======================================
| [   12.235733][  T275] softirqs last disabled at (28476): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   12.235736][  T275] Preemption disabled at:
| [   12.235737][  T275] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.235745][  T275] Tainted: [W]=WARN
[   12.235746][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.235748][  T275] Call Trace:
[   12.235749][  T275]  <TASK>
[   12.235751][  T275]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.235757][  T275]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.235759][  T275]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.235764][  T275]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.235768][  T275]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.235773][  T275]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.235775][  T275]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.235782][  T275]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.235785][  T275]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.235789][  T275]  put_chars (drivers/char/virtio_console.c:1176)
[   12.235791][  T275]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.235798][  T275]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.235806][  T275]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.235809][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.235814][  T275]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.235818][  T275]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.235820][  T275]  ? 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))
[   12.235823][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.235826][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.235830][  T275]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.235835][  T275]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.235837][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.235842][  T275]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.235846][  T275]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.235848][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.235849][  T275]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.235853][  T275]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.235855][  T275]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.235858][  T275]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.235861][  T275]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.235864][  T275]  ? save_trace (kernel/locking/lockdep.c:589)
[   12.235868][  T275]  _printk (kernel/printk/printk.c:2504)
[   12.235872][  T275]  ? snapshot_read.cold (user.c:?)
[   12.235875][  T275]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.235878][  T275]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.235882][  T275]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.235885][  T275]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.235887][  T275]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.235890][  T275]  ? netdev_notice (net/core/dev.c:13194)
[   12.235893][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.235896][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.235899][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.235903][  T275]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.235905][  T275]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   12.235907][  T275]  ? 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))
[   12.235913][  T275]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   12.235915][  T275]  ? __kernel_text_address (kernel/extable.c:79)
[   12.235918][  T275]  ? write_profile (profile.c:?)
[   12.235923][  T275]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.235929][  T275]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   12.235932][  T275]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.235935][  T275]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.235936][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.235939][  T275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.235942][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.235944][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.235946][  T275]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.235949][  T275]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.235951][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.235952][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.235953][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.235956][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.235958][  T275]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.235961][  T275]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.235965][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.235967][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.235970][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.235972][  T275]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.235973][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.235974][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.235976][  T275]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.235978][  T275]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.235981][  T275]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.235983][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.235987][  T275]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.235988][  T275]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.235993][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.235995][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.236001][  T275]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.236007][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.236009][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.236013][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.236015][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.236018][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.236019][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.236023][  T275]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.236026][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.236029][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.236030][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.236035][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.236037][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.236041][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.236044][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.236048][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.236054][  T275]  ? 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))
[   12.236056][  T275]  ? 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))
[   12.236061][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.236065][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.236068][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.236073][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.236077][  T275]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.236081][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.236083][  T275]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.236088][  T275]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.236091][  T275]  ____sys_sendmsg (net/socket.c:2713)
[   12.236094][  T275]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.236096][  T275]  ? sock_write_iter (net/socket.c:1269)
[   12.236098][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.236106][  T275]  ___sys_sendmsg (net/socket.c:2767)
[   12.236109][  T275]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.236126][  T275]  __sys_sendmsg (net/socket.c:2799)
[   12.236129][  T275]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.236137][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.236141][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.236144][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.236147][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.236149][  T275] RIP: 0033:0x7f3889aa254e
[   12.236153][  T275] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.236154][  T275] RSP: 002b:00007ffdd37bba30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.236157][  T275] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3889aa254e
[   12.236158][  T275] RDX: 0000000000000000 RSI: 00007ffdd37bbae0 RDI: 0000000000000005
[   12.236159][  T275] RBP: 00007ffdd37bba40 R08: 0000000000000000 R09: 0000000000000000
[   12.236160][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab78
[   12.236161][  T275] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd37bc1b0
| [   23.917089][  T547] softirqs last disabled at (13520): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.917092][  T547] Preemption disabled at:
| [   23.917092][  T547] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.917101][  T547] Tainted: [W]=WARN
[   23.917102][  T547] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.917104][  T547] Call Trace:
[   23.917105][  T547]  <TASK>
[   23.917107][  T547]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.917113][  T547]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.917115][  T547]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.917119][  T547]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.917123][  T547]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.917128][  T547]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.917130][  T547]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.917138][  T547]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.917142][  T547]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.917146][  T547]  put_chars (drivers/char/virtio_console.c:1176)
[   23.917148][  T547]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.917149][  T547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.917153][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.917158][  T547]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.917166][  T547]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.917169][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917171][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.917175][  T547]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.917179][  T547]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.917181][  T547]  ? 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))
[   23.917185][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917186][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.917190][  T547]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.917194][  T547]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.917196][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.917202][  T547]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.917205][  T547]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.917207][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917208][  T547]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.917212][  T547]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.917214][  T547]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.917217][  T547]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.917220][  T547]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.917221][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.917223][  T547]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   23.917228][  T547]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.917231][  T547]  _printk (kernel/printk/printk.c:2504)
[   23.917235][  T547]  ? snapshot_read.cold (user.c:?)
[   23.917239][  T547]  ? br_multicast_flood (??:?)
[   23.917242][  T547]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.917244][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.917245][  T547]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.917249][  T547]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.917253][  T547]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.917256][  T547]  new_nbp (net/bridge/br_if.c:449)
[   23.917260][  T547]  br_add_if (net/bridge/br_if.c:592)
[   23.917262][  T547]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   23.917266][  T547]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   23.917272][  T547]  do_set_master (net/core/rtnetlink.c:3071)
[   23.917276][  T547]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.917279][  T547]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.917282][  T547]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.917284][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.917286][  T547]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.917290][  T547]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.917292][  T547]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.917294][  T547]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.917296][  T547]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.917299][  T547]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.917300][  T547]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.917301][  T547]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.917304][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.917305][  T547]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.917308][  T547]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.917312][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.917314][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.917317][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917318][  T547]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.917320][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917321][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917323][  T547]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.917325][  T547]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   23.917327][  T547]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.917329][  T547]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.917332][  T547]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.917333][  T547]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.917338][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917340][  T547]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.917346][  T547]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.917351][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.917353][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.917358][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.917360][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.917362][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.917364][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.917368][  T547]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.917370][  T547]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.917373][  T547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.917374][  T547]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.917378][  T547]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.917380][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.917384][  T547]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.917387][  T547]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.917390][  T547]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.917397][  T547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.917399][  T547]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.917403][  T547]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.917407][  T547]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.917410][  T547]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.917414][  T547]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.917418][  T547]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.917422][  T547]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.917424][  T547]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.917430][  T547]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.917433][  T547]  ____sys_sendmsg (net/socket.c:2713)
[   23.917436][  T547]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.917438][  T547]  ? sock_write_iter (net/socket.c:1269)
[   23.917439][  T547]  ? move_addr_to_kernel (net/socket.c:258)
[   23.917447][  T547]  ___sys_sendmsg (net/socket.c:2767)
[   23.917450][  T547]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.917466][  T547]  __sys_sendmsg (net/socket.c:2799)
[   23.917469][  T547]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.917475][  T547]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.917478][  T547]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.917481][  T547]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.917484][  T547]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.917486][  T547] RIP: 0033:0x7fbe3c67454e
[   23.917490][  T547] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.917492][  T547] RSP: 002b:00007ffe53101a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.917494][  T547] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbe3c67454e
[   23.917496][  T547] RDX: 0000000000000000 RSI: 00007ffe53101b20 RDI: 0000000000000005
[   23.917497][  T547] RBP: 00007ffe53101a80 R08: 0000000000000000 R09: 0000000000000000
[   23.917498][  T547] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab84
[   23.917499][  T547] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe531021f0
| [   25.459465][  T638] softirqs last disabled at (15240): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   25.459467][  T638] Preemption disabled at:
| [   25.459468][  T638] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.459476][  T638] Tainted: [W]=WARN
[   25.459477][  T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.459479][  T638] Call Trace:
[   25.459480][  T638]  <TASK>
[   25.459482][  T638]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.459488][  T638]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.459490][  T638]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.459495][  T638]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.459499][  T638]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.459504][  T638]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.459506][  T638]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.459513][  T638]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.459516][  T638]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.459520][  T638]  put_chars (drivers/char/virtio_console.c:1176)
[   25.459523][  T638]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.459524][  T638]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.459528][  T638]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.459534][  T638]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.459542][  T638]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.459545][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459547][  T638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.459553][  T638]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.459557][  T638]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.459560][  T638]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.459563][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459565][  T638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.459569][  T638]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.459573][  T638]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.459575][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.459580][  T638]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.459583][  T638]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.459585][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459587][  T638]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   25.459591][  T638]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.459593][  T638]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.459596][  T638]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.459599][  T638]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.459601][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.459604][  T638]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.459607][  T638]  _printk (kernel/printk/printk.c:2504)
[   25.459611][  T638]  ? snapshot_read.cold (user.c:?)
[   25.459615][  T638]  ? br_multicast_flood (??:?)
[   25.459618][  T638]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.459619][  T638]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.459621][  T638]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.459625][  T638]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   25.459629][  T638]  br_init_port (net/bridge/br_stp_if.c:39)
[   25.459632][  T638]  new_nbp (net/bridge/br_if.c:449)
[   25.459636][  T638]  br_add_if (net/bridge/br_if.c:592)
[   25.459639][  T638]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   25.459643][  T638]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   25.459649][  T638]  do_set_master (net/core/rtnetlink.c:3071)
[   25.459654][  T638]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   25.459657][  T638]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.459661][  T638]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.459662][  T638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.459665][  T638]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.459669][  T638]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.459672][  T638]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.459674][  T638]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.459676][  T638]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.459679][  T638]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.459680][  T638]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.459681][  T638]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.459684][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.459686][  T638]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.459689][  T638]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.459693][  T638]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.459695][  T638]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.459698][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459700][  T638]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.459702][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459705][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459707][  T638]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.459715][  T638]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   25.459718][  T638]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.459720][  T638]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.459724][  T638]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.459725][  T638]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.459730][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459732][  T638]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.459737][  T638]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.459746][  T638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.459750][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.459758][  T638]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.459761][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.459763][  T638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.459765][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.459769][  T638]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.459771][  T638]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.459775][  T638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.459776][  T638]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.459781][  T638]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.459783][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.459787][  T638]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.459790][  T638]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.459793][  T638]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.459800][  T638]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.459802][  T638]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.459807][  T638]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.459812][  T638]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.459814][  T638]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.459819][  T638]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.459824][  T638]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.459828][  T638]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.459830][  T638]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.459836][  T638]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.459839][  T638]  ____sys_sendmsg (net/socket.c:2713)
[   25.459842][  T638]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.459844][  T638]  ? sock_write_iter (net/socket.c:1269)
[   25.459846][  T638]  ? move_addr_to_kernel (net/socket.c:258)
[   25.459854][  T638]  ___sys_sendmsg (net/socket.c:2767)
[   25.459858][  T638]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.459876][  T638]  __sys_sendmsg (net/socket.c:2799)
[   25.459879][  T638]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.459886][  T638]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.459889][  T638]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.459892][  T638]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.459896][  T638]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.459898][  T638] RIP: 0033:0x7f86a649454e
[   25.459902][  T638] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.459904][  T638] RSP: 002b:00007ffe12285740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.459907][  T638] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f86a649454e
[   25.459908][  T638] RDX: 0000000000000000 RSI: 00007ffe122857f0 RDI: 0000000000000005
[   25.459909][  T638] RBP: 00007ffe12285750 R08: 0000000000000000 R09: 0000000000000000
[   25.459910][  T638] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab85
[   25.459911][  T638] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe12285ec0
| [   26.941130][  T708] softirqs last disabled at (19430): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   26.941132][  T708] Preemption disabled at:
| [   26.941133][  T708] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.941146][  T708] Tainted: [W]=WARN
[   26.941147][  T708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.941148][  T708] Call Trace:
[   26.941150][  T708]  <TASK>
[   26.941151][  T708]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.941158][  T708]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.941159][  T708]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.941164][  T708]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.941169][  T708]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.941173][  T708]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.941175][  T708]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.941182][  T708]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.941184][  T708]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.941188][  T708]  put_chars (drivers/char/virtio_console.c:1176)
[   26.941191][  T708]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.941192][  T708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.941196][  T708]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.941201][  T708]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.941209][  T708]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.941211][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941213][  T708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.941217][  T708]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.941222][  T708]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.941223][  T708]  ? 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))
[   26.941227][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941228][  T708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.941233][  T708]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.941237][  T708]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.941239][  T708]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.941244][  T708]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.941247][  T708]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.941249][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941251][  T708]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   26.941255][  T708]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.941257][  T708]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.941259][  T708]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.941262][  T708]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.941264][  T708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.941267][  T708]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.941271][  T708]  _printk (kernel/printk/printk.c:2504)
[   26.941274][  T708]  ? snapshot_read.cold (user.c:?)
[   26.941278][  T708]  ? br_multicast_flood (??:?)
[   26.941281][  T708]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.941283][  T708]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.941284][  T708]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.941289][  T708]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   26.941293][  T708]  br_init_port (net/bridge/br_stp_if.c:39)
[   26.941295][  T708]  new_nbp (net/bridge/br_if.c:449)
[   26.941299][  T708]  br_add_if (net/bridge/br_if.c:592)
[   26.941302][  T708]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.941305][  T708]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   26.941311][  T708]  do_set_master (net/core/rtnetlink.c:3071)
[   26.941315][  T708]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.941319][  T708]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.941322][  T708]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.941323][  T708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.941326][  T708]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.941329][  T708]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.941331][  T708]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.941333][  T708]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.941335][  T708]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.941338][  T708]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.941339][  T708]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.941340][  T708]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.941343][  T708]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.941344][  T708]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.941347][  T708]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.941351][  T708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.941353][  T708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.941356][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941358][  T708]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.941359][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941360][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941362][  T708]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.941364][  T708]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.941367][  T708]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.941369][  T708]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.941372][  T708]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.941373][  T708]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.941378][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941381][  T708]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.941386][  T708]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.941391][  T708]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.941393][  T708]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.941398][  T708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.941400][  T708]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.941402][  T708]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.941404][  T708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.941408][  T708]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.941410][  T708]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.941413][  T708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.941414][  T708]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.941419][  T708]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.941421][  T708]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.941424][  T708]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.941428][  T708]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.941431][  T708]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.941438][  T708]  ? 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))
[   26.941440][  T708]  ? 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))
[   26.941444][  T708]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.941448][  T708]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.941451][  T708]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.941455][  T708]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.941459][  T708]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.941463][  T708]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.941464][  T708]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.941470][  T708]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.941473][  T708]  ____sys_sendmsg (net/socket.c:2713)
[   26.941475][  T708]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.941477][  T708]  ? sock_write_iter (net/socket.c:1269)
[   26.941479][  T708]  ? move_addr_to_kernel (net/socket.c:258)
[   26.941486][  T708]  ___sys_sendmsg (net/socket.c:2767)
[   26.941489][  T708]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.941505][  T708]  __sys_sendmsg (net/socket.c:2799)
[   26.941508][  T708]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.941515][  T708]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.941518][  T708]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.941521][  T708]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.941524][  T708]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.941526][  T708] RIP: 0033:0x7fa0eef6a54e
[   26.941530][  T708] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.941531][  T708] RSP: 002b:00007fff5cc842f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.941534][  T708] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa0eef6a54e
[   26.941536][  T708] RDX: 0000000000000000 RSI: 00007fff5cc843a0 RDI: 0000000000000005
[   26.941536][  T708] RBP: 00007fff5cc84300 R08: 0000000000000000 R09: 0000000000000000
[   26.941537][  T708] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab87
[   26.941538][  T708] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5cc84a70
| [   28.403059][  T794] softirqs last disabled at (26290): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   28.403062][  T794] Preemption disabled at:
| [   28.403063][  T794] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.403075][  T794] Tainted: [W]=WARN
[   28.403076][  T794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.403078][  T794] Call Trace:
[   28.403080][  T794]  <TASK>
[   28.403082][  T794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.403090][  T794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.403092][  T794]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.403099][  T794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.403105][  T794]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.403112][  T794]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.403115][  T794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.403125][  T794]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.403128][  T794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.403134][  T794]  put_chars (drivers/char/virtio_console.c:1176)
[   28.403141][  T794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.403143][  T794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.403148][  T794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.403159][  T794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.403171][  T794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.403176][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403179][  T794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.403186][  T794]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.403193][  T794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.403196][  T794]  ? 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))
[   28.403201][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403205][  T794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.403212][  T794]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.403220][  T794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.403223][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.403232][  T794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.403237][  T794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.403240][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403243][  T794]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.403250][  T794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.403253][  T794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.403258][  T794]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.403263][  T794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.403267][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.403271][  T794]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.403278][  T794]  _printk (kernel/printk/printk.c:2504)
[   28.403283][  T794]  ? snapshot_read.cold (user.c:?)
[   28.403289][  T794]  ? br_multicast_flood (??:?)
