545114][T13609]  ? vsnprintf (lib/vsprintf.c:2900)
[  650.545117][T13609]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  650.545119][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545120][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545122][T13609]  console_emit_next_record (kernel/printk/printk.c:3183)
[  650.545124][T13609]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  650.545126][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545128][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545129][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545130][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545132][T13609]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  650.545134][T13609]  console_flush_one_record (kernel/printk/printk.c:3268)
[  650.545136][T13609]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  650.545139][T13609]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  650.545141][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545142][T13609]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  650.545144][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545145][T13609]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.545147][T13609]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  650.545148][T13609]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  650.545150][T13609]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  650.545152][T13609]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  650.545153][T13609]  vprintk_emit (kernel/printk/printk.c:2479)
[  650.545155][T13609]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  650.545156][T13609]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  650.545157][T13609]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  650.545160][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545162][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545163][T13609]  _printk (kernel/printk/printk.c:2504)
[  650.545166][T13609]  ? snapshot_read.cold (user.c:?)
[  650.545168][T13609]  ? br_multicast_flood (??:?)
[  650.545171][T13609]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  650.545174][T13609]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  650.545175][T13609]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  650.545177][T13609]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  650.545180][T13609]  br_init_port (net/bridge/br_stp_if.c:39)
[  650.545181][T13609]  new_nbp (net/bridge/br_if.c:449)
[  650.545184][T13609]  br_add_if (net/bridge/br_if.c:592)
[  650.545185][T13609]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  650.545190][T13609]  do_set_master (net/core/rtnetlink.c:3071)
[  650.545191][T13609]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  650.545193][T13609]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  650.545194][T13609]  ? __dev_get_by_name (net/core/dev.c:905)
[  650.545196][T13609]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  650.545200][T13609]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  650.545202][T13609]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  650.545204][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545206][T13609]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.545207][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545208][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545210][T13609]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  650.545212][T13609]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  650.545214][T13609]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  650.545217][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545218][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545219][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545220][T13609]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  650.545222][T13609]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  650.545224][T13609]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  650.545225][T13609]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  650.545227][T13609]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  650.545230][T13609]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  650.545233][T13609]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  650.545235][T13609]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.545236][T13609]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  650.545238][T13609]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  650.545241][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545242][T13609]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  650.545244][T13609]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  650.545246][T13609]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  650.545248][T13609]  ? next_uptodate_folio (mm/filemap.c:3747)
[  650.545251][T13609]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  650.545253][T13609]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  650.545255][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545257][T13609]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  650.545260][T13609]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  650.545263][T13609]  ____sys_sendmsg (net/socket.c:2713)
[  650.545264][T13609]  ? copy_msghdr_from_user (net/socket.c:2650)
[  650.545266][T13609]  ? sock_write_iter (net/socket.c:1269)
[  650.545268][T13609]  ? move_addr_to_kernel (net/socket.c:258)
[  650.545270][T13609]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  650.545272][T13609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  650.545274][T13609]  ___sys_sendmsg (net/socket.c:2767)
[  650.545276][T13609]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  650.545277][T13609]  ? copy_msghdr_from_user (net/socket.c:2619)
[  650.545279][T13609]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  650.545284][T13609]  __sys_sendmsg (net/socket.c:2799)
[  650.545286][T13609]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  650.545288][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545289][T13609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  650.545291][T13609]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  650.545293][T13609]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  650.545295][T13609]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  650.545297][T13609] RIP: 0033:0x7fef2721b54e
[  650.545299][T13609] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  650.545301][T13609] RSP: 002b:00007ffcb6dd4710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  650.545305][T13609] RAX: ffffffffffffffda RBX: 00007ffcb6dd4ed8 RCX: 00007fef2721b54e
[  650.545306][T13609] RDX: 0000000000000000 RSI: 00007ffcb6dd47c0 RDI: 0000000000000005
[  650.545307][T13609] RBP: 00007ffcb6dd4720 R08: 0000000000000000 R09: 0000000000000000
[  650.545308][T13609] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91124f
[  650.545309][T13609] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb6dd4e90
| [  651.873564][T13678] softirqs last disabled at (0): 0x0
| [  651.873566][T13678] Preemption disabled at:
| [  651.873567][T13678] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.873578][T13678] Tainted: [W]=WARN
[  651.873578][T13678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.873580][T13678] Call Trace:
[  651.873582][T13678]  <TASK>
[  651.873583][T13678]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.873589][T13678]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.873590][T13678]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.873594][T13678]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.873598][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873600][T13678]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  651.873603][T13678]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.873606][T13678]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.873612][T13678]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  651.873614][T13678]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.873617][T13678]  put_chars (drivers/char/virtio_console.c:1176)
[  651.873618][T13678]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.873619][T13678]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  651.873622][T13678]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  651.873624][T13678]  ? pointer (lib/vsprintf.c:2577)
[  651.873628][T13678]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.873633][T13678]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.873634][T13678]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.873636][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873639][T13678]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.873642][T13678]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.873644][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873645][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873646][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873647][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873649][T13678]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  651.873651][T13678]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.873654][T13678]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.873657][T13678]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.873658][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873660][T13678]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.873662][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873663][T13678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.873665][T13678]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  651.873666][T13678]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  651.873668][T13678]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.873670][T13678]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.873671][T13678]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.873673][T13678]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.873674][T13678]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  651.873677][T13678]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  651.873680][T13678]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  651.873683][T13678]  _printk (kernel/printk/printk.c:2504)
[  651.873686][T13678]  ? snapshot_read.cold (user.c:?)
[  651.873688][T13678]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  651.873690][T13678]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  651.873693][T13678]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  651.873695][T13678]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.873699][T13678]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  651.873701][T13678]  ? netdev_notice (net/core/dev.c:13194)
[  651.873703][T13678]  ? 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)
[  651.873705][T13678]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  651.873707][T13678]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.873709][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873710][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873712][T13678]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  651.873713][T13678]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  651.873715][T13678]  ? 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)
[  651.873716][T13678]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.873718][T13678]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  651.873719][T13678]  ? register_netdev (net/core/dev.c:11618)
[  651.873721][T13678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.873723][T13678]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  651.873726][T13678]  ? __kernel_text_address (kernel/extable.c:79)
[  651.873728][T13678]  ? write_profile (profile.c:?)
[  651.873731][T13678]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  651.873735][T13678]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  651.873737][T13678]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  651.873738][T13678]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  651.873739][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873741][T13678]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.873744][T13678]  ? kasan_save_stack (mm/kasan/common.c:58)
[  651.873746][T13678]  ? kasan_save_stack (mm/kasan/common.c:57)
[  651.873747][T13678]  ? kasan_save_track (mm/kasan/common.c:78)
[  651.873748][T13678]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  651.873749][T13678]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  651.873750][T13678]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  651.873752][T13678]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.873753][T13678]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.873756][T13678]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.873758][T13678]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.873759][T13678]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.873762][T13678]  ? ____sys_sendmsg (net/socket.c:2713)
[  651.873763][T13678]  ? ___sys_sendmsg (net/socket.c:2767)
[  651.873765][T13678]  ? __sys_sendmsg (net/socket.c:2799)
[  651.873767][T13678]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.873769][T13678]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.873772][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873773][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873774][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873775][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873777][T13678]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  651.873778][T13678]  ? __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)
[  651.873779][T13678]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  651.873781][T13678]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  651.873782][T13678]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  651.873784][T13678]  ? nla_get_range_signed (lib/nlattr.c:270)
[  651.873787][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873788][T13678]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  651.873791][T13678]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.873793][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873794][T13678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.873795][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873797][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873798][T13678]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  651.873800][T13678]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  651.873801][T13678]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  651.873803][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873804][T13678]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  651.873807][T13678]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  651.873810][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873811][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873812][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873814][T13678]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.873815][T13678]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.873817][T13678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.873818][T13678]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.873820][T13678]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.873822][T13678]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.873824][T13678]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.873826][T13678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.873827][T13678]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.873829][T13678]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  651.873832][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873833][T13678]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.873835][T13678]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.873838][T13678]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.873840][T13678]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.873842][T13678]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.873844][T13678]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.873846][T13678]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  651.873847][T13678]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.873849][T13678]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.873852][T13678]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.873854][T13678]  ____sys_sendmsg (net/socket.c:2713)
[  651.873856][T13678]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.873858][T13678]  ? sock_write_iter (net/socket.c:1269)
[  651.873859][T13678]  ? move_addr_to_kernel (net/socket.c:258)
[  651.873861][T13678]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.873863][T13678]  ___sys_sendmsg (net/socket.c:2767)
[  651.873865][T13678]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.873870][T13678]  __sys_sendmsg (net/socket.c:2799)
[  651.873872][T13678]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.873875][T13678]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.873877][T13678]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.873879][T13678]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.873881][T13678]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.873882][T13678] RIP: 0033:0x7f86641d554e
[  651.873884][T13678] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  651.873886][T13678] RSP: 002b:00007ffc35c403d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.873890][T13678] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f86641d554e
[  651.873891][T13678] RDX: 0000000000000000 RSI: 00007ffc35c40480 RDI: 0000000000000005
[  651.873892][T13678] RBP: 00007ffc35c403e0 R08: 0000000000000000 R09: 0000000000000000
[  651.873893][T13678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911251
[  651.873894][T13678] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc35c40b40
| [  652.941896][T13728] softirqs last disabled at (0): 0x0
| [  652.941898][T13728] Preemption disabled at:
| [  652.941899][T13728] vprintk_emit (kernel/printk/printk.c:2471)
| [  652.941909][T13728] Tainted: [W]=WARN
[  652.941910][T13728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  652.941911][T13728] Call Trace:
[  652.941913][T13728]  <TASK>
[  652.941914][T13728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  652.941920][T13728]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  652.941921][T13728]  __might_resched.cold (kernel/sched/core.c:9234)
[  652.941925][T13728]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  652.941927][T13728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  652.941930][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941933][T13728]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  652.941936][T13728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.941939][T13728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.941944][T13728]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  652.941946][T13728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.941948][T13728]  put_chars (drivers/char/virtio_console.c:1176)
[  652.941950][T13728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  652.941952][T13728]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  652.941955][T13728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  652.941959][T13728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  652.941961][T13728]  ? vsnprintf (lib/vsprintf.c:2900)
[  652.941964][T13728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.941966][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941967][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941969][T13728]  console_emit_next_record (kernel/printk/printk.c:3183)
[  652.941971][T13728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  652.941973][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941974][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941975][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941977][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.941979][T13728]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  652.941981][T13728]  console_flush_one_record (kernel/printk/printk.c:3268)
[  652.941983][T13728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  652.941986][T13728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  652.941988][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.941989][T13728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  652.941991][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.941992][T13728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.941994][T13728]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  652.941995][T13728]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  652.941997][T13728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  652.941998][T13728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  652.942000][T13728]  vprintk_emit (kernel/printk/printk.c:2479)
[  652.942002][T13728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  652.942003][T13728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.942005][T13728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.942008][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.942009][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942011][T13728]  _printk (kernel/printk/printk.c:2504)
[  652.942014][T13728]  ? snapshot_read.cold (user.c:?)
[  652.942015][T13728]  ? br_multicast_flood (??:?)
[  652.942019][T13728]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  652.942022][T13728]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  652.942023][T13728]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.942025][T13728]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  652.942027][T13728]  br_init_port (net/bridge/br_stp_if.c:39)
[  652.942029][T13728]  new_nbp (net/bridge/br_if.c:449)
[  652.942031][T13728]  br_add_if (net/bridge/br_if.c:592)
[  652.942033][T13728]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  652.942038][T13728]  do_set_master (net/core/rtnetlink.c:3071)
[  652.942039][T13728]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  652.942041][T13728]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  652.942043][T13728]  ? __dev_get_by_name (net/core/dev.c:905)
[  652.942044][T13728]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  652.942048][T13728]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  652.942051][T13728]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.942053][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942054][T13728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.942055][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.942057][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942058][T13728]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  652.942061][T13728]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  652.942062][T13728]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  652.942065][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942066][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.942067][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942069][T13728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.942070][T13728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.942072][T13728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.942073][T13728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.942074][T13728]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.942078][T13728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.942081][T13728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.942082][T13728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.942084][T13728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  652.942086][T13728]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  652.942089][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942090][T13728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.942092][T13728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.942094][T13728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  652.942096][T13728]  ? next_uptodate_folio (mm/filemap.c:3747)
[  652.942099][T13728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.942101][T13728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  652.942107][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.942109][T13728]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  652.942112][T13728]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.942115][T13728]  ____sys_sendmsg (net/socket.c:2713)
[  652.942117][T13728]  ? copy_msghdr_from_user (net/socket.c:2650)
[  652.942118][T13728]  ? sock_write_iter (net/socket.c:1269)
[  652.942120][T13728]  ? move_addr_to_kernel (net/socket.c:258)
[  652.942122][T13728]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  652.942124][T13728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.942126][T13728]  ___sys_sendmsg (net/socket.c:2767)
[  652.942128][T13728]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  652.942130][T13728]  ? copy_msghdr_from_user (net/socket.c:2619)
[  652.942131][T13728]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  652.942136][T13728]  __sys_sendmsg (net/socket.c:2799)
[  652.942138][T13728]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  652.942141][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942142][T13728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.942143][T13728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.942146][T13728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  652.942148][T13728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.942150][T13728] RIP: 0033:0x7f5e9151b54e
[  652.942152][T13728] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  652.942154][T13728] RSP: 002b:00007ffd9d4d24a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  652.942157][T13728] RAX: ffffffffffffffda RBX: 00007ffd9d4d2c68 RCX: 00007f5e9151b54e
[  652.942159][T13728] RDX: 0000000000000000 RSI: 00007ffd9d4d2550 RDI: 0000000000000005
[  652.942160][T13728] RBP: 00007ffd9d4d24b0 R08: 0000000000000000 R09: 0000000000000000
[  652.942161][T13728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911252
[  652.942162][T13728] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9d4d2c20
| [  658.924104][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  658.924106][   T12] Preemption disabled at:
| [  658.924107][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  658.924118][   T12] Tainted: [W]=WARN
[  658.924119][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  658.924120][   T12] Workqueue: netns cleanup_net
[  658.924130][   T12] Call Trace:
[  658.924131][   T12]  <TASK>
[  658.924133][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  658.924138][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  658.924140][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  658.924143][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  658.924145][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  658.924149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924151][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  658.924154][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.924157][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.924162][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  658.924164][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  658.924167][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  658.924168][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  658.924170][   T12]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[  658.924172][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  658.924174][   T12]  ? __schedule (kernel/sched/core.c:7277)
[  658.924176][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  658.924181][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  658.924183][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924184][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.924185][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924186][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924188][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  658.924191][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  658.924193][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924194][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.924197][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  658.924198][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  658.924201][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  658.924204][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  658.924205][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.924207][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  658.924209][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924210][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  658.924211][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  658.924213][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  658.924214][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  658.924216][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  658.924218][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  658.924219][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  658.924221][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  658.924222][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  658.924225][   T12]  ? kthread (kernel/kthread.c:436)
[  658.924227][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  658.924230][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  658.924232][   T12]  _printk (kernel/printk/printk.c:2504)
[  658.924235][   T12]  ? snapshot_read.cold (user.c:?)
[  658.924237][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  658.924241][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  658.924243][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  658.924245][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  658.924247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924248][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  658.924249][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  658.924253][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  658.924254][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  658.924255][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  658.924257][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  658.924260][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  658.924264][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  658.924266][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  658.924268][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  658.924270][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  658.924272][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  658.924275][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  658.924277][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  658.924279][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  658.924282][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  658.924283][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  658.924285][   T12]  process_one_work (kernel/workqueue.c:3387)
[  658.924288][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  658.924291][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  658.924293][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  658.924296][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  658.924298][   T12]  kthread (kernel/kthread.c:436)
[  658.924300][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  658.924301][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  658.924303][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  658.924305][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  658.924307][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  658.924310][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  658.924312][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  660.087770][T13863] softirqs last disabled at (0): 0x0
| [  660.087772][T13863] Preemption disabled at:
| [  660.087773][T13863] vprintk_emit (kernel/printk/printk.c:2471)
| [  660.087782][T13863] Tainted: [W]=WARN
[  660.087783][T13863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  660.087785][T13863] Call Trace:
[  660.087787][T13863]  <TASK>
[  660.087788][T13863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  660.087794][T13863]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  660.087795][T13863]  __might_resched.cold (kernel/sched/core.c:9234)
[  660.087799][T13863]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  660.087801][T13863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  660.087805][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087807][T13863]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  660.087810][T13863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.087813][T13863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.087818][T13863]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  660.087820][T13863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.087823][T13863]  put_chars (drivers/char/virtio_console.c:1176)
[  660.087824][T13863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  660.087826][T13863]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  660.087828][T13863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  660.087833][T13863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  660.087835][T13863]  ? vsnprintf (lib/vsprintf.c:2900)
[  660.087838][T13863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.087840][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087841][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087843][T13863]  console_emit_next_record (kernel/printk/printk.c:3183)
[  660.087845][T13863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  660.087847][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087848][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087849][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087850][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.087853][T13863]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  660.087855][T13863]  console_flush_one_record (kernel/printk/printk.c:3268)
[  660.087857][T13863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  660.087860][T13863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  660.087862][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.087863][T13863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  660.087865][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087866][T13863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.087868][T13863]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  660.087869][T13863]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  660.087870][T13863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  660.087872][T13863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  660.087874][T13863]  vprintk_emit (kernel/printk/printk.c:2479)
[  660.087876][T13863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  660.087877][T13863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.087878][T13863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  660.087882][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.087883][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087884][T13863]  _printk (kernel/printk/printk.c:2504)
[  660.087887][T13863]  ? snapshot_read.cold (user.c:?)
[  660.087889][T13863]  ? br_multicast_flood (??:?)
[  660.087893][T13863]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  660.087896][T13863]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  660.087897][T13863]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  660.087898][T13863]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  660.087901][T13863]  br_init_port (net/bridge/br_stp_if.c:39)
[  660.087903][T13863]  new_nbp (net/bridge/br_if.c:449)
[  660.087905][T13863]  br_add_if (net/bridge/br_if.c:592)
[  660.087907][T13863]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  660.087911][T13863]  do_set_master (net/core/rtnetlink.c:3071)
[  660.087913][T13863]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  660.087915][T13863]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  660.087916][T13863]  ? __dev_get_by_name (net/core/dev.c:905)
[  660.087918][T13863]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  660.087922][T13863]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  660.087924][T13863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  660.087926][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087928][T13863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.087929][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.087931][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087932][T13863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  660.087935][T13863]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  660.087937][T13863]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  660.087939][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087940][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.087942][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087943][T13863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  660.087945][T13863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  660.087946][T13863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.087948][T13863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  660.087949][T13863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  660.087953][T13863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  660.087956][T13863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  660.087957][T13863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.087959][T13863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  660.087960][T13863]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  660.087963][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.087964][T13863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.087967][T13863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  660.087969][T13863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  660.087971][T13863]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  660.087973][T13863]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  660.087976][T13863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  660.087978][T13863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  660.087980][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.087982][T13863]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  660.087985][T13863]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  660.087989][T13863]  ____sys_sendmsg (net/socket.c:2713)
[  660.087990][T13863]  ? copy_msghdr_from_user (net/socket.c:2650)
[  660.087992][T13863]  ? sock_write_iter (net/socket.c:1269)
[  660.087993][T13863]  ? move_addr_to_kernel (net/socket.c:258)
[  660.087995][T13863]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  660.087998][T13863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.088000][T13863]  ___sys_sendmsg (net/socket.c:2767)
[  660.088002][T13863]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  660.088004][T13863]  ? copy_msghdr_from_user (net/socket.c:2619)
[  660.088005][T13863]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  660.088010][T13863]  __sys_sendmsg (net/socket.c:2799)
[  660.088012][T13863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  660.088014][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.088016][T13863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.088017][T13863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  660.088020][T13863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  660.088022][T13863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  660.088023][T13863] RIP: 0033:0x7fd865e8f54e
[  660.088025][T13863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  660.088027][T13863] RSP: 002b:00007fff35c59c20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  660.088031][T13863] RAX: ffffffffffffffda RBX: 00007fff35c5a3e8 RCX: 00007fd865e8f54e
[  660.088032][T13863] RDX: 0000000000000000 RSI: 00007fff35c59cd0 RDI: 0000000000000005
[  660.088033][T13863] RBP: 00007fff35c59c30 R08: 0000000000000000 R09: 0000000000000000
[  660.088034][T13863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911259
[  660.088035][T13863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff35c5a3a0
| [  661.362641][T13931] softirqs last disabled at (0): 0x0
| [  661.362642][T13931] Preemption disabled at:
| [  661.362643][T13931] vprintk_emit (kernel/printk/printk.c:2471)
| [  661.362653][T13931] Tainted: [W]=WARN
[  661.362654][T13931] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  661.362656][T13931] Call Trace:
[  661.362657][T13931]  <TASK>
[  661.362658][T13931]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  661.362664][T13931]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  661.362665][T13931]  __might_resched.cold (kernel/sched/core.c:9234)
[  661.362669][T13931]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  661.362672][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362675][T13931]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  661.362678][T13931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  661.362681][T13931]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  661.362686][T13931]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  661.362688][T13931]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  661.362691][T13931]  put_chars (drivers/char/virtio_console.c:1176)
[  661.362693][T13931]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  661.362694][T13931]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  661.362696][T13931]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  661.362698][T13931]  ? pointer (lib/vsprintf.c:2577)
[  661.362701][T13931]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  661.362706][T13931]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  661.362708][T13931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  661.362710][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362712][T13931]  console_emit_next_record (kernel/printk/printk.c:3183)
[  661.362715][T13931]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  661.362717][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362718][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362719][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362720][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362722][T13931]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  661.362724][T13931]  console_flush_one_record (kernel/printk/printk.c:3268)
[  661.362727][T13931]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  661.362729][T13931]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  661.362731][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362733][T13931]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  661.362735][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362736][T13931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.362737][T13931]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  661.362739][T13931]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  661.362740][T13931]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  661.362742][T13931]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  661.362744][T13931]  vprintk_emit (kernel/printk/printk.c:2479)
[  661.362745][T13931]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  661.362746][T13931]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  661.362749][T13931]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  661.362752][T13931]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  661.362755][T13931]  _printk (kernel/printk/printk.c:2504)
[  661.362757][T13931]  ? snapshot_read.cold (user.c:?)
[  661.362759][T13931]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  661.362762][T13931]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  661.362765][T13931]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  661.362767][T13931]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  661.362770][T13931]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  661.362772][T13931]  ? netdev_notice (net/core/dev.c:13194)
[  661.362774][T13931]  ? 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)
[  661.362776][T13931]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  661.362778][T13931]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  661.362780][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362781][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362782][T13931]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  661.362784][T13931]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  661.362785][T13931]  ? 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)
[  661.362786][T13931]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  661.362788][T13931]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  661.362789][T13931]  ? register_netdev (net/core/dev.c:11618)
[  661.362791][T13931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.362793][T13931]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  661.362796][T13931]  ? __kernel_text_address (kernel/extable.c:79)
[  661.362798][T13931]  ? write_profile (profile.c:?)
[  661.362801][T13931]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  661.362805][T13931]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  661.362806][T13931]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  661.362808][T13931]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  661.362809][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362810][T13931]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  661.362814][T13931]  ? kasan_save_stack (mm/kasan/common.c:58)
[  661.362815][T13931]  ? kasan_save_stack (mm/kasan/common.c:57)
[  661.362817][T13931]  ? kasan_save_track (mm/kasan/common.c:78)
[  661.362818][T13931]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  661.362819][T13931]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  661.362820][T13931]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  661.362821][T13931]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  661.362822][T13931]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  661.362825][T13931]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  661.362827][T13931]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  661.362828][T13931]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  661.362831][T13931]  ? ____sys_sendmsg (net/socket.c:2713)
[  661.362833][T13931]  ? ___sys_sendmsg (net/socket.c:2767)
[  661.362834][T13931]  ? __sys_sendmsg (net/socket.c:2799)
[  661.362836][T13931]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  661.362838][T13931]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  661.362840][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362842][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362843][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362844][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362845][T13931]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  661.362847][T13931]  ? __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)
[  661.362848][T13931]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  661.362849][T13931]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  661.362851][T13931]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  661.362852][T13931]  ? nla_get_range_signed (lib/nlattr.c:270)
[  661.362855][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362856][T13931]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  661.362858][T13931]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  661.362860][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362862][T13931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  661.362863][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362864][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362866][T13931]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  661.362868][T13931]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  661.362869][T13931]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  661.362871][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362872][T13931]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  661.362875][T13931]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  661.362878][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362879][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362881][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362882][T13931]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  661.362883][T13931]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  661.362885][T13931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  661.362886][T13931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  661.362888][T13931]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  661.362890][T13931]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  661.362892][T13931]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  661.362893][T13931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.362895][T13931]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  661.362897][T13931]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  661.362900][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362901][T13931]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.362903][T13931]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  661.362905][T13931]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  661.362907][T13931]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  661.362909][T13931]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  661.362911][T13931]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  661.362912][T13931]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  661.362914][T13931]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.362916][T13931]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  661.362919][T13931]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  661.362921][T13931]  ____sys_sendmsg (net/socket.c:2713)
[  661.362923][T13931]  ? copy_msghdr_from_user (net/socket.c:2650)
[  661.362924][T13931]  ? sock_write_iter (net/socket.c:1269)
[  661.362926][T13931]  ? move_addr_to_kernel (net/socket.c:258)
[  661.362927][T13931]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  661.362930][T13931]  ___sys_sendmsg (net/socket.c:2767)
[  661.362932][T13931]  ? copy_msghdr_from_user (net/socket.c:2619)
[  661.362936][T13931]  __sys_sendmsg (net/socket.c:2799)
[  661.362938][T13931]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  661.362941][T13931]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.362943][T13931]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  661.362945][T13931]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  661.362947][T13931]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  661.362948][T13931] RIP: 0033:0x7fc43fab354e
[  661.362950][T13931] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  661.362952][T13931] RSP: 002b:00007ffe72259420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  661.362956][T13931] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc43fab354e
[  661.362957][T13931] RDX: 0000000000000000 RSI: 00007ffe722594d0 RDI: 0000000000000005
[  661.362958][T13931] RBP: 00007ffe72259430 R08: 0000000000000000 R09: 0000000000000000
[  661.362959][T13931] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91125a
[  661.362960][T13931] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe72259b90
| [  662.462795][T13992] softirqs last disabled at (0): 0x0
| [  662.462797][T13992] Preemption disabled at:
| [  662.462798][T13992] vprintk_emit (kernel/printk/printk.c:2471)
| [  662.462808][T13992] Tainted: [W]=WARN
[  662.462809][T13992] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  662.462810][T13992] Call Trace:
[  662.462812][T13992]  <TASK>
[  662.462813][T13992]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  662.462819][T13992]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  662.462820][T13992]  __might_resched.cold (kernel/sched/core.c:9234)
[  662.462824][T13992]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  662.462826][T13992]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  662.462829][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462832][T13992]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  662.462835][T13992]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.462838][T13992]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.462843][T13992]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  662.462845][T13992]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.462847][T13992]  put_chars (drivers/char/virtio_console.c:1176)
[  662.462849][T13992]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  662.462851][T13992]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  662.462854][T13992]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  662.462858][T13992]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  662.462860][T13992]  ? vsnprintf (lib/vsprintf.c:2900)
[  662.462863][T13992]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.462865][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462866][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462868][T13992]  console_emit_next_record (kernel/printk/printk.c:3183)
[  662.462871][T13992]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  662.462873][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462874][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462875][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462876][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.462878][T13992]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  662.462880][T13992]  console_flush_one_record (kernel/printk/printk.c:3268)
[  662.462883][T13992]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  662.462886][T13992]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  662.462888][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.462889][T13992]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  662.462891][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462892][T13992]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.462894][T13992]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  662.462895][T13992]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  662.462897][T13992]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  662.462899][T13992]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  662.462900][T13992]  vprintk_emit (kernel/printk/printk.c:2479)
[  662.462902][T13992]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  662.462903][T13992]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.462905][T13992]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  662.462908][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.462910][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462911][T13992]  _printk (kernel/printk/printk.c:2504)
[  662.462914][T13992]  ? snapshot_read.cold (user.c:?)
[  662.462916][T13992]  ? br_multicast_flood (??:?)
[  662.462920][T13992]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  662.462923][T13992]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  662.462924][T13992]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  662.462926][T13992]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  662.462929][T13992]  br_init_port (net/bridge/br_stp_if.c:39)
[  662.462930][T13992]  new_nbp (net/bridge/br_if.c:449)
[  662.462933][T13992]  br_add_if (net/bridge/br_if.c:592)
[  662.462935][T13992]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  662.462939][T13992]  do_set_master (net/core/rtnetlink.c:3071)
[  662.462941][T13992]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  662.462943][T13992]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  662.462944][T13992]  ? __dev_get_by_name (net/core/dev.c:905)
[  662.462946][T13992]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  662.462950][T13992]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  662.462953][T13992]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  662.462955][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462956][T13992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.462957][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.462959][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462961][T13992]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  662.462963][T13992]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  662.462965][T13992]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  662.462968][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462969][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.462971][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462972][T13992]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.462973][T13992]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  662.462975][T13992]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.462976][T13992]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  662.462978][T13992]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  662.462982][T13992]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  662.462985][T13992]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.462986][T13992]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.462988][T13992]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  662.462990][T13992]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  662.462993][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.462994][T13992]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.462996][T13992]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  662.462998][T13992]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  662.463000][T13992]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  662.463003][T13992]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  662.463006][T13992]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  662.463008][T13992]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  662.463011][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.463012][T13992]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  662.463016][T13992]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  662.463019][T13992]  ____sys_sendmsg (net/socket.c:2713)
[  662.463020][T13992]  ? copy_msghdr_from_user (net/socket.c:2650)
[  662.463022][T13992]  ? sock_write_iter (net/socket.c:1269)
[  662.463024][T13992]  ? move_addr_to_kernel (net/socket.c:258)
[  662.463026][T13992]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  662.463029][T13992]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.463031][T13992]  ___sys_sendmsg (net/socket.c:2767)
[  662.463032][T13992]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  662.463034][T13992]  ? copy_msghdr_from_user (net/socket.c:2619)
[  662.463036][T13992]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  662.463041][T13992]  __sys_sendmsg (net/socket.c:2799)
[  662.463043][T13992]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  662.463046][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.463047][T13992]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.463048][T13992]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  662.463051][T13992]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  662.463053][T13992]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  662.463055][T13992] RIP: 0033:0x7fddba44f54e
[  662.463057][T13992] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  662.463059][T13992] RSP: 002b:00007fffe787c740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  662.463063][T13992] RAX: ffffffffffffffda RBX: 00007fffe787cf08 RCX: 00007fddba44f54e
[  662.463064][T13992] RDX: 0000000000000000 RSI: 00007fffe787c7f0 RDI: 0000000000000005
[  662.463065][T13992] RBP: 00007fffe787c750 R08: 0000000000000000 R09: 0000000000000000
[  662.463066][T13992] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91125b
[  662.463067][T13992] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe787cec0
| [  668.479203][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  668.479206][   T12] Preemption disabled at:
| [  668.479207][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  668.479217][   T12] Tainted: [W]=WARN
[  668.479218][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  668.479220][   T12] Workqueue: netns cleanup_net
[  668.479225][   T12] Call Trace:
[  668.479227][   T12]  <TASK>
[  668.479229][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  668.479234][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  668.479235][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  668.479239][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  668.479241][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  668.479244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479247][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  668.479250][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.479252][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.479257][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  668.479259][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  668.479262][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  668.479263][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  668.479265][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  668.479267][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  668.479272][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  668.479274][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  668.479276][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.479278][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479279][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479280][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  668.479283][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  668.479285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479288][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.479290][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  668.479292][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  668.479295][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  668.479297][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  668.479299][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.479301][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  668.479302][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479303][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  668.479305][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  668.479306][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  668.479308][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  668.479310][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  668.479311][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  668.479313][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  668.479314][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  668.479316][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  668.479318][   T12]  ? kthread (kernel/kthread.c:436)
[  668.479321][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  668.479324][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  668.479326][   T12]  _printk (kernel/printk/printk.c:2504)
[  668.479329][   T12]  ? snapshot_read.cold (user.c:?)
[  668.479331][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  668.479335][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  668.479337][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  668.479339][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  668.479341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479342][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  668.479344][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  668.479347][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  668.479348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  668.479350][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  668.479352][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  668.479355][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  668.479359][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  668.479361][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  668.479363][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  668.479365][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  668.479367][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  668.479370][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  668.479372][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  668.479374][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  668.479376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  668.479377][   T12]  process_one_work (kernel/workqueue.c:3387)
[  668.479380][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  668.479383][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  668.479385][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  668.479388][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  668.479390][   T12]  kthread (kernel/kthread.c:436)
[  668.479391][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  668.479393][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  668.479395][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  668.479397][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  668.479399][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  668.479401][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  668.479403][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  669.671472][T14126] softirqs last disabled at (0): 0x0
| [  669.671474][T14126] Preemption disabled at:
| [  669.671475][T14126] vprintk_emit (kernel/printk/printk.c:2471)
| [  669.671485][T14126] Tainted: [W]=WARN
[  669.671486][T14126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  669.671488][T14126] Call Trace:
[  669.671489][T14126]  <TASK>
[  669.671491][T14126]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  669.671499][T14126]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  669.671500][T14126]  __might_resched.cold (kernel/sched/core.c:9234)
[  669.671504][T14126]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  669.671506][T14126]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  669.671510][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671512][T14126]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  669.671515][T14126]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.671518][T14126]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.671523][T14126]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  669.671525][T14126]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  669.671528][T14126]  put_chars (drivers/char/virtio_console.c:1176)
[  669.671530][T14126]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  669.671532][T14126]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  669.671534][T14126]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  669.671539][T14126]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  669.671541][T14126]  ? vsnprintf (lib/vsprintf.c:2900)
[  669.671544][T14126]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.671546][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671547][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671548][T14126]  console_emit_next_record (kernel/printk/printk.c:3183)
[  669.671551][T14126]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  669.671554][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671555][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671556][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671557][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671559][T14126]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  669.671561][T14126]  console_flush_one_record (kernel/printk/printk.c:3268)
[  669.671563][T14126]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  669.671566][T14126]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  669.671568][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671570][T14126]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  669.671572][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671573][T14126]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.671575][T14126]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  669.671576][T14126]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  669.671578][T14126]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  669.671580][T14126]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  669.671581][T14126]  vprintk_emit (kernel/printk/printk.c:2479)
[  669.671583][T14126]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  669.671585][T14126]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  669.671586][T14126]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  669.671589][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671591][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671592][T14126]  _printk (kernel/printk/printk.c:2504)
[  669.671596][T14126]  ? snapshot_read.cold (user.c:?)