[   28.403294][  T794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.403296][  T794]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.403299][  T794]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.403306][  T794]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.403313][  T794]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.403318][  T794]  new_nbp (net/bridge/br_if.c:449)
[   28.403324][  T794]  br_add_if (net/bridge/br_if.c:592)
[   28.403328][  T794]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   28.403333][  T794]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   28.403343][  T794]  do_set_master (net/core/rtnetlink.c:3071)
[   28.403350][  T794]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.403356][  T794]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.403361][  T794]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.403363][  T794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.403367][  T794]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.403372][  T794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.403376][  T794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.403379][  T794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.403383][  T794]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.403386][  T794]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.403388][  T794]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.403390][  T794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   28.403394][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.403397][  T794]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   28.403401][  T794]  ? ___sys_sendmsg (net/socket.c:2758)
[   28.403408][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.403411][  T794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.403416][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403419][  T794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.403422][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403424][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403427][  T794]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.403431][  T794]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   28.403434][  T794]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.403438][  T794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.403444][  T794]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.403446][  T794]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.403454][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403459][  T794]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.403468][  T794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.403479][  T794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.403482][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.403490][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.403493][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.403497][  T794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.403500][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.403507][  T794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.403511][  T794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.403516][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.403519][  T794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.403527][  T794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.403530][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.403537][  T794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.403541][  T794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.403547][  T794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.403559][  T794]  ? 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))
[   28.403562][  T794]  ? 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))
[   28.403570][  T794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.403577][  T794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.403581][  T794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.403589][  T794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.403596][  T794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.403603][  T794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.403606][  T794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   28.403615][  T794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   28.403619][  T794]  ____sys_sendmsg (net/socket.c:2713)
[   28.403623][  T794]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.403627][  T794]  ? sock_write_iter (net/socket.c:1269)
[   28.403630][  T794]  ? move_addr_to_kernel (net/socket.c:258)
[   28.403644][  T794]  ___sys_sendmsg (net/socket.c:2767)
[   28.403649][  T794]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.403679][  T794]  __sys_sendmsg (net/socket.c:2799)
[   28.403684][  T794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.403696][  T794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.403702][  T794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.403706][  T794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.403711][  T794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.403714][  T794] RIP: 0033:0x7f118003754e
[   28.403719][  T794] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   28.403722][  T794] RSP: 002b:00007fff0e5d23a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.403732][  T794] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f118003754e
[   28.403734][  T794] RDX: 0000000000000000 RSI: 00007fff0e5d2450 RDI: 0000000000000005
[   28.403735][  T794] RBP: 00007fff0e5d23b0 R08: 0000000000000000 R09: 0000000000000000
[   28.403737][  T794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab88
[   28.403738][  T794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0e5d2b20
| [   30.058171][   T12] softirqs last disabled at (28042): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   30.058174][   T12] Preemption disabled at:
| [   30.058175][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.058186][   T12] Tainted: [W]=WARN
[   30.058187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.058190][   T12] Workqueue: netns cleanup_net
[   30.058194][   T12] Call Trace:
[   30.058196][   T12]  <TASK>
[   30.058198][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.058205][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.058208][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.058214][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.058220][   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)
[   30.058227][   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))
[   30.058231][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.058240][   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)
[   30.058244][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.058250][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   30.058254][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.058260][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   30.058269][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.058274][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.058284][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.058289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.058299][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.058306][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.058308][   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))
[   30.058314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.058317][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.058325][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.058332][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.058335][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.058345][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.058349][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.058352][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.058355][   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)
[   30.058362][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.058365][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.058370][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.058375][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.058378][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   30.058381][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   30.058383][   T12]  ? kthread (kernel/kthread.c:436)
[   30.058386][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   30.058390][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   30.058398][   T12]  _printk (kernel/printk/printk.c:2504)
[   30.058403][   T12]  ? snapshot_read.cold (user.c:?)
[   30.058411][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.058417][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.058424][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.058430][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   30.058438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.058441][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   30.058445][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   30.058449][   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)
[   30.058453][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   30.058460][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   30.058465][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   30.058475][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   30.058481][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   30.058487][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   30.058493][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.058498][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.058501][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.058506][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   30.058514][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   30.058520][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.058527][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.058530][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.058536][   T12]  process_one_work (kernel/workqueue.c:3387)
[   30.058550][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   30.058575][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.058589][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   30.058602][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   30.058606][   T12]  kthread (kernel/kthread.c:436)
[   30.058608][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.058613][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   30.058618][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.058623][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   30.058629][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.058633][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   30.058638][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   31.731076][  T930] softirqs last disabled at (21852): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   31.731080][  T930] Preemption disabled at:
| [   31.731081][  T930] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.731091][  T930] Tainted: [W]=WARN
[   31.731093][  T930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.731094][  T930] Call Trace:
[   31.731096][  T930]  <TASK>
[   31.731098][  T930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.731106][  T930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.731108][  T930]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.731114][  T930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.731120][  T930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.731126][  T930]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   31.731129][  T930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.731140][  T930]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.731144][  T930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.731150][  T930]  put_chars (drivers/char/virtio_console.c:1176)
[   31.731153][  T930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.731164][  T930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.731176][  T930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.731180][  T930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.731187][  T930]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.731193][  T930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.731196][  T930]  ? 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))
[   31.731201][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731205][  T930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.731211][  T930]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.731218][  T930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.731220][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.731229][  T930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.731233][  T930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.731236][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731239][  T930]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   31.731245][  T930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.731247][  T930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.731251][  T930]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.731257][  T930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.731259][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.731262][  T930]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   31.731265][  T930]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   31.731271][  T930]  _printk (kernel/printk/printk.c:2504)
[   31.731275][  T930]  ? snapshot_read.cold (user.c:?)
[   31.731278][  T930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.731282][  T930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.731286][  T930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.731289][  T930]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.731294][  T930]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.731298][  T930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.731301][  T930]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.731305][  T930]  ? netdev_notice (net/core/dev.c:13194)
[   31.731309][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.731314][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.731317][  T930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.731323][  T930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.731326][  T930]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   31.731329][  T930]  ? 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))
[   31.731337][  T930]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   31.731341][  T930]  ? __kernel_text_address (kernel/extable.c:79)
[   31.731344][  T930]  ? write_profile (profile.c:?)
[   31.731349][  T930]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   31.731358][  T930]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   31.731363][  T930]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.731366][  T930]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.731369][  T930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.731371][  T930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.731376][  T930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.731379][  T930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.731382][  T930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.731386][  T930]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.731389][  T930]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.731390][  T930]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.731392][  T930]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.731396][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.731399][  T930]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   31.731403][  T930]  ? ___sys_sendmsg (net/socket.c:2758)
[   31.731408][  T930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.731411][  T930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.731415][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731418][  T930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.731420][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731422][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731426][  T930]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.731429][  T930]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   31.731433][  T930]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.731436][  T930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.731442][  T930]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.731443][  T930]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.731451][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731454][  T930]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.731463][  T930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.731472][  T930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.731475][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.731482][  T930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.731485][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.731488][  T930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.731491][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.731497][  T930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.731500][  T930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.731505][  T930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.731507][  T930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.731514][  T930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.731517][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.731523][  T930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.731527][  T930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.731532][  T930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.731542][  T930]  ? 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))
[   31.731545][  T930]  ? 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))
[   31.731552][  T930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.731559][  T930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.731563][  T930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.731570][  T930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.731576][  T930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.731582][  T930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.731584][  T930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   31.731593][  T930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   31.731597][  T930]  ____sys_sendmsg (net/socket.c:2713)
[   31.731600][  T930]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.731604][  T930]  ? sock_write_iter (net/socket.c:1269)
[   31.731606][  T930]  ? move_addr_to_kernel (net/socket.c:258)
[   31.731619][  T930]  ___sys_sendmsg (net/socket.c:2767)
[   31.731623][  T930]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.731650][  T930]  __sys_sendmsg (net/socket.c:2799)
[   31.731654][  T930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.731665][  T930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.731670][  T930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.731674][  T930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.731678][  T930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.731681][  T930] RIP: 0033:0x7fbced59754e
[   31.731686][  T930] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.731688][  T930] RSP: 002b:00007ffe2c6fadd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.731692][  T930] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbced59754e
[   31.731694][  T930] RDX: 0000000000000000 RSI: 00007ffe2c6fae80 RDI: 0000000000000005
[   31.731695][  T930] RBP: 00007ffe2c6fade0 R08: 0000000000000000 R09: 0000000000000000
[   31.731696][  T930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab8c
[   31.731698][  T930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2c6fb550
| [   44.033769][ T1224] softirqs last disabled at (19376): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   44.033773][ T1224] Preemption disabled at:
| [   44.033774][ T1224] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.033785][ T1224] Tainted: [W]=WARN
[   44.033786][ T1224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.033789][ T1224] Call Trace:
[   44.033791][ T1224]  <TASK>
[   44.033793][ T1224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.033801][ T1224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.033812][ T1224]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.033818][ T1224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.033824][ T1224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.033831][ T1224]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.033834][ T1224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.033844][ T1224]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.033847][ T1224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.033853][ T1224]  put_chars (drivers/char/virtio_console.c:1176)
[   44.033857][ T1224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.033860][ T1224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.033865][ T1224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.033874][ T1224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.033886][ T1224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.033891][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.033894][ T1224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.033901][ T1224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.033907][ T1224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.033910][ T1224]  ? 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))
[   44.033916][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.033918][ T1224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.033926][ T1224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.033933][ T1224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.033936][ T1224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.033945][ T1224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.033950][ T1224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.033952][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.033956][ T1224]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   44.033962][ T1224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.033965][ T1224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.033970][ T1224]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.033975][ T1224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.033978][ T1224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.033983][ T1224]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   44.033989][ T1224]  _printk (kernel/printk/printk.c:2504)
[   44.033994][ T1224]  ? snapshot_read.cold (user.c:?)
[   44.034000][ T1224]  ? br_multicast_flood (??:?)
[   44.034004][ T1224]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.034007][ T1224]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.034009][ T1224]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.034016][ T1224]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   44.034023][ T1224]  br_init_port (net/bridge/br_stp_if.c:39)
[   44.034027][ T1224]  new_nbp (net/bridge/br_if.c:449)
[   44.034034][ T1224]  br_add_if (net/bridge/br_if.c:592)
[   44.034038][ T1224]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   44.034043][ T1224]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   44.034051][ T1224]  do_set_master (net/core/rtnetlink.c:3071)
[   44.034058][ T1224]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   44.034064][ T1224]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   44.034069][ T1224]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   44.034071][ T1224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.034075][ T1224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.034080][ T1224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.034083][ T1224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.034086][ T1224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.034090][ T1224]  ? kasan_save_stack (mm/kasan/common.c:58)
[   44.034094][ T1224]  ? kasan_save_stack (mm/kasan/common.c:57)
[   44.034096][ T1224]  ? kasan_save_track (mm/kasan/common.c:78)
[   44.034098][ T1224]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.034102][ T1224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.034105][ T1224]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   44.034109][ T1224]  ? ___sys_sendmsg (net/socket.c:2758)
[   44.034115][ T1224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.034118][ T1224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.034123][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.034126][ T1224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.034128][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.034130][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.034133][ T1224]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   44.034139][ T1224]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   44.034143][ T1224]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   44.034146][ T1224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   44.034152][ T1224]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   44.034154][ T1224]  ? nla_get_range_signed (lib/nlattr.c:270)
[   44.034162][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.034166][ T1224]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   44.034176][ T1224]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   44.034185][ T1224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.034189][ T1224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.034197][ T1224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.034200][ T1224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.034203][ T1224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.034206][ T1224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.034213][ T1224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   44.034217][ T1224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.034222][ T1224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.034224][ T1224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.034232][ T1224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.034235][ T1224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.034242][ T1224]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.034246][ T1224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.034251][ T1224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.034263][ T1224]  ? 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))
[   44.034266][ T1224]  ? 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))
[   44.034274][ T1224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.034281][ T1224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.034285][ T1224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.034293][ T1224]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.034300][ T1224]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.034307][ T1224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.034309][ T1224]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   44.034318][ T1224]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   44.034322][ T1224]  ____sys_sendmsg (net/socket.c:2713)
[   44.034326][ T1224]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.034330][ T1224]  ? sock_write_iter (net/socket.c:1269)
[   44.034332][ T1224]  ? move_addr_to_kernel (net/socket.c:258)
[   44.034346][ T1224]  ___sys_sendmsg (net/socket.c:2767)
[   44.034350][ T1224]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.034381][ T1224]  __sys_sendmsg (net/socket.c:2799)
[   44.034385][ T1224]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.034396][ T1224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.034401][ T1224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.034405][ T1224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.034410][ T1224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.034413][ T1224] RIP: 0033:0x7f2256c7e54e
[   44.034418][ T1224] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.034420][ T1224] RSP: 002b:00007ffe82e85d40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.034424][ T1224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2256c7e54e
[   44.034426][ T1224] RDX: 0000000000000000 RSI: 00007ffe82e85df0 RDI: 0000000000000005
[   44.034428][ T1224] RBP: 00007ffe82e85d50 R08: 0000000000000000 R09: 0000000000000000
[   44.034429][ T1224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab98
[   44.034431][ T1224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe82e864c0
| [   45.790677][ T1315] softirqs last disabled at (16032): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   45.790679][ T1315] Preemption disabled at:
| [   45.790680][ T1315] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.790688][ T1315] Tainted: [W]=WARN
[   45.790689][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.790690][ T1315] Call Trace:
[   45.790692][ T1315]  <TASK>
[   45.790693][ T1315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.790700][ T1315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.790701][ T1315]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.790706][ T1315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.790710][ T1315]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.790715][ T1315]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.790716][ T1315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.790723][ T1315]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.790726][ T1315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.790729][ T1315]  put_chars (drivers/char/virtio_console.c:1176)
[   45.790732][ T1315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.790733][ T1315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.790737][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.790743][ T1315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.790750][ T1315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.790753][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790755][ T1315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.790759][ T1315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.790763][ T1315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.790765][ T1315]  ? 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))
[   45.790769][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790770][ T1315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.790775][ T1315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.790779][ T1315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.790781][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.790787][ T1315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.790790][ T1315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.790792][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790793][ T1315]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   45.790797][ T1315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.790799][ T1315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.790802][ T1315]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.790805][ T1315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.790807][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.790810][ T1315]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   45.790818][ T1315]  _printk (kernel/printk/printk.c:2504)
[   45.790822][ T1315]  ? snapshot_read.cold (user.c:?)
[   45.790826][ T1315]  ? br_multicast_flood (??:?)
[   45.790829][ T1315]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   45.790830][ T1315]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.790832][ T1315]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.790836][ T1315]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   45.790840][ T1315]  br_init_port (net/bridge/br_stp_if.c:39)
[   45.790843][ T1315]  new_nbp (net/bridge/br_if.c:449)
[   45.790846][ T1315]  br_add_if (net/bridge/br_if.c:592)
[   45.790849][ T1315]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   45.790852][ T1315]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   45.790858][ T1315]  do_set_master (net/core/rtnetlink.c:3071)
[   45.790862][ T1315]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   45.790865][ T1315]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   45.790869][ T1315]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   45.790870][ T1315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.790873][ T1315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.790876][ T1315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.790878][ T1315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.790880][ T1315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.790882][ T1315]  ? kasan_save_stack (mm/kasan/common.c:58)
[   45.790885][ T1315]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.790886][ T1315]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.790887][ T1315]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.790890][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.790892][ T1315]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   45.790894][ T1315]  ? ___sys_sendmsg (net/socket.c:2758)
[   45.790898][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.790900][ T1315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.790903][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790904][ T1315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.790906][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790907][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790909][ T1315]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   45.790911][ T1315]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   45.790914][ T1315]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   45.790916][ T1315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   45.790919][ T1315]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   45.790921][ T1315]  ? nla_get_range_signed (lib/nlattr.c:270)
[   45.790926][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.790928][ T1315]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   45.790934][ T1315]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   45.790939][ T1315]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.790941][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.790945][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.790947][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.790950][ T1315]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.790951][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.790955][ T1315]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   45.790957][ T1315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.790960][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.790962][ T1315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.790966][ T1315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.790968][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.790972][ T1315]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.790975][ T1315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.790978][ T1315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.790984][ T1315]  ? 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))
[   45.790986][ T1315]  ? 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))
[   45.790991][ T1315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.790995][ T1315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.790998][ T1315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.791002][ T1315]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.791006][ T1315]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.791010][ T1315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.791011][ T1315]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   45.791017][ T1315]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   45.791020][ T1315]  ____sys_sendmsg (net/socket.c:2713)
[   45.791022][ T1315]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.791024][ T1315]  ? sock_write_iter (net/socket.c:1269)
[   45.791026][ T1315]  ? move_addr_to_kernel (net/socket.c:258)
[   45.791033][ T1315]  ___sys_sendmsg (net/socket.c:2767)
[   45.791036][ T1315]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.791052][ T1315]  __sys_sendmsg (net/socket.c:2799)
[   45.791055][ T1315]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.791062][ T1315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.791065][ T1315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.791068][ T1315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.791071][ T1315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.791073][ T1315] RIP: 0033:0x7f139be6154e
[   45.791077][ T1315] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   45.791078][ T1315] RSP: 002b:00007fff44a2fcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.791081][ T1315] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f139be6154e
[   45.791083][ T1315] RDX: 0000000000000000 RSI: 00007fff44a2fd60 RDI: 0000000000000005
[   45.791083][ T1315] RBP: 00007fff44a2fcc0 R08: 0000000000000000 R09: 0000000000000000
[   45.791084][ T1315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab9a
[   45.791085][ T1315] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff44a30430
| [   47.167356][ T1381] softirqs last disabled at (23004): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   47.167358][ T1381] Preemption disabled at:
| [   47.167359][ T1381] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.167368][ T1381] Tainted: [W]=WARN
[   47.167369][ T1381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.167371][ T1381] Call Trace:
[   47.167372][ T1381]  <TASK>
[   47.167374][ T1381]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.167380][ T1381]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.167382][ T1381]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.167387][ T1381]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.167391][ T1381]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.167396][ T1381]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.167398][ T1381]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.167405][ T1381]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.167408][ T1381]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.167412][ T1381]  put_chars (drivers/char/virtio_console.c:1176)
[   47.167414][ T1381]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.167415][ T1381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.167419][ T1381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.167426][ T1381]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.167434][ T1381]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.167437][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167439][ T1381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.167443][ T1381]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.167448][ T1381]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.167449][ T1381]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   47.167453][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167455][ T1381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.167459][ T1381]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.167463][ T1381]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.167465][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.167471][ T1381]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.167474][ T1381]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.167476][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167477][ T1381]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   47.167481][ T1381]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.167483][ T1381]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.167486][ T1381]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.167489][ T1381]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.167491][ T1381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.167494][ T1381]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   47.167498][ T1381]  _printk (kernel/printk/printk.c:2504)
[   47.167501][ T1381]  ? snapshot_read.cold (user.c:?)
[   47.167505][ T1381]  ? br_multicast_flood (??:?)
[   47.167509][ T1381]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   47.167510][ T1381]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.167511][ T1381]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.167516][ T1381]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   47.167520][ T1381]  br_init_port (net/bridge/br_stp_if.c:39)
[   47.167522][ T1381]  new_nbp (net/bridge/br_if.c:449)
[   47.167526][ T1381]  br_add_if (net/bridge/br_if.c:592)
[   47.167529][ T1381]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.167533][ T1381]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.167538][ T1381]  do_set_master (net/core/rtnetlink.c:3071)
[   47.167542][ T1381]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   47.167546][ T1381]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.167549][ T1381]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.167551][ T1381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.167554][ T1381]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.167557][ T1381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.167559][ T1381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.167561][ T1381]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.167564][ T1381]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.167566][ T1381]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.167568][ T1381]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.167569][ T1381]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.167571][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.167573][ T1381]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   47.167576][ T1381]  ? ___sys_sendmsg (net/socket.c:2758)
[   47.167580][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.167582][ T1381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.167587][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167590][ T1381]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.167592][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167594][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167596][ T1381]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.167598][ T1381]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   47.167601][ T1381]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.167603][ T1381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.167606][ T1381]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.167608][ T1381]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.167613][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167615][ T1381]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.167620][ T1381]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.167626][ T1381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.167628][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.167632][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.167635][ T1381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.167637][ T1381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.167639][ T1381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.167643][ T1381]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.167645][ T1381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.167648][ T1381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.167649][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.167654][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.167656][ T1381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.167659][ T1381]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.167662][ T1381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.167665][ T1381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.167672][ T1381]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   47.167674][ T1381]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   47.167679][ T1381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.167683][ T1381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.167686][ T1381]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   47.167690][ T1381]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.167694][ T1381]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.167698][ T1381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.167700][ T1381]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   47.167705][ T1381]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   47.167708][ T1381]  ____sys_sendmsg (net/socket.c:2713)
[   47.167711][ T1381]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.167713][ T1381]  ? sock_write_iter (net/socket.c:1269)
[   47.167715][ T1381]  ? move_addr_to_kernel (net/socket.c:258)
[   47.167722][ T1381]  ___sys_sendmsg (net/socket.c:2767)
[   47.167725][ T1381]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.167741][ T1381]  __sys_sendmsg (net/socket.c:2799)
[   47.167744][ T1381]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.167751][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.167754][ T1381]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.167757][ T1381]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.167760][ T1381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.167762][ T1381] RIP: 0033:0x7f57394d054e
[   47.167766][ T1381] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   47.167768][ T1381] RSP: 002b:00007ffd77e7afa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.167772][ T1381] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f57394d054e
[   47.167774][ T1381] RDX: 0000000000000000 RSI: 00007ffd77e7b050 RDI: 0000000000000005
[   47.167776][ T1381] RBP: 00007ffd77e7afb0 R08: 0000000000000000 R09: 0000000000000000
[   47.167777][ T1381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab9b
[   47.167778][ T1381] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd77e7b720
| [   48.685512][ T1471] softirqs last disabled at (36010): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   48.685515][ T1471] Preemption disabled at:
| [   48.685515][ T1471] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.685524][ T1471] Tainted: [W]=WARN
[   48.685525][ T1471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.685527][ T1471] Call Trace:
[   48.685528][ T1471]  <TASK>
[   48.685530][ T1471]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.685536][ T1471]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.685538][ T1471]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.685542][ T1471]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.685547][ T1471]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.685551][ T1471]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.685553][ T1471]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.685560][ T1471]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.685562][ T1471]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.685566][ T1471]  put_chars (drivers/char/virtio_console.c:1176)
[   48.685568][ T1471]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.685570][ T1471]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.685573][ T1471]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.685579][ T1471]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.685587][ T1471]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.685589][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685591][ T1471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.685595][ T1471]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.685599][ T1471]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.685601][ T1471]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.685604][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685606][ T1471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.685610][ T1471]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.685614][ T1471]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.685616][ T1471]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.685621][ T1471]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.685624][ T1471]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.685626][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685628][ T1471]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   48.685631][ T1471]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.685633][ T1471]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.685636][ T1471]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.685639][ T1471]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.685641][ T1471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.685643][ T1471]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.685647][ T1471]  _printk (kernel/printk/printk.c:2504)
[   48.685651][ T1471]  ? snapshot_read.cold (user.c:?)
[   48.685654][ T1471]  ? br_multicast_flood (??:?)
[   48.685658][ T1471]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   48.685659][ T1471]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.685660][ T1471]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.685664][ T1471]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   48.685669][ T1471]  br_init_port (net/bridge/br_stp_if.c:39)
[   48.685671][ T1471]  new_nbp (net/bridge/br_if.c:449)
[   48.685675][ T1471]  br_add_if (net/bridge/br_if.c:592)
[   48.685678][ T1471]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   48.685681][ T1471]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   48.685687][ T1471]  do_set_master (net/core/rtnetlink.c:3071)
[   48.685690][ T1471]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   48.685694][ T1471]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.685697][ T1471]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.685698][ T1471]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.685701][ T1471]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.685705][ T1471]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.685707][ T1471]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.685708][ T1471]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.685711][ T1471]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.685713][ T1471]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.685715][ T1471]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.685716][ T1471]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.685718][ T1471]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.685720][ T1471]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.685723][ T1471]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.685726][ T1471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.685728][ T1471]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.685731][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685732][ T1471]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.685734][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685735][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685737][ T1471]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.685739][ T1471]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.685742][ T1471]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.685744][ T1471]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.685747][ T1471]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.685748][ T1471]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.685753][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685755][ T1471]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.685760][ T1471]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.685766][ T1471]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.685768][ T1471]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.685772][ T1471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.685774][ T1471]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.685777][ T1471]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.685778][ T1471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.685782][ T1471]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.685784][ T1471]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.685787][ T1471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.685789][ T1471]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.685793][ T1471]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.685795][ T1471]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.685798][ T1471]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.685802][ T1471]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.685805][ T1471]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.685811][ T1471]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.685813][ T1471]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.685818][ T1471]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.685822][ T1471]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.685824][ T1471]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.685835][ T1471]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.685839][ T1471]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.685843][ T1471]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.685845][ T1471]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.685850][ T1471]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.685853][ T1471]  ____sys_sendmsg (net/socket.c:2713)
[   48.685855][ T1471]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.685857][ T1471]  ? sock_write_iter (net/socket.c:1269)
[   48.685859][ T1471]  ? move_addr_to_kernel (net/socket.c:258)
[   48.685866][ T1471]  ___sys_sendmsg (net/socket.c:2767)
[   48.685869][ T1471]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.685884][ T1471]  __sys_sendmsg (net/socket.c:2799)
[   48.685887][ T1471]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.685893][ T1471]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.685896][ T1471]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.685899][ T1471]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.685902][ T1471]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.685904][ T1471] RIP: 0033:0x7fe95541b54e
[   48.685908][ T1471] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.685910][ T1471] RSP: 002b:00007ffc54005e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.685912][ T1471] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe95541b54e
[   48.685914][ T1471] RDX: 0000000000000000 RSI: 00007ffc54005f10 RDI: 0000000000000005
[   48.685915][ T1471] RBP: 00007ffc54005e70 R08: 0000000000000000 R09: 0000000000000000
[   48.685915][ T1471] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ab9d
[   48.685916][ T1471] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc540065e0
| [   50.174626][   T12] softirqs last disabled at (360808): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   50.174628][   T12] Preemption disabled at:
| [   50.174629][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.174638][   T12] Tainted: [W]=WARN
[   50.174639][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.174641][   T12] Workqueue: netns cleanup_net
[   50.174644][   T12] Call Trace:
[   50.174646][   T12]  <TASK>
[   50.174648][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.174654][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.174656][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.174660][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.174664][   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)
[   50.174669][   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))
[   50.174671][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.174678][   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)
[   50.174681][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.174685][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   50.174688][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.174689][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.174693][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.174696][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.174701][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.174705][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.174711][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.174714][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.174719][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.174723][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.174725][   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))
[   50.174728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.174730][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.174734][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.174739][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.174740][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.174746][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.174749][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.174751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.174753][   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)
[   50.174757][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.174758][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.174761][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.174765][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.174766][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   50.174768][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   50.174770][   T12]  ? kthread (kernel/kthread.c:436)
[   50.174772][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   50.174775][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   50.174780][   T12]  _printk (kernel/printk/printk.c:2504)
[   50.174783][   T12]  ? snapshot_read.cold (user.c:?)
[   50.174788][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.174792][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.174796][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.174799][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   50.174804][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.174805][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   50.174808][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   50.174810][   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)
[   50.174813][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   50.174817][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   50.174821][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   50.174827][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   50.174831][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   50.174840][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   50.174843][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   50.174847][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   50.174849][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.174852][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.174857][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   50.174860][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.174864][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.174866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.174870][   T12]  process_one_work (kernel/workqueue.c:3387)
[   50.174877][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   50.174880][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.174888][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   50.174895][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   50.174897][   T12]  kthread (kernel/kthread.c:436)
[   50.174899][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.174902][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   50.174905][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.174908][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   50.174912][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.174915][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   50.174918][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.714495][ T1603] softirqs last disabled at (22712): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.714497][ T1603] Preemption disabled at:
| [   51.714498][ T1603] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.714507][ T1603] Tainted: [W]=WARN
[   51.714508][ T1603] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.714509][ T1603] Call Trace:
[   51.714511][ T1603]  <TASK>
[   51.714512][ T1603]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.714518][ T1603]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.714520][ T1603]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.714524][ T1603]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.714528][ T1603]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.714533][ T1603]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.714535][ T1603]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.714541][ T1603]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.714544][ T1603]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.714548][ T1603]  put_chars (drivers/char/virtio_console.c:1176)
[   51.714550][ T1603]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.714556][ T1603]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.714564][ T1603]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.714567][ T1603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.714572][ T1603]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.714576][ T1603]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.714578][ T1603]  ? 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))
[   51.714581][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714584][ T1603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.714588][ T1603]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.714592][ T1603]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.714594][ T1603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714599][ T1603]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.714602][ T1603]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.714603][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714605][ T1603]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   51.714609][ T1603]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.714611][ T1603]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.714614][ T1603]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.714617][ T1603]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.714619][ T1603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714620][ T1603]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   51.714622][ T1603]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   51.714626][ T1603]  _printk (kernel/printk/printk.c:2504)
[   51.714630][ T1603]  ? snapshot_read.cold (user.c:?)
[   51.714632][ T1603]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.714634][ T1603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.714637][ T1603]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.714639][ T1603]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.714643][ T1603]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.714645][ T1603]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.714648][ T1603]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.714651][ T1603]  ? netdev_notice (net/core/dev.c:13194)
[   51.714653][ T1603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.714656][ T1603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.714659][ T1603]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.714662][ T1603]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.714664][ T1603]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.714667][ T1603]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   51.714672][ T1603]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.714674][ T1603]  ? __kernel_text_address (kernel/extable.c:79)
[   51.714677][ T1603]  ? write_profile (profile.c:?)
[   51.714681][ T1603]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.714686][ T1603]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.714690][ T1603]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.714692][ T1603]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.714693][ T1603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.714695][ T1603]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.714699][ T1603]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.714701][ T1603]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.714702][ T1603]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.714705][ T1603]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.714707][ T1603]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.714708][ T1603]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.714709][ T1603]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.714711][ T1603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714713][ T1603]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   51.714716][ T1603]  ? ___sys_sendmsg (net/socket.c:2758)
[   51.714720][ T1603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.714722][ T1603]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.714724][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714726][ T1603]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.714728][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714729][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714730][ T1603]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.714733][ T1603]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   51.714736][ T1603]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.714738][ T1603]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.714741][ T1603]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.714742][ T1603]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.714747][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714749][ T1603]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.714754][ T1603]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.714759][ T1603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.714761][ T1603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714766][ T1603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.714767][ T1603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.714769][ T1603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.714771][ T1603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.714775][ T1603]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.714777][ T1603]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.714780][ T1603]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.714781][ T1603]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.714786][ T1603]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.714788][ T1603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.714791][ T1603]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.714795][ T1603]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.714798][ T1603]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.714804][ T1603]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.714806][ T1603]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.714810][ T1603]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.714814][ T1603]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.714817][ T1603]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.714821][ T1603]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.714825][ T1603]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.714828][ T1603]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.714830][ T1603]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   51.714835][ T1603]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.714838][ T1603]  ____sys_sendmsg (net/socket.c:2713)
[   51.714841][ T1603]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.714848][ T1603]  ? sock_write_iter (net/socket.c:1269)
[   51.714850][ T1603]  ? move_addr_to_kernel (net/socket.c:258)
[   51.714857][ T1603]  ___sys_sendmsg (net/socket.c:2767)
[   51.714860][ T1603]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.714876][ T1603]  __sys_sendmsg (net/socket.c:2799)
[   51.714879][ T1603]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.714885][ T1603]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.714888][ T1603]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.714891][ T1603]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.714894][ T1603]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.714896][ T1603] RIP: 0033:0x7f458a4c954e
[   51.714900][ T1603] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.714901][ T1603] RSP: 002b:00007ffe3fc054c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.714904][ T1603] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f458a4c954e
[   51.714905][ T1603] RDX: 0000000000000000 RSI: 00007ffe3fc05570 RDI: 0000000000000005
[   51.714906][ T1603] RBP: 00007ffe3fc054d0 R08: 0000000000000000 R09: 0000000000000000
[   51.714907][ T1603] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91aba0
[   51.714908][ T1603] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3fc05c40
| [   63.692160][ T1892] softirqs last disabled at (16946): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   63.692163][ T1892] Preemption disabled at:
| [   63.692163][ T1892] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.692171][ T1892] Tainted: [W]=WARN
[   63.692172][ T1892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.692174][ T1892] Call Trace:
[   63.692175][ T1892]  <TASK>
[   63.692177][ T1892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.692183][ T1892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.692185][ T1892]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.692189][ T1892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.692193][ T1892]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.692197][ T1892]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   63.692199][ T1892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.692206][ T1892]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.692208][ T1892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.692212][ T1892]  put_chars (drivers/char/virtio_console.c:1176)
[   63.692214][ T1892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.692216][ T1892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.692219][ T1892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.692225][ T1892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.692232][ T1892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.692235][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692237][ T1892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.692241][ T1892]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.692247][ T1892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.692250][ T1892]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   63.692253][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692255][ T1892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.692259][ T1892]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.692263][ T1892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.692265][ T1892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.692271][ T1892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.692273][ T1892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.692275][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692277][ T1892]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   63.692281][ T1892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.692282][ T1892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.692285][ T1892]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.692288][ T1892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.692290][ T1892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.692293][ T1892]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.692296][ T1892]  _printk (kernel/printk/printk.c:2504)
[   63.692300][ T1892]  ? snapshot_read.cold (user.c:?)
[   63.692303][ T1892]  ? br_multicast_flood (??:?)