[  669.671598][T14126]  ? br_multicast_flood (??:?)
[  669.671601][T14126]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  669.671604][T14126]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  669.671605][T14126]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.671607][T14126]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  669.671610][T14126]  br_init_port (net/bridge/br_stp_if.c:39)
[  669.671612][T14126]  new_nbp (net/bridge/br_if.c:449)
[  669.671614][T14126]  br_add_if (net/bridge/br_if.c:592)
[  669.671616][T14126]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  669.671621][T14126]  do_set_master (net/core/rtnetlink.c:3071)
[  669.671622][T14126]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  669.671624][T14126]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  669.671626][T14126]  ? __dev_get_by_name (net/core/dev.c:905)
[  669.671627][T14126]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  669.671631][T14126]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  669.671634][T14126]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  669.671636][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671637][T14126]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.671639][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671640][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671642][T14126]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  669.671644][T14126]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  669.671646][T14126]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  669.671649][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671650][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671652][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671653][T14126]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  669.671654][T14126]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  669.671656][T14126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.671657][T14126]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  669.671659][T14126]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  669.671663][T14126]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  669.671666][T14126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  669.671667][T14126]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.671669][T14126]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  669.671671][T14126]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  669.671674][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671675][T14126]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  669.671677][T14126]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  669.671680][T14126]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  669.671682][T14126]  ? next_uptodate_folio (mm/filemap.c:3747)
[  669.671685][T14126]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  669.671687][T14126]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  669.671689][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671691][T14126]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  669.671694][T14126]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  669.671697][T14126]  ____sys_sendmsg (net/socket.c:2713)
[  669.671699][T14126]  ? copy_msghdr_from_user (net/socket.c:2650)
[  669.671701][T14126]  ? sock_write_iter (net/socket.c:1269)
[  669.671702][T14126]  ? move_addr_to_kernel (net/socket.c:258)
[  669.671705][T14126]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  669.671707][T14126]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  669.671710][T14126]  ___sys_sendmsg (net/socket.c:2767)
[  669.671711][T14126]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  669.671713][T14126]  ? copy_msghdr_from_user (net/socket.c:2619)
[  669.671715][T14126]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  669.671720][T14126]  __sys_sendmsg (net/socket.c:2799)
[  669.671722][T14126]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  669.671725][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671726][T14126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  669.671727][T14126]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  669.671730][T14126]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  669.671732][T14126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  669.671734][T14126] RIP: 0033:0x7fae5e06a54e
[  669.671736][T14126] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  669.671738][T14126] RSP: 002b:00007fff2e8d5c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  669.671742][T14126] RAX: ffffffffffffffda RBX: 00007fff2e8d6448 RCX: 00007fae5e06a54e
[  669.671743][T14126] RDX: 0000000000000000 RSI: 00007fff2e8d5d30 RDI: 0000000000000005
[  669.671744][T14126] RBP: 00007fff2e8d5c90 R08: 0000000000000000 R09: 0000000000000000
[  669.671745][T14126] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911263
[  669.671746][T14126] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2e8d6400
| [  671.049627][T14196] softirqs last disabled at (0): 0x0
| [  671.049629][T14196] Preemption disabled at:
| [  671.049630][T14196] vprintk_emit (kernel/printk/printk.c:2471)
| [  671.049639][T14196] Tainted: [W]=WARN
[  671.049640][T14196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  671.049642][T14196] Call Trace:
[  671.049644][T14196]  <TASK>
[  671.049645][T14196]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  671.049650][T14196]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  671.049652][T14196]  __might_resched.cold (kernel/sched/core.c:9234)
[  671.049656][T14196]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  671.049659][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049662][T14196]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  671.049665][T14196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  671.049668][T14196]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  671.049672][T14196]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  671.049674][T14196]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  671.049677][T14196]  put_chars (drivers/char/virtio_console.c:1176)
[  671.049679][T14196]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  671.049680][T14196]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  671.049682][T14196]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  671.049684][T14196]  ? pointer (lib/vsprintf.c:2577)
[  671.049688][T14196]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  671.049693][T14196]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  671.049694][T14196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  671.049697][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049699][T14196]  console_emit_next_record (kernel/printk/printk.c:3183)
[  671.049702][T14196]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  671.049704][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049705][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049706][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049708][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049710][T14196]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  671.049712][T14196]  console_flush_one_record (kernel/printk/printk.c:3268)
[  671.049714][T14196]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  671.049717][T14196]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  671.049719][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049721][T14196]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  671.049722][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049723][T14196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  671.049725][T14196]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  671.049727][T14196]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  671.049728][T14196]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  671.049730][T14196]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  671.049732][T14196]  vprintk_emit (kernel/printk/printk.c:2479)
[  671.049734][T14196]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  671.049735][T14196]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  671.049738][T14196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  671.049741][T14196]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  671.049743][T14196]  _printk (kernel/printk/printk.c:2504)
[  671.049746][T14196]  ? snapshot_read.cold (user.c:?)
[  671.049748][T14196]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  671.049751][T14196]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  671.049754][T14196]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  671.049756][T14196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  671.049759][T14196]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  671.049761][T14196]  ? netdev_notice (net/core/dev.c:13194)
[  671.049764][T14196]  ? 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)
[  671.049765][T14196]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  671.049768][T14196]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  671.049770][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049771][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049772][T14196]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  671.049773][T14196]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  671.049775][T14196]  ? 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)
[  671.049776][T14196]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  671.049778][T14196]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  671.049779][T14196]  ? register_netdev (net/core/dev.c:11618)
[  671.049781][T14196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  671.049783][T14196]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  671.049786][T14196]  ? __kernel_text_address (kernel/extable.c:79)
[  671.049788][T14196]  ? write_profile (profile.c:?)
[  671.049791][T14196]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  671.049795][T14196]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  671.049797][T14196]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  671.049798][T14196]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  671.049799][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049801][T14196]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  671.049804][T14196]  ? kasan_save_stack (mm/kasan/common.c:58)
[  671.049806][T14196]  ? kasan_save_stack (mm/kasan/common.c:57)
[  671.049807][T14196]  ? kasan_save_track (mm/kasan/common.c:78)
[  671.049808][T14196]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  671.049809][T14196]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  671.049811][T14196]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  671.049812][T14196]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  671.049813][T14196]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  671.049816][T14196]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  671.049818][T14196]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  671.049819][T14196]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  671.049822][T14196]  ? ____sys_sendmsg (net/socket.c:2713)
[  671.049824][T14196]  ? ___sys_sendmsg (net/socket.c:2767)
[  671.049825][T14196]  ? __sys_sendmsg (net/socket.c:2799)
[  671.049827][T14196]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  671.049829][T14196]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  671.049832][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049833][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049835][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049836][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049837][T14196]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  671.049839][T14196]  ? __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)
[  671.049840][T14196]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  671.049841][T14196]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  671.049843][T14196]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  671.049844][T14196]  ? nla_get_range_signed (lib/nlattr.c:270)
[  671.049847][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049849][T14196]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  671.049851][T14196]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  671.049853][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049854][T14196]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  671.049855][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049857][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049859][T14196]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  671.049861][T14196]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  671.049862][T14196]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  671.049864][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049865][T14196]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  671.049868][T14196]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  671.049871][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049872][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049873][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049875][T14196]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  671.049876][T14196]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  671.049878][T14196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  671.049879][T14196]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  671.049881][T14196]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  671.049883][T14196]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  671.049885][T14196]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  671.049887][T14196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  671.049888][T14196]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  671.049890][T14196]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  671.049893][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049895][T14196]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  671.049897][T14196]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  671.049899][T14196]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  671.049901][T14196]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  671.049903][T14196]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  671.049905][T14196]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  671.049907][T14196]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  671.049909][T14196]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.049910][T14196]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  671.049914][T14196]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  671.049915][T14196]  ____sys_sendmsg (net/socket.c:2713)
[  671.049917][T14196]  ? copy_msghdr_from_user (net/socket.c:2650)
[  671.049919][T14196]  ? sock_write_iter (net/socket.c:1269)
[  671.049920][T14196]  ? move_addr_to_kernel (net/socket.c:258)
[  671.049922][T14196]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  671.049925][T14196]  ___sys_sendmsg (net/socket.c:2767)
[  671.049927][T14196]  ? copy_msghdr_from_user (net/socket.c:2619)
[  671.049932][T14196]  __sys_sendmsg (net/socket.c:2799)
[  671.049934][T14196]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  671.049937][T14196]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.049938][T14196]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  671.049940][T14196]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  671.049942][T14196]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  671.049943][T14196] RIP: 0033:0x7f870051a54e
[  671.049945][T14196] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  671.049947][T14196] RSP: 002b:00007ffc882240a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  671.049951][T14196] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f870051a54e
[  671.049952][T14196] RDX: 0000000000000000 RSI: 00007ffc88224150 RDI: 0000000000000005
[  671.049953][T14196] RBP: 00007ffc882240b0 R08: 0000000000000000 R09: 0000000000000000
[  671.049954][T14196] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911264
[  671.049955][T14196] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88224810
| [  672.133100][T14246] softirqs last disabled at (0): 0x0
| [  672.133102][T14246] Preemption disabled at:
| [  672.133102][T14246] vprintk_emit (kernel/printk/printk.c:2471)
| [  672.133113][T14246] Tainted: [W]=WARN
[  672.133113][T14246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  672.133115][T14246] Call Trace:
[  672.133117][T14246]  <TASK>
[  672.133118][T14246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  672.133124][T14246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  672.133125][T14246]  __might_resched.cold (kernel/sched/core.c:9234)
[  672.133129][T14246]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  672.133131][T14246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  672.133134][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133137][T14246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  672.133140][T14246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  672.133143][T14246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  672.133148][T14246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  672.133150][T14246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  672.133153][T14246]  put_chars (drivers/char/virtio_console.c:1176)
[  672.133155][T14246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  672.133156][T14246]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  672.133159][T14246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  672.133163][T14246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  672.133165][T14246]  ? vsnprintf (lib/vsprintf.c:2900)
[  672.133168][T14246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  672.133170][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133171][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133177][T14246]  console_emit_next_record (kernel/printk/printk.c:3183)
[  672.133179][T14246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  672.133181][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133182][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133183][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133185][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133187][T14246]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  672.133189][T14246]  console_flush_one_record (kernel/printk/printk.c:3268)
[  672.133191][T14246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  672.133194][T14246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  672.133196][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133197][T14246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  672.133199][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133200][T14246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.133202][T14246]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  672.133203][T14246]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  672.133205][T14246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  672.133207][T14246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  672.133208][T14246]  vprintk_emit (kernel/printk/printk.c:2479)
[  672.133210][T14246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  672.133211][T14246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  672.133213][T14246]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  672.133216][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133217][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133219][T14246]  _printk (kernel/printk/printk.c:2504)
[  672.133222][T14246]  ? snapshot_read.cold (user.c:?)
[  672.133224][T14246]  ? br_multicast_flood (??:?)
[  672.133227][T14246]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  672.133230][T14246]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  672.133231][T14246]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  672.133233][T14246]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  672.133236][T14246]  br_init_port (net/bridge/br_stp_if.c:39)
[  672.133238][T14246]  new_nbp (net/bridge/br_if.c:449)
[  672.133240][T14246]  br_add_if (net/bridge/br_if.c:592)
[  672.133242][T14246]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  672.133246][T14246]  do_set_master (net/core/rtnetlink.c:3071)
[  672.133248][T14246]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  672.133250][T14246]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  672.133251][T14246]  ? __dev_get_by_name (net/core/dev.c:905)
[  672.133253][T14246]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  672.133257][T14246]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  672.133259][T14246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  672.133261][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133262][T14246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  672.133264][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133265][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133267][T14246]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  672.133269][T14246]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  672.133271][T14246]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  672.133273][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133274][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133276][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133277][T14246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  672.133278][T14246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  672.133280][T14246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  672.133281][T14246]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  672.133283][T14246]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  672.133287][T14246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  672.133290][T14246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  672.133291][T14246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.133293][T14246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  672.133294][T14246]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  672.133297][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133298][T14246]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.133300][T14246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  672.133302][T14246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  672.133304][T14246]  ? next_uptodate_folio (mm/filemap.c:3747)
[  672.133307][T14246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  672.133309][T14246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  672.133311][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133313][T14246]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  672.133316][T14246]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  672.133319][T14246]  ____sys_sendmsg (net/socket.c:2713)
[  672.133321][T14246]  ? copy_msghdr_from_user (net/socket.c:2650)
[  672.133323][T14246]  ? sock_write_iter (net/socket.c:1269)
[  672.133324][T14246]  ? move_addr_to_kernel (net/socket.c:258)
[  672.133326][T14246]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  672.133329][T14246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.133331][T14246]  ___sys_sendmsg (net/socket.c:2767)
[  672.133332][T14246]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  672.133334][T14246]  ? copy_msghdr_from_user (net/socket.c:2619)
[  672.133336][T14246]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  672.133340][T14246]  __sys_sendmsg (net/socket.c:2799)
[  672.133342][T14246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  672.133345][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133346][T14246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.133347][T14246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  672.133350][T14246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  672.133352][T14246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  672.133354][T14246] RIP: 0033:0x7ff26fd6b54e
[  672.133356][T14246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  672.133357][T14246] RSP: 002b:00007ffd7e89b4c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  672.133361][T14246] RAX: ffffffffffffffda RBX: 00007ffd7e89bc88 RCX: 00007ff26fd6b54e
[  672.133362][T14246] RDX: 0000000000000000 RSI: 00007ffd7e89b570 RDI: 0000000000000005
[  672.133363][T14246] RBP: 00007ffd7e89b4d0 R08: 0000000000000000 R09: 0000000000000000
[  672.133364][T14246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911265
[  672.133365][T14246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7e89bc40
| [  678.167557][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  678.167560][   T12] Preemption disabled at:
| [  678.167560][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  678.167571][   T12] Tainted: [W]=WARN
[  678.167572][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  678.167573][   T12] Workqueue: netns cleanup_net
[  678.167579][   T12] Call Trace:
[  678.167581][   T12]  <TASK>
[  678.167582][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  678.167588][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  678.167589][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  678.167593][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  678.167595][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  678.167599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167602][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  678.167605][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.167608][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.167613][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  678.167614][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  678.167617][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  678.167619][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  678.167621][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  678.167623][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  678.167628][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  678.167630][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  678.167632][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.167634][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167635][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167637][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  678.167640][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  678.167642][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167645][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.167648][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  678.167650][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  678.167652][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  678.167655][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  678.167657][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.167659][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  678.167661][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167662][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  678.167663][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  678.167665][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  678.167666][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  678.167668][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  678.167670][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  678.167671][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  678.167673][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  678.167674][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  678.167677][   T12]  ? kthread (kernel/kthread.c:436)
[  678.167679][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  678.167682][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  678.167685][   T12]  _printk (kernel/printk/printk.c:2504)
[  678.167688][   T12]  ? snapshot_read.cold (user.c:?)
[  678.167690][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  678.167694][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  678.167696][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  678.167698][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  678.167700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167702][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  678.167703][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  678.167706][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  678.167708][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  678.167709][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  678.167712][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  678.167714][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  678.167719][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  678.167721][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  678.167723][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  678.167726][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  678.167728][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  678.167731][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  678.167732][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  678.167734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167736][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  678.167737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  678.167739][   T12]  process_one_work (kernel/workqueue.c:3387)
[  678.167742][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  678.167745][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  678.167747][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  678.167750][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  678.167752][   T12]  kthread (kernel/kthread.c:436)
[  678.167754][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  678.167756][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  678.167758][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  678.167759][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  678.167761][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  678.167765][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  678.167767][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  679.382406][T14385] softirqs last disabled at (0): 0x0
| [  679.382408][T14385] Preemption disabled at:
| [  679.382408][T14385] vprintk_emit (kernel/printk/printk.c:2471)
| [  679.382419][T14385] Tainted: [W]=WARN
[  679.382420][T14385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  679.382421][T14385] Call Trace:
[  679.382423][T14385]  <TASK>
[  679.382424][T14385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  679.382430][T14385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  679.382431][T14385]  __might_resched.cold (kernel/sched/core.c:9234)
[  679.382435][T14385]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  679.382437][T14385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  679.382441][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382443][T14385]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  679.382446][T14385]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.382449][T14385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.382454][T14385]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  679.382456][T14385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.382459][T14385]  put_chars (drivers/char/virtio_console.c:1176)
[  679.382461][T14385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  679.382462][T14385]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  679.382465][T14385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  679.382469][T14385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  679.382471][T14385]  ? vsnprintf (lib/vsprintf.c:2900)
[  679.382475][T14385]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.382476][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382477][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382479][T14385]  console_emit_next_record (kernel/printk/printk.c:3183)
[  679.382482][T14385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  679.382484][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382485][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382486][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382488][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382490][T14385]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  679.382492][T14385]  console_flush_one_record (kernel/printk/printk.c:3268)
[  679.382494][T14385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  679.382499][T14385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  679.382501][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382503][T14385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  679.382505][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382506][T14385]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.382508][T14385]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  679.382509][T14385]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  679.382511][T14385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  679.382512][T14385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  679.382514][T14385]  vprintk_emit (kernel/printk/printk.c:2479)
[  679.382516][T14385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  679.382517][T14385]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.382519][T14385]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  679.382521][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382523][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382524][T14385]  _printk (kernel/printk/printk.c:2504)
[  679.382527][T14385]  ? snapshot_read.cold (user.c:?)
[  679.382529][T14385]  ? br_multicast_flood (??:?)
[  679.382533][T14385]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  679.382536][T14385]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  679.382537][T14385]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.382539][T14385]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  679.382541][T14385]  br_init_port (net/bridge/br_stp_if.c:39)
[  679.382543][T14385]  new_nbp (net/bridge/br_if.c:449)
[  679.382546][T14385]  br_add_if (net/bridge/br_if.c:592)
[  679.382547][T14385]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  679.382552][T14385]  do_set_master (net/core/rtnetlink.c:3071)
[  679.382554][T14385]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  679.382556][T14385]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  679.382557][T14385]  ? __dev_get_by_name (net/core/dev.c:905)
[  679.382559][T14385]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  679.382563][T14385]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  679.382566][T14385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.382568][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382569][T14385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.382571][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382572][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382574][T14385]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  679.382576][T14385]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  679.382578][T14385]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  679.382580][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382582][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382583][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382584][T14385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.382586][T14385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  679.382587][T14385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.382589][T14385]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  679.382590][T14385]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  679.382594][T14385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  679.382598][T14385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.382599][T14385]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.382601][T14385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  679.382602][T14385]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  679.382606][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382607][T14385]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.382609][T14385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  679.382611][T14385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  679.382613][T14385]  ? next_uptodate_folio (mm/filemap.c:3747)
[  679.382616][T14385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  679.382619][T14385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  679.382621][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382622][T14385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  679.382626][T14385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  679.382629][T14385]  ____sys_sendmsg (net/socket.c:2713)
[  679.382630][T14385]  ? copy_msghdr_from_user (net/socket.c:2650)
[  679.382632][T14385]  ? sock_write_iter (net/socket.c:1269)
[  679.382634][T14385]  ? move_addr_to_kernel (net/socket.c:258)
[  679.382636][T14385]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  679.382639][T14385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.382641][T14385]  ___sys_sendmsg (net/socket.c:2767)
[  679.382642][T14385]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  679.382644][T14385]  ? copy_msghdr_from_user (net/socket.c:2619)
[  679.382646][T14385]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  679.382651][T14385]  __sys_sendmsg (net/socket.c:2799)
[  679.382653][T14385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  679.382655][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382657][T14385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.382658][T14385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  679.382661][T14385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  679.382663][T14385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  679.382665][T14385] RIP: 0033:0x7f299bdc354e
[  679.382667][T14385] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  679.382669][T14385] RSP: 002b:00007ffed47449a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  679.382672][T14385] RAX: ffffffffffffffda RBX: 00007ffed4745168 RCX: 00007f299bdc354e
[  679.382674][T14385] RDX: 0000000000000000 RSI: 00007ffed4744a50 RDI: 0000000000000005
[  679.382675][T14385] RBP: 00007ffed47449b0 R08: 0000000000000000 R09: 0000000000000000
[  679.382676][T14385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91126c
[  679.382677][T14385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed4745120
| [  680.763982][T14454] softirqs last disabled at (0): 0x0
| [  680.763983][T14454] Preemption disabled at:
| [  680.763984][T14454] vprintk_emit (kernel/printk/printk.c:2471)
| [  680.763995][T14454] Tainted: [W]=WARN
[  680.763996][T14454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  680.763998][T14454] Call Trace:
[  680.763999][T14454]  <TASK>
[  680.764001][T14454]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  680.764006][T14454]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  680.764007][T14454]  __might_resched.cold (kernel/sched/core.c:9234)
[  680.764012][T14454]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  680.764015][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764018][T14454]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  680.764021][T14454]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.764024][T14454]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  680.764029][T14454]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  680.764031][T14454]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  680.764034][T14454]  put_chars (drivers/char/virtio_console.c:1176)
[  680.764035][T14454]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  680.764037][T14454]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  680.764039][T14454]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  680.764041][T14454]  ? pointer (lib/vsprintf.c:2577)
[  680.764045][T14454]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  680.764049][T14454]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  680.764051][T14454]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.764053][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764056][T14454]  console_emit_next_record (kernel/printk/printk.c:3183)
[  680.764059][T14454]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  680.764061][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764062][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764063][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764064][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764066][T14454]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  680.764068][T14454]  console_flush_one_record (kernel/printk/printk.c:3268)
[  680.764071][T14454]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  680.764073][T14454]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  680.764075][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764077][T14454]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  680.764079][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764080][T14454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.764081][T14454]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  680.764083][T14454]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  680.764085][T14454]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  680.764086][T14454]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  680.764088][T14454]  vprintk_emit (kernel/printk/printk.c:2479)
[  680.764090][T14454]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  680.764091][T14454]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  680.764093][T14454]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  680.764096][T14454]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  680.764099][T14454]  _printk (kernel/printk/printk.c:2504)
[  680.764102][T14454]  ? snapshot_read.cold (user.c:?)
[  680.764104][T14454]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  680.764106][T14454]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  680.764109][T14454]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  680.764111][T14454]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  680.764115][T14454]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  680.764117][T14454]  ? netdev_notice (net/core/dev.c:13194)
[  680.764119][T14454]  ? 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)
[  680.764121][T14454]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  680.764123][T14454]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  680.764125][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764126][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764127][T14454]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  680.764129][T14454]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  680.764131][T14454]  ? 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)
[  680.764132][T14454]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  680.764133][T14454]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  680.764135][T14454]  ? register_netdev (net/core/dev.c:11618)
[  680.764137][T14454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.764139][T14454]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  680.764141][T14454]  ? __kernel_text_address (kernel/extable.c:79)
[  680.764144][T14454]  ? write_profile (profile.c:?)
[  680.764147][T14454]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  680.764151][T14454]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  680.764153][T14454]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  680.764154][T14454]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  680.764155][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764157][T14454]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  680.764160][T14454]  ? kasan_save_stack (mm/kasan/common.c:58)
[  680.764162][T14454]  ? kasan_save_stack (mm/kasan/common.c:57)
[  680.764163][T14454]  ? kasan_save_track (mm/kasan/common.c:78)
[  680.764164][T14454]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  680.764165][T14454]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  680.764166][T14454]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  680.764168][T14454]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  680.764169][T14454]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  680.764172][T14454]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  680.764174][T14454]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  680.764175][T14454]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  680.764178][T14454]  ? ____sys_sendmsg (net/socket.c:2713)
[  680.764179][T14454]  ? ___sys_sendmsg (net/socket.c:2767)
[  680.764181][T14454]  ? __sys_sendmsg (net/socket.c:2799)
[  680.764183][T14454]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  680.764185][T14454]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  680.764188][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764189][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764191][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764192][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764193][T14454]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  680.764194][T14454]  ? __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)
[  680.764195][T14454]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  680.764197][T14454]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  680.764198][T14454]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  680.764199][T14454]  ? nla_get_range_signed (lib/nlattr.c:270)
[  680.764203][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764209][T14454]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  680.764211][T14454]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  680.764213][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764214][T14454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  680.764216][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764217][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764219][T14454]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  680.764221][T14454]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  680.764222][T14454]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  680.764224][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764225][T14454]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  680.764228][T14454]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  680.764231][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764232][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764233][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764235][T14454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  680.764236][T14454]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  680.764238][T14454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  680.764239][T14454]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  680.764241][T14454]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  680.764243][T14454]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  680.764245][T14454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  680.764247][T14454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.764248][T14454]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  680.764250][T14454]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  680.764253][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764254][T14454]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  680.764256][T14454]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  680.764259][T14454]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  680.764261][T14454]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  680.764263][T14454]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  680.764265][T14454]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  680.764266][T14454]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  680.764268][T14454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  680.764270][T14454]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  680.764273][T14454]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  680.764275][T14454]  ____sys_sendmsg (net/socket.c:2713)
[  680.764277][T14454]  ? copy_msghdr_from_user (net/socket.c:2650)
[  680.764278][T14454]  ? sock_write_iter (net/socket.c:1269)
[  680.764280][T14454]  ? move_addr_to_kernel (net/socket.c:258)
[  680.764282][T14454]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  680.764284][T14454]  ___sys_sendmsg (net/socket.c:2767)
[  680.764286][T14454]  ? copy_msghdr_from_user (net/socket.c:2619)
[  680.764291][T14454]  __sys_sendmsg (net/socket.c:2799)
[  680.764293][T14454]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  680.764296][T14454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  680.764298][T14454]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  680.764299][T14454]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  680.764301][T14454]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  680.764303][T14454] RIP: 0033:0x7f25771e154e
[  680.764305][T14454] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  680.764307][T14454] RSP: 002b:00007ffec7750c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  680.764310][T14454] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f25771e154e
[  680.764312][T14454] RDX: 0000000000000000 RSI: 00007ffec7750d00 RDI: 0000000000000005
[  680.764313][T14454] RBP: 00007ffec7750c60 R08: 0000000000000000 R09: 0000000000000000
[  680.764314][T14454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91126e
[  680.764315][T14454] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec77513c0
| [  681.872144][T14504] softirqs last disabled at (0): 0x0
| [  681.872146][T14504] Preemption disabled at:
| [  681.872147][T14504] vprintk_emit (kernel/printk/printk.c:2471)
| [  681.872157][T14504] Tainted: [W]=WARN
[  681.872158][T14504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  681.872160][T14504] Call Trace:
[  681.872162][T14504]  <TASK>
[  681.872163][T14504]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  681.872169][T14504]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  681.872170][T14504]  __might_resched.cold (kernel/sched/core.c:9234)
[  681.872174][T14504]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  681.872176][T14504]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  681.872180][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872182][T14504]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  681.872185][T14504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.872189][T14504]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  681.872194][T14504]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  681.872196][T14504]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  681.872199][T14504]  put_chars (drivers/char/virtio_console.c:1176)
[  681.872201][T14504]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  681.872203][T14504]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  681.872205][T14504]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  681.872214][T14504]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  681.872216][T14504]  ? vsnprintf (lib/vsprintf.c:2900)
[  681.872219][T14504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.872221][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872222][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872224][T14504]  console_emit_next_record (kernel/printk/printk.c:3183)
[  681.872227][T14504]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  681.872229][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872230][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872231][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872232][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872235][T14504]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  681.872237][T14504]  console_flush_one_record (kernel/printk/printk.c:3268)
[  681.872239][T14504]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  681.872242][T14504]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  681.872244][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872246][T14504]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  681.872248][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872249][T14504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.872251][T14504]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  681.872252][T14504]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  681.872254][T14504]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  681.872256][T14504]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  681.872258][T14504]  vprintk_emit (kernel/printk/printk.c:2479)
[  681.872260][T14504]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  681.872261][T14504]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  681.872263][T14504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  681.872266][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872268][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872269][T14504]  _printk (kernel/printk/printk.c:2504)
[  681.872272][T14504]  ? snapshot_read.cold (user.c:?)
[  681.872275][T14504]  ? br_multicast_flood (??:?)
[  681.872278][T14504]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  681.872281][T14504]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  681.872282][T14504]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  681.872284][T14504]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  681.872287][T14504]  br_init_port (net/bridge/br_stp_if.c:39)
[  681.872289][T14504]  new_nbp (net/bridge/br_if.c:449)
[  681.872291][T14504]  br_add_if (net/bridge/br_if.c:592)
[  681.872293][T14504]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  681.872297][T14504]  do_set_master (net/core/rtnetlink.c:3071)
[  681.872299][T14504]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  681.872301][T14504]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  681.872303][T14504]  ? __dev_get_by_name (net/core/dev.c:905)
[  681.872304][T14504]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  681.872308][T14504]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  681.872311][T14504]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  681.872313][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872315][T14504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  681.872316][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872318][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872319][T14504]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  681.872322][T14504]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  681.872323][T14504]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  681.872326][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872327][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872329][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872330][T14504]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  681.872332][T14504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  681.872334][T14504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  681.872335][T14504]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  681.872336][T14504]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  681.872341][T14504]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  681.872344][T14504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  681.872345][T14504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.872347][T14504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  681.872348][T14504]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  681.872352][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872353][T14504]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  681.872355][T14504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  681.872357][T14504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  681.872359][T14504]  ? next_uptodate_folio (mm/filemap.c:3747)
[  681.872362][T14504]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  681.872365][T14504]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  681.872367][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872368][T14504]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  681.872372][T14504]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  681.872375][T14504]  ____sys_sendmsg (net/socket.c:2713)
[  681.872377][T14504]  ? copy_msghdr_from_user (net/socket.c:2650)
[  681.872378][T14504]  ? sock_write_iter (net/socket.c:1269)
[  681.872380][T14504]  ? move_addr_to_kernel (net/socket.c:258)
[  681.872382][T14504]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  681.872385][T14504]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  681.872387][T14504]  ___sys_sendmsg (net/socket.c:2767)
[  681.872388][T14504]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  681.872390][T14504]  ? copy_msghdr_from_user (net/socket.c:2619)
[  681.872392][T14504]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  681.872397][T14504]  __sys_sendmsg (net/socket.c:2799)
[  681.872399][T14504]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  681.872402][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872403][T14504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  681.872405][T14504]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  681.872407][T14504]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  681.872409][T14504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  681.872411][T14504] RIP: 0033:0x7fa0625d954e
[  681.872413][T14504] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  681.872415][T14504] RSP: 002b:00007fffaeb40790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  681.872419][T14504] RAX: ffffffffffffffda RBX: 00007fffaeb40f58 RCX: 00007fa0625d954e
[  681.872421][T14504] RDX: 0000000000000000 RSI: 00007fffaeb40840 RDI: 0000000000000005
[  681.872422][T14504] RBP: 00007fffaeb407a0 R08: 0000000000000000 R09: 0000000000000000
[  681.872423][T14504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91126f
[  681.872424][T14504] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaeb40f10
| [  687.908587][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  687.908590][   T12] Preemption disabled at:
| [  687.908591][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  687.908601][   T12] Tainted: [W]=WARN
[  687.908602][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  687.908604][   T12] Workqueue: netns cleanup_net
[  687.908609][   T12] Call Trace:
[  687.908610][   T12]  <TASK>
[  687.908612][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  687.908617][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  687.908619][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  687.908622][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  687.908624][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  687.908627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908630][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  687.908632][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.908636][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.908640][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  687.908642][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.908645][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  687.908646][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  687.908648][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  687.908651][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  687.908655][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  687.908657][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  687.908659][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.908661][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908664][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  687.908667][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  687.908669][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908671][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908672][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.908674][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  687.908676][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  687.908678][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  687.908681][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  687.908683][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.908685][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  687.908686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908687][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.908689][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  687.908690][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  687.908692][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  687.908694][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  687.908695][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  687.908697][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  687.908698][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  687.908700][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  687.908702][   T12]  ? kthread (kernel/kthread.c:436)
[  687.908704][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  687.908707][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  687.908710][   T12]  _printk (kernel/printk/printk.c:2504)
[  687.908712][   T12]  ? snapshot_read.cold (user.c:?)
[  687.908715][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  687.908718][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  687.908720][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  687.908723][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  687.908725][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908726][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  687.908727][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  687.908730][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  687.908732][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  687.908733][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  687.908736][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  687.908738][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  687.908742][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  687.908744][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  687.908747][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  687.908749][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  687.908751][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  687.908754][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  687.908755][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  687.908757][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.908759][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.908761][   T12]  process_one_work (kernel/workqueue.c:3387)
[  687.908764][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  687.908766][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.908769][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  687.908771][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  687.908773][   T12]  kthread (kernel/kthread.c:436)
[  687.908775][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  687.908777][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  687.908779][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  687.908780][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  687.908782][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  687.908785][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  687.908787][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  689.056651][T14642] softirqs last disabled at (0): 0x0
| [  689.056652][T14642] Preemption disabled at:
| [  689.056653][T14642] vprintk_emit (kernel/printk/printk.c:2471)
| [  689.056663][T14642] Tainted: [W]=WARN
[  689.056664][T14642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  689.056665][T14642] Call Trace:
[  689.056667][T14642]  <TASK>
[  689.056668][T14642]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  689.056674][T14642]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  689.056675][T14642]  __might_resched.cold (kernel/sched/core.c:9234)
[  689.056679][T14642]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  689.056681][T14642]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  689.056684][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056687][T14642]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  689.056689][T14642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.056692][T14642]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.056697][T14642]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  689.056699][T14642]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.056701][T14642]  put_chars (drivers/char/virtio_console.c:1176)
[  689.056703][T14642]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  689.056705][T14642]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  689.056707][T14642]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  689.056712][T14642]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  689.056714][T14642]  ? vsnprintf (lib/vsprintf.c:2900)
[  689.056717][T14642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.056719][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056720][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056721][T14642]  console_emit_next_record (kernel/printk/printk.c:3183)
[  689.056724][T14642]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  689.056726][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056727][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056728][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056729][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056732][T14642]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  689.056734][T14642]  console_flush_one_record (kernel/printk/printk.c:3268)
[  689.056736][T14642]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  689.056739][T14642]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  689.056740][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056742][T14642]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  689.056744][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056745][T14642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.056746][T14642]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  689.056748][T14642]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  689.056749][T14642]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  689.056751][T14642]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  689.056752][T14642]  vprintk_emit (kernel/printk/printk.c:2479)
[  689.056754][T14642]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  689.056755][T14642]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.056757][T14642]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.056760][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056762][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056763][T14642]  _printk (kernel/printk/printk.c:2504)
[  689.056766][T14642]  ? snapshot_read.cold (user.c:?)