[   63.692307][ T1892]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   63.692308][ T1892]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.692309][ T1892]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.692313][ T1892]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   63.692318][ T1892]  br_init_port (net/bridge/br_stp_if.c:39)
[   63.692320][ T1892]  new_nbp (net/bridge/br_if.c:449)
[   63.692324][ T1892]  br_add_if (net/bridge/br_if.c:592)
[   63.692326][ T1892]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   63.692330][ T1892]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.692335][ T1892]  do_set_master (net/core/rtnetlink.c:3071)
[   63.692339][ T1892]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   63.692342][ T1892]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.692346][ T1892]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.692347][ T1892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.692350][ T1892]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.692353][ T1892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.692355][ T1892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.692357][ T1892]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.692359][ T1892]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.692361][ T1892]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.692363][ T1892]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.692364][ T1892]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.692366][ T1892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.692368][ T1892]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   63.692371][ T1892]  ? ___sys_sendmsg (net/socket.c:2758)
[   63.692375][ T1892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.692378][ T1892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.692382][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692385][ T1892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.692386][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692387][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692389][ T1892]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.692392][ T1892]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   63.692394][ T1892]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.692396][ T1892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.692399][ T1892]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.692400][ T1892]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.692405][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692408][ T1892]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.692413][ T1892]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.692418][ T1892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.692420][ T1892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.692426][ T1892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.692428][ T1892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.692431][ T1892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.692433][ T1892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.692437][ T1892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.692439][ T1892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.692442][ T1892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.692443][ T1892]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.692447][ T1892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.692449][ T1892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.692453][ T1892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.692456][ T1892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.692459][ T1892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.692469][ T1892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.692471][ T1892]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.692476][ T1892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.692480][ T1892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.692482][ T1892]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.692487][ T1892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.692490][ T1892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.692494][ T1892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.692496][ T1892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.692501][ T1892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.692504][ T1892]  ____sys_sendmsg (net/socket.c:2713)
[   63.692507][ T1892]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.692509][ T1892]  ? sock_write_iter (net/socket.c:1269)
[   63.692510][ T1892]  ? move_addr_to_kernel (net/socket.c:258)
[   63.692518][ T1892]  ___sys_sendmsg (net/socket.c:2767)
[   63.692521][ T1892]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.692536][ T1892]  __sys_sendmsg (net/socket.c:2799)
[   63.692539][ T1892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.692546][ T1892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.692549][ T1892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.692552][ T1892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.692554][ T1892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.692557][ T1892] RIP: 0033:0x7fbd1f9d354e
[   63.692560][ T1892] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.692562][ T1892] RSP: 002b:00007ffd630de380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.692564][ T1892] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd1f9d354e
[   63.692566][ T1892] RDX: 0000000000000000 RSI: 00007ffd630de430 RDI: 0000000000000005
[   63.692567][ T1892] RBP: 00007ffd630de390 R08: 0000000000000000 R09: 0000000000000000
[   63.692568][ T1892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abac
[   63.692568][ T1892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd630deb00
| [   65.326974][ T1975] softirqs last disabled at (16296): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   65.326977][ T1975] Preemption disabled at:
| [   65.326977][ T1975] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.326987][ T1975] Tainted: [W]=WARN
[   65.326988][ T1975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.326990][ T1975] Call Trace:
[   65.326991][ T1975]  <TASK>
[   65.326993][ T1975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.326999][ T1975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.327000][ T1975]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.327005][ T1975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.327009][ T1975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.327014][ T1975]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.327016][ T1975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.327023][ T1975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.327026][ T1975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.327030][ T1975]  put_chars (drivers/char/virtio_console.c:1176)
[   65.327033][ T1975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.327034][ T1975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.327038][ T1975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.327043][ T1975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.327051][ T1975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.327054][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327056][ T1975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.327060][ T1975]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.327064][ T1975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.327066][ T1975]  ? 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))
[   65.327070][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327071][ T1975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.327076][ T1975]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.327080][ T1975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.327082][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.327087][ T1975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.327090][ T1975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.327092][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327094][ T1975]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   65.327098][ T1975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.327100][ T1975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.327103][ T1975]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.327106][ T1975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.327108][ T1975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.327111][ T1975]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.327114][ T1975]  _printk (kernel/printk/printk.c:2504)
[   65.327118][ T1975]  ? snapshot_read.cold (user.c:?)
[   65.327122][ T1975]  ? br_multicast_flood (??:?)
[   65.327126][ T1975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.327127][ T1975]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.327128][ T1975]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.327133][ T1975]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   65.327139][ T1975]  br_init_port (net/bridge/br_stp_if.c:39)
[   65.327141][ T1975]  new_nbp (net/bridge/br_if.c:449)
[   65.327145][ T1975]  br_add_if (net/bridge/br_if.c:592)
[   65.327148][ T1975]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.327151][ T1975]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.327157][ T1975]  do_set_master (net/core/rtnetlink.c:3071)
[   65.327161][ T1975]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.327165][ T1975]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.327168][ T1975]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.327169][ T1975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.327172][ T1975]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.327176][ T1975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.327178][ T1975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.327180][ T1975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.327182][ T1975]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.327185][ T1975]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.327186][ T1975]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.327187][ T1975]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.327190][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.327192][ T1975]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   65.327195][ T1975]  ? ___sys_sendmsg (net/socket.c:2758)
[   65.327199][ T1975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.327201][ T1975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.327203][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327205][ T1975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.327207][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327208][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327210][ T1975]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.327212][ T1975]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   65.327215][ T1975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.327217][ T1975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.327220][ T1975]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.327221][ T1975]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.327227][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327229][ T1975]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.327235][ T1975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.327240][ T1975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.327242][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.327247][ T1975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.327249][ T1975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.327251][ T1975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.327253][ T1975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.327257][ T1975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.327259][ T1975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.327262][ T1975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.327264][ T1975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.327268][ T1975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.327270][ T1975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.327274][ T1975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.327277][ T1975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.327280][ T1975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.327287][ T1975]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.327289][ T1975]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.327294][ T1975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.327298][ T1975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.327301][ T1975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.327305][ T1975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.327309][ T1975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.327313][ T1975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.327315][ T1975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.327320][ T1975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.327323][ T1975]  ____sys_sendmsg (net/socket.c:2713)
[   65.327326][ T1975]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.327328][ T1975]  ? sock_write_iter (net/socket.c:1269)
[   65.327330][ T1975]  ? move_addr_to_kernel (net/socket.c:258)
[   65.327337][ T1975]  ___sys_sendmsg (net/socket.c:2767)
[   65.327340][ T1975]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.327357][ T1975]  __sys_sendmsg (net/socket.c:2799)
[   65.327360][ T1975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.327366][ T1975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.327369][ T1975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.327372][ T1975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.327375][ T1975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.327378][ T1975] RIP: 0033:0x7ff7fd3be54e
[   65.327382][ T1975] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.327383][ T1975] RSP: 002b:00007ffcdc016cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.327386][ T1975] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff7fd3be54e
[   65.327387][ T1975] RDX: 0000000000000000 RSI: 00007ffcdc016da0 RDI: 0000000000000005
[   65.327388][ T1975] RBP: 00007ffcdc016d00 R08: 0000000000000000 R09: 0000000000000000
[   65.327389][ T1975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abad
[   65.327390][ T1975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdc017470
| [   66.907360][ T2046] softirqs last disabled at (17024): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.907362][ T2046] Preemption disabled at:
| [   66.907363][ T2046] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.907371][ T2046] Tainted: [W]=WARN
[   66.907372][ T2046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.907374][ T2046] Call Trace:
[   66.907375][ T2046]  <TASK>
[   66.907377][ T2046]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.907383][ T2046]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.907385][ T2046]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.907389][ T2046]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.907393][ T2046]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.907398][ T2046]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   66.907400][ T2046]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.907407][ T2046]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.907409][ T2046]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.907413][ T2046]  put_chars (drivers/char/virtio_console.c:1176)
[   66.907415][ T2046]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.907417][ T2046]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.907420][ T2046]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.907429][ T2046]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.907437][ T2046]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.907439][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907442][ T2046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.907446][ T2046]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.907450][ T2046]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.907452][ T2046]  ? 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))
[   66.907455][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907457][ T2046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.907461][ T2046]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.907465][ T2046]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.907467][ T2046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.907472][ T2046]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.907475][ T2046]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.907477][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907479][ T2046]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   66.907483][ T2046]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.907485][ T2046]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.907487][ T2046]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.907490][ T2046]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.907492][ T2046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.907495][ T2046]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   66.907499][ T2046]  _printk (kernel/printk/printk.c:2504)
[   66.907502][ T2046]  ? snapshot_read.cold (user.c:?)
[   66.907506][ T2046]  ? br_multicast_flood (??:?)
[   66.907510][ T2046]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   66.907511][ T2046]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.907512][ T2046]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.907516][ T2046]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   66.907521][ T2046]  br_init_port (net/bridge/br_stp_if.c:39)
[   66.907523][ T2046]  new_nbp (net/bridge/br_if.c:449)
[   66.907527][ T2046]  br_add_if (net/bridge/br_if.c:592)
[   66.907529][ T2046]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   66.907533][ T2046]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   66.907538][ T2046]  do_set_master (net/core/rtnetlink.c:3071)
[   66.907542][ T2046]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   66.907546][ T2046]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   66.907549][ T2046]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   66.907550][ T2046]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   66.907553][ T2046]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   66.907556][ T2046]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.907558][ T2046]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.907560][ T2046]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.907563][ T2046]  ? kasan_save_stack (mm/kasan/common.c:58)
[   66.907565][ T2046]  ? kasan_save_stack (mm/kasan/common.c:57)
[   66.907566][ T2046]  ? kasan_save_track (mm/kasan/common.c:78)
[   66.907567][ T2046]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   66.907570][ T2046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.907571][ T2046]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   66.907574][ T2046]  ? ___sys_sendmsg (net/socket.c:2758)
[   66.907578][ T2046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.907580][ T2046]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.907583][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907585][ T2046]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.907586][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907587][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907589][ T2046]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.907591][ T2046]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   66.907594][ T2046]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   66.907596][ T2046]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   66.907599][ T2046]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.907600][ T2046]  ? nla_get_range_signed (lib/nlattr.c:270)
[   66.907606][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907608][ T2046]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   66.907613][ T2046]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.907618][ T2046]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.907620][ T2046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.907625][ T2046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.907627][ T2046]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.907629][ T2046]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.907631][ T2046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.907635][ T2046]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.907637][ T2046]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.907640][ T2046]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.907641][ T2046]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.907645][ T2046]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.907647][ T2046]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.907651][ T2046]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.907654][ T2046]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.907657][ T2046]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.907664][ T2046]  ? 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))
[   66.907666][ T2046]  ? 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))
[   66.907670][ T2046]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.907674][ T2046]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.907677][ T2046]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.907681][ T2046]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.907685][ T2046]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.907689][ T2046]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.907691][ T2046]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.907696][ T2046]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.907699][ T2046]  ____sys_sendmsg (net/socket.c:2713)
[   66.907701][ T2046]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.907704][ T2046]  ? sock_write_iter (net/socket.c:1269)
[   66.907705][ T2046]  ? move_addr_to_kernel (net/socket.c:258)
[   66.907713][ T2046]  ___sys_sendmsg (net/socket.c:2767)
[   66.907716][ T2046]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.907732][ T2046]  __sys_sendmsg (net/socket.c:2799)
[   66.907735][ T2046]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.907741][ T2046]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.907744][ T2046]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.907747][ T2046]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.907750][ T2046]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.907753][ T2046] RIP: 0033:0x7fce942a254e
[   66.907757][ T2046] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.907758][ T2046] RSP: 002b:00007ffcc2faa860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.907761][ T2046] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fce942a254e
[   66.907763][ T2046] RDX: 0000000000000000 RSI: 00007ffcc2faa910 RDI: 0000000000000005
[   66.907764][ T2046] RBP: 00007ffcc2faa870 R08: 0000000000000000 R09: 0000000000000000
[   66.907764][ T2046] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abaf
[   66.907765][ T2046] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc2faafe0
| [   68.459557][ T2125] softirqs last disabled at (15352): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   68.459559][ T2125] Preemption disabled at:
| [   68.459560][ T2125] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.459568][ T2125] Tainted: [W]=WARN
[   68.459569][ T2125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.459571][ T2125] Call Trace:
[   68.459572][ T2125]  <TASK>
[   68.459574][ T2125]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.459580][ T2125]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.459582][ T2125]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.459586][ T2125]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.459590][ T2125]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.459595][ T2125]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   68.459597][ T2125]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.459603][ T2125]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.459606][ T2125]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.459610][ T2125]  put_chars (drivers/char/virtio_console.c:1176)
[   68.459612][ T2125]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.459613][ T2125]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.459617][ T2125]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.459623][ T2125]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.459631][ T2125]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.459633][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459635][ T2125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.459639][ T2125]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.459643][ T2125]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.459645][ T2125]  ? 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))
[   68.459648][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459650][ T2125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.459654][ T2125]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.459658][ T2125]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.459660][ T2125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.459665][ T2125]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.459668][ T2125]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.459670][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459672][ T2125]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   68.459675][ T2125]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.459677][ T2125]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.459680][ T2125]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.459683][ T2125]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.459685][ T2125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.459687][ T2125]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.459691][ T2125]  _printk (kernel/printk/printk.c:2504)
[   68.459695][ T2125]  ? snapshot_read.cold (user.c:?)
[   68.459698][ T2125]  ? br_multicast_flood (??:?)
[   68.459702][ T2125]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.459703][ T2125]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.459704][ T2125]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.459709][ T2125]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   68.459713][ T2125]  br_init_port (net/bridge/br_stp_if.c:39)
[   68.459715][ T2125]  new_nbp (net/bridge/br_if.c:449)
[   68.459719][ T2125]  br_add_if (net/bridge/br_if.c:592)
[   68.459722][ T2125]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   68.459725][ T2125]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   68.459731][ T2125]  do_set_master (net/core/rtnetlink.c:3071)
[   68.459735][ T2125]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.459738][ T2125]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.459741][ T2125]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.459743][ T2125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.459745][ T2125]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.459749][ T2125]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.459751][ T2125]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.459753][ T2125]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.459755][ T2125]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.459757][ T2125]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.459759][ T2125]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.459760][ T2125]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.459762][ T2125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.459764][ T2125]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   68.459767][ T2125]  ? ___sys_sendmsg (net/socket.c:2758)
[   68.459770][ T2125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.459772][ T2125]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.459775][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459777][ T2125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.459778][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459779][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459781][ T2125]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.459783][ T2125]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   68.459786][ T2125]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.459788][ T2125]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.459791][ T2125]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.459792][ T2125]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.459798][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459800][ T2125]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.459805][ T2125]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.459810][ T2125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.459812][ T2125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.459817][ T2125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.459819][ T2125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.459821][ T2125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.459823][ T2125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.459826][ T2125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.459829][ T2125]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.459832][ T2125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.459833][ T2125]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.459837][ T2125]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.459839][ T2125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.459843][ T2125]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.459846][ T2125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.459849][ T2125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.459855][ T2125]  ? 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))
[   68.459857][ T2125]  ? 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))
[   68.459862][ T2125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.459866][ T2125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.459868][ T2125]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.459873][ T2125]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.459877][ T2125]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.459881][ T2125]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.459882][ T2125]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   68.459888][ T2125]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   68.459891][ T2125]  ____sys_sendmsg (net/socket.c:2713)
[   68.459893][ T2125]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.459895][ T2125]  ? sock_write_iter (net/socket.c:1269)
[   68.459897][ T2125]  ? move_addr_to_kernel (net/socket.c:258)
[   68.459904][ T2125]  ___sys_sendmsg (net/socket.c:2767)
[   68.459907][ T2125]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.459923][ T2125]  __sys_sendmsg (net/socket.c:2799)
[   68.459931][ T2125]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.459938][ T2125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.459941][ T2125]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.459944][ T2125]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.459947][ T2125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.459949][ T2125] RIP: 0033:0x7fae7548f54e
[   68.459953][ T2125] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.459955][ T2125] RSP: 002b:00007ffdfcffd4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.459957][ T2125] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fae7548f54e
[   68.459959][ T2125] RDX: 0000000000000000 RSI: 00007ffdfcffd550 RDI: 0000000000000005
[   68.459960][ T2125] RBP: 00007ffdfcffd4b0 R08: 0000000000000000 R09: 0000000000000000
[   68.459960][ T2125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abb0
[   68.459961][ T2125] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfcffdc20
| [   69.993616][   T12] softirqs last disabled at (684768): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   69.993618][   T12] Preemption disabled at:
| [   69.993618][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.993627][   T12] Tainted: [W]=WARN
[   69.993628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.993630][   T12] Workqueue: netns cleanup_net
[   69.993633][   T12] Call Trace:
[   69.993635][   T12]  <TASK>
[   69.993637][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.993643][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.993645][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.993649][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.993653][   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)
[   69.993658][   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))
[   69.993660][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.993666][   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)
[   69.993669][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.993673][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   69.993676][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.993677][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.993681][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.993684][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.993689][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.993693][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.993698][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.993701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.993706][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.993710][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.993712][   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))
[   69.993715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.993717][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.993721][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.993725][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.993727][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.993733][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.993736][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.993738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.993739][   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)
[   69.993743][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.993745][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.993748][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.993751][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.993752][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   69.993754][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   69.993756][   T12]  ? kthread (kernel/kthread.c:436)
[   69.993758][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   69.993761][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   69.993766][   T12]  _printk (kernel/printk/printk.c:2504)
[   69.993769][   T12]  ? snapshot_read.cold (user.c:?)
[   69.993774][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.993778][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.993782][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.993785][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   69.993789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.993791][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   69.993794][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   69.993796][   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)
[   69.993798][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   69.993802][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   69.993806][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   69.993812][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   69.993816][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   69.993819][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   69.993823][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   69.993827][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.993828][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.993831][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   69.993836][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   69.993839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.993843][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.993845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.993848][   T12]  process_one_work (kernel/workqueue.c:3387)
[   69.993855][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   69.993858][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.993866][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   69.993873][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   69.993875][   T12]  kthread (kernel/kthread.c:436)
[   69.993877][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.993881][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   69.993884][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.993886][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   69.993890][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.993893][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   69.993896][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.541735][ T2256] softirqs last disabled at (16292): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   71.541738][ T2256] Preemption disabled at:
| [   71.541738][ T2256] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.541747][ T2256] Tainted: [W]=WARN
[   71.541748][ T2256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.541750][ T2256] Call Trace:
[   71.541751][ T2256]  <TASK>
[   71.541753][ T2256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.541759][ T2256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.541760][ T2256]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.541765][ T2256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.541769][ T2256]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   71.541774][ T2256]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   71.541776][ T2256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.541782][ T2256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.541785][ T2256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.541789][ T2256]  put_chars (drivers/char/virtio_console.c:1176)
[   71.541791][ T2256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.541798][ T2256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.541805][ T2256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.541809][ T2256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.541813][ T2256]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.541818][ T2256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.541819][ T2256]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   71.541823][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.541825][ T2256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.541829][ T2256]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.541834][ T2256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.541836][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.541841][ T2256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.541844][ T2256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.541846][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.541848][ T2256]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   71.541851][ T2256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.541853][ T2256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.541856][ T2256]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.541859][ T2256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.541861][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.541863][ T2256]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   71.541865][ T2256]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   71.541869][ T2256]  _printk (kernel/printk/printk.c:2504)
[   71.541872][ T2256]  ? snapshot_read.cold (user.c:?)
[   71.541874][ T2256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.541877][ T2256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.541879][ T2256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.541882][ T2256]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   71.541885][ T2256]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   71.541888][ T2256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.541890][ T2256]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   71.541893][ T2256]  ? netdev_notice (net/core/dev.c:13194)
[   71.541896][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.541899][ T2256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.541902][ T2256]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   71.541905][ T2256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.541907][ T2256]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   71.541910][ T2256]  ? 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))
[   71.541915][ T2256]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   71.541918][ T2256]  ? __kernel_text_address (kernel/extable.c:79)
[   71.541921][ T2256]  ? write_profile (profile.c:?)
[   71.541925][ T2256]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   71.541931][ T2256]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   71.541934][ T2256]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   71.541936][ T2256]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   71.541938][ T2256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.541945][ T2256]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.541949][ T2256]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.541951][ T2256]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.541952][ T2256]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.541955][ T2256]  ? kasan_save_stack (mm/kasan/common.c:58)
[   71.541957][ T2256]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.541958][ T2256]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.541959][ T2256]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.541962][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.541964][ T2256]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   71.541967][ T2256]  ? ___sys_sendmsg (net/socket.c:2758)
[   71.541970][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.541972][ T2256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.541975][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.541976][ T2256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.541978][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.541979][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.541981][ T2256]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   71.541983][ T2256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   71.541986][ T2256]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.541988][ T2256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.541991][ T2256]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   71.541992][ T2256]  ? nla_get_range_signed (lib/nlattr.c:270)
[   71.541997][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.541999][ T2256]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   71.542005][ T2256]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.542010][ T2256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.542012][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.542016][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.542018][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.542020][ T2256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.542022][ T2256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.542026][ T2256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.542028][ T2256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.542031][ T2256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.542032][ T2256]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.542037][ T2256]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.542039][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.542042][ T2256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.542045][ T2256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.542048][ T2256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.542054][ T2256]  ? 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))
[   71.542057][ T2256]  ? 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))
[   71.542061][ T2256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.542065][ T2256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.542067][ T2256]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.542072][ T2256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.542076][ T2256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.542079][ T2256]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.542081][ T2256]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   71.542086][ T2256]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   71.542089][ T2256]  ____sys_sendmsg (net/socket.c:2713)
[   71.542091][ T2256]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.542094][ T2256]  ? sock_write_iter (net/socket.c:1269)
[   71.542095][ T2256]  ? move_addr_to_kernel (net/socket.c:258)
[   71.542102][ T2256]  ___sys_sendmsg (net/socket.c:2767)
[   71.542105][ T2256]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.542121][ T2256]  __sys_sendmsg (net/socket.c:2799)
[   71.542124][ T2256]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.542130][ T2256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.542133][ T2256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.542138][ T2256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.542141][ T2256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.542143][ T2256] RIP: 0033:0x7fcf07d9254e
[   71.542147][ T2256] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   71.542149][ T2256] RSP: 002b:00007ffd94f09240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.542151][ T2256] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcf07d9254e
[   71.542153][ T2256] RDX: 0000000000000000 RSI: 00007ffd94f092f0 RDI: 0000000000000005
[   71.542154][ T2256] RBP: 00007ffd94f09250 R08: 0000000000000000 R09: 0000000000000000
[   71.542154][ T2256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abb3
[   71.542155][ T2256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd94f099c0
| [   83.593852][ T2557] softirqs last disabled at (19144): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   83.593855][ T2557] Preemption disabled at:
| [   83.593856][ T2557] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.593865][ T2557] Tainted: [W]=WARN
[   83.593866][ T2557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.593868][ T2557] Call Trace:
[   83.593869][ T2557]  <TASK>
[   83.593871][ T2557]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.593878][ T2557]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.593879][ T2557]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.593884][ T2557]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.593888][ T2557]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   83.593893][ T2557]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   83.593895][ T2557]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.593901][ T2557]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   83.593904][ T2557]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.593908][ T2557]  put_chars (drivers/char/virtio_console.c:1176)
[   83.593910][ T2557]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.593911][ T2557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.593915][ T2557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.593921][ T2557]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.593928][ T2557]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.593931][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.593933][ T2557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.593937][ T2557]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.593941][ T2557]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.593943][ T2557]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   83.593947][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.593948][ T2557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.593952][ T2557]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.593957][ T2557]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.593958][ T2557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.593964][ T2557]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.593967][ T2557]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.593969][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.593970][ T2557]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   83.593974][ T2557]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.593976][ T2557]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.593979][ T2557]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.593982][ T2557]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.593984][ T2557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.593987][ T2557]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   83.593990][ T2557]  _printk (kernel/printk/printk.c:2504)
[   83.593999][ T2557]  ? snapshot_read.cold (user.c:?)
[   83.594003][ T2557]  ? br_multicast_flood (??:?)
[   83.594006][ T2557]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   83.594008][ T2557]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.594009][ T2557]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.594014][ T2557]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   83.594018][ T2557]  br_init_port (net/bridge/br_stp_if.c:39)
[   83.594020][ T2557]  new_nbp (net/bridge/br_if.c:449)
[   83.594024][ T2557]  br_add_if (net/bridge/br_if.c:592)
[   83.594027][ T2557]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   83.594030][ T2557]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   83.594036][ T2557]  do_set_master (net/core/rtnetlink.c:3071)
[   83.594040][ T2557]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   83.594043][ T2557]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.594047][ T2557]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.594048][ T2557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.594051][ T2557]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.594055][ T2557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.594057][ T2557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.594058][ T2557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.594061][ T2557]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.594063][ T2557]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.594065][ T2557]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.594066][ T2557]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.594068][ T2557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594070][ T2557]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   83.594073][ T2557]  ? ___sys_sendmsg (net/socket.c:2758)
[   83.594077][ T2557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.594079][ T2557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.594082][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594083][ T2557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.594085][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594086][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594088][ T2557]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.594091][ T2557]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   83.594093][ T2557]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.594095][ T2557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.594098][ T2557]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.594100][ T2557]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.594105][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594107][ T2557]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.594112][ T2557]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.594118][ T2557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.594119][ T2557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594124][ T2557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.594126][ T2557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.594129][ T2557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.594130][ T2557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.594134][ T2557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.594136][ T2557]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.594140][ T2557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.594141][ T2557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594146][ T2557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.594148][ T2557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.594151][ T2557]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.594155][ T2557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.594158][ T2557]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.594165][ T2557]  ? 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))
[   83.594167][ T2557]  ? 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))
[   83.594172][ T2557]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.594176][ T2557]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.594178][ T2557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.594183][ T2557]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.594187][ T2557]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.594191][ T2557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.594193][ T2557]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   83.594198][ T2557]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   83.594201][ T2557]  ____sys_sendmsg (net/socket.c:2713)
[   83.594204][ T2557]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.594206][ T2557]  ? sock_write_iter (net/socket.c:1269)
[   83.594208][ T2557]  ? move_addr_to_kernel (net/socket.c:258)
[   83.594215][ T2557]  ___sys_sendmsg (net/socket.c:2767)
[   83.594218][ T2557]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.594235][ T2557]  __sys_sendmsg (net/socket.c:2799)
[   83.594238][ T2557]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.594244][ T2557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594247][ T2557]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.594250][ T2557]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.594253][ T2557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.594256][ T2557] RIP: 0033:0x7f62632ac54e
[   83.594260][ T2557] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   83.594261][ T2557] RSP: 002b:00007ffc5889cb90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.594264][ T2557] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f62632ac54e
[   83.594266][ T2557] RDX: 0000000000000000 RSI: 00007ffc5889cc40 RDI: 0000000000000005
[   83.594267][ T2557] RBP: 00007ffc5889cba0 R08: 0000000000000000 R09: 0000000000000000
[   83.594267][ T2557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abbf
[   83.594268][ T2557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5889d310
| [   85.127395][ T2636] softirqs last disabled at (24380): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   85.127397][ T2636] Preemption disabled at:
| [   85.127398][ T2636] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.127407][ T2636] Tainted: [W]=WARN
[   85.127408][ T2636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.127410][ T2636] Call Trace:
[   85.127411][ T2636]  <TASK>
[   85.127413][ T2636]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.127419][ T2636]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.127420][ T2636]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.127425][ T2636]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.127429][ T2636]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.127434][ T2636]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.127437][ T2636]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.127443][ T2636]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.127446][ T2636]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.127450][ T2636]  put_chars (drivers/char/virtio_console.c:1176)
[   85.127452][ T2636]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.127454][ T2636]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.127457][ T2636]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.127463][ T2636]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.127471][ T2636]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.127473][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127475][ T2636]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.127479][ T2636]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.127483][ T2636]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.127485][ T2636]  ? 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))
[   85.127489][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127490][ T2636]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.127494][ T2636]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.127498][ T2636]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.127500][ T2636]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.127506][ T2636]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.127508][ T2636]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.127510][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127512][ T2636]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   85.127516][ T2636]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.127517][ T2636]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.127520][ T2636]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.127523][ T2636]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.127525][ T2636]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.127528][ T2636]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   85.127532][ T2636]  _printk (kernel/printk/printk.c:2504)
[   85.127535][ T2636]  ? snapshot_read.cold (user.c:?)
[   85.127539][ T2636]  ? br_multicast_flood (??:?)
[   85.127542][ T2636]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   85.127544][ T2636]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.127545][ T2636]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.127549][ T2636]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   85.127554][ T2636]  br_init_port (net/bridge/br_stp_if.c:39)
[   85.127556][ T2636]  new_nbp (net/bridge/br_if.c:449)
[   85.127560][ T2636]  br_add_if (net/bridge/br_if.c:592)
[   85.127563][ T2636]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   85.127566][ T2636]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   85.127572][ T2636]  do_set_master (net/core/rtnetlink.c:3071)
[   85.127576][ T2636]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   85.127579][ T2636]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.127583][ T2636]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.127584][ T2636]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   85.127587][ T2636]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   85.127590][ T2636]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.127592][ T2636]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.127594][ T2636]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.127596][ T2636]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.127599][ T2636]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.127600][ T2636]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.127601][ T2636]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.127604][ T2636]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.127605][ T2636]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   85.127608][ T2636]  ? ___sys_sendmsg (net/socket.c:2758)
[   85.127612][ T2636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.127614][ T2636]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.127617][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127618][ T2636]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.127620][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127621][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127623][ T2636]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.127625][ T2636]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   85.127628][ T2636]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.127629][ T2636]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.127633][ T2636]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.127634][ T2636]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.127639][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127642][ T2636]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.127647][ T2636]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.127652][ T2636]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.127654][ T2636]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.127659][ T2636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.127661][ T2636]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.127663][ T2636]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.127664][ T2636]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.127668][ T2636]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.127670][ T2636]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.127673][ T2636]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.127675][ T2636]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.127679][ T2636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.127681][ T2636]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.127684][ T2636]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.127688][ T2636]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.127691][ T2636]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.127698][ T2636]  ? 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))
[   85.127700][ T2636]  ? 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))
[   85.127704][ T2636]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.127708][ T2636]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.127711][ T2636]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   85.127715][ T2636]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.127719][ T2636]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.127723][ T2636]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.127725][ T2636]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   85.127730][ T2636]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   85.127733][ T2636]  ____sys_sendmsg (net/socket.c:2713)
[   85.127735][ T2636]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.127738][ T2636]  ? sock_write_iter (net/socket.c:1269)
[   85.127739][ T2636]  ? move_addr_to_kernel (net/socket.c:258)
[   85.127747][ T2636]  ___sys_sendmsg (net/socket.c:2767)
[   85.127750][ T2636]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.127766][ T2636]  __sys_sendmsg (net/socket.c:2799)
[   85.127769][ T2636]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.127775][ T2636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.127778][ T2636]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.127782][ T2636]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.127785][ T2636]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.127787][ T2636] RIP: 0033:0x7fde7693454e
[   85.127791][ T2636] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   85.127792][ T2636] RSP: 002b:00007ffca77d3100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.127795][ T2636] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde7693454e
[   85.127797][ T2636] RDX: 0000000000000000 RSI: 00007ffca77d31b0 RDI: 0000000000000005
[   85.127797][ T2636] RBP: 00007ffca77d3110 R08: 0000000000000000 R09: 0000000000000000
[   85.127798][ T2636] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abc1
[   85.127799][ T2636] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca77d3880
| [   86.492245][ T2704] softirqs last disabled at (21448): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   86.492248][ T2704] Preemption disabled at:
| [   86.492248][ T2704] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.492257][ T2704] Tainted: [W]=WARN
[   86.492258][ T2704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.492260][ T2704] Call Trace:
[   86.492261][ T2704]  <TASK>
[   86.492263][ T2704]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.492269][ T2704]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.492270][ T2704]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.492275][ T2704]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.492279][ T2704]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   86.492283][ T2704]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.492285][ T2704]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.492292][ T2704]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.492295][ T2704]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.492298][ T2704]  put_chars (drivers/char/virtio_console.c:1176)
[   86.492301][ T2704]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.492302][ T2704]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.492305][ T2704]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.492311][ T2704]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.492318][ T2704]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.492321][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492323][ T2704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.492327][ T2704]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.492331][ T2704]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.492333][ T2704]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   86.492336][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492338][ T2704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.492342][ T2704]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.492346][ T2704]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.492348][ T2704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.492353][ T2704]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.492356][ T2704]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.492358][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492359][ T2704]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   86.492363][ T2704]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.492365][ T2704]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.492368][ T2704]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.492371][ T2704]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.492372][ T2704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.492375][ T2704]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   86.492379][ T2704]  _printk (kernel/printk/printk.c:2504)
[   86.492382][ T2704]  ? snapshot_read.cold (user.c:?)
[   86.492386][ T2704]  ? br_multicast_flood (??:?)
[   86.492390][ T2704]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.492391][ T2704]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.492392][ T2704]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.492396][ T2704]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   86.492400][ T2704]  br_init_port (net/bridge/br_stp_if.c:39)
[   86.492403][ T2704]  new_nbp (net/bridge/br_if.c:449)
[   86.492407][ T2704]  br_add_if (net/bridge/br_if.c:592)
[   86.492410][ T2704]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.492413][ T2704]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.492418][ T2704]  do_set_master (net/core/rtnetlink.c:3071)
[   86.492422][ T2704]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.492426][ T2704]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.492429][ T2704]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.492430][ T2704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   86.492433][ T2704]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   86.492437][ T2704]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.492439][ T2704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.492441][ T2704]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.492443][ T2704]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.492445][ T2704]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.492447][ T2704]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.492448][ T2704]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.492450][ T2704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.492452][ T2704]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   86.492455][ T2704]  ? ___sys_sendmsg (net/socket.c:2758)
[   86.492458][ T2704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.492460][ T2704]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.492463][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492465][ T2704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.492466][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492467][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492469][ T2704]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.492471][ T2704]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   86.492474][ T2704]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.492476][ T2704]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.492479][ T2704]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.492480][ T2704]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.492485][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492488][ T2704]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.492493][ T2704]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.492498][ T2704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.492500][ T2704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.492504][ T2704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.492506][ T2704]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.492508][ T2704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.492510][ T2704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.492514][ T2704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.492516][ T2704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.492519][ T2704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.492520][ T2704]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.492524][ T2704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.492526][ T2704]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.492530][ T2704]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.492533][ T2704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.492536][ T2704]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.492542][ T2704]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   86.492544][ T2704]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   86.492549][ T2704]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.492553][ T2704]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.492555][ T2704]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.492559][ T2704]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.492563][ T2704]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.492567][ T2704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.492569][ T2704]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   86.492574][ T2704]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.492577][ T2704]  ____sys_sendmsg (net/socket.c:2713)
[   86.492579][ T2704]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.492581][ T2704]  ? sock_write_iter (net/socket.c:1269)
[   86.492583][ T2704]  ? move_addr_to_kernel (net/socket.c:258)
[   86.492590][ T2704]  ___sys_sendmsg (net/socket.c:2767)
[   86.492593][ T2704]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.492608][ T2704]  __sys_sendmsg (net/socket.c:2799)
[   86.492611][ T2704]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.492621][ T2704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.492624][ T2704]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.492627][ T2704]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.492630][ T2704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.492632][ T2704] RIP: 0033:0x7ff4ccdc454e
[   86.492636][ T2704] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   86.492638][ T2704] RSP: 002b:00007ffc66ffb9c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.492641][ T2704] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff4ccdc454e
[   86.492642][ T2704] RDX: 0000000000000000 RSI: 00007ffc66ffba70 RDI: 0000000000000005
[   86.492643][ T2704] RBP: 00007ffc66ffb9d0 R08: 0000000000000000 R09: 0000000000000000
[   86.492644][ T2704] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abc2
[   86.492644][ T2704] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc66ffc140
| [   88.009428][ T2786] softirqs last disabled at (24640): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   88.009430][ T2786] Preemption disabled at:
| [   88.009431][ T2786] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.009439][ T2786] Tainted: [W]=WARN
[   88.009440][ T2786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.009442][ T2786] Call Trace:
[   88.009443][ T2786]  <TASK>
[   88.009444][ T2786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.009451][ T2786]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.009452][ T2786]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.009457][ T2786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.009461][ T2786]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.009466][ T2786]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.009468][ T2786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.009474][ T2786]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.009477][ T2786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.009481][ T2786]  put_chars (drivers/char/virtio_console.c:1176)
[   88.009483][ T2786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.009485][ T2786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.009488][ T2786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.009494][ T2786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.009502][ T2786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.009504][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009506][ T2786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.009510][ T2786]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.009514][ T2786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.009516][ T2786]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   88.009520][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009521][ T2786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.009525][ T2786]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.009530][ T2786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.009532][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.009537][ T2786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.009540][ T2786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.009542][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009544][ T2786]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   88.009547][ T2786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.009549][ T2786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.009552][ T2786]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.009555][ T2786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.009557][ T2786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.009560][ T2786]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   88.009563][ T2786]  _printk (kernel/printk/printk.c:2504)
[   88.009567][ T2786]  ? snapshot_read.cold (user.c:?)