[  689.056768][T14642]  ? br_multicast_flood (??:?)
[  689.056771][T14642]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  689.056774][T14642]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  689.056775][T14642]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.056777][T14642]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  689.056780][T14642]  br_init_port (net/bridge/br_stp_if.c:39)
[  689.056782][T14642]  new_nbp (net/bridge/br_if.c:449)
[  689.056784][T14642]  br_add_if (net/bridge/br_if.c:592)
[  689.056785][T14642]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  689.056790][T14642]  do_set_master (net/core/rtnetlink.c:3071)
[  689.056792][T14642]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  689.056793][T14642]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  689.056795][T14642]  ? __dev_get_by_name (net/core/dev.c:905)
[  689.056796][T14642]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  689.056800][T14642]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  689.056803][T14642]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.056805][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056806][T14642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.056807][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056809][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056810][T14642]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  689.056813][T14642]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  689.056815][T14642]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  689.056817][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056818][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056820][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056821][T14642]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.056822][T14642]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  689.056824][T14642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.056825][T14642]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.056827][T14642]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  689.056830][T14642]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  689.056833][T14642]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.056835][T14642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.056836][T14642]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  689.056838][T14642]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  689.056841][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056842][T14642]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.056844][T14642]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  689.056846][T14642]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  689.056848][T14642]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  689.056851][T14642]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  689.056854][T14642]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  689.056856][T14642]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  689.056858][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056859][T14642]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  689.056863][T14642]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  689.056866][T14642]  ____sys_sendmsg (net/socket.c:2713)
[  689.056867][T14642]  ? copy_msghdr_from_user (net/socket.c:2650)
[  689.056869][T14642]  ? sock_write_iter (net/socket.c:1269)
[  689.056870][T14642]  ? move_addr_to_kernel (net/socket.c:258)
[  689.056873][T14642]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  689.056875][T14642]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.056877][T14642]  ___sys_sendmsg (net/socket.c:2767)
[  689.056879][T14642]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  689.056880][T14642]  ? copy_msghdr_from_user (net/socket.c:2619)
[  689.056882][T14642]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  689.056887][T14642]  __sys_sendmsg (net/socket.c:2799)
[  689.056889][T14642]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  689.056891][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056892][T14642]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.056894][T14642]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  689.056896][T14642]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  689.056898][T14642]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  689.056900][T14642] RIP: 0033:0x7fbd715e154e
[  689.056902][T14642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  689.056904][T14642] RSP: 002b:00007ffd8f3990f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  689.056908][T14642] RAX: ffffffffffffffda RBX: 00007ffd8f3998b8 RCX: 00007fbd715e154e
[  689.056909][T14642] RDX: 0000000000000000 RSI: 00007ffd8f3991a0 RDI: 0000000000000005
[  689.056910][T14642] RBP: 00007ffd8f399100 R08: 0000000000000000 R09: 0000000000000000
[  689.056911][T14642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911276
[  689.056912][T14642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8f399870
| [  690.350398][T14711] softirqs last disabled at (0): 0x0
| [  690.350400][T14711] Preemption disabled at:
| [  690.350400][T14711] vprintk_emit (kernel/printk/printk.c:2471)
| [  690.350411][T14711] Tainted: [W]=WARN
[  690.350411][T14711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  690.350413][T14711] Call Trace:
[  690.350415][T14711]  <TASK>
[  690.350416][T14711]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  690.350421][T14711]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  690.350423][T14711]  __might_resched.cold (kernel/sched/core.c:9234)
[  690.350427][T14711]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  690.350430][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350432][T14711]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  690.350435][T14711]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.350438][T14711]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.350443][T14711]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  690.350445][T14711]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.350447][T14711]  put_chars (drivers/char/virtio_console.c:1176)
[  690.350449][T14711]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  690.350450][T14711]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  690.350452][T14711]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  690.350454][T14711]  ? pointer (lib/vsprintf.c:2577)
[  690.350458][T14711]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  690.350463][T14711]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  690.350464][T14711]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.350466][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350469][T14711]  console_emit_next_record (kernel/printk/printk.c:3183)
[  690.350471][T14711]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  690.350473][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350474][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350476][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350477][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350479][T14711]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  690.350481][T14711]  console_flush_one_record (kernel/printk/printk.c:3268)
[  690.350483][T14711]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  690.350486][T14711]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  690.350487][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350489][T14711]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  690.350491][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350492][T14711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.350493][T14711]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  690.350495][T14711]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  690.350500][T14711]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  690.350501][T14711]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  690.350503][T14711]  vprintk_emit (kernel/printk/printk.c:2479)
[  690.350505][T14711]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  690.350506][T14711]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  690.350509][T14711]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  690.350512][T14711]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  690.350514][T14711]  _printk (kernel/printk/printk.c:2504)
[  690.350517][T14711]  ? snapshot_read.cold (user.c:?)
[  690.350519][T14711]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  690.350521][T14711]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  690.350524][T14711]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  690.350526][T14711]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  690.350530][T14711]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  690.350532][T14711]  ? netdev_notice (net/core/dev.c:13194)
[  690.350534][T14711]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  690.350536][T14711]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  690.350538][T14711]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.350540][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350541][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350542][T14711]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  690.350543][T14711]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  690.350545][T14711]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  690.350546][T14711]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  690.350548][T14711]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  690.350549][T14711]  ? register_netdev (net/core/dev.c:11618)
[  690.350551][T14711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.350553][T14711]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  690.350555][T14711]  ? __kernel_text_address (kernel/extable.c:79)
[  690.350558][T14711]  ? write_profile (profile.c:?)
[  690.350561][T14711]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  690.350564][T14711]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  690.350566][T14711]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  690.350568][T14711]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  690.350569][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350570][T14711]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  690.350573][T14711]  ? kasan_save_stack (mm/kasan/common.c:58)
[  690.350575][T14711]  ? kasan_save_stack (mm/kasan/common.c:57)
[  690.350576][T14711]  ? kasan_save_track (mm/kasan/common.c:78)
[  690.350577][T14711]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  690.350578][T14711]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  690.350579][T14711]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  690.350581][T14711]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  690.350582][T14711]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  690.350585][T14711]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  690.350586][T14711]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  690.350588][T14711]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  690.350590][T14711]  ? ____sys_sendmsg (net/socket.c:2713)
[  690.350592][T14711]  ? ___sys_sendmsg (net/socket.c:2767)
[  690.350593][T14711]  ? __sys_sendmsg (net/socket.c:2799)
[  690.350595][T14711]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  690.350597][T14711]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.350599][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350600][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350602][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350603][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350604][T14711]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  690.350605][T14711]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  690.350606][T14711]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  690.350608][T14711]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  690.350609][T14711]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  690.350610][T14711]  ? nla_get_range_signed (lib/nlattr.c:270)
[  690.350614][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350615][T14711]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  690.350617][T14711]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  690.350619][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350620][T14711]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  690.350621][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350623][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350624][T14711]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  690.350626][T14711]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  690.350627][T14711]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  690.350629][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350630][T14711]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  690.350633][T14711]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  690.350635][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350636][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350638][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350639][T14711]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  690.350640][T14711]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  690.350642][T14711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  690.350643][T14711]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  690.350645][T14711]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  690.350647][T14711]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  690.350649][T14711]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  690.350650][T14711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.350652][T14711]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  690.350654][T14711]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  690.350657][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350658][T14711]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.350660][T14711]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  690.350662][T14711]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  690.350664][T14711]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.350666][T14711]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  690.350668][T14711]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  690.350670][T14711]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  690.350671][T14711]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.350673][T14711]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  690.350676][T14711]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  690.350678][T14711]  ____sys_sendmsg (net/socket.c:2713)
[  690.350679][T14711]  ? copy_msghdr_from_user (net/socket.c:2650)
[  690.350681][T14711]  ? sock_write_iter (net/socket.c:1269)
[  690.350683][T14711]  ? move_addr_to_kernel (net/socket.c:258)
[  690.350684][T14711]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  690.350687][T14711]  ___sys_sendmsg (net/socket.c:2767)
[  690.350689][T14711]  ? copy_msghdr_from_user (net/socket.c:2619)
[  690.350693][T14711]  __sys_sendmsg (net/socket.c:2799)
[  690.350695][T14711]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  690.350698][T14711]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.350699][T14711]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  690.350701][T14711]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  690.350703][T14711]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.350704][T14711] RIP: 0033:0x7fca02af854e
[  690.350706][T14711] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  690.350708][T14711] RSP: 002b:00007ffcec535950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  690.350712][T14711] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fca02af854e
[  690.350713][T14711] RDX: 0000000000000000 RSI: 00007ffcec535a00 RDI: 0000000000000005
[  690.350714][T14711] RBP: 00007ffcec535960 R08: 0000000000000000 R09: 0000000000000000
[  690.350715][T14711] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911277
[  690.350715][T14711] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcec5360c0
| [  691.427465][T14768] softirqs last disabled at (0): 0x0
| [  691.427467][T14768] Preemption disabled at:
| [  691.427467][T14768] vprintk_emit (kernel/printk/printk.c:2471)
| [  691.427477][T14768] Tainted: [W]=WARN
[  691.427479][T14768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  691.427480][T14768] Call Trace:
[  691.427482][T14768]  <TASK>
[  691.427483][T14768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  691.427489][T14768]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  691.427490][T14768]  __might_resched.cold (kernel/sched/core.c:9234)
[  691.427493][T14768]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  691.427496][T14768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  691.427501][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427503][T14768]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  691.427506][T14768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  691.427509][T14768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  691.427514][T14768]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  691.427516][T14768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  691.427519][T14768]  put_chars (drivers/char/virtio_console.c:1176)
[  691.427521][T14768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  691.427522][T14768]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  691.427525][T14768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  691.427530][T14768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  691.427531][T14768]  ? vsnprintf (lib/vsprintf.c:2900)
[  691.427535][T14768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  691.427536][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427537][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427539][T14768]  console_emit_next_record (kernel/printk/printk.c:3183)
[  691.427542][T14768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  691.427544][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427545][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427546][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427547][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427549][T14768]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  691.427551][T14768]  console_flush_one_record (kernel/printk/printk.c:3268)
[  691.427554][T14768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  691.427556][T14768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  691.427558][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427560][T14768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  691.427562][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427563][T14768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  691.427564][T14768]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  691.427566][T14768]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  691.427567][T14768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  691.427569][T14768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  691.427571][T14768]  vprintk_emit (kernel/printk/printk.c:2479)
[  691.427572][T14768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  691.427574][T14768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  691.427575][T14768]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  691.427578][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427580][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427581][T14768]  _printk (kernel/printk/printk.c:2504)
[  691.427584][T14768]  ? snapshot_read.cold (user.c:?)
[  691.427586][T14768]  ? br_multicast_flood (??:?)
[  691.427589][T14768]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  691.427592][T14768]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  691.427593][T14768]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  691.427595][T14768]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  691.427598][T14768]  br_init_port (net/bridge/br_stp_if.c:39)
[  691.427600][T14768]  new_nbp (net/bridge/br_if.c:449)
[  691.427602][T14768]  br_add_if (net/bridge/br_if.c:592)
[  691.427604][T14768]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  691.427608][T14768]  do_set_master (net/core/rtnetlink.c:3071)
[  691.427610][T14768]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  691.427611][T14768]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  691.427613][T14768]  ? __dev_get_by_name (net/core/dev.c:905)
[  691.427615][T14768]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  691.427618][T14768]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  691.427621][T14768]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  691.427623][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427624][T14768]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  691.427625][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427627][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427628][T14768]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  691.427631][T14768]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  691.427633][T14768]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  691.427635][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427636][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427638][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427639][T14768]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  691.427640][T14768]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  691.427642][T14768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  691.427643][T14768]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  691.427645][T14768]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  691.427648][T14768]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  691.427651][T14768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  691.427653][T14768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  691.427654][T14768]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  691.427656][T14768]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  691.427659][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427660][T14768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  691.427662][T14768]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  691.427664][T14768]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  691.427666][T14768]  ? next_uptodate_folio (mm/filemap.c:3747)
[  691.427669][T14768]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  691.427672][T14768]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  691.427674][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427675][T14768]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  691.427679][T14768]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  691.427681][T14768]  ____sys_sendmsg (net/socket.c:2713)
[  691.427683][T14768]  ? copy_msghdr_from_user (net/socket.c:2650)
[  691.427685][T14768]  ? sock_write_iter (net/socket.c:1269)
[  691.427686][T14768]  ? move_addr_to_kernel (net/socket.c:258)
[  691.427688][T14768]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  691.427691][T14768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  691.427693][T14768]  ___sys_sendmsg (net/socket.c:2767)
[  691.427694][T14768]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  691.427696][T14768]  ? copy_msghdr_from_user (net/socket.c:2619)
[  691.427698][T14768]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  691.427702][T14768]  __sys_sendmsg (net/socket.c:2799)
[  691.427704][T14768]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  691.427707][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427708][T14768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  691.427710][T14768]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  691.427712][T14768]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  691.427714][T14768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  691.427716][T14768] RIP: 0033:0x7ff1d3d5054e
[  691.427718][T14768] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  691.427720][T14768] RSP: 002b:00007fffb602a500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  691.427724][T14768] RAX: ffffffffffffffda RBX: 00007fffb602acc8 RCX: 00007ff1d3d5054e
[  691.427725][T14768] RDX: 0000000000000000 RSI: 00007fffb602a5b0 RDI: 0000000000000005
[  691.427726][T14768] RBP: 00007fffb602a510 R08: 0000000000000000 R09: 0000000000000000
[  691.427727][T14768] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911278
[  691.427728][T14768] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb602ac80
| [  697.473023][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  697.473026][   T12] Preemption disabled at:
| [  697.473027][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  697.473036][   T12] Tainted: [W]=WARN
[  697.473038][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  697.473039][   T12] Workqueue: netns cleanup_net
[  697.473044][   T12] Call Trace:
[  697.473046][   T12]  <TASK>
[  697.473048][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  697.473053][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  697.473054][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  697.473057][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  697.473059][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  697.473063][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473066][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  697.473069][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  697.473072][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  697.473077][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  697.473078][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  697.473081][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  697.473083][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  697.473085][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  697.473087][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  697.473092][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  697.473093][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  697.473096][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  697.473097][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473100][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  697.473103][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  697.473105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473106][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473108][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.473110][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  697.473112][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  697.473115][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  697.473117][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  697.473119][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.473121][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  697.473122][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473123][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  697.473125][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  697.473126][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  697.473128][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  697.473130][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  697.473131][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  697.473133][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  697.473134][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  697.473135][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  697.473138][   T12]  ? kthread (kernel/kthread.c:436)
[  697.473140][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  697.473143][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  697.473146][   T12]  _printk (kernel/printk/printk.c:2504)
[  697.473149][   T12]  ? snapshot_read.cold (user.c:?)
[  697.473151][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  697.473154][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  697.473156][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  697.473158][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  697.473161][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473162][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  697.473163][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  697.473166][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  697.473168][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  697.473169][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  697.473171][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  697.473174][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  697.473178][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  697.473180][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  697.473182][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  697.473184][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  697.473186][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  697.473189][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  697.473191][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  697.473193][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.473194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.473196][   T12]  process_one_work (kernel/workqueue.c:3387)
[  697.473199][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  697.473201][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  697.473204][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  697.473207][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  697.473208][   T12]  kthread (kernel/kthread.c:436)
[  697.473210][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  697.473212][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  697.473214][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  697.473215][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  697.473217][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  697.473220][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  697.473222][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  698.624098][T14906] softirqs last disabled at (0): 0x0
| [  698.624100][T14906] Preemption disabled at:
| [  698.624100][T14906] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.624111][T14906] Tainted: [W]=WARN
[  698.624112][T14906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.624113][T14906] Call Trace:
[  698.624115][T14906]  <TASK>
[  698.624116][T14906]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.624121][T14906]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.624123][T14906]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.624127][T14906]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  698.624129][T14906]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.624132][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624134][T14906]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  698.624137][T14906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.624140][T14906]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.624145][T14906]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  698.624147][T14906]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.624149][T14906]  put_chars (drivers/char/virtio_console.c:1176)
[  698.624151][T14906]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.624153][T14906]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  698.624155][T14906]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.624160][T14906]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.624162][T14906]  ? vsnprintf (lib/vsprintf.c:2900)
[  698.624165][T14906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.624167][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624168][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624169][T14906]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.624172][T14906]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.624174][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624175][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624176][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624177][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624180][T14906]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  698.624181][T14906]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.624184][T14906]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.624187][T14906]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.624188][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624190][T14906]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.624192][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624193][T14906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.624194][T14906]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  698.624196][T14906]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  698.624197][T14906]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.624199][T14906]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.624200][T14906]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.624202][T14906]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.624203][T14906]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.624205][T14906]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.624208][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624209][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624211][T14906]  _printk (kernel/printk/printk.c:2504)
[  698.624214][T14906]  ? snapshot_read.cold (user.c:?)
[  698.624216][T14906]  ? br_multicast_flood (??:?)
[  698.624219][T14906]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  698.624221][T14906]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  698.624222][T14906]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.624224][T14906]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  698.624227][T14906]  br_init_port (net/bridge/br_stp_if.c:39)
[  698.624228][T14906]  new_nbp (net/bridge/br_if.c:449)
[  698.624231][T14906]  br_add_if (net/bridge/br_if.c:592)
[  698.624232][T14906]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  698.624236][T14906]  do_set_master (net/core/rtnetlink.c:3071)
[  698.624238][T14906]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  698.624240][T14906]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  698.624241][T14906]  ? __dev_get_by_name (net/core/dev.c:905)
[  698.624243][T14906]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  698.624247][T14906]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  698.624249][T14906]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.624251][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624253][T14906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.624254][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624255][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624257][T14906]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  698.624259][T14906]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  698.624261][T14906]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  698.624263][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624265][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624266][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624267][T14906]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.624272][T14906]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.624274][T14906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.624276][T14906]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.624278][T14906]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  698.624281][T14906]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.624284][T14906]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.624286][T14906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.624287][T14906]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.624289][T14906]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  698.624292][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624293][T14906]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.624295][T14906]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.624298][T14906]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.624300][T14906]  ? next_uptodate_folio (mm/filemap.c:3747)
[  698.624303][T14906]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.624305][T14906]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.624307][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624308][T14906]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.624311][T14906]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.624314][T14906]  ____sys_sendmsg (net/socket.c:2713)
[  698.624316][T14906]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.624318][T14906]  ? sock_write_iter (net/socket.c:1269)
[  698.624319][T14906]  ? move_addr_to_kernel (net/socket.c:258)
[  698.624321][T14906]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  698.624323][T14906]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.624325][T14906]  ___sys_sendmsg (net/socket.c:2767)
[  698.624327][T14906]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  698.624329][T14906]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.624330][T14906]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  698.624335][T14906]  __sys_sendmsg (net/socket.c:2799)
[  698.624337][T14906]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.624340][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624341][T14906]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.624342][T14906]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.624345][T14906]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.624347][T14906]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.624349][T14906] RIP: 0033:0x7fedc39a354e
[  698.624351][T14906] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  698.624352][T14906] RSP: 002b:00007fff7a366d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.624356][T14906] RAX: ffffffffffffffda RBX: 00007fff7a367548 RCX: 00007fedc39a354e
[  698.624357][T14906] RDX: 0000000000000000 RSI: 00007fff7a366e30 RDI: 0000000000000005
[  698.624358][T14906] RBP: 00007fff7a366d90 R08: 0000000000000000 R09: 0000000000000000
[  698.624359][T14906] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91127f
[  698.624360][T14906] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7a367500
| [  699.920682][T14976] softirqs last disabled at (0): 0x0
| [  699.920683][T14976] Preemption disabled at:
| [  699.920684][T14976] vprintk_emit (kernel/printk/printk.c:2471)
| [  699.920694][T14976] Tainted: [W]=WARN
[  699.920695][T14976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  699.920697][T14976] Call Trace:
[  699.920699][T14976]  <TASK>
[  699.920700][T14976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  699.920708][T14976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  699.920709][T14976]  __might_resched.cold (kernel/sched/core.c:9234)
[  699.920713][T14976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  699.920716][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920719][T14976]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  699.920722][T14976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.920725][T14976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.920730][T14976]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  699.920732][T14976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.920734][T14976]  put_chars (drivers/char/virtio_console.c:1176)
[  699.920736][T14976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  699.920737][T14976]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  699.920740][T14976]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  699.920742][T14976]  ? pointer (lib/vsprintf.c:2577)
[  699.920745][T14976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  699.920750][T14976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  699.920752][T14976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.920753][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920756][T14976]  console_emit_next_record (kernel/printk/printk.c:3183)
[  699.920759][T14976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  699.920761][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920762][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920763][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920764][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920766][T14976]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  699.920768][T14976]  console_flush_one_record (kernel/printk/printk.c:3268)
[  699.920770][T14976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  699.920773][T14976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  699.920775][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920776][T14976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  699.920778][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920779][T14976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.920780][T14976]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  699.920782][T14976]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  699.920783][T14976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  699.920786][T14976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  699.920787][T14976]  vprintk_emit (kernel/printk/printk.c:2479)
[  699.920789][T14976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  699.920790][T14976]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  699.920793][T14976]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  699.920796][T14976]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  699.920798][T14976]  _printk (kernel/printk/printk.c:2504)
[  699.920801][T14976]  ? snapshot_read.cold (user.c:?)
[  699.920803][T14976]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  699.920805][T14976]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  699.920808][T14976]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  699.920810][T14976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  699.920813][T14976]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  699.920816][T14976]  ? netdev_notice (net/core/dev.c:13194)
[  699.920818][T14976]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  699.920820][T14976]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  699.920822][T14976]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.920824][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920825][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920826][T14976]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  699.920827][T14976]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  699.920829][T14976]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  699.920830][T14976]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  699.920832][T14976]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  699.920833][T14976]  ? register_netdev (net/core/dev.c:11618)
[  699.920835][T14976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.920837][T14976]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  699.920839][T14976]  ? __kernel_text_address (kernel/extable.c:79)
[  699.920842][T14976]  ? write_profile (profile.c:?)
[  699.920845][T14976]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  699.920848][T14976]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  699.920850][T14976]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  699.920851][T14976]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  699.920853][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920854][T14976]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  699.920857][T14976]  ? kasan_save_stack (mm/kasan/common.c:58)
[  699.920859][T14976]  ? kasan_save_stack (mm/kasan/common.c:57)
[  699.920860][T14976]  ? kasan_save_track (mm/kasan/common.c:78)
[  699.920861][T14976]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  699.920862][T14976]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  699.920863][T14976]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  699.920864][T14976]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  699.920866][T14976]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  699.920868][T14976]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  699.920870][T14976]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  699.920871][T14976]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  699.920874][T14976]  ? ____sys_sendmsg (net/socket.c:2713)
[  699.920875][T14976]  ? ___sys_sendmsg (net/socket.c:2767)
[  699.920876][T14976]  ? __sys_sendmsg (net/socket.c:2799)
[  699.920878][T14976]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  699.920880][T14976]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.920883][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920884][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920886][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920887][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920888][T14976]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  699.920889][T14976]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  699.920890][T14976]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  699.920891][T14976]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  699.920893][T14976]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  699.920894][T14976]  ? nla_get_range_signed (lib/nlattr.c:270)
[  699.920897][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920899][T14976]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  699.920901][T14976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  699.920903][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920904][T14976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.920905][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920907][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920908][T14976]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  699.920911][T14976]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  699.920912][T14976]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  699.920914][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920915][T14976]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  699.920918][T14976]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  699.920920][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920922][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920923][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920924][T14976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.920926][T14976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  699.920927][T14976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.920929][T14976]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.920930][T14976]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  699.920932][T14976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  699.920934][T14976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.920935][T14976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.920937][T14976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  699.920939][T14976]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  699.920942][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920943][T14976]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.920945][T14976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  699.920947][T14976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  699.920949][T14976]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.920950][T14976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  699.920953][T14976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  699.920954][T14976]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  699.920956][T14976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.920958][T14976]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  699.920961][T14976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  699.920963][T14976]  ____sys_sendmsg (net/socket.c:2713)
[  699.920964][T14976]  ? copy_msghdr_from_user (net/socket.c:2650)
[  699.920966][T14976]  ? sock_write_iter (net/socket.c:1269)
[  699.920967][T14976]  ? move_addr_to_kernel (net/socket.c:258)
[  699.920969][T14976]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.920971][T14976]  ___sys_sendmsg (net/socket.c:2767)
[  699.920973][T14976]  ? copy_msghdr_from_user (net/socket.c:2619)
[  699.920978][T14976]  __sys_sendmsg (net/socket.c:2799)
[  699.920980][T14976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  699.920983][T14976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.920984][T14976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  699.920986][T14976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  699.920988][T14976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.920989][T14976] RIP: 0033:0x7fe4dc3bb54e
[  699.920991][T14976] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  699.920993][T14976] RSP: 002b:00007ffd49454cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  699.920996][T14976] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe4dc3bb54e
[  699.920998][T14976] RDX: 0000000000000000 RSI: 00007ffd49454d80 RDI: 0000000000000005
[  699.920999][T14976] RBP: 00007ffd49454ce0 R08: 0000000000000000 R09: 0000000000000000
[  699.920999][T14976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911281
[  699.921000][T14976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd49455440
| [  700.983481][T15026] softirqs last disabled at (0): 0x0
| [  700.983482][T15026] Preemption disabled at:
| [  700.983483][T15026] vprintk_emit (kernel/printk/printk.c:2471)
| [  700.983494][T15026] Tainted: [W]=WARN
[  700.983495][T15026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  700.983496][T15026] Call Trace:
[  700.983499][T15026]  <TASK>
[  700.983500][T15026]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  700.983506][T15026]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  700.983507][T15026]  __might_resched.cold (kernel/sched/core.c:9234)
[  700.983511][T15026]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  700.983513][T15026]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  700.983517][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983519][T15026]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  700.983522][T15026]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  700.983525][T15026]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  700.983530][T15026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  700.983532][T15026]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  700.983535][T15026]  put_chars (drivers/char/virtio_console.c:1176)
[  700.983537][T15026]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  700.983538][T15026]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  700.983541][T15026]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  700.983545][T15026]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  700.983547][T15026]  ? vsnprintf (lib/vsprintf.c:2900)
[  700.983550][T15026]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  700.983552][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983553][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983554][T15026]  console_emit_next_record (kernel/printk/printk.c:3183)
[  700.983557][T15026]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  700.983559][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983560][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983561][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983562][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983565][T15026]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  700.983566][T15026]  console_flush_one_record (kernel/printk/printk.c:3268)
[  700.983569][T15026]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  700.983571][T15026]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  700.983573][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983575][T15026]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  700.983577][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983578][T15026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.983579][T15026]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  700.983581][T15026]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  700.983582][T15026]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  700.983584][T15026]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  700.983586][T15026]  vprintk_emit (kernel/printk/printk.c:2479)
[  700.983587][T15026]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  700.983588][T15026]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  700.983590][T15026]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  700.983593][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983595][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983596][T15026]  _printk (kernel/printk/printk.c:2504)
[  700.983599][T15026]  ? snapshot_read.cold (user.c:?)
[  700.983601][T15026]  ? br_multicast_flood (??:?)
[  700.983604][T15026]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  700.983607][T15026]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  700.983608][T15026]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  700.983610][T15026]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  700.983613][T15026]  br_init_port (net/bridge/br_stp_if.c:39)
[  700.983615][T15026]  new_nbp (net/bridge/br_if.c:449)
[  700.983617][T15026]  br_add_if (net/bridge/br_if.c:592)
[  700.983618][T15026]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  700.983623][T15026]  do_set_master (net/core/rtnetlink.c:3071)
[  700.983625][T15026]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  700.983626][T15026]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  700.983628][T15026]  ? __dev_get_by_name (net/core/dev.c:905)
[  700.983630][T15026]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  700.983633][T15026]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  700.983636][T15026]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  700.983638][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983639][T15026]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.983640][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983642][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983643][T15026]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  700.983646][T15026]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  700.983648][T15026]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  700.983650][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983651][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983653][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983654][T15026]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  700.983655][T15026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  700.983657][T15026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  700.983658][T15026]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  700.983660][T15026]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  700.983663][T15026]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  700.983667][T15026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  700.983668][T15026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.983669][T15026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  700.983671][T15026]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  700.983674][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983675][T15026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  700.983677][T15026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  700.983679][T15026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  700.983681][T15026]  ? next_uptodate_folio (mm/filemap.c:3747)
[  700.983684][T15026]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  700.983686][T15026]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  700.983688][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983689][T15026]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  700.983693][T15026]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  700.983695][T15026]  ____sys_sendmsg (net/socket.c:2713)
[  700.983697][T15026]  ? copy_msghdr_from_user (net/socket.c:2650)
[  700.983699][T15026]  ? sock_write_iter (net/socket.c:1269)
[  700.983700][T15026]  ? move_addr_to_kernel (net/socket.c:258)
[  700.983702][T15026]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  700.983704][T15026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  700.983706][T15026]  ___sys_sendmsg (net/socket.c:2767)
[  700.983708][T15026]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  700.983710][T15026]  ? copy_msghdr_from_user (net/socket.c:2619)
[  700.983711][T15026]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  700.983716][T15026]  __sys_sendmsg (net/socket.c:2799)
[  700.983718][T15026]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  700.983721][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983722][T15026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  700.983723][T15026]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  700.983726][T15026]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  700.983728][T15026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  700.983730][T15026] RIP: 0033:0x7fceaf89954e
[  700.983731][T15026] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  700.983733][T15026] RSP: 002b:00007ffe1eab4410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  700.983737][T15026] RAX: ffffffffffffffda RBX: 00007ffe1eab4bd8 RCX: 00007fceaf89954e
[  700.983738][T15026] RDX: 0000000000000000 RSI: 00007ffe1eab44c0 RDI: 0000000000000005
[  700.983739][T15026] RBP: 00007ffe1eab4420 R08: 0000000000000000 R09: 0000000000000000
[  700.983740][T15026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911282
[  700.983741][T15026] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1eab4b90
| [  707.072711][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  707.072714][   T12] Preemption disabled at:
| [  707.072715][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  707.072726][   T12] Tainted: [W]=WARN
[  707.072727][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  707.072729][   T12] Workqueue: netns cleanup_net
[  707.072734][   T12] Call Trace:
[  707.072736][   T12]  <TASK>
[  707.072737][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  707.072742][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  707.072744][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  707.072747][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  707.072749][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  707.072753][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072756][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  707.072759][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.072762][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.072767][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  707.072769][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.072771][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  707.072773][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  707.072775][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  707.072778][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  707.072782][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  707.072784][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  707.072787][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.072789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072790][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072791][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  707.072794][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  707.072796][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072798][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072799][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.072802][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  707.072804][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  707.072806][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  707.072809][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  707.072811][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.072813][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  707.072814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072815][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.072817][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  707.072818][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  707.072820][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  707.072822][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  707.072823][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  707.072825][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  707.072826][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  707.072828][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  707.072831][   T12]  ? kthread (kernel/kthread.c:436)
[  707.072833][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  707.072836][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  707.072838][   T12]  _printk (kernel/printk/printk.c:2504)
[  707.072841][   T12]  ? snapshot_read.cold (user.c:?)
[  707.072843][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  707.072847][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  707.072849][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  707.072851][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  707.072853][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072855][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  707.072856][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  707.072859][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  707.072861][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  707.072862][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  707.072865][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  707.072867][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  707.072871][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  707.072873][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  707.072876][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  707.072878][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  707.072880][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  707.072883][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  707.072885][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  707.072886][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  707.072889][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.072891][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.072893][   T12]  process_one_work (kernel/workqueue.c:3387)
[  707.072895][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  707.072898][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.072901][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  707.072903][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  707.072905][   T12]  kthread (kernel/kthread.c:436)
[  707.072907][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  707.072909][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  707.072911][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  707.072912][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  707.072914][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  707.072917][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  707.072919][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  708.392117][T15164] softirqs last disabled at (0): 0x0
| [  708.392119][T15164] Preemption disabled at:
| [  708.392119][T15164] vprintk_emit (kernel/printk/printk.c:2471)
| [  708.392130][T15164] Tainted: [W]=WARN
[  708.392131][T15164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  708.392133][T15164] Call Trace:
[  708.392134][T15164]  <TASK>
[  708.392135][T15164]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  708.392141][T15164]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  708.392142][T15164]  __might_resched.cold (kernel/sched/core.c:9234)
[  708.392146][T15164]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  708.392148][T15164]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  708.392152][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392154][T15164]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  708.392157][T15164]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.392160][T15164]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.392165][T15164]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  708.392166][T15164]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.392169][T15164]  put_chars (drivers/char/virtio_console.c:1176)
[  708.392170][T15164]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  708.392172][T15164]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  708.392175][T15164]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  708.392179][T15164]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  708.392181][T15164]  ? vsnprintf (lib/vsprintf.c:2900)
[  708.392184][T15164]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.392186][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392187][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392189][T15164]  console_emit_next_record (kernel/printk/printk.c:3183)
[  708.392191][T15164]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  708.392194][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392195][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392195][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392197][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392199][T15164]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  708.392201][T15164]  console_flush_one_record (kernel/printk/printk.c:3268)
[  708.392203][T15164]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  708.392206][T15164]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  708.392208][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392210][T15164]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  708.392211][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392212][T15164]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.392214][T15164]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  708.392215][T15164]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  708.392217][T15164]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  708.392219][T15164]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  708.392220][T15164]  vprintk_emit (kernel/printk/printk.c:2479)
[  708.392222][T15164]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  708.392223][T15164]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.392225][T15164]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  708.392228][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392229][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392231][T15164]  _printk (kernel/printk/printk.c:2504)
[  708.392234][T15164]  ? snapshot_read.cold (user.c:?)
[  708.392236][T15164]  ? br_multicast_flood (??:?)