[   88.009571][ T2786]  ? br_multicast_flood (??:?)
[   88.009574][ T2786]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   88.009575][ T2786]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.009577][ T2786]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.009581][ T2786]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   88.009585][ T2786]  br_init_port (net/bridge/br_stp_if.c:39)
[   88.009588][ T2786]  new_nbp (net/bridge/br_if.c:449)
[   88.009591][ T2786]  br_add_if (net/bridge/br_if.c:592)
[   88.009594][ T2786]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.009598][ T2786]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.009603][ T2786]  do_set_master (net/core/rtnetlink.c:3071)
[   88.009607][ T2786]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   88.009610][ T2786]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.009614][ T2786]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.009615][ T2786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   88.009618][ T2786]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   88.009621][ T2786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.009623][ T2786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.009625][ T2786]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.009627][ T2786]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.009630][ T2786]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.009631][ T2786]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.009632][ T2786]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.009635][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.009637][ T2786]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   88.009640][ T2786]  ? ___sys_sendmsg (net/socket.c:2758)
[   88.009643][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.009645][ T2786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.009648][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009650][ T2786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.009651][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009653][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009654][ T2786]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.009657][ T2786]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   88.009659][ T2786]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.009661][ T2786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.009665][ T2786]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.009666][ T2786]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.009671][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009673][ T2786]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.009679][ T2786]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.009684][ T2786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.009686][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.009691][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.009692][ T2786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.009695][ T2786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.009697][ T2786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.009700][ T2786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.009703][ T2786]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.009706][ T2786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.009707][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.009712][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.009714][ T2786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.009717][ T2786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.009721][ T2786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.009723][ T2786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.009730][ T2786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.009732][ T2786]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.009737][ T2786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.009741][ T2786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.009743][ T2786]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.009748][ T2786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.009752][ T2786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.009755][ T2786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.009757][ T2786]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.009763][ T2786]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.009766][ T2786]  ____sys_sendmsg (net/socket.c:2713)
[   88.009768][ T2786]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.009770][ T2786]  ? sock_write_iter (net/socket.c:1269)
[   88.009772][ T2786]  ? move_addr_to_kernel (net/socket.c:258)
[   88.009779][ T2786]  ___sys_sendmsg (net/socket.c:2767)
[   88.009782][ T2786]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.009798][ T2786]  __sys_sendmsg (net/socket.c:2799)
[   88.009801][ T2786]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.009808][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.009811][ T2786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.009814][ T2786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.009817][ T2786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.009819][ T2786] RIP: 0033:0x7f10701e654e
[   88.009823][ T2786] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.009824][ T2786] RSP: 002b:00007fffa773abf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.009827][ T2786] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f10701e654e
[   88.009828][ T2786] RDX: 0000000000000000 RSI: 00007fffa773aca0 RDI: 0000000000000005
[   88.009829][ T2786] RBP: 00007fffa773ac00 R08: 0000000000000000 R09: 0000000000000000
[   88.009830][ T2786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abc4
[   88.009831][ T2786] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa773b370
| [   89.391529][   T12] softirqs last disabled at (1012656): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   89.391531][   T12] Preemption disabled at:
| [   89.391532][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.391541][   T12] Tainted: [W]=WARN
[   89.391542][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.391544][   T12] Workqueue: netns cleanup_net
[   89.391547][   T12] Call Trace:
[   89.391549][   T12]  <TASK>
[   89.391551][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.391557][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.391559][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.391563][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.391567][   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)
[   89.391572][   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))
[   89.391574][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.391580][   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)
[   89.391583][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.391586][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   89.391589][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.391590][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.391594][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.391597][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.391602][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.391606][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.391611][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.391614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.391619][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.391623][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.391625][   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))
[   89.391628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.391630][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.391634][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.391638][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.391640][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.391646][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.391648][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.391650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.391652][   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)
[   89.391656][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.391658][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.391660][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.391663][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.391665][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   89.391667][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   89.391668][   T12]  ? kthread (kernel/kthread.c:436)
[   89.391671][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   89.391674][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   89.391678][   T12]  _printk (kernel/printk/printk.c:2504)
[   89.391682][   T12]  ? snapshot_read.cold (user.c:?)
[   89.391686][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.391690][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.391694][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.391697][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   89.391702][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.391703][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   89.391706][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   89.391708][   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)
[   89.391710][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   89.391715][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   89.391718][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   89.391724][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   89.391728][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   89.391731][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   89.391735][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   89.391739][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.391740][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.391744][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   89.391748][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   89.391751][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.391755][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.391757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.391760][   T12]  process_one_work (kernel/workqueue.c:3387)
[   89.391767][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   89.391770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.391778][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   89.391785][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   89.391787][   T12]  kthread (kernel/kthread.c:436)
[   89.391789][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.391792][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   89.391795][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.391798][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   89.391801][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.391805][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   89.391808][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   90.819891][ T2917] softirqs last disabled at (20812): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   90.819893][ T2917] Preemption disabled at:
| [   90.819894][ T2917] vprintk_emit (kernel/printk/printk.c:2471)
| [   90.819903][ T2917] Tainted: [W]=WARN
[   90.819903][ T2917] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.819905][ T2917] Call Trace:
[   90.819907][ T2917]  <TASK>
[   90.819908][ T2917]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   90.819914][ T2917]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   90.819916][ T2917]  __might_resched.cold (kernel/sched/core.c:9234)
[   90.819920][ T2917]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   90.819924][ T2917]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   90.819929][ T2917]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   90.819931][ T2917]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.819937][ T2917]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   90.819940][ T2917]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   90.819944][ T2917]  put_chars (drivers/char/virtio_console.c:1176)
[   90.819947][ T2917]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   90.819953][ T2917]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   90.819961][ T2917]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   90.819964][ T2917]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.819969][ T2917]  console_emit_next_record (kernel/printk/printk.c:3183)
[   90.819973][ T2917]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   90.819975][ T2917]  ? 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))
[   90.819978][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.819981][ T2917]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.819985][ T2917]  console_flush_one_record (kernel/printk/printk.c:3268)
[   90.819989][ T2917]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   90.819991][ T2917]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.819996][ T2917]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   90.819999][ T2917]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   90.820001][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.820003][ T2917]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   90.820007][ T2917]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   90.820008][ T2917]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   90.820011][ T2917]  vprintk_emit (kernel/printk/printk.c:2479)
[   90.820014][ T2917]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   90.820016][ T2917]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.820018][ T2917]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   90.820020][ T2917]  ? __print_lock_name (kernel/locking/lockdep.c:718)
[   90.820024][ T2917]  _printk (kernel/printk/printk.c:2504)
[   90.820032][ T2917]  ? snapshot_read.cold (user.c:?)
[   90.820034][ T2917]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   90.820037][ T2917]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.820039][ T2917]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   90.820042][ T2917]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   90.820045][ T2917]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   90.820048][ T2917]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   90.820050][ T2917]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   90.820053][ T2917]  ? netdev_notice (net/core/dev.c:13194)
[   90.820056][ T2917]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.820059][ T2917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.820061][ T2917]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   90.820065][ T2917]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   90.820067][ T2917]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   90.820069][ T2917]  ? 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))
[   90.820074][ T2917]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   90.820077][ T2917]  ? __kernel_text_address (kernel/extable.c:79)
[   90.820080][ T2917]  ? write_profile (profile.c:?)
[   90.820084][ T2917]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   90.820089][ T2917]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   90.820093][ T2917]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   90.820095][ T2917]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   90.820096][ T2917]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   90.820098][ T2917]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.820102][ T2917]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   90.820103][ T2917]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.820105][ T2917]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   90.820108][ T2917]  ? kasan_save_stack (mm/kasan/common.c:58)
[   90.820109][ T2917]  ? kasan_save_stack (mm/kasan/common.c:57)
[   90.820111][ T2917]  ? kasan_save_track (mm/kasan/common.c:78)
[   90.820112][ T2917]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.820114][ T2917]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.820116][ T2917]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   90.820119][ T2917]  ? ___sys_sendmsg (net/socket.c:2758)
[   90.820123][ T2917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   90.820125][ T2917]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   90.820127][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.820129][ T2917]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   90.820131][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.820132][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.820134][ T2917]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   90.820138][ T2917]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   90.820141][ T2917]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   90.820143][ T2917]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   90.820146][ T2917]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   90.820147][ T2917]  ? nla_get_range_signed (lib/nlattr.c:270)
[   90.820152][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.820154][ T2917]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   90.820159][ T2917]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   90.820165][ T2917]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.820167][ T2917]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.820171][ T2917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   90.820173][ T2917]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.820175][ T2917]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.820177][ T2917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.820180][ T2917]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   90.820182][ T2917]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   90.820186][ T2917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.820187][ T2917]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   90.820191][ T2917]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   90.820193][ T2917]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.820197][ T2917]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   90.820200][ T2917]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.820203][ T2917]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.820209][ T2917]  ? 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))
[   90.820211][ T2917]  ? 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))
[   90.820215][ T2917]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.820219][ T2917]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.820222][ T2917]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   90.820226][ T2917]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   90.820230][ T2917]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   90.820234][ T2917]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   90.820235][ T2917]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   90.820241][ T2917]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   90.820243][ T2917]  ____sys_sendmsg (net/socket.c:2713)
[   90.820246][ T2917]  ? copy_msghdr_from_user (net/socket.c:2650)
[   90.820248][ T2917]  ? sock_write_iter (net/socket.c:1269)
[   90.820249][ T2917]  ? move_addr_to_kernel (net/socket.c:258)
[   90.820257][ T2917]  ___sys_sendmsg (net/socket.c:2767)
[   90.820260][ T2917]  ? copy_msghdr_from_user (net/socket.c:2619)
[   90.820275][ T2917]  __sys_sendmsg (net/socket.c:2799)
[   90.820278][ T2917]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   90.820284][ T2917]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   90.820287][ T2917]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   90.820290][ T2917]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   90.820293][ T2917]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.820295][ T2917] RIP: 0033:0x7f71a795354e
[   90.820299][ T2917] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   90.820301][ T2917] RSP: 002b:00007ffd38cdf730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.820303][ T2917] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f71a795354e
[   90.820305][ T2917] RDX: 0000000000000000 RSI: 00007ffd38cdf7e0 RDI: 0000000000000005
[   90.820305][ T2917] RBP: 00007ffd38cdf740 R08: 0000000000000000 R09: 0000000000000000
[   90.820306][ T2917] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abc7
[   90.820307][ T2917] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd38cdfeb0
| [  103.496177][ T3217] softirqs last disabled at (23764): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [  103.496180][ T3217] Preemption disabled at:
| [  103.496181][ T3217] vprintk_emit (kernel/printk/printk.c:2471)
| [  103.496192][ T3217] Tainted: [W]=WARN
[  103.496193][ T3217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.496195][ T3217] Call Trace:
[  103.496197][ T3217]  <TASK>
[  103.496200][ T3217]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  103.496207][ T3217]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  103.496210][ T3217]  __might_resched.cold (kernel/sched/core.c:9234)
[  103.496215][ T3217]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  103.496221][ T3217]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  103.496228][ T3217]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  103.496231][ T3217]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.496240][ T3217]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  103.496244][ T3217]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  103.496249][ T3217]  put_chars (drivers/char/virtio_console.c:1176)
[  103.496253][ T3217]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  103.496255][ T3217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  103.496260][ T3217]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  103.496269][ T3217]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  103.496281][ T3217]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  103.496286][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496289][ T3217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.496295][ T3217]  console_emit_next_record (kernel/printk/printk.c:3183)
[  103.496302][ T3217]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  103.496304][ T3217]  ? 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))
[  103.496309][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496312][ T3217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.496319][ T3217]  console_flush_one_record (kernel/printk/printk.c:3268)
[  103.496326][ T3217]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  103.496328][ T3217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.496338][ T3217]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  103.496342][ T3217]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  103.496345][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496348][ T3217]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  103.496354][ T3217]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  103.496357][ T3217]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  103.496362][ T3217]  vprintk_emit (kernel/printk/printk.c:2479)
[  103.496367][ T3217]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  103.496370][ T3217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.496375][ T3217]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  103.496380][ T3217]  _printk (kernel/printk/printk.c:2504)
[  103.496385][ T3217]  ? snapshot_read.cold (user.c:?)
[  103.496391][ T3217]  ? br_multicast_flood (??:?)
[  103.496395][ T3217]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  103.496398][ T3217]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  103.496400][ T3217]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  103.496408][ T3217]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  103.496414][ T3217]  br_init_port (net/bridge/br_stp_if.c:39)
[  103.496418][ T3217]  new_nbp (net/bridge/br_if.c:449)
[  103.496424][ T3217]  br_add_if (net/bridge/br_if.c:592)
[  103.496429][ T3217]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  103.496434][ T3217]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  103.496443][ T3217]  do_set_master (net/core/rtnetlink.c:3071)
[  103.496449][ T3217]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  103.496455][ T3217]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  103.496460][ T3217]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  103.496462][ T3217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  103.496466][ T3217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.496471][ T3217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  103.496474][ T3217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  103.496477][ T3217]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  103.496481][ T3217]  ? kasan_save_stack (mm/kasan/common.c:58)
[  103.496484][ T3217]  ? kasan_save_stack (mm/kasan/common.c:57)
[  103.496486][ T3217]  ? kasan_save_track (mm/kasan/common.c:78)
[  103.496489][ T3217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  103.496492][ T3217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.496495][ T3217]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  103.496498][ T3217]  ? ___sys_sendmsg (net/socket.c:2758)
[  103.496504][ T3217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  103.496506][ T3217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  103.496511][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496513][ T3217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.496515][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496517][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496520][ T3217]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  103.496523][ T3217]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  103.496526][ T3217]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  103.496529][ T3217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  103.496535][ T3217]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  103.496536][ T3217]  ? nla_get_range_signed (lib/nlattr.c:270)
[  103.496543][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496547][ T3217]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  103.496555][ T3217]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  103.496564][ T3217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  103.496566][ T3217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.496573][ T3217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  103.496576][ T3217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  103.496579][ T3217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  103.496582][ T3217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.496588][ T3217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  103.496591][ T3217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  103.496596][ T3217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.496598][ T3217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.496606][ T3217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  103.496609][ T3217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  103.496615][ T3217]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  103.496620][ T3217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.496625][ T3217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.496636][ T3217]  ? 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))
[  103.496639][ T3217]  ? 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))
[  103.496647][ T3217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.496654][ T3217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.496658][ T3217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  103.496665][ T3217]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  103.496672][ T3217]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  103.496678][ T3217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.496681][ T3217]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  103.496689][ T3217]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  103.496694][ T3217]  ____sys_sendmsg (net/socket.c:2713)
[  103.496697][ T3217]  ? copy_msghdr_from_user (net/socket.c:2650)
[  103.496701][ T3217]  ? sock_write_iter (net/socket.c:1269)
[  103.496703][ T3217]  ? move_addr_to_kernel (net/socket.c:258)
[  103.496717][ T3217]  ___sys_sendmsg (net/socket.c:2767)
[  103.496721][ T3217]  ? copy_msghdr_from_user (net/socket.c:2619)
[  103.496751][ T3217]  __sys_sendmsg (net/socket.c:2799)
[  103.496756][ T3217]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  103.496766][ T3217]  ? 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)
[  103.496771][ T3217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.496776][ T3217]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  103.496780][ T3217]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  103.496784][ T3217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.496788][ T3217] RIP: 0033:0x7f82673ba54e
[  103.496793][ T3217] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  103.496795][ T3217] RSP: 002b:00007ffd890d41d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  103.496800][ T3217] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f82673ba54e
[  103.496802][ T3217] RDX: 0000000000000000 RSI: 00007ffd890d4280 RDI: 0000000000000005
[  103.496804][ T3217] RBP: 00007ffd890d41e0 R08: 0000000000000000 R09: 0000000000000000
[  103.496805][ T3217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abd3
[  103.496806][ T3217] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd890d4950
| [  103.506665][    C0]
| [  103.506666][    C0]
| [  103.506666][    C0] stack backtrace:
| [  103.506674][    C0] Tainted: [W]=WARN
[  103.506675][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.506677][    C0] Call Trace:
[  103.506679][    C0]  <IRQ>
[  103.506680][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  103.506686][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  103.506690][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  103.506692][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  103.506697][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  103.506700][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  103.506702][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  103.506706][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  103.506709][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  103.506712][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.506715][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  103.506718][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  103.506720][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  103.506723][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  103.506726][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  103.506729][    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))
[  103.506732][    C0]  _printk (kernel/printk/printk.c:2504)
[  103.506734][    C0]  ? snapshot_read.cold (user.c:?)
[  103.506737][    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))
[  103.506740][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.506744][    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))
[  103.506746][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  103.506749][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  103.506752][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  103.506755][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  103.506758][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  103.506761][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  103.506764][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.506767][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.506770][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  103.506772][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  103.506776][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  103.506779][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  103.506783][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  103.506787][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  103.506790][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  103.506793][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.506797][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.506799][    C0]  handle_softirqs (kernel/softirq.c:645)
[  103.506802][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  103.506804][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  103.506808][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  103.506810][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  103.506812][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  103.506815][    C0]  </IRQ>
[  103.506816][    C0]  <TASK>
[  103.506817][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  103.506819][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  103.506822][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  103.506825][    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
[  103.506828][    C0] RSP: 0018:ffffffffa8407cf8 EFLAGS: 00000296
[  103.506830][    C0] RAX: 0000000000525e33 RBX: ffffffffa8430600 RCX: ffffffffa4b06247
[  103.506832][    C0] RDX: ffffffffa8430600 RSI: ffffffffa7d11011 RDI: ffffffffa76949e0
[  103.506834][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  103.506835][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5080fa2
[  103.506837][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  103.506839][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  103.506843][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  103.506845][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  103.506847][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  103.506849][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  103.506852][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  103.506855][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  103.506858][    C0]  ? kasan_check_range (mm/kasan/generic.c:143 (discriminator 1) mm/kasan/generic.c:172 (discriminator 1) mm/kasan/generic.c:191 (discriminator 1) mm/kasan/generic.c:200 (discriminator 1))
[  103.506862][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  103.506864][    C0]  do_idle (kernel/sched/idle.c:355)
[  103.506866][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  103.506869][    C0]  rest_init (init/main.c:727)
[  103.506871][    C0]  ? __cpuidle_text_end (??:?)
[  103.506876][    C0]  ? rest_init (init/main.c:727)
[  103.506879][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  103.506883][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  103.506886][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  103.506889][    C0]  start_kernel (init/main.c:1185)
[  103.506892][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  103.506894][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  103.506897][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  104.506037][ T3308] softirqs last disabled at (0): 0x0
| [  104.506039][ T3308] Preemption disabled at:
| [  104.506040][ T3308] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.506050][ T3308] Tainted: [W]=WARN
[  104.506051][ T3308] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.506053][ T3308] Call Trace:
[  104.506054][ T3308]  <TASK>
[  104.506056][ T3308]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.506061][ T3308]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.506062][ T3308]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.506066][ T3308]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.506069][ T3308]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  104.506072][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506075][ T3308]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  104.506077][ T3308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  104.506080][ T3308]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.506085][ T3308]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.506095][ T3308]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.506097][ T3308]  put_chars (drivers/char/virtio_console.c:1176)
[  104.506099][ T3308]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.506101][ T3308]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  104.506103][ T3308]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.506108][ T3308]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.506110][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506111][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506114][ T3308]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.506116][ T3308]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.506119][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506120][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506121][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506122][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506123][ T3308]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  104.506125][ T3308]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.506128][ T3308]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.506130][ T3308]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.506132][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506134][ T3308]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.506137][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506138][ T3308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.506140][ T3308]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  104.506141][ T3308]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  104.506143][ T3308]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.506145][ T3308]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.506146][ T3308]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.506148][ T3308]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.506149][ T3308]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  104.506151][ T3308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.506154][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506155][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506157][ T3308]  _printk (kernel/printk/printk.c:2504)
[  104.506160][ T3308]  ? snapshot_read.cold (user.c:?)
[  104.506162][ T3308]  ? br_multicast_flood (??:?)
[  104.506165][ T3308]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  104.506168][ T3308]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.506169][ T3308]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.506171][ T3308]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  104.506174][ T3308]  br_init_port (net/bridge/br_stp_if.c:39)
[  104.506176][ T3308]  new_nbp (net/bridge/br_if.c:449)
[  104.506178][ T3308]  br_add_if (net/bridge/br_if.c:592)
[  104.506180][ T3308]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  104.506183][ T3308]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  104.506184][ T3308]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.506187][ T3308]  do_set_master (net/core/rtnetlink.c:3071)
[  104.506189][ T3308]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  104.506191][ T3308]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  104.506193][ T3308]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  104.506194][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506195][ T3308]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  104.506198][ T3308]  ? kasan_save_stack (mm/kasan/common.c:58)
[  104.506200][ T3308]  ? kasan_save_stack (mm/kasan/common.c:57)
[  104.506201][ T3308]  ? kasan_save_track (mm/kasan/common.c:78)
[  104.506202][ T3308]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  104.506203][ T3308]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  104.506205][ T3308]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  104.506206][ T3308]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.506207][ T3308]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.506210][ T3308]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.506211][ T3308]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.506213][ T3308]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.506215][ T3308]  ? ____sys_sendmsg (net/socket.c:2713)
[  104.506217][ T3308]  ? ___sys_sendmsg (net/socket.c:2767)
[  104.506218][ T3308]  ? __sys_sendmsg (net/socket.c:2799)
[  104.506220][ T3308]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.506223][ T3308]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.506226][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506227][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506228][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506230][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506231][ T3308]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  104.506232][ T3308]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  104.506234][ T3308]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  104.506235][ T3308]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  104.506237][ T3308]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  104.506238][ T3308]  ? nla_get_range_signed (lib/nlattr.c:270)
[  104.506242][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506243][ T3308]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  104.506245][ T3308]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.506247][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506248][ T3308]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.506250][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506251][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506252][ T3308]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  104.506254][ T3308]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  104.506255][ T3308]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.506257][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506258][ T3308]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  104.506261][ T3308]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  104.506263][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506264][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506266][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506267][ T3308]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.506268][ T3308]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.506270][ T3308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.506271][ T3308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.506272][ T3308]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  104.506275][ T3308]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.506277][ T3308]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.506278][ T3308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.506280][ T3308]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.506282][ T3308]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  104.506284][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506285][ T3308]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.506287][ T3308]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.506289][ T3308]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.506291][ T3308]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.506293][ T3308]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.506295][ T3308]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.506297][ T3308]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.506298][ T3308]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.506300][ T3308]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  104.506303][ T3308]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.506305][ T3308]  ____sys_sendmsg (net/socket.c:2713)
[  104.506307][ T3308]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.506308][ T3308]  ? sock_write_iter (net/socket.c:1269)
[  104.506310][ T3308]  ? move_addr_to_kernel (net/socket.c:258)
[  104.506311][ T3308]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.506314][ T3308]  ___sys_sendmsg (net/socket.c:2767)
[  104.506316][ T3308]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.506320][ T3308]  __sys_sendmsg (net/socket.c:2799)
[  104.506322][ T3308]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.506325][ T3308]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.506327][ T3308]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.506328][ T3308]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.506330][ T3308]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.506332][ T3308] RIP: 0033:0x7f7ba4aba54e
[  104.506334][ T3308] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  104.506335][ T3308] RSP: 002b:00007ffdc5c1cda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.506339][ T3308] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7ba4aba54e
[  104.506341][ T3308] RDX: 0000000000000000 RSI: 00007ffdc5c1ce50 RDI: 0000000000000005
[  104.506341][ T3308] RBP: 00007ffdc5c1cdb0 R08: 0000000000000000 R09: 0000000000000000
[  104.506342][ T3308] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abd4
[  104.506343][ T3308] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc5c1d520
| [  105.676776][ T3404] softirqs last disabled at (0): 0x0
| [  105.676778][ T3404] Preemption disabled at:
| [  105.676779][ T3404] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.676788][ T3404] Tainted: [W]=WARN
[  105.676789][ T3404] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.676791][ T3404] Call Trace:
[  105.676792][ T3404]  <TASK>
[  105.676793][ T3404]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.676799][ T3404]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.676800][ T3404]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.676804][ T3404]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.676807][ T3404]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  105.676811][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676813][ T3404]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  105.676816][ T3404]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.676819][ T3404]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.676824][ T3404]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  105.676825][ T3404]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.676828][ T3404]  put_chars (drivers/char/virtio_console.c:1176)
[  105.676830][ T3404]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.676831][ T3404]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  105.676834][ T3404]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.676839][ T3404]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.676840][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676842][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.676844][ T3404]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.676847][ T3404]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.676849][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676850][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676851][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676852][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.676854][ T3404]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  105.676856][ T3404]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.676858][ T3404]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.676861][ T3404]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.676863][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.676864][ T3404]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.676866][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676867][ T3404]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.676869][ T3404]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  105.676870][ T3404]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  105.676872][ T3404]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.676874][ T3404]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.676875][ T3404]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.676877][ T3404]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.676878][ T3404]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.676880][ T3404]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.676883][ T3404]  _printk (kernel/printk/printk.c:2504)
[  105.676886][ T3404]  ? snapshot_read.cold (user.c:?)
[  105.676888][ T3404]  ? br_multicast_flood (??:?)
[  105.676892][ T3404]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  105.676895][ T3404]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  105.676896][ T3404]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.676898][ T3404]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  105.676901][ T3404]  br_init_port (net/bridge/br_stp_if.c:39)
[  105.676903][ T3404]  new_nbp (net/bridge/br_if.c:449)
[  105.676905][ T3404]  br_add_if (net/bridge/br_if.c:592)
[  105.676907][ T3404]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  105.676910][ T3404]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.676911][ T3404]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.676914][ T3404]  do_set_master (net/core/rtnetlink.c:3071)
[  105.676916][ T3404]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  105.676918][ T3404]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  105.676920][ T3404]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  105.676921][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676922][ T3404]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.676926][ T3404]  ? kasan_save_stack (mm/kasan/common.c:58)
[  105.676928][ T3404]  ? kasan_save_stack (mm/kasan/common.c:57)
[  105.676929][ T3404]  ? kasan_save_track (mm/kasan/common.c:78)
[  105.676930][ T3404]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  105.676931][ T3404]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  105.676932][ T3404]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  105.676933][ T3404]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.676934][ T3404]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.676937][ T3404]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.676939][ T3404]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.676940][ T3404]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.676943][ T3404]  ? ____sys_sendmsg (net/socket.c:2713)
[  105.676944][ T3404]  ? ___sys_sendmsg (net/socket.c:2767)
[  105.676946][ T3404]  ? __sys_sendmsg (net/socket.c:2799)
[  105.676948][ T3404]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.676951][ T3404]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.676953][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676955][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.676956][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676957][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676958][ T3404]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  105.676960][ T3404]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  105.676961][ T3404]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  105.676963][ T3404]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  105.676964][ T3404]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  105.676965][ T3404]  ? nla_get_range_signed (lib/nlattr.c:270)
[  105.676969][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676970][ T3404]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  105.676972][ T3404]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  105.676974][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676975][ T3404]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  105.676976][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.676978][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676979][ T3404]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  105.676980][ T3404]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.676981][ T3404]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.676983][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676984][ T3404]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  105.676988][ T3404]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  105.676990][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676991][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.676993][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.676994][ T3404]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  105.676995][ T3404]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.676997][ T3404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.676998][ T3404]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.677000][ T3404]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.677002][ T3404]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.677004][ T3404]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.677005][ T3404]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.677007][ T3404]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.677008][ T3404]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  105.677011][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.677012][ T3404]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.677014][ T3404]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.677016][ T3404]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.677018][ T3404]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.677020][ T3404]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.677022][ T3404]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.677024][ T3404]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.677025][ T3404]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.677027][ T3404]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  105.677030][ T3404]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  105.677032][ T3404]  ____sys_sendmsg (net/socket.c:2713)
[  105.677033][ T3404]  ? copy_msghdr_from_user (net/socket.c:2650)
[  105.677035][ T3404]  ? sock_write_iter (net/socket.c:1269)
[  105.677036][ T3404]  ? move_addr_to_kernel (net/socket.c:258)
[  105.677038][ T3404]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.677040][ T3404]  ___sys_sendmsg (net/socket.c:2767)
[  105.677042][ T3404]  ? copy_msghdr_from_user (net/socket.c:2619)
[  105.677047][ T3404]  __sys_sendmsg (net/socket.c:2799)
[  105.677049][ T3404]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  105.677052][ T3404]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.677053][ T3404]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.677055][ T3404]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.677057][ T3404]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.677058][ T3404] RIP: 0033:0x7f9b33b6654e
[  105.677060][ T3404] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  105.677062][ T3404] RSP: 002b:00007ffd9f5b02e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.677066][ T3404] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9b33b6654e
[  105.677067][ T3404] RDX: 0000000000000000 RSI: 00007ffd9f5b0390 RDI: 0000000000000005
[  105.677068][ T3404] RBP: 00007ffd9f5b02f0 R08: 0000000000000000 R09: 0000000000000000
[  105.677069][ T3404] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abd6
[  105.677070][ T3404] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9f5b0a60
| [  106.895953][ T3512] softirqs last disabled at (0): 0x0
| [  106.895955][ T3512] Preemption disabled at:
| [  106.895955][ T3512] vprintk_emit (kernel/printk/printk.c:2471)
| [  106.895965][ T3512] Tainted: [W]=WARN
[  106.895966][ T3512] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.895968][ T3512] Call Trace:
[  106.895969][ T3512]  <TASK>
[  106.895971][ T3512]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  106.895976][ T3512]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  106.895977][ T3512]  __might_resched.cold (kernel/sched/core.c:9234)
[  106.895981][ T3512]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  106.895984][ T3512]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  106.895987][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.895990][ T3512]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  106.895992][ T3512]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  106.895995][ T3512]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.896000][ T3512]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  106.896002][ T3512]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.896005][ T3512]  put_chars (drivers/char/virtio_console.c:1176)
[  106.896006][ T3512]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  106.896008][ T3512]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  106.896011][ T3512]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  106.896015][ T3512]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  106.896017][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896018][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896021][ T3512]  console_emit_next_record (kernel/printk/printk.c:3183)
[  106.896024][ T3512]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  106.896026][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896027][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896028][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896029][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896031][ T3512]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  106.896033][ T3512]  console_flush_one_record (kernel/printk/printk.c:3268)
[  106.896035][ T3512]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  106.896038][ T3512]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  106.896040][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896041][ T3512]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  106.896043][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896044][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  106.896046][ T3512]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  106.896047][ T3512]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  106.896048][ T3512]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  106.896050][ T3512]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  106.896052][ T3512]  vprintk_emit (kernel/printk/printk.c:2479)
[  106.896053][ T3512]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  106.896055][ T3512]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  106.896056][ T3512]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  106.896060][ T3512]  _printk (kernel/printk/printk.c:2504)
[  106.896063][ T3512]  ? snapshot_read.cold (user.c:?)
[  106.896065][ T3512]  ? br_multicast_flood (??:?)