[  708.392239][T15164]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  708.392242][T15164]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  708.392243][T15164]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  708.392245][T15164]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  708.392248][T15164]  br_init_port (net/bridge/br_stp_if.c:39)
[  708.392249][T15164]  new_nbp (net/bridge/br_if.c:449)
[  708.392252][T15164]  br_add_if (net/bridge/br_if.c:592)
[  708.392253][T15164]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  708.392258][T15164]  do_set_master (net/core/rtnetlink.c:3071)
[  708.392259][T15164]  ? __schedule (kernel/sched/core.c:7277)
[  708.392262][T15164]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  708.392264][T15164]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  708.392265][T15164]  ? __dev_get_by_name (net/core/dev.c:905)
[  708.392267][T15164]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  708.392271][T15164]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  708.392273][T15164]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  708.392275][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392277][T15164]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.392278][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392279][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392281][T15164]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  708.392284][T15164]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  708.392285][T15164]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  708.392288][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392289][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392290][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392291][T15164]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  708.392293][T15164]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  708.392295][T15164]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.392296][T15164]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  708.392297][T15164]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  708.392301][T15164]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  708.392304][T15164]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  708.392310][T15164]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.392312][T15164]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  708.392313][T15164]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  708.392316][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392317][T15164]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.392319][T15164]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  708.392322][T15164]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  708.392324][T15164]  ? next_uptodate_folio (mm/filemap.c:3747)
[  708.392326][T15164]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  708.392329][T15164]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  708.392331][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392332][T15164]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  708.392335][T15164]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  708.392338][T15164]  ____sys_sendmsg (net/socket.c:2713)
[  708.392340][T15164]  ? copy_msghdr_from_user (net/socket.c:2650)
[  708.392342][T15164]  ? sock_write_iter (net/socket.c:1269)
[  708.392343][T15164]  ? move_addr_to_kernel (net/socket.c:258)
[  708.392345][T15164]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  708.392348][T15164]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.392350][T15164]  ___sys_sendmsg (net/socket.c:2767)
[  708.392351][T15164]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  708.392353][T15164]  ? copy_msghdr_from_user (net/socket.c:2619)
[  708.392355][T15164]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  708.392359][T15164]  __sys_sendmsg (net/socket.c:2799)
[  708.392361][T15164]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  708.392364][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392365][T15164]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.392366][T15164]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  708.392369][T15164]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  708.392371][T15164]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  708.392373][T15164] RIP: 0033:0x7f24f3c3754e
[  708.392375][T15164] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  708.392377][T15164] RSP: 002b:00007fff44b48c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  708.392380][T15164] RAX: ffffffffffffffda RBX: 00007fff44b493d8 RCX: 00007f24f3c3754e
[  708.392381][T15164] RDX: 0000000000000000 RSI: 00007fff44b48cc0 RDI: 0000000000000005
[  708.392382][T15164] RBP: 00007fff44b48c20 R08: 0000000000000000 R09: 0000000000000000
[  708.392383][T15164] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911289
[  708.392384][T15164] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff44b49390
| [  709.718162][T15233] softirqs last disabled at (0): 0x0
| [  709.718164][T15233] Preemption disabled at:
| [  709.718164][T15233] vprintk_emit (kernel/printk/printk.c:2471)
| [  709.718174][T15233] Tainted: [W]=WARN
[  709.718175][T15233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  709.718176][T15233] Call Trace:
[  709.718178][T15233]  <TASK>
[  709.718179][T15233]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  709.718185][T15233]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  709.718186][T15233]  __might_resched.cold (kernel/sched/core.c:9234)
[  709.718190][T15233]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  709.718194][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718197][T15233]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  709.718200][T15233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.718203][T15233]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.718208][T15233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  709.718210][T15233]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.718212][T15233]  put_chars (drivers/char/virtio_console.c:1176)
[  709.718214][T15233]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  709.718215][T15233]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  709.718217][T15233]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  709.718219][T15233]  ? pointer (lib/vsprintf.c:2577)
[  709.718223][T15233]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  709.718227][T15233]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  709.718229][T15233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.718231][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718234][T15233]  console_emit_next_record (kernel/printk/printk.c:3183)
[  709.718236][T15233]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  709.718238][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718239][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718240][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718241][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718243][T15233]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  709.718245][T15233]  console_flush_one_record (kernel/printk/printk.c:3268)
[  709.718247][T15233]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  709.718250][T15233]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  709.718252][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718254][T15233]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  709.718256][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718257][T15233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.718258][T15233]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  709.718260][T15233]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  709.718261][T15233]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  709.718263][T15233]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  709.718265][T15233]  vprintk_emit (kernel/printk/printk.c:2479)
[  709.718266][T15233]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  709.718267][T15233]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  709.718270][T15233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  709.718273][T15233]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  709.718275][T15233]  _printk (kernel/printk/printk.c:2504)
[  709.718278][T15233]  ? snapshot_read.cold (user.c:?)
[  709.718280][T15233]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  709.718283][T15233]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  709.718286][T15233]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  709.718288][T15233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.718291][T15233]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  709.718293][T15233]  ? netdev_notice (net/core/dev.c:13194)
[  709.718295][T15233]  ? 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)
[  709.718297][T15233]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  709.718300][T15233]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.718301][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718302][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718303][T15233]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  709.718305][T15233]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  709.718306][T15233]  ? 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)
[  709.718308][T15233]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.718313][T15233]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  709.718315][T15233]  ? register_netdev (net/core/dev.c:11618)
[  709.718317][T15233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.718319][T15233]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  709.718322][T15233]  ? __kernel_text_address (kernel/extable.c:79)
[  709.718324][T15233]  ? write_profile (profile.c:?)
[  709.718327][T15233]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  709.718331][T15233]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.718333][T15233]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  709.718334][T15233]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  709.718335][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718336][T15233]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.718340][T15233]  ? kasan_save_stack (mm/kasan/common.c:58)
[  709.718342][T15233]  ? kasan_save_stack (mm/kasan/common.c:57)
[  709.718343][T15233]  ? kasan_save_track (mm/kasan/common.c:78)
[  709.718344][T15233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  709.718345][T15233]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  709.718346][T15233]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  709.718347][T15233]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.718348][T15233]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.718351][T15233]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.718352][T15233]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.718354][T15233]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.718357][T15233]  ? ____sys_sendmsg (net/socket.c:2713)
[  709.718358][T15233]  ? ___sys_sendmsg (net/socket.c:2767)
[  709.718359][T15233]  ? __sys_sendmsg (net/socket.c:2799)
[  709.718361][T15233]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.718363][T15233]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.718366][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718367][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718368][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718369][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718370][T15233]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  709.718372][T15233]  ? __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)
[  709.718373][T15233]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  709.718374][T15233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.718376][T15233]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  709.718377][T15233]  ? nla_get_range_signed (lib/nlattr.c:270)
[  709.718380][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718381][T15233]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  709.718383][T15233]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.718385][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718387][T15233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.718388][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718389][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718391][T15233]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  709.718393][T15233]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  709.718394][T15233]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  709.718396][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718397][T15233]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  709.718400][T15233]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  709.718402][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718403][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718405][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718406][T15233]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.718407][T15233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.718409][T15233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.718410][T15233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.718412][T15233]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.718414][T15233]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.718416][T15233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.718417][T15233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.718419][T15233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  709.718420][T15233]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  709.718424][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718425][T15233]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.718427][T15233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.718429][T15233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  709.718431][T15233]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.718433][T15233]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.718435][T15233]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  709.718437][T15233]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  709.718438][T15233]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.718440][T15233]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  709.718443][T15233]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.718445][T15233]  ____sys_sendmsg (net/socket.c:2713)
[  709.718447][T15233]  ? copy_msghdr_from_user (net/socket.c:2650)
[  709.718448][T15233]  ? sock_write_iter (net/socket.c:1269)
[  709.718450][T15233]  ? move_addr_to_kernel (net/socket.c:258)
[  709.718451][T15233]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.718454][T15233]  ___sys_sendmsg (net/socket.c:2767)
[  709.718456][T15233]  ? copy_msghdr_from_user (net/socket.c:2619)
[  709.718461][T15233]  __sys_sendmsg (net/socket.c:2799)
[  709.718462][T15233]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  709.718465][T15233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.718467][T15233]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.718468][T15233]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  709.718470][T15233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.718472][T15233] RIP: 0033:0x7fbb8629354e
[  709.718473][T15233] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  709.718475][T15233] RSP: 002b:00007ffda74c2060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  709.718479][T15233] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbb8629354e
[  709.718480][T15233] RDX: 0000000000000000 RSI: 00007ffda74c2110 RDI: 0000000000000005
[  709.718481][T15233] RBP: 00007ffda74c2070 R08: 0000000000000000 R09: 0000000000000000
[  709.718482][T15233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91128b
[  709.718483][T15233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda74c27d0
| [  710.795781][T15290] softirqs last disabled at (0): 0x0
| [  710.795783][T15290] Preemption disabled at:
| [  710.795784][T15290] vprintk_emit (kernel/printk/printk.c:2471)
| [  710.795794][T15290] Tainted: [W]=WARN
[  710.795794][T15290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  710.795796][T15290] Call Trace:
[  710.795797][T15290]  <TASK>
[  710.795799][T15290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  710.795804][T15290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  710.795806][T15290]  __might_resched.cold (kernel/sched/core.c:9234)
[  710.795809][T15290]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  710.795811][T15290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  710.795815][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795817][T15290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  710.795820][T15290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  710.795823][T15290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  710.795828][T15290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  710.795830][T15290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  710.795832][T15290]  put_chars (drivers/char/virtio_console.c:1176)
[  710.795834][T15290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  710.795836][T15290]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  710.795838][T15290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  710.795843][T15290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  710.795845][T15290]  ? vsnprintf (lib/vsprintf.c:2900)
[  710.795848][T15290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  710.795849][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795850][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795852][T15290]  console_emit_next_record (kernel/printk/printk.c:3183)
[  710.795855][T15290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  710.795857][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795858][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795859][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795860][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.795862][T15290]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  710.795864][T15290]  console_flush_one_record (kernel/printk/printk.c:3268)
[  710.795867][T15290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  710.795869][T15290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  710.795871][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.795873][T15290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  710.795874][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795875][T15290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  710.795877][T15290]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  710.795879][T15290]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  710.795880][T15290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  710.795882][T15290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  710.795883][T15290]  vprintk_emit (kernel/printk/printk.c:2479)
[  710.795885][T15290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  710.795886][T15290]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  710.795888][T15290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  710.795891][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.795892][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795894][T15290]  _printk (kernel/printk/printk.c:2504)
[  710.795896][T15290]  ? snapshot_read.cold (user.c:?)
[  710.795898][T15290]  ? br_multicast_flood (??:?)
[  710.795901][T15290]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  710.795904][T15290]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  710.795905][T15290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  710.795907][T15290]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  710.795910][T15290]  br_init_port (net/bridge/br_stp_if.c:39)
[  710.795912][T15290]  new_nbp (net/bridge/br_if.c:449)
[  710.795914][T15290]  br_add_if (net/bridge/br_if.c:592)
[  710.795916][T15290]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  710.795920][T15290]  do_set_master (net/core/rtnetlink.c:3071)
[  710.795922][T15290]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  710.795923][T15290]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  710.795925][T15290]  ? __dev_get_by_name (net/core/dev.c:905)
[  710.795926][T15290]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  710.795930][T15290]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  710.795933][T15290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  710.795935][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795936][T15290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  710.795938][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.795939][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795941][T15290]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  710.795943][T15290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  710.795945][T15290]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  710.795947][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795949][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.795950][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795951][T15290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  710.795953][T15290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  710.795955][T15290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  710.795956][T15290]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  710.795958][T15290]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  710.795961][T15290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  710.795964][T15290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  710.795966][T15290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  710.795967][T15290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  710.795969][T15290]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  710.795972][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.795973][T15290]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  710.795975][T15290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  710.795977][T15290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  710.795979][T15290]  ? next_uptodate_folio (mm/filemap.c:3747)
[  710.795982][T15290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  710.795984][T15290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  710.795986][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.795988][T15290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  710.795991][T15290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  710.795994][T15290]  ____sys_sendmsg (net/socket.c:2713)
[  710.795996][T15290]  ? copy_msghdr_from_user (net/socket.c:2650)
[  710.795998][T15290]  ? sock_write_iter (net/socket.c:1269)
[  710.795999][T15290]  ? move_addr_to_kernel (net/socket.c:258)
[  710.796001][T15290]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  710.796004][T15290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  710.796006][T15290]  ___sys_sendmsg (net/socket.c:2767)
[  710.796007][T15290]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  710.796009][T15290]  ? copy_msghdr_from_user (net/socket.c:2619)
[  710.796011][T15290]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  710.796015][T15290]  __sys_sendmsg (net/socket.c:2799)
[  710.796017][T15290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  710.796020][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.796021][T15290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  710.796022][T15290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  710.796025][T15290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  710.796027][T15290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  710.796029][T15290] RIP: 0033:0x7f331342354e
[  710.796031][T15290] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  710.796033][T15290] RSP: 002b:00007fff8232b3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  710.796036][T15290] RAX: ffffffffffffffda RBX: 00007fff8232bba8 RCX: 00007f331342354e
[  710.796040][T15290] RDX: 0000000000000000 RSI: 00007fff8232b490 RDI: 0000000000000005
[  710.796041][T15290] RBP: 00007fff8232b3f0 R08: 0000000000000000 R09: 0000000000000000
[  710.796041][T15290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91128c
[  710.796042][T15290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8232bb60
| [  720.285956][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  720.285959][   T12] Preemption disabled at:
| [  720.285960][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  720.285970][   T12] Tainted: [W]=WARN
[  720.285971][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  720.285973][   T12] Workqueue: netns cleanup_net
[  720.285978][   T12] Call Trace:
[  720.285979][   T12]  <TASK>
[  720.285981][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  720.285987][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  720.285988][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  720.285992][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  720.285994][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  720.285997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286000][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  720.286003][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.286006][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.286011][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  720.286013][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.286015][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  720.286017][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  720.286019][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  720.286022][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  720.286026][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  720.286028][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  720.286031][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.286032][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286035][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  720.286038][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  720.286040][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286042][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286043][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286044][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.286046][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  720.286048][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  720.286051][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  720.286053][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  720.286055][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.286057][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  720.286059][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286060][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.286061][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  720.286063][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  720.286065][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  720.286067][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  720.286068][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  720.286070][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  720.286071][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  720.286073][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  720.286076][   T12]  ? kthread (kernel/kthread.c:436)
[  720.286078][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  720.286081][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  720.286084][   T12]  _printk (kernel/printk/printk.c:2504)
[  720.286087][   T12]  ? snapshot_read.cold (user.c:?)
[  720.286089][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  720.286093][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  720.286095][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  720.286097][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  720.286100][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286101][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  720.286102][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  720.286105][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  720.286107][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  720.286108][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  720.286111][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  720.286113][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  720.286117][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  720.286120][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  720.286122][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  720.286124][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  720.286126][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  720.286129][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  720.286131][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  720.286133][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  720.286136][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.286137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.286139][   T12]  process_one_work (kernel/workqueue.c:3387)
[  720.286142][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  720.286145][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.286147][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  720.286150][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  720.286152][   T12]  kthread (kernel/kthread.c:436)
[  720.286154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  720.286156][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  720.286158][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  720.286160][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  720.286162][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  720.286165][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  720.286167][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  721.507954][T15546] softirqs last disabled at (0): 0x0
| [  721.507956][T15546] Preemption disabled at:
| [  721.507957][T15546] vprintk_emit (kernel/printk/printk.c:2471)
| [  721.507967][T15546] Tainted: [W]=WARN
[  721.507968][T15546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  721.507970][T15546] Call Trace:
[  721.507971][T15546]  <TASK>
[  721.507972][T15546]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  721.507978][T15546]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  721.507980][T15546]  __might_resched.cold (kernel/sched/core.c:9234)
[  721.507983][T15546]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  721.507986][T15546]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  721.507989][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.507991][T15546]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  721.507995][T15546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.507997][T15546]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.508002][T15546]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  721.508004][T15546]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.508007][T15546]  put_chars (drivers/char/virtio_console.c:1176)
[  721.508008][T15546]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  721.508010][T15546]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  721.508013][T15546]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  721.508017][T15546]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  721.508019][T15546]  ? vsnprintf (lib/vsprintf.c:2900)
[  721.508023][T15546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.508024][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508025][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508027][T15546]  console_emit_next_record (kernel/printk/printk.c:3183)
[  721.508030][T15546]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  721.508032][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508033][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508034][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508035][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508038][T15546]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  721.508040][T15546]  console_flush_one_record (kernel/printk/printk.c:3268)
[  721.508042][T15546]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  721.508045][T15546]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  721.508047][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508049][T15546]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  721.508051][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508052][T15546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.508053][T15546]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  721.508055][T15546]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  721.508056][T15546]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  721.508059][T15546]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  721.508060][T15546]  vprintk_emit (kernel/printk/printk.c:2479)
[  721.508062][T15546]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  721.508063][T15546]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.508065][T15546]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  721.508068][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508069][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508071][T15546]  _printk (kernel/printk/printk.c:2504)
[  721.508074][T15546]  ? snapshot_read.cold (user.c:?)
[  721.508076][T15546]  ? br_multicast_flood (??:?)
[  721.508079][T15546]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  721.508082][T15546]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  721.508083][T15546]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.508085][T15546]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  721.508088][T15546]  br_init_port (net/bridge/br_stp_if.c:39)
[  721.508089][T15546]  new_nbp (net/bridge/br_if.c:449)
[  721.508092][T15546]  br_add_if (net/bridge/br_if.c:592)
[  721.508094][T15546]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  721.508098][T15546]  do_set_master (net/core/rtnetlink.c:3071)
[  721.508100][T15546]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  721.508102][T15546]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  721.508103][T15546]  ? __dev_get_by_name (net/core/dev.c:905)
[  721.508105][T15546]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  721.508109][T15546]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  721.508112][T15546]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.508114][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508115][T15546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.508117][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508118][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508120][T15546]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  721.508122][T15546]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  721.508124][T15546]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  721.508127][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508128][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508129][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508131][T15546]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.508132][T15546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.508134][T15546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.508136][T15546]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  721.508137][T15546]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  721.508141][T15546]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.508144][T15546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.508145][T15546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.508147][T15546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  721.508149][T15546]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  721.508152][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508153][T15546]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.508155][T15546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.508157][T15546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  721.508159][T15546]  ? next_uptodate_folio (mm/filemap.c:3747)
[  721.508162][T15546]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.508164][T15546]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  721.508166][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508168][T15546]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  721.508171][T15546]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.508174][T15546]  ____sys_sendmsg (net/socket.c:2713)
[  721.508176][T15546]  ? copy_msghdr_from_user (net/socket.c:2650)
[  721.508178][T15546]  ? sock_write_iter (net/socket.c:1269)
[  721.508179][T15546]  ? move_addr_to_kernel (net/socket.c:258)
[  721.508182][T15546]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  721.508184][T15546]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.508186][T15546]  ___sys_sendmsg (net/socket.c:2767)
[  721.508188][T15546]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  721.508190][T15546]  ? copy_msghdr_from_user (net/socket.c:2619)
[  721.508191][T15546]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  721.508196][T15546]  __sys_sendmsg (net/socket.c:2799)
[  721.508198][T15546]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  721.508201][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508202][T15546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.508204][T15546]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.508206][T15546]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  721.508209][T15546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.508211][T15546] RIP: 0033:0x7f34548cc54e
[  721.508213][T15546] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  721.508215][T15546] RSP: 002b:00007ffdf9a52120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  721.508219][T15546] RAX: ffffffffffffffda RBX: 00007ffdf9a528e8 RCX: 00007f34548cc54e
[  721.508220][T15546] RDX: 0000000000000000 RSI: 00007ffdf9a521d0 RDI: 0000000000000005
[  721.508221][T15546] RBP: 00007ffdf9a52130 R08: 0000000000000000 R09: 0000000000000000
[  721.508222][T15546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911296
[  721.508223][T15546] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf9a528a0
| [  722.797481][T15616] softirqs last disabled at (0): 0x0
| [  722.797482][T15616] Preemption disabled at:
| [  722.797483][T15616] vprintk_emit (kernel/printk/printk.c:2471)
| [  722.797492][T15616] Tainted: [W]=WARN
[  722.797493][T15616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  722.797499][T15616] Call Trace:
[  722.797501][T15616]  <TASK>
[  722.797502][T15616]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  722.797508][T15616]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  722.797509][T15616]  __might_resched.cold (kernel/sched/core.c:9234)
[  722.797513][T15616]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  722.797516][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797519][T15616]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  722.797522][T15616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.797525][T15616]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.797530][T15616]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  722.797531][T15616]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.797534][T15616]  put_chars (drivers/char/virtio_console.c:1176)
[  722.797536][T15616]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  722.797537][T15616]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  722.797539][T15616]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  722.797541][T15616]  ? pointer (lib/vsprintf.c:2577)
[  722.797545][T15616]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  722.797549][T15616]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  722.797551][T15616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.797553][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797555][T15616]  console_emit_next_record (kernel/printk/printk.c:3183)
[  722.797558][T15616]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  722.797560][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797561][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797562][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797563][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797565][T15616]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  722.797567][T15616]  console_flush_one_record (kernel/printk/printk.c:3268)
[  722.797569][T15616]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  722.797572][T15616]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  722.797574][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797576][T15616]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  722.797578][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797579][T15616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.797580][T15616]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  722.797582][T15616]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  722.797583][T15616]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  722.797585][T15616]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  722.797587][T15616]  vprintk_emit (kernel/printk/printk.c:2479)
[  722.797588][T15616]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  722.797590][T15616]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  722.797592][T15616]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  722.797595][T15616]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  722.797597][T15616]  _printk (kernel/printk/printk.c:2504)
[  722.797600][T15616]  ? snapshot_read.cold (user.c:?)
[  722.797602][T15616]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  722.797604][T15616]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  722.797607][T15616]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  722.797609][T15616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.797612][T15616]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  722.797615][T15616]  ? netdev_notice (net/core/dev.c:13194)
[  722.797617][T15616]  ? 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)
[  722.797618][T15616]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  722.797621][T15616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.797622][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797623][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797625][T15616]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  722.797626][T15616]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  722.797628][T15616]  ? 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)
[  722.797629][T15616]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.797630][T15616]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  722.797632][T15616]  ? register_netdev (net/core/dev.c:11618)
[  722.797633][T15616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.797636][T15616]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  722.797638][T15616]  ? __kernel_text_address (kernel/extable.c:79)
[  722.797640][T15616]  ? write_profile (profile.c:?)
[  722.797643][T15616]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  722.797646][T15616]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  722.797648][T15616]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  722.797650][T15616]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  722.797651][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797652][T15616]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  722.797656][T15616]  ? kasan_save_stack (mm/kasan/common.c:58)
[  722.797657][T15616]  ? kasan_save_stack (mm/kasan/common.c:57)
[  722.797658][T15616]  ? kasan_save_track (mm/kasan/common.c:78)
[  722.797660][T15616]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  722.797661][T15616]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  722.797662][T15616]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  722.797663][T15616]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.797664][T15616]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.797667][T15616]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.797669][T15616]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.797670][T15616]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.797673][T15616]  ? ____sys_sendmsg (net/socket.c:2713)
[  722.797674][T15616]  ? ___sys_sendmsg (net/socket.c:2767)
[  722.797676][T15616]  ? __sys_sendmsg (net/socket.c:2799)
[  722.797677][T15616]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.797680][T15616]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.797682][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797683][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797685][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797686][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797687][T15616]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  722.797688][T15616]  ? __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)
[  722.797689][T15616]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  722.797691][T15616]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  722.797692][T15616]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  722.797694][T15616]  ? nla_get_range_signed (lib/nlattr.c:270)
[  722.797697][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797698][T15616]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  722.797700][T15616]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  722.797702][T15616]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.797704][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797705][T15616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.797706][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797708][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797709][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797710][T15616]  ? trace_hrtimer_start (./include/trace/events/timer.h:223 (discriminator 22))
[  722.797713][T15616]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[  722.797715][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797716][T15616]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  722.797720][T15616]  ? __update_load_avg_se (kernel/sched/pelt.c:314)
[  722.797722][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797723][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797724][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797726][T15616]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.797727][T15616]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.797729][T15616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.797730][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797731][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797732][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797733][T15616]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  722.797735][T15616]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  722.797736][T15616]  ? finish_task_switch.isra.0 (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1383 ./include/linux/sched/mm.h:54 ./include/linux/sched/mm.h:83 ./include/linux/sched/mm.h:110 kernel/sched/core.c:5402)
[  722.797738][T15616]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  722.797741][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797742][T15616]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.797744][T15616]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.797745][T15616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.797747][T15616]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  722.797748][T15616]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  722.797751][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797752][T15616]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.797754][T15616]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.797757][T15616]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  722.797759][T15616]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.797761][T15616]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  722.797763][T15616]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  722.797764][T15616]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.797766][T15616]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  722.797769][T15616]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.797771][T15616]  ____sys_sendmsg (net/socket.c:2713)
[  722.797772][T15616]  ? copy_msghdr_from_user (net/socket.c:2650)
[  722.797774][T15616]  ? sock_write_iter (net/socket.c:1269)
[  722.797775][T15616]  ? move_addr_to_kernel (net/socket.c:258)
[  722.797777][T15616]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  722.797780][T15616]  ___sys_sendmsg (net/socket.c:2767)
[  722.797781][T15616]  ? copy_msghdr_from_user (net/socket.c:2619)
[  722.797786][T15616]  __sys_sendmsg (net/socket.c:2799)
[  722.797788][T15616]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  722.797791][T15616]  ? 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)
[  722.797793][T15616]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.797795][T15616]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.797796][T15616]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  722.797798][T15616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.797800][T15616] RIP: 0033:0x7fd90c21754e
[  722.797802][T15616] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  722.797803][T15616] RSP: 002b:00007fff9f6895c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  722.797807][T15616] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd90c21754e
[  722.797808][T15616] RDX: 0000000000000000 RSI: 00007fff9f689670 RDI: 0000000000000005
[  722.797809][T15616] RBP: 00007fff9f6895d0 R08: 0000000000000000 R09: 0000000000000000
[  722.797810][T15616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911298
[  722.797811][T15616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9f689d30
| [  723.906822][T15673] softirqs last disabled at (0): 0x0
| [  723.906824][T15673] Preemption disabled at:
| [  723.906825][T15673] vprintk_emit (kernel/printk/printk.c:2471)
| [  723.906835][T15673] Tainted: [W]=WARN
[  723.906836][T15673] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  723.906837][T15673] Call Trace:
[  723.906839][T15673]  <TASK>
[  723.906840][T15673]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  723.906846][T15673]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  723.906847][T15673]  __might_resched.cold (kernel/sched/core.c:9234)
[  723.906850][T15673]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  723.906853][T15673]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  723.906856][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906858][T15673]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  723.906861][T15673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.906865][T15673]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.906869][T15673]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  723.906871][T15673]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  723.906874][T15673]  put_chars (drivers/char/virtio_console.c:1176)
[  723.906875][T15673]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  723.906877][T15673]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  723.906880][T15673]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  723.906884][T15673]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  723.906886][T15673]  ? vsnprintf (lib/vsprintf.c:2900)
[  723.906889][T15673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.906891][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906892][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906894][T15673]  console_emit_next_record (kernel/printk/printk.c:3183)
[  723.906896][T15673]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  723.906899][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906900][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906900][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906902][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.906904][T15673]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  723.906906][T15673]  console_flush_one_record (kernel/printk/printk.c:3268)
[  723.906908][T15673]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  723.906911][T15673]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  723.906913][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.906915][T15673]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  723.906916][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906917][T15673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.906919][T15673]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  723.906921][T15673]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  723.906922][T15673]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  723.906924][T15673]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  723.906925][T15673]  vprintk_emit (kernel/printk/printk.c:2479)
[  723.906927][T15673]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  723.906929][T15673]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  723.906930][T15673]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  723.906933][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.906935][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906936][T15673]  _printk (kernel/printk/printk.c:2504)
[  723.906939][T15673]  ? snapshot_read.cold (user.c:?)
[  723.906941][T15673]  ? br_multicast_flood (??:?)
[  723.906945][T15673]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  723.906947][T15673]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  723.906948][T15673]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  723.906950][T15673]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  723.906953][T15673]  br_init_port (net/bridge/br_stp_if.c:39)
[  723.906954][T15673]  new_nbp (net/bridge/br_if.c:449)
[  723.906957][T15673]  br_add_if (net/bridge/br_if.c:592)
[  723.906959][T15673]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  723.906963][T15673]  do_set_master (net/core/rtnetlink.c:3071)
[  723.906964][T15673]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  723.906966][T15673]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  723.906967][T15673]  ? __dev_get_by_name (net/core/dev.c:905)
[  723.906969][T15673]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  723.906973][T15673]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  723.906976][T15673]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  723.906978][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906979][T15673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  723.906980][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.906982][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906983][T15673]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  723.906986][T15673]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  723.906987][T15673]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  723.906990][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906991][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.906992][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.906994][T15673]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  723.906995][T15673]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  723.906997][T15673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  723.906998][T15673]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  723.906999][T15673]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  723.907003][T15673]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  723.907006][T15673]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  723.907007][T15673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.907009][T15673]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  723.907010][T15673]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  723.907013][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.907015][T15673]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  723.907017][T15673]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  723.907019][T15673]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  723.907021][T15673]  ? next_uptodate_folio (mm/filemap.c:3747)
[  723.907024][T15673]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  723.907026][T15673]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  723.907028][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.907029][T15673]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  723.907033][T15673]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  723.907035][T15673]  ____sys_sendmsg (net/socket.c:2713)
[  723.907037][T15673]  ? copy_msghdr_from_user (net/socket.c:2650)
[  723.907039][T15673]  ? sock_write_iter (net/socket.c:1269)
[  723.907040][T15673]  ? move_addr_to_kernel (net/socket.c:258)
[  723.907043][T15673]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  723.907045][T15673]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  723.907047][T15673]  ___sys_sendmsg (net/socket.c:2767)
[  723.907049][T15673]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  723.907050][T15673]  ? copy_msghdr_from_user (net/socket.c:2619)
[  723.907052][T15673]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  723.907057][T15673]  __sys_sendmsg (net/socket.c:2799)
[  723.907059][T15673]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  723.907062][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.907063][T15673]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  723.907064][T15673]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  723.907067][T15673]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  723.907069][T15673]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  723.907071][T15673] RIP: 0033:0x7f2ca4efa54e
[  723.907073][T15673] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  723.907075][T15673] RSP: 002b:00007fffe510dcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  723.907078][T15673] RAX: ffffffffffffffda RBX: 00007fffe510e478 RCX: 00007f2ca4efa54e
[  723.907080][T15673] RDX: 0000000000000000 RSI: 00007fffe510dd60 RDI: 0000000000000005
[  723.907081][T15673] RBP: 00007fffe510dcc0 R08: 0000000000000000 R09: 0000000000000000
[  723.907081][T15673] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911299
[  723.907082][T15673] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe510e430
| [  733.363580][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  733.363583][   T12] Preemption disabled at:
| [  733.363583][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  733.363594][   T12] Tainted: [W]=WARN
[  733.363595][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  733.363597][   T12] Workqueue: netns cleanup_net
[  733.363602][   T12] Call Trace:
[  733.363604][   T12]  <TASK>
[  733.363606][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  733.363611][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  733.363612][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  733.363616][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  733.363618][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  733.363621][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363624][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  733.363627][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.363630][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.363635][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  733.363637][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  733.363640][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  733.363641][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  733.363643][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  733.363646][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  733.363651][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  733.363653][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  733.363655][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.363657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363658][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363660][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  733.363663][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  733.363665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363667][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363668][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.363671][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  733.363673][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  733.363675][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  733.363678][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  733.363680][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.363682][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  733.363684][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363685][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  733.363686][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  733.363688][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  733.363689][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  733.363692][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  733.363693][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  733.363695][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  733.363696][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  733.363698][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  733.363701][   T12]  ? kthread (kernel/kthread.c:436)
[  733.363703][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  733.363705][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  733.363708][   T12]  _printk (kernel/printk/printk.c:2504)
[  733.363711][   T12]  ? snapshot_read.cold (user.c:?)
[  733.363714][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  733.363717][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  733.363719][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  733.363722][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  733.363724][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363725][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  733.363726][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  733.363729][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  733.363731][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  733.363732][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  733.363735][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  733.363737][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  733.363742][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  733.363744][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  733.363746][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  733.363749][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  733.363751][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  733.363753][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  733.363755][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  733.363757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363759][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  733.363760][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  733.363762][   T12]  process_one_work (kernel/workqueue.c:3387)
[  733.363765][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  733.363768][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  733.363770][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  733.363773][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  733.363775][   T12]  kthread (kernel/kthread.c:436)
[  733.363777][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  733.363779][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  733.363781][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  733.363782][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  733.363785][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  733.363788][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  733.363790][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  734.614008][T15930] softirqs last disabled at (0): 0x0
| [  734.614010][T15930] Preemption disabled at:
| [  734.614011][T15930] vprintk_emit (kernel/printk/printk.c:2471)
| [  734.614020][T15930] Tainted: [W]=WARN
[  734.614021][T15930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  734.614023][T15930] Call Trace:
[  734.614025][T15930]  <TASK>
[  734.614026][T15930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  734.614031][T15930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  734.614033][T15930]  __might_resched.cold (kernel/sched/core.c:9234)
[  734.614036][T15930]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  734.614038][T15930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  734.614042][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614044][T15930]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  734.614047][T15930]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.614050][T15930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.614055][T15930]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  734.614057][T15930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.614059][T15930]  put_chars (drivers/char/virtio_console.c:1176)
[  734.614061][T15930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  734.614062][T15930]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  734.614065][T15930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  734.614069][T15930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  734.614071][T15930]  ? vsnprintf (lib/vsprintf.c:2900)
[  734.614074][T15930]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.614076][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614077][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614079][T15930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  734.614082][T15930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  734.614084][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614085][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614086][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614087][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614089][T15930]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  734.614091][T15930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  734.614094][T15930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  734.614097][T15930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  734.614098][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614100][T15930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  734.614102][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614103][T15930]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.614104][T15930]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  734.614106][T15930]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  734.614107][T15930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  734.614110][T15930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  734.614111][T15930]  vprintk_emit (kernel/printk/printk.c:2479)
[  734.614113][T15930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  734.614114][T15930]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.614116][T15930]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.614119][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614120][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614122][T15930]  _printk (kernel/printk/printk.c:2504)
[  734.614125][T15930]  ? snapshot_read.cold (user.c:?)
[  734.614127][T15930]  ? br_multicast_flood (??:?)
[  734.614130][T15930]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.614133][T15930]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.614134][T15930]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.614136][T15930]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  734.614139][T15930]  br_init_port (net/bridge/br_stp_if.c:39)
[  734.614140][T15930]  new_nbp (net/bridge/br_if.c:449)
[  734.614143][T15930]  br_add_if (net/bridge/br_if.c:592)
[  734.614144][T15930]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  734.614149][T15930]  do_set_master (net/core/rtnetlink.c:3071)
[  734.614151][T15930]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.614152][T15930]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  734.614154][T15930]  ? __dev_get_by_name (net/core/dev.c:905)
[  734.614155][T15930]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  734.614159][T15930]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.614162][T15930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.614164][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614165][T15930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.614167][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614168][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614169][T15930]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  734.614172][T15930]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  734.614174][T15930]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  734.614176][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614177][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614179][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614180][T15930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.614182][T15930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.614183][T15930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.614185][T15930]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.614186][T15930]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  734.614190][T15930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.614193][T15930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.614194][T15930]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.614196][T15930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  734.614198][T15930]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  734.614201][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614202][T15930]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.614204][T15930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.614206][T15930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  734.614208][T15930]  ? next_uptodate_folio (mm/filemap.c:3747)
[  734.614211][T15930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.614213][T15930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  734.614215][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614217][T15930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  734.614220][T15930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.614223][T15930]  ____sys_sendmsg (net/socket.c:2713)
[  734.614225][T15930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  734.614227][T15930]  ? sock_write_iter (net/socket.c:1269)
[  734.614228][T15930]  ? move_addr_to_kernel (net/socket.c:258)
[  734.614230][T15930]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  734.614233][T15930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.614234][T15930]  ___sys_sendmsg (net/socket.c:2767)
[  734.614236][T15930]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  734.614238][T15930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  734.614239][T15930]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  734.614244][T15930]  __sys_sendmsg (net/socket.c:2799)
[  734.614246][T15930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  734.614249][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614250][T15930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.614251][T15930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.614254][T15930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  734.614256][T15930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.614258][T15930] RIP: 0033:0x7fd64d1d154e
[  734.614260][T15930] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  734.614262][T15930] RSP: 002b:00007ffc9346bdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  734.614265][T15930] RAX: ffffffffffffffda RBX: 00007ffc9346c598 RCX: 00007fd64d1d154e
[  734.614266][T15930] RDX: 0000000000000000 RSI: 00007ffc9346be80 RDI: 0000000000000005
[  734.614267][T15930] RBP: 00007ffc9346bde0 R08: 0000000000000000 R09: 0000000000000000
[  734.614268][T15930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112a3
[  734.614269][T15930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9346c550
| [  735.954662][T15998] softirqs last disabled at (0): 0x0
| [  735.954663][T15998] Preemption disabled at:
| [  735.954664][T15998] vprintk_emit (kernel/printk/printk.c:2471)
| [  735.954674][T15998] Tainted: [W]=WARN
[  735.954675][T15998] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  735.954676][T15998] Call Trace:
[  735.954678][T15998]  <TASK>
[  735.954679][T15998]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  735.954684][T15998]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  735.954686][T15998]  __might_resched.cold (kernel/sched/core.c:9234)
[  735.954690][T15998]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  735.954693][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954695][T15998]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  735.954698][T15998]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  735.954702][T15998]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  735.954706][T15998]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  735.954708][T15998]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  735.954711][T15998]  put_chars (drivers/char/virtio_console.c:1176)
[  735.954713][T15998]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  735.954714][T15998]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  735.954716][T15998]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  735.954719][T15998]  ? pointer (lib/vsprintf.c:2577)
[  735.954722][T15998]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  735.954727][T15998]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  735.954729][T15998]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  735.954731][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954733][T15998]  console_emit_next_record (kernel/printk/printk.c:3183)
[  735.954736][T15998]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  735.954738][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954739][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954740][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954741][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954744][T15998]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  735.954745][T15998]  console_flush_one_record (kernel/printk/printk.c:3268)
[  735.954748][T15998]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  735.954751][T15998]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  735.954753][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954755][T15998]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  735.954756][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954757][T15998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.954759][T15998]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  735.954760][T15998]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  735.954762][T15998]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  735.954764][T15998]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  735.954765][T15998]  vprintk_emit (kernel/printk/printk.c:2479)
[  735.954767][T15998]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  735.954768][T15998]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  735.954771][T15998]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  735.954774][T15998]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  735.954777][T15998]  _printk (kernel/printk/printk.c:2504)
[  735.954780][T15998]  ? snapshot_read.cold (user.c:?)
[  735.954782][T15998]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  735.954784][T15998]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  735.954787][T15998]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  735.954789][T15998]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.954792][T15998]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  735.954795][T15998]  ? netdev_notice (net/core/dev.c:13194)
[  735.954797][T15998]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  735.954799][T15998]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  735.954801][T15998]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  735.954803][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954804][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954805][T15998]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  735.954807][T15998]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  735.954808][T15998]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  735.954810][T15998]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.954811][T15998]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  735.954813][T15998]  ? register_netdev (net/core/dev.c:11618)
[  735.954814][T15998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.954816][T15998]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  735.954819][T15998]  ? __kernel_text_address (kernel/extable.c:79)
[  735.954822][T15998]  ? write_profile (profile.c:?)
[  735.954825][T15998]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  735.954828][T15998]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  735.954830][T15998]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  735.954832][T15998]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  735.954833][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954834][T15998]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  735.954838][T15998]  ? kasan_save_stack (mm/kasan/common.c:58)
[  735.954839][T15998]  ? kasan_save_stack (mm/kasan/common.c:57)
[  735.954841][T15998]  ? kasan_save_track (mm/kasan/common.c:78)
[  735.954842][T15998]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  735.954843][T15998]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  735.954844][T15998]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  735.954845][T15998]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  735.954847][T15998]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  735.954850][T15998]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  735.954851][T15998]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  735.954853][T15998]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  735.954856][T15998]  ? ____sys_sendmsg (net/socket.c:2713)
[  735.954857][T15998]  ? ___sys_sendmsg (net/socket.c:2767)
[  735.954858][T15998]  ? __sys_sendmsg (net/socket.c:2799)
[  735.954860][T15998]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  735.954863][T15998]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.954865][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954866][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954868][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954869][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954870][T15998]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  735.954871][T15998]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  735.954873][T15998]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  735.954874][T15998]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  735.954875][T15998]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  735.954877][T15998]  ? nla_get_range_signed (lib/nlattr.c:270)
[  735.954880][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954881][T15998]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  735.954883][T15998]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  735.954885][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954887][T15998]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.954888][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954889][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954891][T15998]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  735.954893][T15998]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  735.954894][T15998]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  735.954896][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954897][T15998]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  735.954900][T15998]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  735.954903][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954904][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954906][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954907][T15998]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  735.954909][T15998]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  735.954910][T15998]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  735.954912][T15998]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  735.954913][T15998]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  735.954916][T15998]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  735.954918][T15998]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  735.954919][T15998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.954921][T15998]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  735.954922][T15998]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  735.954926][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954927][T15998]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  735.954929][T15998]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  735.954931][T15998]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  735.954933][T15998]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.954935][T15998]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  735.954938][T15998]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  735.954939][T15998]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  735.954941][T15998]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  735.954943][T15998]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  735.954946][T15998]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  735.954948][T15998]  ____sys_sendmsg (net/socket.c:2713)
[  735.954949][T15998]  ? copy_msghdr_from_user (net/socket.c:2650)
[  735.954951][T15998]  ? sock_write_iter (net/socket.c:1269)
[  735.954953][T15998]  ? move_addr_to_kernel (net/socket.c:258)
[  735.954954][T15998]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  735.954957][T15998]  ___sys_sendmsg (net/socket.c:2767)
[  735.954959][T15998]  ? copy_msghdr_from_user (net/socket.c:2619)
[  735.954964][T15998]  __sys_sendmsg (net/socket.c:2799)
[  735.954966][T15998]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  735.954968][T15998]  ? 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)
[  735.954971][T15998]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  735.954972][T15998]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  735.954974][T15998]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  735.954976][T15998]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  735.954977][T15998] RIP: 0033:0x7f05667d254e
[  735.954979][T15998] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  735.954981][T15998] RSP: 002b:00007ffe67472a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  735.954985][T15998] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f05667d254e
[  735.954986][T15998] RDX: 0000000000000000 RSI: 00007ffe67472ab0 RDI: 0000000000000005
[  735.954987][T15998] RBP: 00007ffe67472a10 R08: 0000000000000000 R09: 0000000000000000
[  735.954988][T15998] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112a5
[  735.954989][T15998] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe67473170
| [  737.085653][T16056] softirqs last disabled at (0): 0x0
| [  737.085655][T16056] Preemption disabled at:
| [  737.085656][T16056] vprintk_emit (kernel/printk/printk.c:2471)
| [  737.085667][T16056] Tainted: [W]=WARN
[  737.085668][T16056] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  737.085669][T16056] Call Trace:
[  737.085671][T16056]  <TASK>
[  737.085672][T16056]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  737.085678][T16056]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  737.085680][T16056]  __might_resched.cold (kernel/sched/core.c:9234)
[  737.085683][T16056]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  737.085686][T16056]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  737.085689][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085692][T16056]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  737.085695][T16056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  737.085698][T16056]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  737.085703][T16056]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  737.085705][T16056]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  737.085708][T16056]  put_chars (drivers/char/virtio_console.c:1176)
[  737.085709][T16056]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  737.085711][T16056]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  737.085714][T16056]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  737.085719][T16056]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  737.085721][T16056]  ? vsnprintf (lib/vsprintf.c:2900)
[  737.085724][T16056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  737.085726][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085727][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085729][T16056]  console_emit_next_record (kernel/printk/printk.c:3183)
[  737.085732][T16056]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  737.085734][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085735][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085736][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085737][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085740][T16056]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  737.085742][T16056]  console_flush_one_record (kernel/printk/printk.c:3268)
[  737.085744][T16056]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  737.085747][T16056]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  737.085749][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085751][T16056]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  737.085753][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085754][T16056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  737.085755][T16056]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  737.085757][T16056]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  737.085759][T16056]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  737.085761][T16056]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  737.085762][T16056]  vprintk_emit (kernel/printk/printk.c:2479)
[  737.085764][T16056]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  737.085765][T16056]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  737.085767][T16056]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  737.085770][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085772][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085773][T16056]  _printk (kernel/printk/printk.c:2504)
[  737.085776][T16056]  ? snapshot_read.cold (user.c:?)
[  737.085778][T16056]  ? br_multicast_flood (??:?)
[  737.085782][T16056]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  737.085785][T16056]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  737.085786][T16056]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  737.085788][T16056]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  737.085791][T16056]  br_init_port (net/bridge/br_stp_if.c:39)
[  737.085792][T16056]  new_nbp (net/bridge/br_if.c:449)
[  737.085795][T16056]  br_add_if (net/bridge/br_if.c:592)
[  737.085796][T16056]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  737.085801][T16056]  do_set_master (net/core/rtnetlink.c:3071)
[  737.085803][T16056]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  737.085805][T16056]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  737.085806][T16056]  ? __dev_get_by_name (net/core/dev.c:905)
[  737.085808][T16056]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  737.085812][T16056]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  737.085814][T16056]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  737.085816][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085818][T16056]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.085819][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085821][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085822][T16056]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  737.085825][T16056]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  737.085827][T16056]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  737.085829][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085830][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085832][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085833][T16056]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  737.085835][T16056]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  737.085836][T16056]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  737.085838][T16056]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  737.085839][T16056]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  737.085843][T16056]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  737.085846][T16056]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  737.085848][T16056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  737.085850][T16056]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  737.085851][T16056]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  737.085854][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085855][T16056]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  737.085858][T16056]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  737.085860][T16056]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  737.085862][T16056]  ? next_uptodate_folio (mm/filemap.c:3747)
[  737.085865][T16056]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  737.085867][T16056]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  737.085869][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085871][T16056]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  737.085875][T16056]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  737.085877][T16056]  ____sys_sendmsg (net/socket.c:2713)
[  737.085879][T16056]  ? copy_msghdr_from_user (net/socket.c:2650)
[  737.085881][T16056]  ? sock_write_iter (net/socket.c:1269)
[  737.085883][T16056]  ? move_addr_to_kernel (net/socket.c:258)
[  737.085885][T16056]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  737.085887][T16056]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  737.085889][T16056]  ___sys_sendmsg (net/socket.c:2767)
[  737.085891][T16056]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  737.085893][T16056]  ? copy_msghdr_from_user (net/socket.c:2619)
[  737.085895][T16056]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  737.085899][T16056]  __sys_sendmsg (net/socket.c:2799)
[  737.085902][T16056]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  737.085904][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085905][T16056]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  737.085907][T16056]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  737.085910][T16056]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  737.085912][T16056]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  737.085914][T16056] RIP: 0033:0x7f230f6dd54e
[  737.085916][T16056] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  737.085918][T16056] RSP: 002b:00007ffe4f2c82e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  737.085922][T16056] RAX: ffffffffffffffda RBX: 00007ffe4f2c8aa8 RCX: 00007f230f6dd54e
[  737.085923][T16056] RDX: 0000000000000000 RSI: 00007ffe4f2c8390 RDI: 0000000000000005
[  737.085924][T16056] RBP: 00007ffe4f2c82f0 R08: 0000000000000000 R09: 0000000000000000
[  737.085925][T16056] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112a6
[  737.085926][T16056] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4f2c8a60
| [  743.574401][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  743.574403][   T12] Preemption disabled at:
| [  743.574404][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  743.574415][   T12] Tainted: [W]=WARN
[  743.574416][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  743.574418][   T12] Workqueue: netns cleanup_net
[  743.574423][   T12] Call Trace:
[  743.574425][   T12]  <TASK>
[  743.574427][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  743.574439][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  743.574441][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  743.574444][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  743.574446][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  743.574450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574453][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  743.574455][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.574459][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  743.574464][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  743.574465][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  743.574468][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  743.574470][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  743.574472][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  743.574474][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  743.574479][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  743.574481][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  743.574483][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.574485][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574486][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574488][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  743.574491][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  743.574493][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574494][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574501][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.574504][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  743.574506][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  743.574508][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  743.574511][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  743.574513][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.574515][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  743.574517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574518][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.574519][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  743.574521][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  743.574522][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  743.574525][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  743.574526][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  743.574528][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  743.574529][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  743.574531][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  743.574534][   T12]  ? kthread (kernel/kthread.c:436)
[  743.574536][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  743.574539][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  743.574542][   T12]  _printk (kernel/printk/printk.c:2504)
[  743.574545][   T12]  ? snapshot_read.cold (user.c:?)
[  743.574547][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  743.574551][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  743.574553][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  743.574555][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  743.574557][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574559][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  743.574560][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  743.574563][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  743.574564][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  743.574566][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  743.574568][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  743.574571][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  743.574575][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  743.574577][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  743.574580][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  743.574582][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  743.574584][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  743.574587][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  743.574589][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  743.574591][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.574592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.574594][   T12]  process_one_work (kernel/workqueue.c:3387)
[  743.574597][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  743.574600][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.574602][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  743.574605][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  743.574607][   T12]  kthread (kernel/kthread.c:436)
[  743.574609][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  743.574611][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  743.574613][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  743.574614][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  743.574616][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  743.574619][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  743.574621][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  744.803682][T16208] softirqs last disabled at (0): 0x0
| [  744.803684][T16208] Preemption disabled at:
| [  744.803684][T16208] vprintk_emit (kernel/printk/printk.c:2471)
| [  744.803694][T16208] Tainted: [W]=WARN
[  744.803695][T16208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  744.803697][T16208] Call Trace:
[  744.803698][T16208]  <TASK>
[  744.803700][T16208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  744.803705][T16208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  744.803707][T16208]  __might_resched.cold (kernel/sched/core.c:9234)
[  744.803711][T16208]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  744.803713][T16208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  744.803716][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803719][T16208]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  744.803722][T16208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.803725][T16208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.803730][T16208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  744.803732][T16208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.803735][T16208]  put_chars (drivers/char/virtio_console.c:1176)
[  744.803737][T16208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  744.803738][T16208]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  744.803741][T16208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  744.803746][T16208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  744.803748][T16208]  ? vsnprintf (lib/vsprintf.c:2900)
[  744.803751][T16208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.803752][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803753][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803755][T16208]  console_emit_next_record (kernel/printk/printk.c:3183)
[  744.803758][T16208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  744.803760][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803762][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803762][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803764][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803766][T16208]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  744.803768][T16208]  console_flush_one_record (kernel/printk/printk.c:3268)
[  744.803770][T16208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  744.803773][T16208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  744.803775][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803777][T16208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  744.803779][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803780][T16208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.803781][T16208]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  744.803783][T16208]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  744.803784][T16208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  744.803786][T16208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  744.803788][T16208]  vprintk_emit (kernel/printk/printk.c:2479)
[  744.803790][T16208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  744.803791][T16208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.803793][T16208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  744.803795][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803797][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803799][T16208]  _printk (kernel/printk/printk.c:2504)
[  744.803802][T16208]  ? snapshot_read.cold (user.c:?)
[  744.803804][T16208]  ? br_multicast_flood (??:?)
[  744.803808][T16208]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  744.803811][T16208]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  744.803812][T16208]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  744.803814][T16208]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  744.803817][T16208]  br_init_port (net/bridge/br_stp_if.c:39)
[  744.803819][T16208]  new_nbp (net/bridge/br_if.c:449)
[  744.803821][T16208]  br_add_if (net/bridge/br_if.c:592)
[  744.803823][T16208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  744.803827][T16208]  do_set_master (net/core/rtnetlink.c:3071)
[  744.803829][T16208]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  744.803831][T16208]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  744.803832][T16208]  ? __dev_get_by_name (net/core/dev.c:905)
[  744.803834][T16208]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  744.803838][T16208]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  744.803840][T16208]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  744.803842][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803844][T16208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  744.803845][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803847][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803848][T16208]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  744.803851][T16208]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  744.803853][T16208]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  744.803855][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803856][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803858][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803859][T16208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  744.803860][T16208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  744.803862][T16208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  744.803863][T16208]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  744.803865][T16208]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  744.803869][T16208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  744.803872][T16208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  744.803873][T16208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.803875][T16208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  744.803876][T16208]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  744.803880][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803881][T16208]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.803883][T16208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  744.803885][T16208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  744.803887][T16208]  ? next_uptodate_folio (mm/filemap.c:3747)
[  744.803890][T16208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  744.803893][T16208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  744.803895][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803896][T16208]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  744.803900][T16208]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  744.803903][T16208]  ____sys_sendmsg (net/socket.c:2713)
[  744.803905][T16208]  ? copy_msghdr_from_user (net/socket.c:2650)
[  744.803907][T16208]  ? sock_write_iter (net/socket.c:1269)
[  744.803908][T16208]  ? move_addr_to_kernel (net/socket.c:258)
[  744.803910][T16208]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  744.803913][T16208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.803915][T16208]  ___sys_sendmsg (net/socket.c:2767)
[  744.803916][T16208]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  744.803918][T16208]  ? copy_msghdr_from_user (net/socket.c:2619)
[  744.803920][T16208]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  744.803925][T16208]  __sys_sendmsg (net/socket.c:2799)
[  744.803927][T16208]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  744.803930][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803931][T16208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.803932][T16208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  744.803935][T16208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  744.803937][T16208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  744.803939][T16208] RIP: 0033:0x7f212fdc754e
[  744.803941][T16208] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  744.803943][T16208] RSP: 002b:00007fffe9b3d130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  744.803947][T16208] RAX: ffffffffffffffda RBX: 00007fffe9b3d8f8 RCX: 00007f212fdc754e
[  744.803948][T16208] RDX: 0000000000000000 RSI: 00007fffe9b3d1e0 RDI: 0000000000000005
[  744.803949][T16208] RBP: 00007fffe9b3d140 R08: 0000000000000000 R09: 0000000000000000
[  744.803950][T16208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112ae
[  744.803951][T16208] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe9b3d8b0
| [  746.145903][T16278] softirqs last disabled at (0): 0x0
| [  746.145905][T16278] Preemption disabled at:
| [  746.145906][T16278] vprintk_emit (kernel/printk/printk.c:2471)
| [  746.145916][T16278] Tainted: [W]=WARN
[  746.145917][T16278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  746.145919][T16278] Call Trace:
[  746.145920][T16278]  <TASK>
[  746.145921][T16278]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  746.145927][T16278]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  746.145928][T16278]  __might_resched.cold (kernel/sched/core.c:9234)
[  746.145932][T16278]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  746.145936][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.145938][T16278]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  746.145941][T16278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  746.145944][T16278]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  746.145949][T16278]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  746.145951][T16278]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  746.145954][T16278]  put_chars (drivers/char/virtio_console.c:1176)
[  746.145956][T16278]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  746.145957][T16278]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  746.145959][T16278]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  746.145962][T16278]  ? pointer (lib/vsprintf.c:2577)
[  746.145965][T16278]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  746.145970][T16278]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  746.145972][T16278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  746.145974][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.145976][T16278]  console_emit_next_record (kernel/printk/printk.c:3183)
[  746.145979][T16278]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  746.145981][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.145983][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.145984][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.145985][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.145987][T16278]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  746.145988][T16278]  console_flush_one_record (kernel/printk/printk.c:3268)
[  746.145991][T16278]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  746.145994][T16278]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  746.145996][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.145997][T16278]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  746.145999][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146000][T16278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.146002][T16278]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  746.146003][T16278]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  746.146005][T16278]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  746.146007][T16278]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  746.146009][T16278]  vprintk_emit (kernel/printk/printk.c:2479)
[  746.146010][T16278]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  746.146011][T16278]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  746.146014][T16278]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  746.146017][T16278]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  746.146020][T16278]  _printk (kernel/printk/printk.c:2504)
[  746.146023][T16278]  ? snapshot_read.cold (user.c:?)
[  746.146025][T16278]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  746.146027][T16278]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  746.146030][T16278]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  746.146032][T16278]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  746.146035][T16278]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  746.146037][T16278]  ? netdev_notice (net/core/dev.c:13194)
[  746.146040][T16278]  ? 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)
[  746.146041][T16278]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  746.146044][T16278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  746.146046][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146047][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146048][T16278]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  746.146050][T16278]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  746.146051][T16278]  ? 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)
[  746.146053][T16278]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  746.146054][T16278]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  746.146056][T16278]  ? register_netdev (net/core/dev.c:11618)
[  746.146057][T16278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.146059][T16278]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  746.146062][T16278]  ? __kernel_text_address (kernel/extable.c:79)
[  746.146064][T16278]  ? write_profile (profile.c:?)
[  746.146067][T16278]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  746.146071][T16278]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  746.146073][T16278]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  746.146074][T16278]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  746.146076][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146077][T16278]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  746.146080][T16278]  ? kasan_save_stack (mm/kasan/common.c:58)
[  746.146082][T16278]  ? kasan_save_stack (mm/kasan/common.c:57)
[  746.146083][T16278]  ? kasan_save_track (mm/kasan/common.c:78)
[  746.146084][T16278]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  746.146085][T16278]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  746.146086][T16278]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  746.146088][T16278]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  746.146089][T16278]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  746.146092][T16278]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  746.146093][T16278]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  746.146095][T16278]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  746.146097][T16278]  ? ____sys_sendmsg (net/socket.c:2713)
[  746.146099][T16278]  ? ___sys_sendmsg (net/socket.c:2767)
[  746.146100][T16278]  ? __sys_sendmsg (net/socket.c:2799)
[  746.146102][T16278]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  746.146105][T16278]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  746.146107][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146108][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.146110][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146111][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146112][T16278]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  746.146114][T16278]  ? __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)
[  746.146115][T16278]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  746.146116][T16278]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  746.146118][T16278]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  746.146119][T16278]  ? nla_get_range_signed (lib/nlattr.c:270)
[  746.146122][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146124][T16278]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  746.146126][T16278]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  746.146128][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146129][T16278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.146130][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.146132][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146133][T16278]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  746.146136][T16278]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  746.146137][T16278]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  746.146138][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146140][T16278]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  746.146143][T16278]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  746.146145][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146146][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.146148][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146149][T16278]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.146150][T16278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  746.146152][T16278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  746.146153][T16278]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  746.146155][T16278]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  746.146157][T16278]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  746.146159][T16278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  746.146161][T16278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.146162][T16278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  746.146164][T16278]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  746.146167][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146168][T16278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.146170][T16278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  746.146173][T16278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  746.146175][T16278]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  746.146177][T16278]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  746.146179][T16278]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  746.146180][T16278]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  746.146182][T16278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.146184][T16278]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  746.146187][T16278]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  746.146189][T16278]  ____sys_sendmsg (net/socket.c:2713)
[  746.146191][T16278]  ? copy_msghdr_from_user (net/socket.c:2650)
[  746.146192][T16278]  ? sock_write_iter (net/socket.c:1269)
[  746.146194][T16278]  ? move_addr_to_kernel (net/socket.c:258)
[  746.146196][T16278]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  746.146198][T16278]  ___sys_sendmsg (net/socket.c:2767)
[  746.146200][T16278]  ? copy_msghdr_from_user (net/socket.c:2619)
[  746.146205][T16278]  __sys_sendmsg (net/socket.c:2799)
[  746.146207][T16278]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  746.146210][T16278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.146212][T16278]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  746.146214][T16278]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  746.146216][T16278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  746.146217][T16278] RIP: 0033:0x7f717822a54e
[  746.146219][T16278] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  746.146221][T16278] RSP: 002b:00007fffb2e8a5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  746.146224][T16278] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f717822a54e
[  746.146226][T16278] RDX: 0000000000000000 RSI: 00007fffb2e8a6a0 RDI: 0000000000000005
[  746.146227][T16278] RBP: 00007fffb2e8a600 R08: 0000000000000000 R09: 0000000000000000
[  746.146228][T16278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112af
[  746.146229][T16278] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb2e8ad60
| [  747.198704][T16328] softirqs last disabled at (0): 0x0
| [  747.198706][T16328] Preemption disabled at:
| [  747.198707][T16328] vprintk_emit (kernel/printk/printk.c:2471)
| [  747.198717][T16328] Tainted: [W]=WARN
[  747.198718][T16328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  747.198720][T16328] Call Trace:
[  747.198721][T16328]  <TASK>
[  747.198722][T16328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  747.198728][T16328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  747.198729][T16328]  __might_resched.cold (kernel/sched/core.c:9234)
[  747.198733][T16328]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  747.198735][T16328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  747.198738][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198741][T16328]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  747.198744][T16328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.198747][T16328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.198752][T16328]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  747.198754][T16328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.198757][T16328]  put_chars (drivers/char/virtio_console.c:1176)
[  747.198758][T16328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  747.198760][T16328]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  747.198763][T16328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  747.198767][T16328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  747.198769][T16328]  ? vsnprintf (lib/vsprintf.c:2900)
[  747.198772][T16328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.198773][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198774][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198776][T16328]  console_emit_next_record (kernel/printk/printk.c:3183)
[  747.198779][T16328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  747.198781][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198782][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198783][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198784][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198786][T16328]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  747.198788][T16328]  console_flush_one_record (kernel/printk/printk.c:3268)
[  747.198790][T16328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  747.198793][T16328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  747.198795][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198797][T16328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  747.198798][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198799][T16328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.198801][T16328]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  747.198802][T16328]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  747.198804][T16328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  747.198806][T16328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  747.198807][T16328]  vprintk_emit (kernel/printk/printk.c:2479)
[  747.198809][T16328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  747.198810][T16328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.198812][T16328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  747.198815][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198816][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198818][T16328]  _printk (kernel/printk/printk.c:2504)
[  747.198820][T16328]  ? snapshot_read.cold (user.c:?)
[  747.198822][T16328]  ? br_multicast_flood (??:?)
[  747.198826][T16328]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  747.198828][T16328]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  747.198830][T16328]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  747.198831][T16328]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  747.198834][T16328]  br_init_port (net/bridge/br_stp_if.c:39)
[  747.198836][T16328]  new_nbp (net/bridge/br_if.c:449)
[  747.198838][T16328]  br_add_if (net/bridge/br_if.c:592)
[  747.198840][T16328]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  747.198844][T16328]  do_set_master (net/core/rtnetlink.c:3071)
[  747.198846][T16328]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  747.198848][T16328]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  747.198849][T16328]  ? __dev_get_by_name (net/core/dev.c:905)
[  747.198851][T16328]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  747.198855][T16328]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  747.198857][T16328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  747.198859][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198861][T16328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.198862][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198863][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198865][T16328]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  747.198868][T16328]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  747.198870][T16328]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  747.198872][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198873][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198875][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198876][T16328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.198877][T16328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  747.198879][T16328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.198880][T16328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  747.198882][T16328]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  747.198886][T16328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  747.198888][T16328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.198890][T16328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.198891][T16328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  747.198893][T16328]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  747.198896][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198897][T16328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.198899][T16328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  747.198901][T16328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  747.198903][T16328]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  747.198906][T16328]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  747.198908][T16328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  747.198911][T16328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  747.198913][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198914][T16328]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  747.198917][T16328]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  747.198920][T16328]  ____sys_sendmsg (net/socket.c:2713)
[  747.198922][T16328]  ? copy_msghdr_from_user (net/socket.c:2650)
[  747.198924][T16328]  ? sock_write_iter (net/socket.c:1269)
[  747.198925][T16328]  ? move_addr_to_kernel (net/socket.c:258)
[  747.198927][T16328]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  747.198930][T16328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.198932][T16328]  ___sys_sendmsg (net/socket.c:2767)
[  747.198933][T16328]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  747.198935][T16328]  ? copy_msghdr_from_user (net/socket.c:2619)
[  747.198937][T16328]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  747.198941][T16328]  __sys_sendmsg (net/socket.c:2799)
[  747.198943][T16328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  747.198946][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198947][T16328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.198948][T16328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  747.198951][T16328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  747.198952][T16328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  747.198954][T16328] RIP: 0033:0x7f2ac634654e
[  747.198956][T16328] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  747.198958][T16328] RSP: 002b:00007fff7d9982f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  747.198962][T16328] RAX: ffffffffffffffda RBX: 00007fff7d998ab8 RCX: 00007f2ac634654e
[  747.198963][T16328] RDX: 0000000000000000 RSI: 00007fff7d9983a0 RDI: 0000000000000005
[  747.198964][T16328] RBP: 00007fff7d998300 R08: 0000000000000000 R09: 0000000000000000
[  747.198965][T16328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112b0
[  747.198966][T16328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7d998a70
| [  753.652674][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  753.652676][   T12] Preemption disabled at:
| [  753.652677][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  753.652688][   T12] Tainted: [W]=WARN
[  753.652689][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  753.652691][   T12] Workqueue: netns cleanup_net
[  753.652696][   T12] Call Trace:
[  753.652698][   T12]  <TASK>
[  753.652699][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  753.652705][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  753.652706][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  753.652709][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  753.652712][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  753.652715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652718][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  753.652721][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  753.652724][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  753.652729][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  753.652730][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  753.652733][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  753.652735][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  753.652737][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  753.652739][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  753.652744][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  753.652746][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  753.652748][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  753.652750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652752][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  753.652755][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  753.652757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652758][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652759][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652760][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  753.652762][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  753.652764][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  753.652767][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  753.652769][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  753.652771][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  753.652773][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  753.652775][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652776][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  753.652777][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  753.652779][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  753.652780][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  753.652782][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  753.652784][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  753.652785][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  753.652786][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  753.652788][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  753.652791][   T12]  ? kthread (kernel/kthread.c:436)
[  753.652793][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  753.652796][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  753.652798][   T12]  _printk (kernel/printk/printk.c:2504)
[  753.652801][   T12]  ? snapshot_read.cold (user.c:?)
[  753.652804][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  753.652807][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  753.652809][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  753.652811][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  753.652813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652814][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  753.652816][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  753.652819][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  753.652821][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  753.652822][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  753.652824][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  753.652827][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  753.652831][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  753.652833][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  753.652835][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  753.652837][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  753.652839][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  753.652842][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  753.652844][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  753.652846][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  753.652848][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  753.652850][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.652852][   T12]  process_one_work (kernel/workqueue.c:3387)
[  753.652855][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  753.652857][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  753.652860][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  753.652863][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  753.652865][   T12]  kthread (kernel/kthread.c:436)
[  753.652866][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  753.652868][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  753.652870][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  753.652871][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  753.652873][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  753.652876][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  753.652878][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  754.825447][T16481] softirqs last disabled at (0): 0x0
| [  754.825449][T16481] Preemption disabled at:
| [  754.825450][T16481] vprintk_emit (kernel/printk/printk.c:2471)
| [  754.825460][T16481] Tainted: [W]=WARN
[  754.825461][T16481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  754.825462][T16481] Call Trace:
[  754.825464][T16481]  <TASK>
[  754.825465][T16481]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  754.825471][T16481]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  754.825472][T16481]  __might_resched.cold (kernel/sched/core.c:9234)
[  754.825481][T16481]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  754.825483][T16481]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  754.825487][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825489][T16481]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  754.825492][T16481]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.825495][T16481]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.825502][T16481]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  754.825504][T16481]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.825507][T16481]  put_chars (drivers/char/virtio_console.c:1176)
[  754.825508][T16481]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  754.825510][T16481]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  754.825513][T16481]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  754.825517][T16481]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  754.825519][T16481]  ? vsnprintf (lib/vsprintf.c:2900)
[  754.825522][T16481]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.825524][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825525][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825527][T16481]  console_emit_next_record (kernel/printk/printk.c:3183)
[  754.825530][T16481]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  754.825532][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825533][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825534][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825535][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825537][T16481]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  754.825539][T16481]  console_flush_one_record (kernel/printk/printk.c:3268)
[  754.825541][T16481]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  754.825544][T16481]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  754.825546][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825548][T16481]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  754.825549][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825550][T16481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.825552][T16481]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  754.825553][T16481]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  754.825555][T16481]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  754.825557][T16481]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  754.825558][T16481]  vprintk_emit (kernel/printk/printk.c:2479)
[  754.825560][T16481]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  754.825561][T16481]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.825563][T16481]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  754.825566][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825567][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825569][T16481]  _printk (kernel/printk/printk.c:2504)
[  754.825572][T16481]  ? snapshot_read.cold (user.c:?)
[  754.825574][T16481]  ? br_multicast_flood (??:?)
[  754.825577][T16481]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  754.825580][T16481]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  754.825581][T16481]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  754.825583][T16481]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  754.825586][T16481]  br_init_port (net/bridge/br_stp_if.c:39)
[  754.825588][T16481]  new_nbp (net/bridge/br_if.c:449)
[  754.825590][T16481]  br_add_if (net/bridge/br_if.c:592)
[  754.825592][T16481]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  754.825596][T16481]  do_set_master (net/core/rtnetlink.c:3071)
[  754.825598][T16481]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  754.825599][T16481]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  754.825601][T16481]  ? __dev_get_by_name (net/core/dev.c:905)
[  754.825603][T16481]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  754.825606][T16481]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  754.825609][T16481]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  754.825611][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825612][T16481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  754.825613][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825615][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825617][T16481]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  754.825619][T16481]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  754.825621][T16481]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  754.825623][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825624][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825626][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825627][T16481]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  754.825629][T16481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  754.825631][T16481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  754.825632][T16481]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  754.825633][T16481]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  754.825637][T16481]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  754.825640][T16481]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  754.825641][T16481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.825643][T16481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  754.825645][T16481]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  754.825648][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825649][T16481]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.825651][T16481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  754.825653][T16481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  754.825655][T16481]  ? next_uptodate_folio (mm/filemap.c:3747)
[  754.825658][T16481]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  754.825660][T16481]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  754.825662][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825664][T16481]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  754.825667][T16481]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  754.825670][T16481]  ____sys_sendmsg (net/socket.c:2713)
[  754.825672][T16481]  ? copy_msghdr_from_user (net/socket.c:2650)
[  754.825674][T16481]  ? sock_write_iter (net/socket.c:1269)
[  754.825675][T16481]  ? move_addr_to_kernel (net/socket.c:258)
[  754.825677][T16481]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  754.825680][T16481]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.825682][T16481]  ___sys_sendmsg (net/socket.c:2767)
[  754.825683][T16481]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  754.825685][T16481]  ? copy_msghdr_from_user (net/socket.c:2619)
[  754.825687][T16481]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  754.825691][T16481]  __sys_sendmsg (net/socket.c:2799)
[  754.825693][T16481]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  754.825696][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825697][T16481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.825698][T16481]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  754.825702][T16481]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  754.825704][T16481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  754.825706][T16481] RIP: 0033:0x7fda1ec7d54e
[  754.825708][T16481] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  754.825710][T16481] RSP: 002b:00007ffd682ad3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  754.825713][T16481] RAX: ffffffffffffffda RBX: 00007ffd682adbb8 RCX: 00007fda1ec7d54e
[  754.825714][T16481] RDX: 0000000000000000 RSI: 00007ffd682ad4a0 RDI: 0000000000000005
[  754.825715][T16481] RBP: 00007ffd682ad400 R08: 0000000000000000 R09: 0000000000000000
[  754.825716][T16481] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112b8
[  754.825717][T16481] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd682adb70
| [  756.114146][T16550] softirqs last disabled at (0): 0x0
| [  756.114147][T16550] Preemption disabled at:
| [  756.114148][T16550] vprintk_emit (kernel/printk/printk.c:2471)
| [  756.114158][T16550] Tainted: [W]=WARN
[  756.114159][T16550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  756.114161][T16550] Call Trace:
[  756.114162][T16550]  <TASK>
[  756.114163][T16550]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  756.114168][T16550]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  756.114170][T16550]  __might_resched.cold (kernel/sched/core.c:9234)
[  756.114173][T16550]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  756.114177][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114179][T16550]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  756.114182][T16550]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.114185][T16550]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.114190][T16550]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  756.114192][T16550]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.114194][T16550]  put_chars (drivers/char/virtio_console.c:1176)
[  756.114196][T16550]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  756.114197][T16550]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  756.114200][T16550]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  756.114202][T16550]  ? pointer (lib/vsprintf.c:2577)
[  756.114205][T16550]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  756.114210][T16550]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  756.114212][T16550]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.114214][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114216][T16550]  console_emit_next_record (kernel/printk/printk.c:3183)
[  756.114219][T16550]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  756.114221][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114222][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114223][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114224][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114226][T16550]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  756.114228][T16550]  console_flush_one_record (kernel/printk/printk.c:3268)
[  756.114231][T16550]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  756.114233][T16550]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  756.114235][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114237][T16550]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  756.114239][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114240][T16550]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.114241][T16550]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  756.114243][T16550]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  756.114244][T16550]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  756.114246][T16550]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  756.114248][T16550]  vprintk_emit (kernel/printk/printk.c:2479)
[  756.114249][T16550]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  756.114251][T16550]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  756.114253][T16550]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  756.114257][T16550]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  756.114259][T16550]  _printk (kernel/printk/printk.c:2504)
[  756.114262][T16550]  ? snapshot_read.cold (user.c:?)
[  756.114264][T16550]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  756.114266][T16550]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  756.114270][T16550]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  756.114271][T16550]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  756.114275][T16550]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  756.114277][T16550]  ? netdev_notice (net/core/dev.c:13194)
[  756.114279][T16550]  ? 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)
[  756.114281][T16550]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  756.114283][T16550]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.114285][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114286][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114287][T16550]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  756.114289][T16550]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  756.114290][T16550]  ? 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)
[  756.114291][T16550]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  756.114293][T16550]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  756.114294][T16550]  ? register_netdev (net/core/dev.c:11618)
[  756.114296][T16550]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.114298][T16550]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  756.114300][T16550]  ? __kernel_text_address (kernel/extable.c:79)
[  756.114303][T16550]  ? write_profile (profile.c:?)
[  756.114306][T16550]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  756.114309][T16550]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  756.114311][T16550]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  756.114313][T16550]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  756.114314][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114315][T16550]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  756.114318][T16550]  ? kasan_save_stack (mm/kasan/common.c:58)
[  756.114320][T16550]  ? kasan_save_stack (mm/kasan/common.c:57)
[  756.114321][T16550]  ? kasan_save_track (mm/kasan/common.c:78)
[  756.114322][T16550]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  756.114323][T16550]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  756.114324][T16550]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  756.114326][T16550]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  756.114327][T16550]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  756.114330][T16550]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  756.114331][T16550]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  756.114333][T16550]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  756.114335][T16550]  ? ____sys_sendmsg (net/socket.c:2713)
[  756.114337][T16550]  ? ___sys_sendmsg (net/socket.c:2767)
[  756.114338][T16550]  ? __sys_sendmsg (net/socket.c:2799)
[  756.114340][T16550]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  756.114342][T16550]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.114345][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114346][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114347][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114348][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114350][T16550]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  756.114351][T16550]  ? __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)
[  756.114352][T16550]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  756.114353][T16550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  756.114355][T16550]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  756.114356][T16550]  ? nla_get_range_signed (lib/nlattr.c:270)
[  756.114360][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114361][T16550]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  756.114363][T16550]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  756.114365][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114366][T16550]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.114367][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114369][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114370][T16550]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  756.114372][T16550]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  756.114374][T16550]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  756.114375][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114376][T16550]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  756.114380][T16550]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  756.114382][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114383][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114385][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114386][T16550]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.114387][T16550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  756.114389][T16550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.114390][T16550]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.114392][T16550]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  756.114394][T16550]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  756.114396][T16550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.114397][T16550]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.114399][T16550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  756.114401][T16550]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  756.114404][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114405][T16550]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.114407][T16550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  756.114409][T16550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  756.114411][T16550]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.114413][T16550]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  756.114415][T16550]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  756.114417][T16550]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  756.114418][T16550]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.114420][T16550]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  756.114423][T16550]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  756.114425][T16550]  ____sys_sendmsg (net/socket.c:2713)
[  756.114427][T16550]  ? copy_msghdr_from_user (net/socket.c:2650)
[  756.114428][T16550]  ? sock_write_iter (net/socket.c:1269)
[  756.114430][T16550]  ? move_addr_to_kernel (net/socket.c:258)
[  756.114431][T16550]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.114434][T16550]  ___sys_sendmsg (net/socket.c:2767)
[  756.114435][T16550]  ? copy_msghdr_from_user (net/socket.c:2619)
[  756.114440][T16550]  __sys_sendmsg (net/socket.c:2799)
[  756.114442][T16550]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  756.114445][T16550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.114446][T16550]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  756.114448][T16550]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  756.114450][T16550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.114452][T16550] RIP: 0033:0x7f054060c54e
[  756.114453][T16550] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  756.114455][T16550] RSP: 002b:00007fff39667d90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  756.114459][T16550] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f054060c54e
[  756.114460][T16550] RDX: 0000000000000000 RSI: 00007fff39667e40 RDI: 0000000000000005
[  756.114461][T16550] RBP: 00007fff39667da0 R08: 0000000000000000 R09: 0000000000000000
[  756.114462][T16550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112b9
[  756.114463][T16550] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff39668500
| [  757.173359][T16600] softirqs last disabled at (0): 0x0
| [  757.173361][T16600] Preemption disabled at:
| [  757.173361][T16600] vprintk_emit (kernel/printk/printk.c:2471)
| [  757.173372][T16600] Tainted: [W]=WARN
[  757.173372][T16600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  757.173374][T16600] Call Trace:
[  757.173376][T16600]  <TASK>
[  757.173377][T16600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  757.173382][T16600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  757.173384][T16600]  __might_resched.cold (kernel/sched/core.c:9234)
[  757.173387][T16600]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  757.173390][T16600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  757.173393][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173396][T16600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  757.173399][T16600]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.173402][T16600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.173407][T16600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  757.173408][T16600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.173411][T16600]  put_chars (drivers/char/virtio_console.c:1176)
[  757.173413][T16600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  757.173414][T16600]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  757.173417][T16600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  757.173422][T16600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  757.173423][T16600]  ? vsnprintf (lib/vsprintf.c:2900)
[  757.173427][T16600]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.173428][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173429][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173431][T16600]  console_emit_next_record (kernel/printk/printk.c:3183)
[  757.173434][T16600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  757.173436][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173437][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173438][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173439][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173442][T16600]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  757.173444][T16600]  console_flush_one_record (kernel/printk/printk.c:3268)
[  757.173446][T16600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  757.173449][T16600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  757.173451][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173452][T16600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  757.173454][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173455][T16600]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.173457][T16600]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  757.173458][T16600]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  757.173460][T16600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  757.173462][T16600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  757.173463][T16600]  vprintk_emit (kernel/printk/printk.c:2479)
[  757.173465][T16600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  757.173466][T16600]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.173468][T16600]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  757.173471][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173473][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173474][T16600]  _printk (kernel/printk/printk.c:2504)
[  757.173477][T16600]  ? snapshot_read.cold (user.c:?)
[  757.173479][T16600]  ? br_multicast_flood (??:?)
[  757.173487][T16600]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  757.173490][T16600]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  757.173491][T16600]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.173493][T16600]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  757.173496][T16600]  br_init_port (net/bridge/br_stp_if.c:39)
[  757.173500][T16600]  new_nbp (net/bridge/br_if.c:449)
[  757.173502][T16600]  br_add_if (net/bridge/br_if.c:592)
[  757.173504][T16600]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  757.173508][T16600]  do_set_master (net/core/rtnetlink.c:3071)
[  757.173510][T16600]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  757.173512][T16600]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  757.173513][T16600]  ? __dev_get_by_name (net/core/dev.c:905)
[  757.173515][T16600]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  757.173519][T16600]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  757.173521][T16600]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.173523][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173524][T16600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.173526][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173527][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173529][T16600]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  757.173531][T16600]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  757.173533][T16600]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  757.173535][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173536][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173538][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173539][T16600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.173540][T16600]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  757.173542][T16600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.173544][T16600]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  757.173545][T16600]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  757.173549][T16600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  757.173552][T16600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.173553][T16600]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.173555][T16600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  757.173556][T16600]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  757.173559][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173560][T16600]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.173563][T16600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  757.173565][T16600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  757.173567][T16600]  ? next_uptodate_folio (mm/filemap.c:3747)
[  757.173570][T16600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  757.173572][T16600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  757.173574][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173576][T16600]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  757.173579][T16600]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  757.173582][T16600]  ____sys_sendmsg (net/socket.c:2713)
[  757.173584][T16600]  ? copy_msghdr_from_user (net/socket.c:2650)
[  757.173585][T16600]  ? sock_write_iter (net/socket.c:1269)
[  757.173587][T16600]  ? move_addr_to_kernel (net/socket.c:258)
[  757.173589][T16600]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  757.173591][T16600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.173593][T16600]  ___sys_sendmsg (net/socket.c:2767)
[  757.173595][T16600]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  757.173597][T16600]  ? copy_msghdr_from_user (net/socket.c:2619)
[  757.173599][T16600]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  757.173603][T16600]  __sys_sendmsg (net/socket.c:2799)
[  757.173605][T16600]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  757.173608][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173609][T16600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.173611][T16600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  757.173613][T16600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  757.173615][T16600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  757.173617][T16600] RIP: 0033:0x7f537e6ba54e
[  757.173619][T16600] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  757.173621][T16600] RSP: 002b:00007ffc7a6f0b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  757.173625][T16600] RAX: ffffffffffffffda RBX: 00007ffc7a6f1308 RCX: 00007f537e6ba54e
[  757.173626][T16600] RDX: 0000000000000000 RSI: 00007ffc7a6f0bf0 RDI: 0000000000000005
[  757.173627][T16600] RBP: 00007ffc7a6f0b50 R08: 0000000000000000 R09: 0000000000000000
[  757.173628][T16600] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112ba
[  757.173629][T16600] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7a6f12c0
| [  763.617900][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  763.617902][   T12] Preemption disabled at:
| [  763.617903][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  763.617914][   T12] Tainted: [W]=WARN
[  763.617915][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  763.617917][   T12] Workqueue: netns cleanup_net
[  763.617922][   T12] Call Trace:
[  763.617923][   T12]  <TASK>
[  763.617925][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  763.617931][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  763.617932][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  763.617936][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  763.617938][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  763.617941][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.617944][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  763.617947][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  763.617950][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  763.617955][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  763.617956][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  763.617959][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  763.617961][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  763.617962][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  763.617965][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  763.617970][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  763.617971][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  763.617974][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  763.617976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.617977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.617979][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  763.617981][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  763.617983][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.617984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.617985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.617986][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  763.617989][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  763.617991][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  763.617993][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  763.617996][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  763.617998][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  763.617999][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  763.618001][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.618002][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  763.618004][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  763.618005][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  763.618007][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  763.618009][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  763.618010][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  763.618012][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  763.618013][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  763.618015][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  763.618017][   T12]  ? kthread (kernel/kthread.c:436)
[  763.618019][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  763.618022][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  763.618025][   T12]  _printk (kernel/printk/printk.c:2504)
[  763.618028][   T12]  ? snapshot_read.cold (user.c:?)
[  763.618030][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  763.618033][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  763.618036][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  763.618038][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  763.618040][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.618041][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  763.618042][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  763.618045][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  763.618047][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  763.618048][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  763.618050][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  763.618053][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  763.618057][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  763.618059][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  763.618061][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  763.618064][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  763.618065][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  763.618068][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  763.618070][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  763.618072][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  763.618074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  763.618075][   T12]  process_one_work (kernel/workqueue.c:3387)
[  763.618078][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  763.618081][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  763.618083][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  763.618087][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  763.618088][   T12]  kthread (kernel/kthread.c:436)
[  763.618090][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  763.618092][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  763.618094][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  763.618096][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  763.618098][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  763.618101][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  763.618102][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  764.818341][T16754] softirqs last disabled at (0): 0x0
| [  764.818343][T16754] Preemption disabled at:
| [  764.818344][T16754] vprintk_emit (kernel/printk/printk.c:2471)
| [  764.818354][T16754] Tainted: [W]=WARN
[  764.818355][T16754] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  764.818357][T16754] Call Trace:
[  764.818358][T16754]  <TASK>
[  764.818360][T16754]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  764.818365][T16754]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  764.818366][T16754]  __might_resched.cold (kernel/sched/core.c:9234)
[  764.818370][T16754]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  764.818372][T16754]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  764.818376][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818378][T16754]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  764.818381][T16754]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.818384][T16754]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  764.818389][T16754]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  764.818391][T16754]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  764.818394][T16754]  put_chars (drivers/char/virtio_console.c:1176)
[  764.818395][T16754]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  764.818397][T16754]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  764.818400][T16754]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  764.818404][T16754]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  764.818406][T16754]  ? vsnprintf (lib/vsprintf.c:2900)
[  764.818409][T16754]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.818411][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818412][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818413][T16754]  console_emit_next_record (kernel/printk/printk.c:3183)
[  764.818416][T16754]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  764.818418][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818420][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818420][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818421][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818424][T16754]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  764.818426][T16754]  console_flush_one_record (kernel/printk/printk.c:3268)
[  764.818428][T16754]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  764.818431][T16754]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  764.818433][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818434][T16754]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  764.818436][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818437][T16754]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  764.818439][T16754]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  764.818440][T16754]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  764.818442][T16754]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  764.818443][T16754]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  764.818445][T16754]  vprintk_emit (kernel/printk/printk.c:2479)
[  764.818447][T16754]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  764.818448][T16754]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.818449][T16754]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  764.818452][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818454][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818455][T16754]  _printk (kernel/printk/printk.c:2504)
[  764.818458][T16754]  ? snapshot_read.cold (user.c:?)
[  764.818460][T16754]  ? br_multicast_flood (??:?)
[  764.818464][T16754]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  764.818467][T16754]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  764.818468][T16754]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  764.818470][T16754]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  764.818472][T16754]  br_init_port (net/bridge/br_stp_if.c:39)
[  764.818474][T16754]  new_nbp (net/bridge/br_if.c:449)
[  764.818476][T16754]  br_add_if (net/bridge/br_if.c:592)
[  764.818478][T16754]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  764.818482][T16754]  do_set_master (net/core/rtnetlink.c:3071)
[  764.818484][T16754]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  764.818486][T16754]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  764.818487][T16754]  ? __dev_get_by_name (net/core/dev.c:905)
[  764.818489][T16754]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  764.818493][T16754]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  764.818495][T16754]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  764.818500][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818501][T16754]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  764.818502][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818504][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818505][T16754]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  764.818508][T16754]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  764.818514][T16754]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  764.818517][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818518][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818519][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818520][T16754]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  764.818522][T16754]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  764.818523][T16754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  764.818525][T16754]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  764.818526][T16754]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  764.818530][T16754]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  764.818533][T16754]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  764.818535][T16754]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  764.818536][T16754]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  764.818538][T16754]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  764.818541][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818542][T16754]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  764.818544][T16754]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  764.818546][T16754]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  764.818548][T16754]  ? next_uptodate_folio (mm/filemap.c:3747)
[  764.818551][T16754]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  764.818554][T16754]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  764.818556][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818557][T16754]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  764.818560][T16754]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  764.818563][T16754]  ____sys_sendmsg (net/socket.c:2713)
[  764.818565][T16754]  ? copy_msghdr_from_user (net/socket.c:2650)
[  764.818567][T16754]  ? sock_write_iter (net/socket.c:1269)
[  764.818568][T16754]  ? move_addr_to_kernel (net/socket.c:258)
[  764.818570][T16754]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  764.818573][T16754]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.818575][T16754]  ___sys_sendmsg (net/socket.c:2767)
[  764.818576][T16754]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  764.818578][T16754]  ? copy_msghdr_from_user (net/socket.c:2619)
[  764.818580][T16754]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  764.818584][T16754]  __sys_sendmsg (net/socket.c:2799)
[  764.818586][T16754]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  764.818589][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818590][T16754]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.818591][T16754]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  764.818594][T16754]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  764.818596][T16754]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  764.818598][T16754] RIP: 0033:0x7f2d741bd54e
[  764.818599][T16754] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  764.818601][T16754] RSP: 002b:00007ffd7f0c97a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  764.818605][T16754] RAX: ffffffffffffffda RBX: 00007ffd7f0c9f68 RCX: 00007f2d741bd54e
[  764.818606][T16754] RDX: 0000000000000000 RSI: 00007ffd7f0c9850 RDI: 0000000000000005
[  764.818607][T16754] RBP: 00007ffd7f0c97b0 R08: 0000000000000000 R09: 0000000000000000
[  764.818608][T16754] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112c2
[  764.818609][T16754] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7f0c9f20
| [  766.111118][T16823] softirqs last disabled at (0): 0x0
| [  766.111119][T16823] Preemption disabled at:
| [  766.111120][T16823] vprintk_emit (kernel/printk/printk.c:2471)
| [  766.111130][T16823] Tainted: [W]=WARN
[  766.111131][T16823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  766.111133][T16823] Call Trace:
[  766.111134][T16823]  <TASK>
[  766.111136][T16823]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  766.111141][T16823]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  766.111143][T16823]  __might_resched.cold (kernel/sched/core.c:9234)
[  766.111147][T16823]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  766.111150][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111153][T16823]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  766.111155][T16823]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.111159][T16823]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.111163][T16823]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  766.111165][T16823]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  766.111168][T16823]  put_chars (drivers/char/virtio_console.c:1176)
[  766.111170][T16823]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  766.111171][T16823]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  766.111173][T16823]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  766.111175][T16823]  ? pointer (lib/vsprintf.c:2577)
[  766.111178][T16823]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  766.111183][T16823]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  766.111185][T16823]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.111187][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111189][T16823]  console_emit_next_record (kernel/printk/printk.c:3183)
[  766.111192][T16823]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  766.111194][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111195][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111196][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111197][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111199][T16823]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  766.111201][T16823]  console_flush_one_record (kernel/printk/printk.c:3268)
[  766.111203][T16823]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  766.111206][T16823]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  766.111207][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111209][T16823]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  766.111211][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111212][T16823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  766.111213][T16823]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  766.111215][T16823]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  766.111216][T16823]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  766.111218][T16823]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  766.111219][T16823]  vprintk_emit (kernel/printk/printk.c:2479)
[  766.111221][T16823]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  766.111222][T16823]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  766.111225][T16823]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  766.111228][T16823]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  766.111230][T16823]  _printk (kernel/printk/printk.c:2504)
[  766.111233][T16823]  ? snapshot_read.cold (user.c:?)
[  766.111235][T16823]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  766.111237][T16823]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  766.111240][T16823]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  766.111242][T16823]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  766.111245][T16823]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  766.111248][T16823]  ? netdev_notice (net/core/dev.c:13194)
[  766.111250][T16823]  ? 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)
[  766.111251][T16823]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  766.111254][T16823]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  766.111256][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111257][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111258][T16823]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  766.111259][T16823]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  766.111261][T16823]  ? 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)
[  766.111262][T16823]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  766.111263][T16823]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  766.111265][T16823]  ? register_netdev (net/core/dev.c:11618)
[  766.111266][T16823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  766.111268][T16823]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  766.111271][T16823]  ? __kernel_text_address (kernel/extable.c:79)
[  766.111273][T16823]  ? write_profile (profile.c:?)
[  766.111276][T16823]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  766.111280][T16823]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  766.111282][T16823]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  766.111284][T16823]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  766.111285][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111286][T16823]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  766.111289][T16823]  ? kasan_save_stack (mm/kasan/common.c:58)
[  766.111291][T16823]  ? kasan_save_stack (mm/kasan/common.c:57)
[  766.111292][T16823]  ? kasan_save_track (mm/kasan/common.c:78)
[  766.111293][T16823]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  766.111294][T16823]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  766.111296][T16823]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  766.111297][T16823]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  766.111298][T16823]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  766.111301][T16823]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  766.111302][T16823]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  766.111304][T16823]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  766.111306][T16823]  ? ____sys_sendmsg (net/socket.c:2713)
[  766.111308][T16823]  ? ___sys_sendmsg (net/socket.c:2767)
[  766.111309][T16823]  ? __sys_sendmsg (net/socket.c:2799)
[  766.111311][T16823]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  766.111313][T16823]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  766.111315][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111317][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111318][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111319][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111320][T16823]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  766.111321][T16823]  ? __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)
[  766.111323][T16823]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  766.111324][T16823]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  766.111325][T16823]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  766.111326][T16823]  ? nla_get_range_signed (lib/nlattr.c:270)
[  766.111330][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111331][T16823]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  766.111333][T16823]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  766.111335][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111336][T16823]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  766.111337][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111338][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111340][T16823]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  766.111342][T16823]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  766.111343][T16823]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  766.111345][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111346][T16823]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  766.111349][T16823]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  766.111351][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111352][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111354][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111355][T16823]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  766.111356][T16823]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  766.111358][T16823]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  766.111359][T16823]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  766.111361][T16823]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  766.111363][T16823]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  766.111365][T16823]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  766.111366][T16823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  766.111368][T16823]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  766.111369][T16823]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  766.111372][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111374][T16823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  766.111376][T16823]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  766.111378][T16823]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  766.111379][T16823]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  766.111381][T16823]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  766.111384][T16823]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  766.111385][T16823]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  766.111387][T16823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  766.111388][T16823]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  766.111391][T16823]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  766.111393][T16823]  ____sys_sendmsg (net/socket.c:2713)
[  766.111395][T16823]  ? copy_msghdr_from_user (net/socket.c:2650)
[  766.111397][T16823]  ? sock_write_iter (net/socket.c:1269)
[  766.111398][T16823]  ? move_addr_to_kernel (net/socket.c:258)
[  766.111400][T16823]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  766.111402][T16823]  ___sys_sendmsg (net/socket.c:2767)
[  766.111404][T16823]  ? copy_msghdr_from_user (net/socket.c:2619)
[  766.111409][T16823]  __sys_sendmsg (net/socket.c:2799)
[  766.111410][T16823]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  766.111413][T16823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  766.111415][T16823]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  766.111417][T16823]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  766.111419][T16823]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  766.111420][T16823] RIP: 0033:0x7f77bfd1f54e
[  766.111422][T16823] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  766.111424][T16823] RSP: 002b:00007ffc95151e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  766.111427][T16823] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f77bfd1f54e
[  766.111429][T16823] RDX: 0000000000000000 RSI: 00007ffc95151f10 RDI: 0000000000000005
[  766.111430][T16823] RBP: 00007ffc95151e70 R08: 0000000000000000 R09: 0000000000000000
[  766.111431][T16823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112c3
[  766.111432][T16823] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc951525d0
| [  767.177355][T16873] softirqs last disabled at (0): 0x0
| [  767.177357][T16873] Preemption disabled at:
| [  767.177358][T16873] vprintk_emit (kernel/printk/printk.c:2471)
| [  767.177368][T16873] Tainted: [W]=WARN
[  767.177369][T16873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  767.177371][T16873] Call Trace:
[  767.177373][T16873]  <TASK>
[  767.177374][T16873]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  767.177380][T16873]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  767.177381][T16873]  __might_resched.cold (kernel/sched/core.c:9234)
[  767.177385][T16873]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  767.177387][T16873]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  767.177390][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177393][T16873]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  767.177396][T16873]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.177399][T16873]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.177404][T16873]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  767.177406][T16873]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.177409][T16873]  put_chars (drivers/char/virtio_console.c:1176)
[  767.177410][T16873]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  767.177412][T16873]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  767.177415][T16873]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  767.177419][T16873]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  767.177421][T16873]  ? vsnprintf (lib/vsprintf.c:2900)
[  767.177424][T16873]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.177426][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177427][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177429][T16873]  console_emit_next_record (kernel/printk/printk.c:3183)
[  767.177431][T16873]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  767.177433][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177435][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177435][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177437][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177439][T16873]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  767.177441][T16873]  console_flush_one_record (kernel/printk/printk.c:3268)
[  767.177443][T16873]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  767.177446][T16873]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  767.177448][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177449][T16873]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  767.177451][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177452][T16873]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.177454][T16873]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  767.177455][T16873]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  767.177457][T16873]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  767.177459][T16873]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  767.177460][T16873]  vprintk_emit (kernel/printk/printk.c:2479)
[  767.177462][T16873]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  767.177463][T16873]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.177465][T16873]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.177467][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177469][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177470][T16873]  _printk (kernel/printk/printk.c:2504)
[  767.177473][T16873]  ? snapshot_read.cold (user.c:?)
[  767.177476][T16873]  ? br_multicast_flood (??:?)
[  767.177479][T16873]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.177482][T16873]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.177483][T16873]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.177485][T16873]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  767.177488][T16873]  br_init_port (net/bridge/br_stp_if.c:39)
[  767.177490][T16873]  new_nbp (net/bridge/br_if.c:449)
[  767.177492][T16873]  br_add_if (net/bridge/br_if.c:592)
[  767.177494][T16873]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  767.177500][T16873]  do_set_master (net/core/rtnetlink.c:3071)
[  767.177502][T16873]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.177504][T16873]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  767.177505][T16873]  ? __dev_get_by_name (net/core/dev.c:905)
[  767.177507][T16873]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  767.177511][T16873]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.177513][T16873]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.177515][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177516][T16873]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.177518][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177524][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177525][T16873]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  767.177528][T16873]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  767.177530][T16873]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  767.177532][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177533][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177535][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177536][T16873]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.177538][T16873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  767.177540][T16873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.177541][T16873]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.177543][T16873]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  767.177546][T16873]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  767.177549][T16873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.177551][T16873]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.177552][T16873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  767.177554][T16873]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  767.177557][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177558][T16873]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.177560][T16873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  767.177562][T16873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  767.177564][T16873]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  767.177567][T16873]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  767.177569][T16873]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  767.177572][T16873]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  767.177574][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177575][T16873]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  767.177579][T16873]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  767.177582][T16873]  ____sys_sendmsg (net/socket.c:2713)
[  767.177583][T16873]  ? copy_msghdr_from_user (net/socket.c:2650)
[  767.177585][T16873]  ? sock_write_iter (net/socket.c:1269)
[  767.177587][T16873]  ? move_addr_to_kernel (net/socket.c:258)
[  767.177589][T16873]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  767.177592][T16873]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.177593][T16873]  ___sys_sendmsg (net/socket.c:2767)
[  767.177595][T16873]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  767.177597][T16873]  ? copy_msghdr_from_user (net/socket.c:2619)
[  767.177599][T16873]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  767.177603][T16873]  __sys_sendmsg (net/socket.c:2799)
[  767.177605][T16873]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  767.177608][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177609][T16873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.177610][T16873]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  767.177613][T16873]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  767.177615][T16873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  767.177617][T16873] RIP: 0033:0x7f6a2b83754e
[  767.177619][T16873] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  767.177621][T16873] RSP: 002b:00007ffeab71c490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  767.177624][T16873] RAX: ffffffffffffffda RBX: 00007ffeab71cc58 RCX: 00007f6a2b83754e
[  767.177625][T16873] RDX: 0000000000000000 RSI: 00007ffeab71c540 RDI: 0000000000000005
[  767.177627][T16873] RBP: 00007ffeab71c4a0 R08: 0000000000000000 R09: 0000000000000000
[  767.177627][T16873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112c4
[  767.177628][T16873] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeab71cc10
| [  773.641519][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  773.641521][   T12] Preemption disabled at:
| [  773.641522][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  773.641533][   T12] Tainted: [W]=WARN
[  773.641534][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  773.641535][   T12] Workqueue: netns cleanup_net
[  773.641540][   T12] Call Trace:
[  773.641548][   T12]  <TASK>
[  773.641550][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  773.641555][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  773.641557][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  773.641560][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  773.641562][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  773.641566][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641568][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  773.641571][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  773.641574][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  773.641579][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  773.641580][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  773.641583][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  773.641585][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  773.641587][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  773.641589][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  773.641594][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  773.641596][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  773.641598][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  773.641600][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641601][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641603][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  773.641606][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  773.641608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641609][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641611][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.641613][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  773.641615][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  773.641618][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  773.641620][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  773.641622][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.641624][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  773.641626][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641627][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  773.641628][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  773.641630][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  773.641631][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  773.641633][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  773.641634][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  773.641636][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  773.641637][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  773.641639][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  773.641642][   T12]  ? kthread (kernel/kthread.c:436)
[  773.641644][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  773.641647][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  773.641649][   T12]  _printk (kernel/printk/printk.c:2504)
[  773.641652][   T12]  ? snapshot_read.cold (user.c:?)
[  773.641654][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  773.641658][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  773.641660][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  773.641662][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  773.641664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641665][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  773.641667][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  773.641670][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  773.641671][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  773.641672][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  773.641675][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  773.641677][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  773.641681][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  773.641683][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  773.641686][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  773.641688][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  773.641690][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  773.641692][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  773.641694][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  773.641696][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  773.641698][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  773.641699][   T12]  process_one_work (kernel/workqueue.c:3387)
[  773.641702][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  773.641705][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  773.641707][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  773.641710][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  773.641712][   T12]  kthread (kernel/kthread.c:436)
[  773.641714][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  773.641716][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  773.641718][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  773.641719][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  773.641721][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  773.641724][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  773.641726][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  774.817474][T17025] softirqs last disabled at (0): 0x0
| [  774.817476][T17025] Preemption disabled at:
| [  774.817477][T17025] vprintk_emit (kernel/printk/printk.c:2471)
| [  774.817487][T17025] Tainted: [W]=WARN
[  774.817488][T17025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  774.817490][T17025] Call Trace:
[  774.817492][T17025]  <TASK>
[  774.817493][T17025]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  774.817501][T17025]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  774.817503][T17025]  __might_resched.cold (kernel/sched/core.c:9234)
[  774.817506][T17025]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  774.817509][T17025]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  774.817512][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817514][T17025]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  774.817517][T17025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  774.817520][T17025]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  774.817525][T17025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  774.817527][T17025]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  774.817530][T17025]  put_chars (drivers/char/virtio_console.c:1176)
[  774.817531][T17025]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  774.817533][T17025]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  774.817536][T17025]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  774.817541][T17025]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  774.817542][T17025]  ? vsnprintf (lib/vsprintf.c:2900)
[  774.817545][T17025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  774.817551][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817552][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817554][T17025]  console_emit_next_record (kernel/printk/printk.c:3183)
[  774.817557][T17025]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  774.817559][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817560][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817561][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817562][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817564][T17025]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  774.817566][T17025]  console_flush_one_record (kernel/printk/printk.c:3268)
[  774.817569][T17025]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  774.817571][T17025]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  774.817573][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817575][T17025]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  774.817577][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817578][T17025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  774.817579][T17025]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  774.817581][T17025]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  774.817582][T17025]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  774.817584][T17025]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  774.817586][T17025]  vprintk_emit (kernel/printk/printk.c:2479)
[  774.817588][T17025]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  774.817589][T17025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  774.817590][T17025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  774.817593][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817595][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817596][T17025]  _printk (kernel/printk/printk.c:2504)
[  774.817599][T17025]  ? snapshot_read.cold (user.c:?)
[  774.817601][T17025]  ? br_multicast_flood (??:?)
[  774.817605][T17025]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  774.817607][T17025]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  774.817608][T17025]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  774.817610][T17025]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  774.817613][T17025]  br_init_port (net/bridge/br_stp_if.c:39)
[  774.817615][T17025]  new_nbp (net/bridge/br_if.c:449)
[  774.817617][T17025]  br_add_if (net/bridge/br_if.c:592)
[  774.817619][T17025]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  774.817623][T17025]  do_set_master (net/core/rtnetlink.c:3071)
[  774.817625][T17025]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  774.817626][T17025]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  774.817628][T17025]  ? __dev_get_by_name (net/core/dev.c:905)
[  774.817630][T17025]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  774.817633][T17025]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  774.817636][T17025]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  774.817638][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817639][T17025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  774.817640][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817642][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817643][T17025]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  774.817646][T17025]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  774.817648][T17025]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  774.817650][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817651][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817653][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817654][T17025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  774.817655][T17025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  774.817657][T17025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  774.817658][T17025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  774.817660][T17025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  774.817664][T17025]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  774.817667][T17025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  774.817668][T17025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  774.817670][T17025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  774.817671][T17025]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  774.817674][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817675][T17025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  774.817677][T17025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  774.817679][T17025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  774.817681][T17025]  ? next_uptodate_folio (mm/filemap.c:3747)
[  774.817684][T17025]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  774.817686][T17025]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  774.817688][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817690][T17025]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  774.817694][T17025]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  774.817696][T17025]  ____sys_sendmsg (net/socket.c:2713)
[  774.817698][T17025]  ? copy_msghdr_from_user (net/socket.c:2650)
[  774.817700][T17025]  ? sock_write_iter (net/socket.c:1269)
[  774.817701][T17025]  ? move_addr_to_kernel (net/socket.c:258)
[  774.817703][T17025]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  774.817706][T17025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  774.817708][T17025]  ___sys_sendmsg (net/socket.c:2767)
[  774.817709][T17025]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  774.817711][T17025]  ? copy_msghdr_from_user (net/socket.c:2619)
[  774.817713][T17025]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  774.817717][T17025]  __sys_sendmsg (net/socket.c:2799)
[  774.817719][T17025]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  774.817722][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817723][T17025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  774.817725][T17025]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  774.817727][T17025]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  774.817729][T17025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  774.817731][T17025] RIP: 0033:0x7f88d4f5b54e
[  774.817733][T17025] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  774.817734][T17025] RSP: 002b:00007ffd88850a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  774.817738][T17025] RAX: ffffffffffffffda RBX: 00007ffd888511f8 RCX: 00007f88d4f5b54e
[  774.817739][T17025] RDX: 0000000000000000 RSI: 00007ffd88850ae0 RDI: 0000000000000005
[  774.817740][T17025] RBP: 00007ffd88850a40 R08: 0000000000000000 R09: 0000000000000000
[  774.817741][T17025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112cc
[  774.817742][T17025] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd888511b0
| [  776.116577][T17095] softirqs last disabled at (0): 0x0
| [  776.116579][T17095] Preemption disabled at:
| [  776.116579][T17095] vprintk_emit (kernel/printk/printk.c:2471)
| [  776.116589][T17095] Tainted: [W]=WARN
[  776.116590][T17095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  776.116592][T17095] Call Trace:
[  776.116593][T17095]  <TASK>
[  776.116595][T17095]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  776.116600][T17095]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  776.116602][T17095]  __might_resched.cold (kernel/sched/core.c:9234)
[  776.116606][T17095]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  776.116609][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116611][T17095]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  776.116614][T17095]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.116617][T17095]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.116623][T17095]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  776.116624][T17095]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.116627][T17095]  put_chars (drivers/char/virtio_console.c:1176)
[  776.116629][T17095]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  776.116630][T17095]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  776.116632][T17095]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  776.116634][T17095]  ? pointer (lib/vsprintf.c:2577)
[  776.116638][T17095]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  776.116642][T17095]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  776.116644][T17095]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.116646][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116648][T17095]  console_emit_next_record (kernel/printk/printk.c:3183)
[  776.116651][T17095]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  776.116653][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116655][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116655][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116657][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116658][T17095]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  776.116660][T17095]  console_flush_one_record (kernel/printk/printk.c:3268)
[  776.116663][T17095]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  776.116665][T17095]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  776.116667][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116669][T17095]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  776.116670][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116671][T17095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.116673][T17095]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  776.116674][T17095]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  776.116676][T17095]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  776.116678][T17095]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  776.116679][T17095]  vprintk_emit (kernel/printk/printk.c:2479)
[  776.116681][T17095]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  776.116682][T17095]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  776.116685][T17095]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  776.116688][T17095]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  776.116690][T17095]  _printk (kernel/printk/printk.c:2504)
[  776.116693][T17095]  ? snapshot_read.cold (user.c:?)
[  776.116695][T17095]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  776.116697][T17095]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  776.116701][T17095]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  776.116702][T17095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  776.116706][T17095]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  776.116708][T17095]  ? netdev_notice (net/core/dev.c:13194)
[  776.116710][T17095]  ? 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)
[  776.116712][T17095]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  776.116714][T17095]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.116716][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116717][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116718][T17095]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  776.116719][T17095]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  776.116721][T17095]  ? 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)
[  776.116722][T17095]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  776.116724][T17095]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  776.116725][T17095]  ? register_netdev (net/core/dev.c:11618)
[  776.116727][T17095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.116729][T17095]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  776.116731][T17095]  ? __kernel_text_address (kernel/extable.c:79)
[  776.116734][T17095]  ? write_profile (profile.c:?)
[  776.116737][T17095]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  776.116740][T17095]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  776.116742][T17095]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  776.116744][T17095]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  776.116745][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116746][T17095]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  776.116749][T17095]  ? kasan_save_stack (mm/kasan/common.c:58)
[  776.116751][T17095]  ? kasan_save_stack (mm/kasan/common.c:57)
[  776.116752][T17095]  ? kasan_save_track (mm/kasan/common.c:78)
[  776.116753][T17095]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  776.116755][T17095]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  776.116756][T17095]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  776.116757][T17095]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  776.116758][T17095]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  776.116761][T17095]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  776.116763][T17095]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  776.116764][T17095]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  776.116767][T17095]  ? ____sys_sendmsg (net/socket.c:2713)
[  776.116768][T17095]  ? ___sys_sendmsg (net/socket.c:2767)
[  776.116769][T17095]  ? __sys_sendmsg (net/socket.c:2799)
[  776.116771][T17095]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  776.116773][T17095]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  776.116776][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116777][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116779][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116780][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116781][T17095]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  776.116782][T17095]  ? __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)
[  776.116783][T17095]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  776.116785][T17095]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  776.116786][T17095]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  776.116787][T17095]  ? nla_get_range_signed (lib/nlattr.c:270)
[  776.116790][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116792][T17095]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  776.116794][T17095]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  776.116796][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116797][T17095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  776.116798][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116800][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116801][T17095]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  776.116803][T17095]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  776.116804][T17095]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  776.116806][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116807][T17095]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  776.116810][T17095]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  776.116813][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116814][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116815][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116817][T17095]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  776.116818][T17095]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  776.116820][T17095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  776.116821][T17095]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  776.116822][T17095]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  776.116825][T17095]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  776.116826][T17095]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  776.116828][T17095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.116830][T17095]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  776.116831][T17095]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  776.116834][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116835][T17095]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.116838][T17095]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  776.116840][T17095]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  776.116842][T17095]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  776.116843][T17095]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  776.116846][T17095]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  776.116847][T17095]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  776.116849][T17095]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.116850][T17095]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  776.116853][T17095]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  776.116855][T17095]  ____sys_sendmsg (net/socket.c:2713)
[  776.116857][T17095]  ? copy_msghdr_from_user (net/socket.c:2650)
[  776.116858][T17095]  ? sock_write_iter (net/socket.c:1269)
[  776.116860][T17095]  ? move_addr_to_kernel (net/socket.c:258)
[  776.116861][T17095]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  776.116864][T17095]  ___sys_sendmsg (net/socket.c:2767)
[  776.116866][T17095]  ? copy_msghdr_from_user (net/socket.c:2619)
[  776.116871][T17095]  __sys_sendmsg (net/socket.c:2799)
[  776.116873][T17095]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  776.116875][T17095]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.116877][T17095]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  776.116879][T17095]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  776.116881][T17095]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  776.116882][T17095] RIP: 0033:0x7f676959f54e
[  776.116884][T17095] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  776.116885][T17095] RSP: 002b:00007ffc52feb6e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  776.116889][T17095] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f676959f54e
[  776.116890][T17095] RDX: 0000000000000000 RSI: 00007ffc52feb790 RDI: 0000000000000005
[  776.116891][T17095] RBP: 00007ffc52feb6f0 R08: 0000000000000000 R09: 0000000000000000
[  776.116892][T17095] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112cd
[  776.116893][T17095] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc52febe50
| [  777.159447][T17145] softirqs last disabled at (0): 0x0
| [  777.159449][T17145] Preemption disabled at:
| [  777.159449][T17145] vprintk_emit (kernel/printk/printk.c:2471)
| [  777.159460][T17145] Tainted: [W]=WARN
[  777.159461][T17145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  777.159462][T17145] Call Trace:
[  777.159464][T17145]  <TASK>
[  777.159465][T17145]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  777.159470][T17145]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  777.159472][T17145]  __might_resched.cold (kernel/sched/core.c:9234)
[  777.159476][T17145]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  777.159478][T17145]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  777.159481][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159484][T17145]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  777.159487][T17145]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.159490][T17145]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  777.159495][T17145]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  777.159499][T17145]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  777.159501][T17145]  put_chars (drivers/char/virtio_console.c:1176)
[  777.159503][T17145]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  777.159505][T17145]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  777.159507][T17145]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  777.159512][T17145]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  777.159514][T17145]  ? vsnprintf (lib/vsprintf.c:2900)
[  777.159517][T17145]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.159519][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159520][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159521][T17145]  console_emit_next_record (kernel/printk/printk.c:3183)
[  777.159524][T17145]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  777.159526][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159527][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159528][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159530][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159532][T17145]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  777.159534][T17145]  console_flush_one_record (kernel/printk/printk.c:3268)
[  777.159536][T17145]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  777.159539][T17145]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  777.159541][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159542][T17145]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  777.159544][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159545][T17145]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.159546][T17145]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  777.159548][T17145]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  777.159549][T17145]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  777.159551][T17145]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  777.159553][T17145]  vprintk_emit (kernel/printk/printk.c:2479)
[  777.159559][T17145]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  777.159560][T17145]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.159562][T17145]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  777.159565][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159566][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159568][T17145]  _printk (kernel/printk/printk.c:2504)
[  777.159570][T17145]  ? snapshot_read.cold (user.c:?)
[  777.159573][T17145]  ? br_multicast_flood (??:?)
[  777.159576][T17145]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  777.159579][T17145]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  777.159580][T17145]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  777.159582][T17145]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  777.159584][T17145]  br_init_port (net/bridge/br_stp_if.c:39)
[  777.159586][T17145]  new_nbp (net/bridge/br_if.c:449)
[  777.159588][T17145]  br_add_if (net/bridge/br_if.c:592)
[  777.159590][T17145]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  777.159594][T17145]  do_set_master (net/core/rtnetlink.c:3071)
[  777.159596][T17145]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  777.159598][T17145]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  777.159599][T17145]  ? __dev_get_by_name (net/core/dev.c:905)
[  777.159601][T17145]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  777.159605][T17145]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  777.159608][T17145]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  777.159610][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159611][T17145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  777.159612][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159614][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159615][T17145]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  777.159618][T17145]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  777.159620][T17145]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  777.159622][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159623][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159625][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159626][T17145]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  777.159628][T17145]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  777.159629][T17145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  777.159631][T17145]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  777.159632][T17145]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  777.159636][T17145]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  777.159639][T17145]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  777.159641][T17145]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.159642][T17145]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  777.159644][T17145]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  777.159647][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159648][T17145]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.159650][T17145]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  777.159652][T17145]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  777.159654][T17145]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  777.159657][T17145]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  777.159660][T17145]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  777.159662][T17145]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  777.159664][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159665][T17145]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  777.159669][T17145]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  777.159672][T17145]  ____sys_sendmsg (net/socket.c:2713)
[  777.159673][T17145]  ? copy_msghdr_from_user (net/socket.c:2650)
[  777.159675][T17145]  ? sock_write_iter (net/socket.c:1269)
[  777.159677][T17145]  ? move_addr_to_kernel (net/socket.c:258)
[  777.159679][T17145]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  777.159681][T17145]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.159683][T17145]  ___sys_sendmsg (net/socket.c:2767)
[  777.159685][T17145]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  777.159687][T17145]  ? copy_msghdr_from_user (net/socket.c:2619)
[  777.159688][T17145]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  777.159693][T17145]  __sys_sendmsg (net/socket.c:2799)
[  777.159695][T17145]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  777.159698][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159699][T17145]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.159700][T17145]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  777.159703][T17145]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  777.159705][T17145]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  777.159706][T17145] RIP: 0033:0x7fe89fc3454e
[  777.159708][T17145] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  777.159710][T17145] RSP: 002b:00007ffefc27ed60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  777.159714][T17145] RAX: ffffffffffffffda RBX: 00007ffefc27f528 RCX: 00007fe89fc3454e
[  777.159715][T17145] RDX: 0000000000000000 RSI: 00007ffefc27ee10 RDI: 0000000000000005
[  777.159716][T17145] RBP: 00007ffefc27ed70 R08: 0000000000000000 R09: 0000000000000000
[  777.159717][T17145] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112ce
[  777.159718][T17145] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefc27f4e0
| [  812.579437][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  812.579439][   T12] Preemption disabled at:
| [  812.579440][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  812.579450][   T12] Tainted: [W]=WARN
[  812.579451][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  812.579453][   T12] Workqueue: netns cleanup_net
[  812.579458][   T12] Call Trace:
[  812.579460][   T12]  <TASK>
[  812.579461][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  812.579467][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  812.579469][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  812.579472][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  812.579474][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  812.579477][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579480][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  812.579483][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.579486][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  812.579490][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  812.579492][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  812.579499][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  812.579501][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  812.579503][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  812.579506][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  812.579510][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  812.579512][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  812.579514][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.579516][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579519][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  812.579522][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  812.579524][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579526][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579527][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.579529][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  812.579531][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  812.579534][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  812.579536][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  812.579538][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.579540][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  812.579542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579543][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.579544][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  812.579546][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  812.579547][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  812.579549][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  812.579550][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  812.579552][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  812.579553][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  812.579555][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  812.579558][   T12]  ? kthread (kernel/kthread.c:436)
[  812.579560][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  812.579562][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  812.579565][   T12]  _printk (kernel/printk/printk.c:2504)
[  812.579568][   T12]  ? snapshot_read.cold (user.c:?)
[  812.579570][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  812.579574][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  812.579576][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  812.579578][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  812.579580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579581][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  812.579582][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  812.579585][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  812.579587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  812.579588][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  812.579590][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  812.579593][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  812.579597][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  812.579599][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  812.579601][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  812.579603][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  812.579605][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  812.579608][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  812.579610][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  812.579612][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.579614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.579615][   T12]  process_one_work (kernel/workqueue.c:3387)
[  812.579618][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  812.579621][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.579623][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  812.579626][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  812.579628][   T12]  kthread (kernel/kthread.c:436)
[  812.579630][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  812.579631][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  812.579633][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  812.579635][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  812.579637][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  812.579640][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  812.579642][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  813.797274][T19542] softirqs last disabled at (0): 0x0
| [  813.797276][T19542] Preemption disabled at:
| [  813.797277][T19542] vprintk_emit (kernel/printk/printk.c:2471)
| [  813.797287][T19542] Tainted: [W]=WARN
[  813.797288][T19542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  813.797289][T19542] Call Trace:
[  813.797291][T19542]  <TASK>
[  813.797292][T19542]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  813.797298][T19542]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  813.797299][T19542]  __might_resched.cold (kernel/sched/core.c:9234)
[  813.797303][T19542]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  813.797305][T19542]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  813.797308][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797311][T19542]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  813.797314][T19542]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  813.797317][T19542]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  813.797322][T19542]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  813.797324][T19542]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  813.797326][T19542]  put_chars (drivers/char/virtio_console.c:1176)
[  813.797328][T19542]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  813.797329][T19542]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  813.797332][T19542]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  813.797337][T19542]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  813.797338][T19542]  ? vsnprintf (lib/vsprintf.c:2900)
[  813.797342][T19542]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  813.797343][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797344][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797346][T19542]  console_emit_next_record (kernel/printk/printk.c:3183)
[  813.797349][T19542]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  813.797351][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797352][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797353][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797354][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797357][T19542]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  813.797359][T19542]  console_flush_one_record (kernel/printk/printk.c:3268)
[  813.797361][T19542]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  813.797364][T19542]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  813.797366][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797367][T19542]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  813.797369][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797370][T19542]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.797371][T19542]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  813.797373][T19542]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  813.797374][T19542]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  813.797376][T19542]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  813.797378][T19542]  vprintk_emit (kernel/printk/printk.c:2479)
[  813.797380][T19542]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  813.797381][T19542]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  813.797382][T19542]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  813.797385][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797387][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797388][T19542]  _printk (kernel/printk/printk.c:2504)
[  813.797391][T19542]  ? snapshot_read.cold (user.c:?)
[  813.797393][T19542]  ? br_multicast_flood (??:?)
[  813.797397][T19542]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  813.797399][T19542]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  813.797400][T19542]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  813.797402][T19542]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  813.797405][T19542]  br_init_port (net/bridge/br_stp_if.c:39)
[  813.797407][T19542]  new_nbp (net/bridge/br_if.c:449)
[  813.797409][T19542]  br_add_if (net/bridge/br_if.c:592)
[  813.797411][T19542]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  813.797415][T19542]  do_set_master (net/core/rtnetlink.c:3071)
[  813.797417][T19542]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  813.797419][T19542]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  813.797420][T19542]  ? __dev_get_by_name (net/core/dev.c:905)
[  813.797422][T19542]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  813.797426][T19542]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  813.797428][T19542]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  813.797430][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797431][T19542]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  813.797433][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797434][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797436][T19542]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  813.797438][T19542]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  813.797440][T19542]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  813.797443][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797444][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797445][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797446][T19542]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  813.797448][T19542]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  813.797450][T19542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  813.797451][T19542]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  813.797452][T19542]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  813.797456][T19542]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  813.797459][T19542]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  813.797460][T19542]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.797462][T19542]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  813.797463][T19542]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  813.797467][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797468][T19542]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.797470][T19542]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  813.797472][T19542]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  813.797474][T19542]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  813.797477][T19542]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  813.797479][T19542]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  813.797481][T19542]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  813.797484][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797485][T19542]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  813.797489][T19542]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  813.797491][T19542]  ____sys_sendmsg (net/socket.c:2713)
[  813.797493][T19542]  ? copy_msghdr_from_user (net/socket.c:2650)
[  813.797495][T19542]  ? sock_write_iter (net/socket.c:1269)
[  813.797499][T19542]  ? move_addr_to_kernel (net/socket.c:258)
[  813.797501][T19542]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  813.797504][T19542]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.797506][T19542]  ___sys_sendmsg (net/socket.c:2767)
[  813.797507][T19542]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  813.797509][T19542]  ? copy_msghdr_from_user (net/socket.c:2619)
[  813.797511][T19542]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  813.797515][T19542]  __sys_sendmsg (net/socket.c:2799)
[  813.797517][T19542]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  813.797520][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797521][T19542]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.797522][T19542]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  813.797525][T19542]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  813.797527][T19542]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  813.797529][T19542] RIP: 0033:0x7f4b05f7654e
[  813.797531][T19542] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  813.797533][T19542] RSP: 002b:00007ffc62668740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  813.797537][T19542] RAX: ffffffffffffffda RBX: 00007ffc62668f08 RCX: 00007f4b05f7654e
[  813.797538][T19542] RDX: 0000000000000000 RSI: 00007ffc626687f0 RDI: 0000000000000005
[  813.797539][T19542] RBP: 00007ffc62668750 R08: 0000000000000000 R09: 0000000000000000
[  813.797540][T19542] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112f3
[  813.797541][T19542] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc62668ec0
| [  815.091676][T19611] softirqs last disabled at (0): 0x0
| [  815.091678][T19611] Preemption disabled at:
| [  815.091679][T19611] vprintk_emit (kernel/printk/printk.c:2471)
| [  815.091688][T19611] Tainted: [W]=WARN
[  815.091689][T19611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  815.091691][T19611] Call Trace:
[  815.091697][T19611]  <TASK>
[  815.091698][T19611]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  815.091703][T19611]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  815.091705][T19611]  __might_resched.cold (kernel/sched/core.c:9234)
[  815.091708][T19611]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  815.091711][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091714][T19611]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  815.091717][T19611]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  815.091720][T19611]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  815.091725][T19611]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  815.091726][T19611]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  815.091729][T19611]  put_chars (drivers/char/virtio_console.c:1176)
[  815.091731][T19611]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  815.091732][T19611]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  815.091734][T19611]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  815.091736][T19611]  ? pointer (lib/vsprintf.c:2577)
[  815.091740][T19611]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  815.091744][T19611]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  815.091746][T19611]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  815.091748][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091750][T19611]  console_emit_next_record (kernel/printk/printk.c:3183)
[  815.091753][T19611]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  815.091755][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091756][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091757][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091758][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091760][T19611]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  815.091762][T19611]  console_flush_one_record (kernel/printk/printk.c:3268)
[  815.091765][T19611]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  815.091767][T19611]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  815.091769][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091771][T19611]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  815.091773][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091774][T19611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.091775][T19611]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  815.091777][T19611]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  815.091778][T19611]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  815.091780][T19611]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  815.091782][T19611]  vprintk_emit (kernel/printk/printk.c:2479)
[  815.091783][T19611]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  815.091785][T19611]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  815.091787][T19611]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  815.091790][T19611]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  815.091793][T19611]  _printk (kernel/printk/printk.c:2504)
[  815.091795][T19611]  ? snapshot_read.cold (user.c:?)
[  815.091797][T19611]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  815.091800][T19611]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  815.091803][T19611]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  815.091805][T19611]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  815.091808][T19611]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  815.091810][T19611]  ? netdev_notice (net/core/dev.c:13194)
[  815.091812][T19611]  ? 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)
[  815.091814][T19611]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  815.091816][T19611]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  815.091818][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091819][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091820][T19611]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  815.091821][T19611]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  815.091823][T19611]  ? 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)
[  815.091824][T19611]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  815.091825][T19611]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  815.091827][T19611]  ? register_netdev (net/core/dev.c:11618)
[  815.091828][T19611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.091830][T19611]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  815.091833][T19611]  ? __kernel_text_address (kernel/extable.c:79)
[  815.091836][T19611]  ? write_profile (profile.c:?)
[  815.091838][T19611]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  815.091842][T19611]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  815.091843][T19611]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  815.091845][T19611]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  815.091846][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091847][T19611]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  815.091851][T19611]  ? kasan_save_stack (mm/kasan/common.c:58)
[  815.091853][T19611]  ? kasan_save_stack (mm/kasan/common.c:57)
[  815.091854][T19611]  ? kasan_save_track (mm/kasan/common.c:78)
[  815.091855][T19611]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  815.091856][T19611]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  815.091857][T19611]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  815.091859][T19611]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  815.091860][T19611]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  815.091863][T19611]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  815.091864][T19611]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  815.091866][T19611]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  815.091869][T19611]  ? ____sys_sendmsg (net/socket.c:2713)
[  815.091870][T19611]  ? ___sys_sendmsg (net/socket.c:2767)
[  815.091872][T19611]  ? __sys_sendmsg (net/socket.c:2799)
[  815.091873][T19611]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  815.091876][T19611]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  815.091878][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091880][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091881][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091882][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091883][T19611]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  815.091885][T19611]  ? __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)
[  815.091886][T19611]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  815.091887][T19611]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  815.091889][T19611]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  815.091890][T19611]  ? nla_get_range_signed (lib/nlattr.c:270)
[  815.091893][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091894][T19611]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  815.091896][T19611]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  815.091898][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091899][T19611]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  815.091901][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091902][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091904][T19611]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  815.091906][T19611]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  815.091907][T19611]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  815.091909][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091910][T19611]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  815.091913][T19611]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  815.091915][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091917][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091918][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091919][T19611]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  815.091921][T19611]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  815.091922][T19611]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  815.091924][T19611]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  815.091925][T19611]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  815.091928][T19611]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  815.091929][T19611]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  815.091931][T19611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.091932][T19611]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  815.091934][T19611]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  815.091937][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091938][T19611]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  815.091940][T19611]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  815.091942][T19611]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  815.091944][T19611]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  815.091946][T19611]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  815.091948][T19611]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  815.091950][T19611]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  815.091951][T19611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  815.091953][T19611]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  815.091956][T19611]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  815.091958][T19611]  ____sys_sendmsg (net/socket.c:2713)
[  815.091960][T19611]  ? copy_msghdr_from_user (net/socket.c:2650)
[  815.091961][T19611]  ? sock_write_iter (net/socket.c:1269)
[  815.091963][T19611]  ? move_addr_to_kernel (net/socket.c:258)
[  815.091964][T19611]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  815.091967][T19611]  ___sys_sendmsg (net/socket.c:2767)
[  815.091968][T19611]  ? copy_msghdr_from_user (net/socket.c:2619)
[  815.091973][T19611]  __sys_sendmsg (net/socket.c:2799)
[  815.091975][T19611]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  815.091978][T19611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  815.091979][T19611]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  815.091981][T19611]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  815.091983][T19611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  815.091985][T19611] RIP: 0033:0x7f3d1c98b54e
[  815.091987][T19611] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  815.091989][T19611] RSP: 002b:00007fff51404a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  815.091992][T19611] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3d1c98b54e
[  815.091994][T19611] RDX: 0000000000000000 RSI: 00007fff51404ab0 RDI: 0000000000000005
[  815.091995][T19611] RBP: 00007fff51404a10 R08: 0000000000000000 R09: 0000000000000000
[  815.091996][T19611] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112f4
[  815.091997][T19611] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff51405170
| [  816.180981][T19668] softirqs last disabled at (0): 0x0
| [  816.180983][T19668] Preemption disabled at:
| [  816.180984][T19668] vprintk_emit (kernel/printk/printk.c:2471)
| [  816.180994][T19668] Tainted: [W]=WARN
[  816.180995][T19668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  816.180997][T19668] Call Trace:
[  816.180998][T19668]  <TASK>
[  816.180999][T19668]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  816.181005][T19668]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  816.181007][T19668]  __might_resched.cold (kernel/sched/core.c:9234)
[  816.181010][T19668]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  816.181012][T19668]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  816.181016][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181018][T19668]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  816.181021][T19668]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  816.181024][T19668]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  816.181029][T19668]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  816.181031][T19668]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  816.181033][T19668]  put_chars (drivers/char/virtio_console.c:1176)
[  816.181035][T19668]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  816.181037][T19668]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  816.181039][T19668]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  816.181044][T19668]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  816.181046][T19668]  ? vsnprintf (lib/vsprintf.c:2900)
[  816.181049][T19668]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  816.181051][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181052][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181054][T19668]  console_emit_next_record (kernel/printk/printk.c:3183)
[  816.181056][T19668]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  816.181058][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181059][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181060][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181061][T19668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.181064][T19668]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  816.181066][T19668]  console_flush_one_record (kernel/printk/printk.c:3268)
[  816.181068][T19668]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  816.181071][T19668]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  816.181073][T19668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.181075][T19668]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  816.181076][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181077][T19668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  816.181079][T19668]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  816.181080][T19668]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  816.181082][T19668]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  816.181084][T19668]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  816.181085][T19668]  vprintk_emit (kernel/printk/printk.c:2479)
[  816.181087][T19668]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  816.181088][T19668]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  816.181090][T19668]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  816.181093][T19668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.181094][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181096][T19668]  _printk (kernel/printk/printk.c:2504)
[  816.181099][T19668]  ? snapshot_read.cold (user.c:?)
[  816.181101][T19668]  ? br_multicast_flood (??:?)
[  816.181104][T19668]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  816.181107][T19668]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  816.181108][T19668]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  816.181110][T19668]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  816.181113][T19668]  br_init_port (net/bridge/br_stp_if.c:39)
[  816.181114][T19668]  new_nbp (net/bridge/br_if.c:449)
[  816.181117][T19668]  br_add_if (net/bridge/br_if.c:592)
[  816.181118][T19668]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  816.181123][T19668]  do_set_master (net/core/rtnetlink.c:3071)
[  816.181124][T19668]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  816.181126][T19668]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  816.181128][T19668]  ? __dev_get_by_name (net/core/dev.c:905)
[  816.181129][T19668]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  816.181133][T19668]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  816.181136][T19668]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  816.181138][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181139][T19668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  816.181140][T19668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.181142][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181143][T19668]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  816.181146][T19668]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  816.181148][T19668]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  816.181150][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181151][T19668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.181153][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181154][T19668]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  816.181156][T19668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  816.181157][T19668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  816.181159][T19668]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  816.181160][T19668]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  816.181164][T19668]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  816.181167][T19668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  816.181168][T19668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  816.181170][T19668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  816.181171][T19668]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  816.181174][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181175][T19668]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  816.181177][T19668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  816.181180][T19668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  816.181181][T19668]  ? 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)
[  816.181183][T19668]  ? kasan_save_stack (mm/kasan/common.c:58)
[  816.181186][T19668]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  816.181188][T19668]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  816.181190][T19668]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  816.181192][T19668]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  816.181195][T19668]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  816.181198][T19668]  ____sys_sendmsg (net/socket.c:2713)
[  816.181199][T19668]  ? copy_msghdr_from_user (net/socket.c:2650)
[  816.181201][T19668]  ? sock_write_iter (net/socket.c:1269)
[  816.181202][T19668]  ? move_addr_to_kernel (net/socket.c:258)
[  816.181204][T19668]  ? pick_eevdf (kernel/sched/fair.c:969 kernel/sched/fair.c:1208)
[  816.181207][T19668]  ? __resched_curr (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:28 ./include/linux/thread_info.h:104 kernel/sched/core.c:1217)
[  816.181209][T19668]  ___sys_sendmsg (net/socket.c:2767)
[  816.181211][T19668]  ? copy_msghdr_from_user (net/socket.c:2619)
[  816.181213][T19668]  ? update_load_avg (kernel/sched/fair.c:5864)
[  816.181215][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181217][T19668]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[  816.181219][T19668]  ? __schedule (kernel/sched/core.c:7277)
[  816.181222][T19668]  __sys_sendmsg (net/socket.c:2799)
[  816.181224][T19668]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  816.181227][T19668]  ? 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)
[  816.181229][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181230][T19668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  816.181232][T19668]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  816.181234][T19668]  ? irq_exit_rcu (kernel/softirq.c:786)
[  816.181237][T19668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  816.181239][T19668] RIP: 0033:0x7f8bc1b3754e
[  816.181241][T19668] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  816.181242][T19668] RSP: 002b:00007fff3a1f62c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  816.181246][T19668] RAX: ffffffffffffffda RBX: 00007fff3a1f6a88 RCX: 00007f8bc1b3754e
[  816.181247][T19668] RDX: 0000000000000000 RSI: 00007fff3a1f6370 RDI: 0000000000000005
[  816.181248][T19668] RBP: 00007fff3a1f62d0 R08: 0000000000000000 R09: 0000000000000000
[  816.181249][T19668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9112f5
[  816.181250][T19668] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3a1f6a40
| [  851.633754][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  851.633757][   T12] Preemption disabled at:
| [  851.633758][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  851.633768][   T12] Tainted: [W]=WARN
[  851.633769][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  851.633771][   T12] Workqueue: netns cleanup_net
[  851.633776][   T12] Call Trace:
[  851.633778][   T12]  <TASK>
[  851.633779][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  851.633785][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  851.633786][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  851.633789][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  851.633792][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  851.633795][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633797][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  851.633800][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.633804][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.633808][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  851.633810][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.633813][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  851.633815][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  851.633816][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  851.633819][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  851.633824][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  851.633829][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  851.633831][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.633833][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633834][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633836][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  851.633838][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  851.633841][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633843][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633844][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.633846][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  851.633848][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  851.633850][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  851.633853][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  851.633855][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.633857][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  851.633858][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633859][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.633861][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  851.633862][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  851.633864][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  851.633866][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  851.633868][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  851.633869][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  851.633871][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  851.633872][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  851.633875][   T12]  ? kthread (kernel/kthread.c:436)
[  851.633877][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  851.633880][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  851.633883][   T12]  _printk (kernel/printk/printk.c:2504)
[  851.633886][   T12]  ? snapshot_read.cold (user.c:?)
[  851.633888][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  851.633891][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  851.633893][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  851.633896][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  851.633898][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633899][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  851.633900][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  851.633903][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  851.633905][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  851.633906][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  851.633909][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  851.633911][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  851.633915][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  851.633917][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  851.633920][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  851.633922][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  851.633924][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  851.633926][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  851.633928][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  851.633930][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.633932][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.633934][   T12]  process_one_work (kernel/workqueue.c:3387)
[  851.633936][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  851.633939][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.633941][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  851.633945][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  851.633947][   T12]  kthread (kernel/kthread.c:436)
[  851.633948][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  851.633950][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  851.633952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  851.633953][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  851.633955][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  851.633958][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  851.633960][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  852.816890][T22057] softirqs last disabled at (0): 0x0
| [  852.816892][T22057] Preemption disabled at:
| [  852.816893][T22057] vprintk_emit (kernel/printk/printk.c:2471)
| [  852.816903][T22057] Tainted: [W]=WARN
[  852.816904][T22057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  852.816905][T22057] Call Trace:
[  852.816907][T22057]  <TASK>
[  852.816908][T22057]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  852.816914][T22057]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  852.816915][T22057]  __might_resched.cold (kernel/sched/core.c:9234)
[  852.816919][T22057]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  852.816921][T22057]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  852.816925][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816927][T22057]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  852.816930][T22057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  852.816933][T22057]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  852.816938][T22057]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  852.816940][T22057]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  852.816942][T22057]  put_chars (drivers/char/virtio_console.c:1176)
[  852.816944][T22057]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  852.816946][T22057]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  852.816949][T22057]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  852.816953][T22057]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  852.816955][T22057]  ? vsnprintf (lib/vsprintf.c:2900)
[  852.816958][T22057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  852.816960][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816961][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816963][T22057]  console_emit_next_record (kernel/printk/printk.c:3183)
[  852.816965][T22057]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  852.816968][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816969][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816970][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816971][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.816973][T22057]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  852.816975][T22057]  console_flush_one_record (kernel/printk/printk.c:3268)
[  852.816978][T22057]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  852.816981][T22057]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  852.816983][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.816984][T22057]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  852.816986][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.816987][T22057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  852.816989][T22057]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  852.816990][T22057]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  852.816992][T22057]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  852.816994][T22057]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  852.816995][T22057]  vprintk_emit (kernel/printk/printk.c:2479)
[  852.816997][T22057]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  852.816998][T22057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  852.817000][T22057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  852.817003][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.817004][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817006][T22057]  _printk (kernel/printk/printk.c:2504)
[  852.817009][T22057]  ? snapshot_read.cold (user.c:?)
[  852.817011][T22057]  ? br_multicast_flood (??:?)
[  852.817015][T22057]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  852.817017][T22057]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  852.817018][T22057]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  852.817020][T22057]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  852.817023][T22057]  br_init_port (net/bridge/br_stp_if.c:39)
[  852.817025][T22057]  new_nbp (net/bridge/br_if.c:449)
[  852.817027][T22057]  br_add_if (net/bridge/br_if.c:592)
[  852.817029][T22057]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  852.817033][T22057]  do_set_master (net/core/rtnetlink.c:3071)
[  852.817034][T22057]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  852.817036][T22057]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  852.817037][T22057]  ? __dev_get_by_name (net/core/dev.c:905)
[  852.817039][T22057]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  852.817043][T22057]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  852.817045][T22057]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  852.817047][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817049][T22057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  852.817050][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.817052][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817053][T22057]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  852.817056][T22057]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  852.817058][T22057]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  852.817060][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817061][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.817063][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817064][T22057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  852.817065][T22057]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  852.817067][T22057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  852.817068][T22057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  852.817070][T22057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  852.817074][T22057]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  852.817077][T22057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  852.817078][T22057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  852.817080][T22057]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  852.817081][T22057]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  852.817085][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817086][T22057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  852.817088][T22057]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  852.817090][T22057]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  852.817092][T22057]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  852.817094][T22057]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  852.817097][T22057]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  852.817099][T22057]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  852.817101][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.817103][T22057]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  852.817106][T22057]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  852.817109][T22057]  ____sys_sendmsg (net/socket.c:2713)
[  852.817111][T22057]  ? copy_msghdr_from_user (net/socket.c:2650)
[  852.817113][T22057]  ? sock_write_iter (net/socket.c:1269)
[  852.817114][T22057]  ? move_addr_to_kernel (net/socket.c:258)
[  852.817117][T22057]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  852.817119][T22057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.817121][T22057]  ___sys_sendmsg (net/socket.c:2767)
[  852.817123][T22057]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  852.817124][T22057]  ? copy_msghdr_from_user (net/socket.c:2619)
[  852.817126][T22057]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  852.817131][T22057]  __sys_sendmsg (net/socket.c:2799)
[  852.817133][T22057]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  852.817135][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817136][T22057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.817138][T22057]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  852.817140][T22057]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  852.817142][T22057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  852.817144][T22057] RIP: 0033:0x7f429a2ce54e
[  852.817146][T22057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  852.817148][T22057] RSP: 002b:00007ffe76a23180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  852.817152][T22057] RAX: ffffffffffffffda RBX: 00007ffe76a23948 RCX: 00007f429a2ce54e
[  852.817153][T22057] RDX: 0000000000000000 RSI: 00007ffe76a23230 RDI: 0000000000000005
[  852.817154][T22057] RBP: 00007ffe76a23190 R08: 0000000000000000 R09: 0000000000000000
[  852.817155][T22057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91131a
[  852.817156][T22057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76a23900
| [  854.091746][T22127] softirqs last disabled at (0): 0x0
| [  854.091748][T22127] Preemption disabled at:
| [  854.091749][T22127] vprintk_emit (kernel/printk/printk.c:2471)
| [  854.091758][T22127] Tainted: [W]=WARN
[  854.091759][T22127] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  854.091761][T22127] Call Trace:
[  854.091763][T22127]  <TASK>
[  854.091764][T22127]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  854.091769][T22127]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  854.091771][T22127]  __might_resched.cold (kernel/sched/core.c:9234)
[  854.091775][T22127]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  854.091778][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091781][T22127]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  854.091784][T22127]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  854.091787][T22127]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  854.091792][T22127]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  854.091793][T22127]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  854.091796][T22127]  put_chars (drivers/char/virtio_console.c:1176)
[  854.091798][T22127]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  854.091799][T22127]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  854.091801][T22127]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  854.091803][T22127]  ? pointer (lib/vsprintf.c:2577)
[  854.091807][T22127]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  854.091812][T22127]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  854.091813][T22127]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  854.091815][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.091818][T22127]  console_emit_next_record (kernel/printk/printk.c:3183)
[  854.091821][T22127]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  854.091823][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091824][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091825][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091826][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.091828][T22127]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  854.091829][T22127]  console_flush_one_record (kernel/printk/printk.c:3268)
[  854.091832][T22127]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  854.091838][T22127]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  854.091840][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.091842][T22127]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  854.091844][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091845][T22127]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.091846][T22127]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  854.091848][T22127]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  854.091849][T22127]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  854.091851][T22127]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  854.091852][T22127]  vprintk_emit (kernel/printk/printk.c:2479)
[  854.091854][T22127]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  854.091855][T22127]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  854.091858][T22127]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  854.091861][T22127]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  854.091863][T22127]  _printk (kernel/printk/printk.c:2504)
[  854.091866][T22127]  ? snapshot_read.cold (user.c:?)
[  854.091868][T22127]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  854.091870][T22127]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  854.091874][T22127]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  854.091876][T22127]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  854.091879][T22127]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  854.091881][T22127]  ? netdev_notice (net/core/dev.c:13194)
[  854.091883][T22127]  ? 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)
[  854.091885][T22127]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  854.091888][T22127]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  854.091890][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091891][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091892][T22127]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  854.091893][T22127]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  854.091895][T22127]  ? 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)
[  854.091896][T22127]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  854.091897][T22127]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  854.091899][T22127]  ? register_netdev (net/core/dev.c:11618)
[  854.091900][T22127]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.091902][T22127]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  854.091905][T22127]  ? __kernel_text_address (kernel/extable.c:79)
[  854.091907][T22127]  ? write_profile (profile.c:?)
[  854.091910][T22127]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  854.091914][T22127]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  854.091915][T22127]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  854.091917][T22127]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  854.091918][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091919][T22127]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  854.091922][T22127]  ? kasan_save_stack (mm/kasan/common.c:58)
[  854.091924][T22127]  ? kasan_save_stack (mm/kasan/common.c:57)
[  854.091925][T22127]  ? kasan_save_track (mm/kasan/common.c:78)
[  854.091926][T22127]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  854.091927][T22127]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  854.091928][T22127]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  854.091929][T22127]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  854.091931][T22127]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  854.091934][T22127]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  854.091935][T22127]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  854.091937][T22127]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  854.091939][T22127]  ? ____sys_sendmsg (net/socket.c:2713)
[  854.091940][T22127]  ? ___sys_sendmsg (net/socket.c:2767)
[  854.091942][T22127]  ? __sys_sendmsg (net/socket.c:2799)
[  854.091943][T22127]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  854.091946][T22127]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  854.091948][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091950][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.091951][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091952][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091953][T22127]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  854.091955][T22127]  ? __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)
[  854.091956][T22127]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  854.091957][T22127]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  854.091958][T22127]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  854.091959][T22127]  ? nla_get_range_signed (lib/nlattr.c:270)
[  854.091963][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091964][T22127]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  854.091966][T22127]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  854.091968][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091969][T22127]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  854.091970][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.091972][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091973][T22127]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  854.091976][T22127]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  854.091977][T22127]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  854.091978][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091980][T22127]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  854.091983][T22127]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  854.091985][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091986][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.091988][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.091989][T22127]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  854.091990][T22127]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  854.091992][T22127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  854.091993][T22127]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  854.091995][T22127]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  854.091997][T22127]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  854.091999][T22127]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  854.092000][T22127]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.092002][T22127]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  854.092004][T22127]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  854.092007][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.092008][T22127]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  854.092010][T22127]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  854.092012][T22127]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  854.092014][T22127]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  854.092016][T22127]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  854.092018][T22127]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  854.092019][T22127]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  854.092021][T22127]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  854.092022][T22127]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  854.092026][T22127]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  854.092027][T22127]  ____sys_sendmsg (net/socket.c:2713)
[  854.092029][T22127]  ? copy_msghdr_from_user (net/socket.c:2650)
[  854.092031][T22127]  ? sock_write_iter (net/socket.c:1269)
[  854.092032][T22127]  ? move_addr_to_kernel (net/socket.c:258)
[  854.092034][T22127]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  854.092036][T22127]  ___sys_sendmsg (net/socket.c:2767)
[  854.092038][T22127]  ? copy_msghdr_from_user (net/socket.c:2619)
[  854.092043][T22127]  __sys_sendmsg (net/socket.c:2799)
[  854.092045][T22127]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  854.092047][T22127]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  854.092049][T22127]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  854.092051][T22127]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  854.092053][T22127]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  854.092054][T22127] RIP: 0033:0x7f9e1e27a54e
[  854.092056][T22127] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  854.092058][T22127] RSP: 002b:00007ffea4615c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  854.092061][T22127] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9e1e27a54e
[  854.092063][T22127] RDX: 0000000000000000 RSI: 00007ffea4615d30 RDI: 0000000000000005
[  854.092064][T22127] RBP: 00007ffea4615c90 R08: 0000000000000000 R09: 0000000000000000
[  854.092065][T22127] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91131b
[  854.092065][T22127] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea46163f0
| [  855.154938][T22184] softirqs last disabled at (0): 0x0
| [  855.154939][T22184] Preemption disabled at:
| [  855.154940][T22184] vprintk_emit (kernel/printk/printk.c:2471)
| [  855.154951][T22184] Tainted: [W]=WARN
[  855.154952][T22184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  855.154953][T22184] Call Trace:
[  855.154955][T22184]  <TASK>
[  855.154956][T22184]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  855.154962][T22184]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  855.154963][T22184]  __might_resched.cold (kernel/sched/core.c:9234)
[  855.154967][T22184]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  855.154969][T22184]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  855.154972][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.154975][T22184]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  855.154977][T22184]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.154980][T22184]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  855.154985][T22184]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  855.154987][T22184]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  855.154990][T22184]  put_chars (drivers/char/virtio_console.c:1176)
[  855.154991][T22184]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  855.154993][T22184]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  855.154996][T22184]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  855.155001][T22184]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  855.155002][T22184]  ? vsnprintf (lib/vsprintf.c:2900)
[  855.155006][T22184]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.155007][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155008][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155010][T22184]  console_emit_next_record (kernel/printk/printk.c:3183)
[  855.155013][T22184]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  855.155015][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155016][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155017][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155018][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155020][T22184]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  855.155022][T22184]  console_flush_one_record (kernel/printk/printk.c:3268)
[  855.155025][T22184]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  855.155027][T22184]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  855.155029][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155031][T22184]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  855.155032][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155033][T22184]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.155035][T22184]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  855.155036][T22184]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  855.155038][T22184]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  855.155040][T22184]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  855.155041][T22184]  vprintk_emit (kernel/printk/printk.c:2479)
[  855.155043][T22184]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  855.155044][T22184]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.155046][T22184]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  855.155049][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155050][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155052][T22184]  _printk (kernel/printk/printk.c:2504)
[  855.155055][T22184]  ? snapshot_read.cold (user.c:?)
[  855.155057][T22184]  ? br_multicast_flood (??:?)
[  855.155060][T22184]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  855.155063][T22184]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  855.155064][T22184]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  855.155066][T22184]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  855.155069][T22184]  br_init_port (net/bridge/br_stp_if.c:39)
[  855.155070][T22184]  new_nbp (net/bridge/br_if.c:449)
[  855.155073][T22184]  br_add_if (net/bridge/br_if.c:592)
[  855.155074][T22184]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  855.155078][T22184]  do_set_master (net/core/rtnetlink.c:3071)
[  855.155080][T22184]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  855.155082][T22184]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  855.155083][T22184]  ? __dev_get_by_name (net/core/dev.c:905)
[  855.155085][T22184]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  855.155089][T22184]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  855.155091][T22184]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  855.155093][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155095][T22184]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  855.155096][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155098][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155099][T22184]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  855.155102][T22184]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  855.155103][T22184]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  855.155105][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155107][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155108][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155109][T22184]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  855.155111][T22184]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  855.155112][T22184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  855.155114][T22184]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  855.155115][T22184]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  855.155119][T22184]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  855.155122][T22184]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  855.155124][T22184]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.155125][T22184]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  855.155127][T22184]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  855.155130][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155131][T22184]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.155133][T22184]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  855.155135][T22184]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  855.155137][T22184]  ? next_uptodate_folio (mm/filemap.c:3747)
[  855.155140][T22184]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  855.155143][T22184]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  855.155144][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155146][T22184]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  855.155149][T22184]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  855.155152][T22184]  ____sys_sendmsg (net/socket.c:2713)
[  855.155154][T22184]  ? copy_msghdr_from_user (net/socket.c:2650)
[  855.155155][T22184]  ? sock_write_iter (net/socket.c:1269)
[  855.155157][T22184]  ? move_addr_to_kernel (net/socket.c:258)
[  855.155159][T22184]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  855.155162][T22184]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.155164][T22184]  ___sys_sendmsg (net/socket.c:2767)
[  855.155165][T22184]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  855.155167][T22184]  ? copy_msghdr_from_user (net/socket.c:2619)
[  855.155169][T22184]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  855.155173][T22184]  __sys_sendmsg (net/socket.c:2799)
[  855.155175][T22184]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  855.155178][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155179][T22184]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.155180][T22184]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  855.155183][T22184]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  855.155185][T22184]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  855.155187][T22184] RIP: 0033:0x7f6288dec54e
[  855.155188][T22184] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  855.155190][T22184] RSP: 002b:00007ffed93ba0a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  855.155194][T22184] RAX: ffffffffffffffda RBX: 00007ffed93ba868 RCX: 00007f6288dec54e
[  855.155195][T22184] RDX: 0000000000000000 RSI: 00007ffed93ba150 RDI: 0000000000000005
[  855.155196][T22184] RBP: 00007ffed93ba0b0 R08: 0000000000000000 R09: 0000000000000000
[  855.155197][T22184] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91131c
[  855.155198][T22184] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed93ba820
| [  890.586142][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  890.586145][   T12] Preemption disabled at:
| [  890.586146][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  890.586156][   T12] Tainted: [W]=WARN
[  890.586157][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  890.586159][   T12] Workqueue: netns cleanup_net
[  890.586164][   T12] Call Trace:
[  890.586165][   T12]  <TASK>
[  890.586167][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  890.586172][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  890.586174][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  890.586177][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  890.586179][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  890.586182][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586185][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  890.586188][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  890.586191][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  890.586195][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  890.586197][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  890.586200][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  890.586201][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  890.586203][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  890.586206][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  890.586210][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  890.586212][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  890.586214][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  890.586216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586219][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  890.586221][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  890.586223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586225][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586226][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.586229][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  890.586230][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  890.586233][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  890.586235][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  890.586237][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.586239][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  890.586241][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586242][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  890.586243][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  890.586245][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  890.586246][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  890.586248][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  890.586249][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  890.586251][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  890.586252][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  890.586254][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  890.586256][   T12]  ? kthread (kernel/kthread.c:436)
[  890.586258][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  890.586261][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  890.586264][   T12]  _printk (kernel/printk/printk.c:2504)
[  890.586267][   T12]  ? snapshot_read.cold (user.c:?)
[  890.586269][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  890.586272][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  890.586274][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  890.586276][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  890.586278][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586280][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  890.586281][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  890.586284][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  890.586286][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  890.586287][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  890.586289][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  890.586292][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  890.586296][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  890.586298][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  890.586300][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  890.586303][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  890.586305][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  890.586307][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  890.586309][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  890.586311][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  890.586314][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  890.586315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  890.586317][   T12]  process_one_work (kernel/workqueue.c:3387)
[  890.586320][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  890.586322][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  890.586325][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  890.586328][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  890.586329][   T12]  kthread (kernel/kthread.c:436)
[  890.586331][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  890.586333][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  890.586335][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  890.586336][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  890.586338][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  890.586342][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  890.586343][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  891.765076][T24401] softirqs last disabled at (0): 0x0
| [  891.765078][T24401] Preemption disabled at:
| [  891.765079][T24401] vprintk_emit (kernel/printk/printk.c:2471)
| [  891.765088][T24401] Tainted: [W]=WARN
[  891.765089][T24401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  891.765091][T24401] Call Trace:
[  891.765092][T24401]  <TASK>
[  891.765094][T24401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  891.765100][T24401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  891.765101][T24401]  __might_resched.cold (kernel/sched/core.c:9234)
[  891.765104][T24401]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  891.765106][T24401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  891.765110][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765113][T24401]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  891.765115][T24401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  891.765118][T24401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  891.765124][T24401]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  891.765125][T24401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  891.765128][T24401]  put_chars (drivers/char/virtio_console.c:1176)
[  891.765130][T24401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  891.765131][T24401]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  891.765134][T24401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  891.765139][T24401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  891.765141][T24401]  ? vsnprintf (lib/vsprintf.c:2900)
[  891.765144][T24401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  891.765146][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765147][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765148][T24401]  console_emit_next_record (kernel/printk/printk.c:3183)
[  891.765151][T24401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  891.765153][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765154][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765155][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765156][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765159][T24401]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  891.765160][T24401]  console_flush_one_record (kernel/printk/printk.c:3268)
[  891.765163][T24401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  891.765165][T24401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  891.765167][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765169][T24401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  891.765171][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765172][T24401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.765173][T24401]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  891.765175][T24401]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  891.765176][T24401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  891.765178][T24401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  891.765180][T24401]  vprintk_emit (kernel/printk/printk.c:2479)
[  891.765181][T24401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  891.765183][T24401]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  891.765184][T24401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  891.765187][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765189][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765190][T24401]  _printk (kernel/printk/printk.c:2504)
[  891.765193][T24401]  ? snapshot_read.cold (user.c:?)
[  891.765195][T24401]  ? br_multicast_flood (??:?)
[  891.765198][T24401]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  891.765201][T24401]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  891.765202][T24401]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  891.765204][T24401]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  891.765207][T24401]  br_init_port (net/bridge/br_stp_if.c:39)
[  891.765208][T24401]  new_nbp (net/bridge/br_if.c:449)
[  891.765211][T24401]  br_add_if (net/bridge/br_if.c:592)
[  891.765212][T24401]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  891.765217][T24401]  do_set_master (net/core/rtnetlink.c:3071)
[  891.765218][T24401]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  891.765220][T24401]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  891.765221][T24401]  ? __dev_get_by_name (net/core/dev.c:905)
[  891.765223][T24401]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  891.765227][T24401]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  891.765229][T24401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  891.765231][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765233][T24401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  891.765234][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765235][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765237][T24401]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  891.765239][T24401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  891.765241][T24401]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  891.765243][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765244][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765246][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765247][T24401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  891.765249][T24401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  891.765250][T24401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  891.765252][T24401]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  891.765253][T24401]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  891.765257][T24401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  891.765260][T24401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  891.765261][T24401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.765263][T24401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  891.765264][T24401]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  891.765267][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765268][T24401]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  891.765270][T24401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  891.765273][T24401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  891.765275][T24401]  ? next_uptodate_folio (mm/filemap.c:3747)
[  891.765278][T24401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  891.765280][T24401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  891.765282][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765283][T24401]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  891.765287][T24401]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  891.765289][T24401]  ____sys_sendmsg (net/socket.c:2713)
[  891.765291][T24401]  ? copy_msghdr_from_user (net/socket.c:2650)
[  891.765293][T24401]  ? sock_write_iter (net/socket.c:1269)
[  891.765294][T24401]  ? move_addr_to_kernel (net/socket.c:258)
[  891.765296][T24401]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  891.765299][T24401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  891.765301][T24401]  ___sys_sendmsg (net/socket.c:2767)
[  891.765302][T24401]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  891.765304][T24401]  ? copy_msghdr_from_user (net/socket.c:2619)
[  891.765306][T24401]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  891.765310][T24401]  __sys_sendmsg (net/socket.c:2799)
[  891.765312][T24401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  891.765315][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765316][T24401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  891.765317][T24401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  891.765320][T24401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  891.765322][T24401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  891.765323][T24401] RIP: 0033:0x7f6bba50754e
[  891.765325][T24401] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  891.765327][T24401] RSP: 002b:00007ffc1c5c4990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  891.765331][T24401] RAX: ffffffffffffffda RBX: 00007ffc1c5c5158 RCX: 00007f6bba50754e
[  891.765332][T24401] RDX: 0000000000000000 RSI: 00007ffc1c5c4a40 RDI: 0000000000000005
[  891.765333][T24401] RBP: 00007ffc1c5c49a0 R08: 0000000000000000 R09: 0000000000000000
[  891.765334][T24401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911341
[  891.765335][T24401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1c5c5110
| [  893.044502][T24468] softirqs last disabled at (0): 0x0
| [  893.044504][T24468] Preemption disabled at:
| [  893.044505][T24468] vprintk_emit (kernel/printk/printk.c:2471)
| [  893.044514][T24468] Tainted: [W]=WARN
[  893.044515][T24468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  893.044517][T24468] Call Trace:
[  893.044518][T24468]  <TASK>
[  893.044519][T24468]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  893.044524][T24468]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  893.044526][T24468]  __might_resched.cold (kernel/sched/core.c:9234)
[  893.044530][T24468]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  893.044533][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044535][T24468]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  893.044538][T24468]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  893.044542][T24468]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  893.044547][T24468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  893.044548][T24468]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  893.044551][T24468]  put_chars (drivers/char/virtio_console.c:1176)
[  893.044553][T24468]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  893.044554][T24468]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  893.044556][T24468]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  893.044558][T24468]  ? pointer (lib/vsprintf.c:2577)
[  893.044561][T24468]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  893.044566][T24468]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  893.044568][T24468]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  893.044570][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044572][T24468]  console_emit_next_record (kernel/printk/printk.c:3183)
[  893.044575][T24468]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  893.044577][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044578][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044579][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044580][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044582][T24468]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  893.044584][T24468]  console_flush_one_record (kernel/printk/printk.c:3268)
[  893.044586][T24468]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  893.044589][T24468]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  893.044591][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044592][T24468]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  893.044594][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044595][T24468]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  893.044597][T24468]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  893.044598][T24468]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  893.044600][T24468]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  893.044602][T24468]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  893.044603][T24468]  vprintk_emit (kernel/printk/printk.c:2479)
[  893.044605][T24468]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  893.044606][T24468]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  893.044609][T24468]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  893.044612][T24468]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  893.044615][T24468]  _printk (kernel/printk/printk.c:2504)
[  893.044617][T24468]  ? snapshot_read.cold (user.c:?)
[  893.044619][T24468]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  893.044621][T24468]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  893.044625][T24468]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  893.044627][T24468]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  893.044630][T24468]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  893.044632][T24468]  ? netdev_notice (net/core/dev.c:13194)
[  893.044634][T24468]  ? 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)
[  893.044636][T24468]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  893.044638][T24468]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  893.044640][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044641][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044642][T24468]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  893.044644][T24468]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  893.044645][T24468]  ? 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)
[  893.044647][T24468]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  893.044648][T24468]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  893.044650][T24468]  ? register_netdev (net/core/dev.c:11618)
[  893.044651][T24468]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  893.044653][T24468]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  893.044656][T24468]  ? __kernel_text_address (kernel/extable.c:79)
[  893.044658][T24468]  ? write_profile (profile.c:?)
[  893.044661][T24468]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  893.044664][T24468]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  893.044666][T24468]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  893.044668][T24468]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  893.044669][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044670][T24468]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  893.044673][T24468]  ? kasan_save_stack (mm/kasan/common.c:58)
[  893.044675][T24468]  ? kasan_save_stack (mm/kasan/common.c:57)
[  893.044676][T24468]  ? kasan_save_track (mm/kasan/common.c:78)
[  893.044677][T24468]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  893.044678][T24468]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  893.044679][T24468]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  893.044681][T24468]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  893.044682][T24468]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  893.044685][T24468]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  893.044686][T24468]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  893.044688][T24468]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  893.044691][T24468]  ? ____sys_sendmsg (net/socket.c:2713)
[  893.044692][T24468]  ? ___sys_sendmsg (net/socket.c:2767)
[  893.044693][T24468]  ? __sys_sendmsg (net/socket.c:2799)
[  893.044695][T24468]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  893.044697][T24468]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  893.044700][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044701][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044703][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044704][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044705][T24468]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  893.044706][T24468]  ? __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)
[  893.044707][T24468]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  893.044709][T24468]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  893.044710][T24468]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  893.044711][T24468]  ? nla_get_range_signed (lib/nlattr.c:270)
[  893.044715][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044716][T24468]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  893.044718][T24468]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  893.044720][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044721][T24468]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  893.044723][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044724][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044725][T24468]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  893.044728][T24468]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  893.044729][T24468]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  893.044731][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044732][T24468]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  893.044735][T24468]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  893.044737][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044738][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044740][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044741][T24468]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  893.044742][T24468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  893.044744][T24468]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  893.044745][T24468]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  893.044747][T24468]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  893.044749][T24468]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  893.044751][T24468]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  893.044752][T24468]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  893.044754][T24468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  893.044756][T24468]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  893.044759][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044760][T24468]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  893.044762][T24468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  893.044764][T24468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  893.044766][T24468]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  893.044768][T24468]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  893.044770][T24468]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  893.044772][T24468]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  893.044773][T24468]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  893.044775][T24468]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  893.044778][T24468]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  893.044780][T24468]  ____sys_sendmsg (net/socket.c:2713)
[  893.044781][T24468]  ? copy_msghdr_from_user (net/socket.c:2650)
[  893.044783][T24468]  ? sock_write_iter (net/socket.c:1269)
[  893.044785][T24468]  ? move_addr_to_kernel (net/socket.c:258)
[  893.044786][T24468]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  893.044789][T24468]  ___sys_sendmsg (net/socket.c:2767)
[  893.044791][T24468]  ? copy_msghdr_from_user (net/socket.c:2619)
[  893.044795][T24468]  __sys_sendmsg (net/socket.c:2799)
[  893.044797][T24468]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  893.044800][T24468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  893.044801][T24468]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  893.044803][T24468]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  893.044805][T24468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  893.044807][T24468] RIP: 0033:0x7fa8bf08854e
[  893.044808][T24468] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  893.044810][T24468] RSP: 002b:00007fffc182ce70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  893.044814][T24468] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa8bf08854e
[  893.044815][T24468] RDX: 0000000000000000 RSI: 00007fffc182cf20 RDI: 0000000000000005
[  893.044816][T24468] RBP: 00007fffc182ce80 R08: 0000000000000000 R09: 0000000000000000
[  893.044817][T24468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911342
[  893.044818][T24468] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc182d5e0
| [  894.101058][T24527] softirqs last disabled at (0): 0x0
| [  894.101060][T24527] Preemption disabled at:
| [  894.101061][T24527] vprintk_emit (kernel/printk/printk.c:2471)
| [  894.101071][T24527] Tainted: [W]=WARN
[  894.101072][T24527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  894.101074][T24527] Call Trace:
[  894.101075][T24527]  <TASK>
[  894.101077][T24527]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  894.101082][T24527]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  894.101084][T24527]  __might_resched.cold (kernel/sched/core.c:9234)
[  894.101087][T24527]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  894.101089][T24527]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  894.101092][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101095][T24527]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  894.101098][T24527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  894.101101][T24527]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  894.101106][T24527]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  894.101108][T24527]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  894.101110][T24527]  put_chars (drivers/char/virtio_console.c:1176)
[  894.101112][T24527]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  894.101114][T24527]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  894.101117][T24527]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  894.101121][T24527]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  894.101123][T24527]  ? vsnprintf (lib/vsprintf.c:2900)
[  894.101126][T24527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  894.101128][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101129][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101131][T24527]  console_emit_next_record (kernel/printk/printk.c:3183)
[  894.101133][T24527]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  894.101135][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101136][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101137][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101138][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101141][T24527]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  894.101143][T24527]  console_flush_one_record (kernel/printk/printk.c:3268)
[  894.101145][T24527]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  894.101148][T24527]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  894.101149][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101151][T24527]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  894.101153][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101154][T24527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  894.101155][T24527]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  894.101157][T24527]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  894.101158][T24527]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  894.101160][T24527]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  894.101161][T24527]  vprintk_emit (kernel/printk/printk.c:2479)
[  894.101163][T24527]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  894.101164][T24527]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  894.101166][T24527]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  894.101169][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101170][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101172][T24527]  _printk (kernel/printk/printk.c:2504)
[  894.101175][T24527]  ? snapshot_read.cold (user.c:?)
[  894.101177][T24527]  ? br_multicast_flood (??:?)
[  894.101180][T24527]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  894.101183][T24527]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  894.101184][T24527]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  894.101186][T24527]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  894.101189][T24527]  br_init_port (net/bridge/br_stp_if.c:39)
[  894.101190][T24527]  new_nbp (net/bridge/br_if.c:449)
[  894.101193][T24527]  br_add_if (net/bridge/br_if.c:592)
[  894.101194][T24527]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  894.101199][T24527]  do_set_master (net/core/rtnetlink.c:3071)
[  894.101201][T24527]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  894.101202][T24527]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  894.101204][T24527]  ? __dev_get_by_name (net/core/dev.c:905)
[  894.101206][T24527]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  894.101209][T24527]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  894.101212][T24527]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  894.101214][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101215][T24527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  894.101216][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101218][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101219][T24527]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  894.101222][T24527]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  894.101224][T24527]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  894.101226][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101227][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101228][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101230][T24527]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  894.101231][T24527]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  894.101233][T24527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  894.101234][T24527]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  894.101235][T24527]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  894.101239][T24527]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  894.101242][T24527]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  894.101243][T24527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  894.101245][T24527]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  894.101246][T24527]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  894.101249][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101250][T24527]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  894.101252][T24527]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  894.101255][T24527]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  894.101257][T24527]  ? next_uptodate_folio (mm/filemap.c:3747)
[  894.101260][T24527]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  894.101262][T24527]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  894.101264][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101265][T24527]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  894.101269][T24527]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  894.101271][T24527]  ____sys_sendmsg (net/socket.c:2713)
[  894.101273][T24527]  ? copy_msghdr_from_user (net/socket.c:2650)
[  894.101275][T24527]  ? sock_write_iter (net/socket.c:1269)
[  894.101276][T24527]  ? move_addr_to_kernel (net/socket.c:258)
[  894.101278][T24527]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  894.101281][T24527]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  894.101283][T24527]  ___sys_sendmsg (net/socket.c:2767)
[  894.101284][T24527]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  894.101286][T24527]  ? copy_msghdr_from_user (net/socket.c:2619)
[  894.101288][T24527]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  894.101292][T24527]  __sys_sendmsg (net/socket.c:2799)
[  894.101294][T24527]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  894.101297][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101298][T24527]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  894.101300][T24527]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  894.101302][T24527]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  894.101304][T24527]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  894.101306][T24527] RIP: 0033:0x7fe40144654e
[  894.101308][T24527] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  894.101310][T24527] RSP: 002b:00007ffd2d5b7060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  894.101313][T24527] RAX: ffffffffffffffda RBX: 00007ffd2d5b7828 RCX: 00007fe40144654e
[  894.101315][T24527] RDX: 0000000000000000 RSI: 00007ffd2d5b7110 RDI: 0000000000000005
[  894.101316][T24527] RBP: 00007ffd2d5b7070 R08: 0000000000000000 R09: 0000000000000000
[  894.101317][T24527] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911343
[  894.101318][T24527] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2d5b77e0
| [  929.539934][   T12] softirqs last disabled at (2337588): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  929.539937][   T12] Preemption disabled at:
| [  929.539937][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  929.539948][   T12] Tainted: [W]=WARN
[  929.539949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  929.539950][   T12] Workqueue: netns cleanup_net
[  929.539956][   T12] Call Trace:
[  929.539957][   T12]  <TASK>
[  929.539959][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  929.539964][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  929.539966][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  929.539969][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  929.539971][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  929.539975][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.539977][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  929.539980][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  929.539983][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  929.539988][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  929.539990][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  929.539992][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  929.539994][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  929.539996][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  929.539998][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  929.540003][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  929.540005][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  929.540007][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  929.540009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540010][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540012][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  929.540014][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  929.540016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540020][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.540022][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  929.540024][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  929.540026][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  929.540029][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  929.540031][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.540033][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  929.540034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540035][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  929.540037][   T12]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  929.540038][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  929.540040][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  929.540042][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  929.540043][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  929.540045][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  929.540046][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  929.540048][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  929.540051][   T12]  ? kthread (kernel/kthread.c:436)
[  929.540053][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  929.540056][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  929.540058][   T12]  _printk (kernel/printk/printk.c:2504)
[  929.540061][   T12]  ? snapshot_read.cold (user.c:?)
[  929.540063][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  929.540066][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  929.540069][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  929.540071][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  929.540073][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540074][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  929.540075][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  929.540079][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  929.540080][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  929.540081][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  929.540084][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  929.540086][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  929.540090][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  929.540092][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  929.540095][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  929.540097][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  929.540099][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  929.540102][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  929.540103][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  929.540106][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  929.540107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  929.540115][   T12]  process_one_work (kernel/workqueue.c:3387)
[  929.540118][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  929.540120][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  929.540123][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  929.540126][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  929.540128][   T12]  kthread (kernel/kthread.c:436)
[  929.540129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  929.540131][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  929.540133][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  929.540135][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  929.540137][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  929.540140][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__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
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print