[  106.896068][ T3512]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  106.896071][ T3512]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  106.896072][ T3512]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.896074][ T3512]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  106.896077][ T3512]  br_init_port (net/bridge/br_stp_if.c:39)
[  106.896079][ T3512]  new_nbp (net/bridge/br_if.c:449)
[  106.896081][ T3512]  br_add_if (net/bridge/br_if.c:592)
[  106.896083][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  106.896085][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  106.896087][ T3512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  106.896090][ T3512]  do_set_master (net/core/rtnetlink.c:3071)
[  106.896092][ T3512]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  106.896094][ T3512]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  106.896095][ T3512]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  106.896096][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896104][ T3512]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  106.896107][ T3512]  ? kasan_save_stack (mm/kasan/common.c:58)
[  106.896109][ T3512]  ? kasan_save_stack (mm/kasan/common.c:57)
[  106.896110][ T3512]  ? kasan_save_track (mm/kasan/common.c:78)
[  106.896111][ T3512]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  106.896112][ T3512]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  106.896113][ T3512]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  106.896114][ T3512]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.896115][ T3512]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  106.896119][ T3512]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.896120][ T3512]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  106.896122][ T3512]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  106.896124][ T3512]  ? ____sys_sendmsg (net/socket.c:2713)
[  106.896126][ T3512]  ? ___sys_sendmsg (net/socket.c:2767)
[  106.896127][ T3512]  ? __sys_sendmsg (net/socket.c:2799)
[  106.896129][ T3512]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  106.896132][ T3512]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.896137][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896138][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896139][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896140][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896141][ T3512]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  106.896143][ T3512]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  106.896145][ T3512]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  106.896146][ T3512]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  106.896148][ T3512]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  106.896148][ T3512]  ? nla_get_range_signed (lib/nlattr.c:270)
[  106.896152][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896153][ T3512]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  106.896155][ T3512]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  106.896157][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896158][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.896159][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896161][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896162][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  106.896164][ T3512]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  106.896165][ T3512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  106.896166][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896168][ T3512]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  106.896171][ T3512]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  106.896173][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896174][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896176][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896177][ T3512]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  106.896178][ T3512]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  106.896180][ T3512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.896181][ T3512]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  106.896182][ T3512]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  106.896185][ T3512]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  106.896186][ T3512]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  106.896188][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  106.896189][ T3512]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  106.896191][ T3512]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  106.896194][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896195][ T3512]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  106.896197][ T3512]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  106.896199][ T3512]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  106.896201][ T3512]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.896203][ T3512]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  106.896205][ T3512]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  106.896206][ T3512]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  106.896208][ T3512]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.896209][ T3512]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  106.896213][ T3512]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  106.896214][ T3512]  ____sys_sendmsg (net/socket.c:2713)
[  106.896216][ T3512]  ? copy_msghdr_from_user (net/socket.c:2650)
[  106.896218][ T3512]  ? sock_write_iter (net/socket.c:1269)
[  106.896219][ T3512]  ? move_addr_to_kernel (net/socket.c:258)
[  106.896221][ T3512]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  106.896223][ T3512]  ___sys_sendmsg (net/socket.c:2767)
[  106.896225][ T3512]  ? copy_msghdr_from_user (net/socket.c:2619)
[  106.896230][ T3512]  __sys_sendmsg (net/socket.c:2799)
[  106.896232][ T3512]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  106.896235][ T3512]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.896236][ T3512]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  106.896238][ T3512]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  106.896240][ T3512]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  106.896241][ T3512] RIP: 0033:0x7f04a879a54e
[  106.896243][ T3512] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  106.896244][ T3512] RSP: 002b:00007ffffc6b23f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  106.896248][ T3512] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f04a879a54e
[  106.896249][ T3512] RDX: 0000000000000000 RSI: 00007ffffc6b24a0 RDI: 0000000000000005
[  106.896250][ T3512] RBP: 00007ffffc6b2400 R08: 0000000000000000 R09: 0000000000000000
[  106.896251][ T3512] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abd7
[  106.896252][ T3512] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffc6b2b70
| [  107.906623][ T3588] softirqs last disabled at (0): 0x0
| [  107.906625][ T3588] Preemption disabled at:
| [  107.906626][ T3588] 0x0
| [  107.906634][ T3588] Tainted: [W]=WARN
[  107.906635][ T3588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.906636][ T3588] Call Trace:
[  107.906637][ T3588]  <TASK>
[  107.906639][ T3588]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  107.906644][ T3588]  __might_resched.cold (kernel/sched/core.c:9234)
[  107.906649][ T3588]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  107.906652][ T3588]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  107.906655][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906658][ T3588]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  107.906661][ T3588]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  107.906664][ T3588]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.906669][ T3588]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  107.906670][ T3588]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  107.906673][ T3588]  put_chars (drivers/char/virtio_console.c:1176)
[  107.906675][ T3588]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  107.906676][ T3588]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  107.906680][ T3588]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  107.906684][ T3588]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  107.906686][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906687][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906690][ T3588]  console_emit_next_record (kernel/printk/printk.c:3183)
[  107.906693][ T3588]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  107.906695][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906696][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906697][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906698][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906699][ T3588]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  107.906701][ T3588]  console_flush_one_record (kernel/printk/printk.c:3268)
[  107.906704][ T3588]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  107.906706][ T3588]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  107.906708][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906710][ T3588]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  107.906711][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906712][ T3588]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.906714][ T3588]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  107.906715][ T3588]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  107.906717][ T3588]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  107.906719][ T3588]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  107.906720][ T3588]  vprintk_emit (kernel/printk/printk.c:2479)
[  107.906722][ T3588]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  107.906724][ T3588]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  107.906727][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906728][ T3588]  _printk (kernel/printk/printk.c:2504)
[  107.906731][ T3588]  ? snapshot_read.cold (user.c:?)
[  107.906733][ T3588]  ? __wake_up (./include/linux/spinlock.h:425 (discriminator 3) kernel/sched/wait.c:128 (discriminator 3) kernel/sched/wait.c:147 (discriminator 3))
[  107.906735][ T3588]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1549)
[  107.906740][ T3588]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  107.906744][ T3588]  br_init_port (net/bridge/br_stp_if.c:39)
[  107.906746][ T3588]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[  107.906748][ T3588]  br_device_event (net/bridge/br.c:120)
[  107.906750][ T3588]  ? packet_sendmsg_spkt (af_packet.c:?)
[  107.906752][ T3588]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[  107.906754][ T3588]  ? addrconf_notify (net/ipv6/addrconf.c:3796)
[  107.906757][ T3588]  notifier_call_chain (kernel/notifier.c:85)
[  107.906760][ T3588]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853)
[  107.906764][ T3588]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.906766][ T3588]  ? netif_change_name (net/core/dev.c:1517)
[  107.906768][ T3588]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  107.906770][ T3588]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  107.906772][ T3588]  ? __kernel_text_address (kernel/extable.c:79)
[  107.906774][ T3588]  ? write_profile (profile.c:?)
[  107.906777][ T3588]  netif_change_flags (net/core/dev.c:9882)
[  107.906779][ T3588]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  107.906782][ T3588]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  107.906784][ T3588]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  107.906785][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906786][ T3588]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  107.906789][ T3588]  ? kasan_save_stack (mm/kasan/common.c:58)
[  107.906791][ T3588]  ? kasan_save_stack (mm/kasan/common.c:57)
[  107.906792][ T3588]  ? kasan_save_track (mm/kasan/common.c:78)
[  107.906793][ T3588]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  107.906794][ T3588]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  107.906796][ T3588]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  107.906797][ T3588]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  107.906798][ T3588]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.906799][ T3588]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.906801][ T3588]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.906802][ T3588]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.906805][ T3588]  ? ____sys_sendmsg (net/socket.c:2713)
[  107.906806][ T3588]  ? ___sys_sendmsg (net/socket.c:2767)
[  107.906808][ T3588]  ? __sys_sendmsg (net/socket.c:2799)
[  107.906810][ T3588]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.906813][ T3588]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.906816][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906817][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906818][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906819][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906820][ T3588]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  107.906822][ T3588]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  107.906824][ T3588]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  107.906825][ T3588]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  107.906827][ T3588]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  107.906828][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906830][ T3588]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  107.906832][ T3588]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  107.906833][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906835][ T3588]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.906836][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906837][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906839][ T3588]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  107.906841][ T3588]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  107.906843][ T3588]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  107.906844][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906845][ T3588]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  107.906849][ T3588]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  107.906851][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906852][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906853][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906855][ T3588]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  107.906856][ T3588]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  107.906857][ T3588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.906859][ T3588]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  107.906860][ T3588]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  107.906863][ T3588]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  107.906864][ T3588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  107.906866][ T3588]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.906867][ T3588]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  107.906869][ T3588]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  107.906871][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906872][ T3588]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  107.906874][ T3588]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  107.906876][ T3588]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  107.906878][ T3588]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.906880][ T3588]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  107.906882][ T3588]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  107.906884][ T3588]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  107.906885][ T3588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  107.906887][ T3588]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  107.906890][ T3588]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  107.906892][ T3588]  ____sys_sendmsg (net/socket.c:2713)
[  107.906893][ T3588]  ? copy_msghdr_from_user (net/socket.c:2650)
[  107.906895][ T3588]  ? sock_write_iter (net/socket.c:1269)
[  107.906897][ T3588]  ? move_addr_to_kernel (net/socket.c:258)
[  107.906898][ T3588]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  107.906901][ T3588]  ___sys_sendmsg (net/socket.c:2767)
[  107.906902][ T3588]  ? copy_msghdr_from_user (net/socket.c:2619)
[  107.906907][ T3588]  __sys_sendmsg (net/socket.c:2799)
[  107.906909][ T3588]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  107.906912][ T3588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  107.906913][ T3588]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  107.906915][ T3588]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  107.906917][ T3588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  107.906919][ T3588] RIP: 0033:0x7fe99628554e
[  107.906920][ T3588] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  107.906922][ T3588] RSP: 002b:00007ffc9ab3e3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  107.906926][ T3588] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe99628554e
[  107.906927][ T3588] RDX: 0000000000000000 RSI: 00007ffc9ab3e490 RDI: 0000000000000005
[  107.906928][ T3588] RBP: 00007ffc9ab3e3f0 R08: 0000000000000000 R09: 0000000000000000
[  107.906929][ T3588] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abd8
[  107.906929][ T3588] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9ab3eb60
| [  109.174659][ T3681] softirqs last disabled at (0): 0x0
| [  109.174662][ T3681] Preemption disabled at:
| [  109.174662][ T3681] vprintk_emit (kernel/printk/printk.c:2471)
| [  109.174672][ T3681] Tainted: [W]=WARN
[  109.174673][ T3681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.174675][ T3681] Call Trace:
[  109.174677][ T3681]  <TASK>
[  109.174678][ T3681]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.174684][ T3681]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  109.174685][ T3681]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.174689][ T3681]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.174692][ T3681]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  109.174696][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174698][ T3681]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  109.174701][ T3681]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.174704][ T3681]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.174709][ T3681]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  109.174710][ T3681]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.174713][ T3681]  put_chars (drivers/char/virtio_console.c:1176)
[  109.174714][ T3681]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.174716][ T3681]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  109.174719][ T3681]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.174724][ T3681]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.174726][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174727][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174729][ T3681]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.174732][ T3681]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.174734][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174735][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174736][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174737][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174739][ T3681]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  109.174741][ T3681]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.174743][ T3681]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.174746][ T3681]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.174748][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174749][ T3681]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.174751][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174752][ T3681]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.174753][ T3681]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  109.174755][ T3681]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  109.174756][ T3681]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.174758][ T3681]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.174760][ T3681]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.174761][ T3681]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.174762][ T3681]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.174764][ T3681]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  109.174767][ T3681]  _printk (kernel/printk/printk.c:2504)
[  109.174771][ T3681]  ? snapshot_read.cold (user.c:?)
[  109.174773][ T3681]  ? br_multicast_flood (??:?)
[  109.174776][ T3681]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  109.174779][ T3681]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  109.174780][ T3681]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  109.174782][ T3681]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  109.174785][ T3681]  br_init_port (net/bridge/br_stp_if.c:39)
[  109.174787][ T3681]  new_nbp (net/bridge/br_if.c:449)
[  109.174789][ T3681]  br_add_if (net/bridge/br_if.c:592)
[  109.174791][ T3681]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  109.174794][ T3681]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  109.174795][ T3681]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  109.174798][ T3681]  do_set_master (net/core/rtnetlink.c:3071)
[  109.174800][ T3681]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  109.174802][ T3681]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  109.174804][ T3681]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  109.174805][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174806][ T3681]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  109.174809][ T3681]  ? kasan_save_stack (mm/kasan/common.c:58)
[  109.174811][ T3681]  ? kasan_save_stack (mm/kasan/common.c:57)
[  109.174813][ T3681]  ? kasan_save_track (mm/kasan/common.c:78)
[  109.174814][ T3681]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  109.174815][ T3681]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  109.174816][ T3681]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  109.174817][ T3681]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  109.174818][ T3681]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  109.174821][ T3681]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  109.174823][ T3681]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  109.174824][ T3681]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  109.174827][ T3681]  ? ____sys_sendmsg (net/socket.c:2713)
[  109.174828][ T3681]  ? ___sys_sendmsg (net/socket.c:2767)
[  109.174829][ T3681]  ? __sys_sendmsg (net/socket.c:2799)
[  109.174831][ T3681]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  109.174834][ T3681]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.174837][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174838][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174840][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174841][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174842][ T3681]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  109.174843][ T3681]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  109.174845][ T3681]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  109.174846][ T3681]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  109.174848][ T3681]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  109.174849][ T3681]  ? nla_get_range_signed (lib/nlattr.c:270)
[  109.174852][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174853][ T3681]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  109.174855][ T3681]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  109.174857][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174858][ T3681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.174859][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174861][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174862][ T3681]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  109.174863][ T3681]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  109.174865][ T3681]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  109.174866][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174867][ T3681]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  109.174870][ T3681]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  109.174873][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174874][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174875][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174877][ T3681]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  109.174878][ T3681]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  109.174879][ T3681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.174881][ T3681]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  109.174882][ T3681]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  109.174884][ T3681]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  109.174886][ T3681]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.174888][ T3681]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.174889][ T3681]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  109.174891][ T3681]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  109.174894][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174895][ T3681]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.174897][ T3681]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  109.174899][ T3681]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  109.174901][ T3681]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.174902][ T3681]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  109.174905][ T3681]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  109.174906][ T3681]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  109.174908][ T3681]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.174909][ T3681]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  109.174912][ T3681]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  109.174914][ T3681]  ____sys_sendmsg (net/socket.c:2713)
[  109.174916][ T3681]  ? copy_msghdr_from_user (net/socket.c:2650)
[  109.174917][ T3681]  ? sock_write_iter (net/socket.c:1269)
[  109.174919][ T3681]  ? move_addr_to_kernel (net/socket.c:258)
[  109.174921][ T3681]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  109.174923][ T3681]  ___sys_sendmsg (net/socket.c:2767)
[  109.174925][ T3681]  ? copy_msghdr_from_user (net/socket.c:2619)
[  109.174930][ T3681]  __sys_sendmsg (net/socket.c:2799)
[  109.174932][ T3681]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  109.174934][ T3681]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.174936][ T3681]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  109.174937][ T3681]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  109.174940][ T3681]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.174941][ T3681] RIP: 0033:0x7fbaa612054e
[  109.174943][ T3681] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  109.174945][ T3681] RSP: 002b:00007ffe5f89ef00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  109.174948][ T3681] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbaa612054e
[  109.174950][ T3681] RDX: 0000000000000000 RSI: 00007ffe5f89efb0 RDI: 0000000000000005
[  109.174951][ T3681] RBP: 00007ffe5f89ef10 R08: 0000000000000000 R09: 0000000000000000
[  109.174952][ T3681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91abd9
[  109.174953][ T3681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5f89f680
| [  110.174659][   T12] softirqs last disabled at (1320516): addrconf_dad_begin (net/ipv6/addrconf.c:4137)
| [  110.174661][   T12] Preemption disabled at:
| [  110.174662][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.174672][   T12] Tainted: [W]=WARN
[  110.174673][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.174675][   T12] Workqueue: netns cleanup_net
[  110.174680][   T12] Call Trace:
[  110.174681][   T12]  <TASK>
[  110.174683][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.174689][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.174690][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.174694][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.174697][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174700][   T12]  kmem_cache_alloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5010 (discriminator 2))
[  110.174702][   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)
[  110.174705][   T12]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[  110.174709][   T12]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[  110.174710][   T12]  ? kasan_quarantine_reduce (./include/linux/srcu.h:498 mm/kasan/quarantine.c:287)
[  110.174713][   T12]  __create_object (mm/kmemleak.c:801)
[  110.174715][   T12]  __kmalloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5413 mm/slub.c:5439)
[  110.174716][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.174718][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.174723][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.174725][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  110.174726][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.174728][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  110.174730][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.174735][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.174736][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  110.174738][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.174740][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174741][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174743][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.174745][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.174747][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174749][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174750][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.174752][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  110.174754][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.174757][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.174759][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.174761][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.174763][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.174764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174765][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.174767][   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)
[  110.174768][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  110.174770][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.174772][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.174773][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.174775][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.174776][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  110.174777][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  110.174780][   T12]  ? kthread (kernel/kthread.c:436)
[  110.174782][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  110.174785][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  110.174788][   T12]  _printk (kernel/printk/printk.c:2504)
[  110.174790][   T12]  ? snapshot_read.cold (user.c:?)
[  110.174793][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  110.174796][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  110.174798][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  110.174800][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  110.174802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174803][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  110.174804][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  110.174807][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  110.174809][   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)
[  110.174810][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  110.174812][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  110.174814][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  110.174817][   T12]  ? __up_write (kernel/locking/rwsem.c:1415)
[  110.174819][   T12]  ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1))
[  110.174820][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  110.174822][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  110.174824][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  110.174827][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  110.174829][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  110.174831][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  110.174834][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  110.174835][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  110.174837][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  110.174840][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.174841][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.174843][   T12]  process_one_work (kernel/workqueue.c:3387)
[  110.174846][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  110.174848][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  110.174851][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  110.174854][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  110.174855][   T12]  kthread (kernel/kthread.c:436)
[  110.174857][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  110.174859][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  110.174861][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  110.174862][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  110.174864][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  110.174867][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
addrconf_dad_begin:vprintk_emit:dump_stack_lvl:kmem_cache_alloc_noprof:__alloc_object
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning