======================================
| [   13.166854][  T282] softirqs last disabled at (20604): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.166857][  T282] Preemption disabled at:
| [   13.166857][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.166866][  T282] Tainted: [W]=WARN
[   13.166867][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.166869][  T282] Call Trace:
[   13.166871][  T282]  <TASK>
[   13.166872][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.166878][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.166880][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.166885][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.166889][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.166894][  T282]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.166896][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.166903][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.166905][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.166909][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   13.166912][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.166915][  T282]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.166920][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.166928][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.166931][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.166933][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.166938][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.166942][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.166943][  T282]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.166947][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.166949][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.166953][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.166957][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.166959][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.166965][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.166968][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.166970][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.166971][  T282]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.166975][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.166977][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.166980][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.166983][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.166985][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.166987][  T282]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.166991][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.166995][  T282]  _printk (kernel/printk/printk.c:2504)
[   13.166998][  T282]  ? snapshot_read.cold (user.c:?)
[   13.167002][  T282]  ? br_multicast_flood (??:?)
[   13.167005][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.167007][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.167008][  T282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.167013][  T282]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.167018][  T282]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.167020][  T282]  new_nbp (net/bridge/br_if.c:449)
[   13.167024][  T282]  br_add_if (net/bridge/br_if.c:592)
[   13.167027][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.167030][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.167040][  T282]  do_set_master (net/core/rtnetlink.c:3071)
[   13.167044][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.167047][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.167051][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.167052][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.167055][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.167058][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.167060][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.167062][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.167065][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.167067][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.167068][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.167069][  T282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.167072][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.167074][  T282]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   13.167077][  T282]  ? ___sys_sendmsg (net/socket.c:2758)
[   13.167081][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.167083][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.167085][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.167087][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.167089][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.167090][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.167092][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.167094][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.167095][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.167097][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.167101][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.167102][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.167107][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.167109][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.167114][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.167120][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.167122][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.167126][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.167128][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.167131][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.167133][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.167136][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.167138][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.167142][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.167143][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.167148][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.167150][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.167153][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.167156][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.167159][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.167166][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.167168][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.167173][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.167181][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.167184][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.167188][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.167192][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.167196][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.167198][  T282]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.167203][  T282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.167206][  T282]  ____sys_sendmsg (net/socket.c:2713)
[   13.167209][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.167211][  T282]  ? sock_write_iter (net/socket.c:1269)
[   13.167213][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   13.167220][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   13.167223][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.167239][  T282]  __sys_sendmsg (net/socket.c:2799)
[   13.167242][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.167248][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.167252][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.167255][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.167257][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.167260][  T282] RIP: 0033:0x7f581d2d654e
[   13.167263][  T282] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.167265][  T282] RSP: 002b:00007ffcfacc49c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.167268][  T282] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f581d2d654e
[   13.167270][  T282] RDX: 0000000000000000 RSI: 00007ffcfacc4a70 RDI: 0000000000000005
[   13.167271][  T282] RBP: 00007ffcfacc49d0 R08: 0000000000000000 R09: 0000000000000000
[   13.167272][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a53
[   13.167272][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfacc5130
| [   15.746910][  T345] softirqs last disabled at (19108): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.746913][  T345] Preemption disabled at:
| [   15.746913][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.746921][  T345] Tainted: [W]=WARN
[   15.746922][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.746924][  T345] Call Trace:
[   15.746925][  T345]  <TASK>
[   15.746927][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.746933][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.746934][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.746939][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.746943][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.746948][  T345]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.746949][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.746956][  T345]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.746959][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.746962][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   15.746965][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.746968][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.746973][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.746981][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.746984][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.746986][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.746990][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.746995][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.746996][  T345]  ? 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))
[   15.747000][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747001][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.747005][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.747010][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.747012][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747017][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.747020][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.747022][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747023][  T345]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.747027][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.747029][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.747031][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.747037][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.747039][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.747040][  T345]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.747043][  T345]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.747045][  T345]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.747047][  T345]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.747049][  T345]  ? ____sys_sendmsg (net/socket.c:2713)
[   15.747051][  T345]  ? ___sys_sendmsg (net/socket.c:2767)
[   15.747054][  T345]  _printk (kernel/printk/printk.c:2504)
[   15.747058][  T345]  ? snapshot_read.cold (user.c:?)
[   15.747063][  T345]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.747066][  T345]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.747070][  T345]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.747073][  T345]  ? netdev_notice (net/core/dev.c:13194)
[   15.747077][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747079][  T345]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   15.747082][  T345]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   15.747084][  T345]  ? 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)
[   15.747086][  T345]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   15.747090][  T345]  dev_set_allmulti (net/core/dev_api.c:315)
[   15.747094][  T345]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   15.747100][  T345]  br_del_if (net/bridge/br_if.c:732)
[   15.747102][  T345]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.747107][  T345]  do_set_master (net/core/rtnetlink.c:3055)
[   15.747110][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.747113][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.747117][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.747119][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.747121][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.747125][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.747127][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.747129][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.747131][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.747133][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.747135][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.747136][  T345]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.747138][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747140][  T345]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.747142][  T345]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.747146][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.747148][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.747150][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747152][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.747154][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747155][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747156][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.747159][  T345]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.747161][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.747163][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.747166][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.747168][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.747173][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747175][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.747180][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.747192][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.747194][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747198][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.747200][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.747203][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.747204][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.747208][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.747210][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.747213][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.747215][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.747219][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.747221][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.747225][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.747227][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.747230][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.747236][  T345]  ? 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))
[   15.747238][  T345]  ? 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))
[   15.747243][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.747247][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.747250][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.747254][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.747258][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.747262][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.747263][  T345]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.747269][  T345]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.747271][  T345]  ____sys_sendmsg (net/socket.c:2713)
[   15.747274][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.747276][  T345]  ? sock_write_iter (net/socket.c:1269)
[   15.747277][  T345]  ? move_addr_to_kernel (net/socket.c:258)
[   15.747285][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   15.747288][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.747304][  T345]  __sys_sendmsg (net/socket.c:2799)
[   15.747307][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.747313][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.747316][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.747319][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.747322][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.747324][  T345] RIP: 0033:0x7f657687c54e
[   15.747328][  T345] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.747330][  T345] RSP: 002b:00007ffe76143030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.747332][  T345] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f657687c54e
[   15.747334][  T345] RDX: 0000000000000000 RSI: 00007ffe761430e0 RDI: 0000000000000005
[   15.747335][  T345] RBP: 00007ffe76143040 R08: 0000000000000000 R09: 0000000000000000
[   15.747335][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a56
[   15.747336][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe761437a0
| [   18.576695][  T430] softirqs last disabled at (13286): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.576698][  T430] Preemption disabled at:
| [   18.576698][  T430] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.576707][  T430] Tainted: [W]=WARN
[   18.576708][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.576710][  T430] Call Trace:
[   18.576711][  T430]  <TASK>
[   18.576713][  T430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.576719][  T430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.576721][  T430]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.576725][  T430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.576729][  T430]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.576734][  T430]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.576736][  T430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.576743][  T430]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.576746][  T430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.576750][  T430]  put_chars (drivers/char/virtio_console.c:1176)
[   18.576752][  T430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.576755][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.576761][  T430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.576768][  T430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.576771][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576774][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.576778][  T430]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.576782][  T430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.576784][  T430]  ? 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))
[   18.576788][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576790][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.576794][  T430]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.576798][  T430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.576800][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.576806][  T430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.576809][  T430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.576811][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576812][  T430]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   18.576816][  T430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.576818][  T430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.576821][  T430]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.576824][  T430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.576826][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.576827][  T430]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.576830][  T430]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.576832][  T430]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.576834][  T430]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.576836][  T430]  ? ____sys_sendmsg (net/socket.c:2713)
[   18.576838][  T430]  ? ___sys_sendmsg (net/socket.c:2767)
[   18.576841][  T430]  _printk (kernel/printk/printk.c:2504)
[   18.576845][  T430]  ? snapshot_read.cold (user.c:?)
[   18.576850][  T430]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.576854][  T430]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.576858][  T430]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.576861][  T430]  ? netdev_notice (net/core/dev.c:13194)
[   18.576866][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576868][  T430]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   18.576870][  T430]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   18.576872][  T430]  ? 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)
[   18.576875][  T430]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   18.576879][  T430]  dev_set_allmulti (net/core/dev_api.c:315)
[   18.576883][  T430]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   18.576889][  T430]  br_del_if (net/bridge/br_if.c:732)
[   18.576891][  T430]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.576895][  T430]  do_set_master (net/core/rtnetlink.c:3055)
[   18.576899][  T430]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.576903][  T430]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.576906][  T430]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.576908][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.576911][  T430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.576914][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.576916][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.576918][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.576921][  T430]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.576923][  T430]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.576924][  T430]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.576925][  T430]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.576928][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.576930][  T430]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   18.576932][  T430]  ? ___sys_sendmsg (net/socket.c:2758)
[   18.576936][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.576938][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.576941][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576942][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.576944][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576945][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576947][  T430]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.576949][  T430]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   18.576952][  T430]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.576954][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.576958][  T430]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.576959][  T430]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.576964][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.576966][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.576971][  T430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.576977][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.576979][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.576984][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.576986][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.576988][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.576990][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.576994][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.576996][  T430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.576999][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.577000][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.577005][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.577007][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.577011][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.577013][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.577016][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.577022][  T430]  ? 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))
[   18.577025][  T430]  ? 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))
[   18.577029][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.577036][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.577038][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.577043][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.577047][  T430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.577051][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.577053][  T430]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.577058][  T430]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.577061][  T430]  ____sys_sendmsg (net/socket.c:2713)
[   18.577063][  T430]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.577066][  T430]  ? sock_write_iter (net/socket.c:1269)
[   18.577067][  T430]  ? move_addr_to_kernel (net/socket.c:258)
[   18.577075][  T430]  ___sys_sendmsg (net/socket.c:2767)
[   18.577078][  T430]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.577094][  T430]  __sys_sendmsg (net/socket.c:2799)
[   18.577097][  T430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.577104][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.577107][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.577110][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.577113][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.577115][  T430] RIP: 0033:0x7f98f28e554e
[   18.577119][  T430] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   18.577121][  T430] RSP: 002b:00007ffc2af5cd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.577124][  T430] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f98f28e554e
[   18.577125][  T430] RDX: 0000000000000000 RSI: 00007ffc2af5cdf0 RDI: 0000000000000005
[   18.577126][  T430] RBP: 00007ffc2af5cd50 R08: 0000000000000000 R09: 0000000000000000
[   18.577127][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a58
[   18.577128][  T430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2af5d4b0
| [   21.353091][  T508] softirqs last disabled at (14714): dev_mc_unsync (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1148 (discriminator 2) net/core/dev_addr_lists.c:1142 (discriminator 2))
| [   21.353095][  T508] Preemption disabled at:
| [   21.353096][  T508] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.353107][  T508] Tainted: [W]=WARN
[   21.353108][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.353110][  T508] Call Trace:
[   21.353112][  T508]  <TASK>
[   21.353115][  T508]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.353122][  T508]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.353124][  T508]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.353130][  T508]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.353136][  T508]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.353142][  T508]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.353145][  T508]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.353154][  T508]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.353158][  T508]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.353164][  T508]  put_chars (drivers/char/virtio_console.c:1176)
[   21.353168][  T508]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.353170][  T508]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   21.353177][  T508]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   21.353183][  T508]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.353188][  T508]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.353191][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353193][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353201][  T508]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.353203][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.353216][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.353223][  T508]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.353229][  T508]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.353232][  T508]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.353237][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.353241][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.353248][  T508]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.353255][  T508]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.353257][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353267][  T508]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.353271][  T508]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.353274][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.353277][  T508]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.353283][  T508]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.353285][  T508]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.353290][  T508]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.353296][  T508]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.353299][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353307][  T508]  _printk (kernel/printk/printk.c:2504)
[   21.353312][  T508]  ? snapshot_read.cold (user.c:?)
[   21.353316][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.353319][  T508]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.353321][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.353323][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.353325][  T508]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.353329][  T508]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.353336][  T508]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.353340][  T508]  ? netdev_notice (net/core/dev.c:13194)
[   21.353344][  T508]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.353358][  T508]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   21.353364][  T508]  netif_set_promiscuity (net/core/dev.c:9699)
[   21.353370][  T508]  dev_set_promiscuity (net/core/dev_api.c:288)
[   21.353375][  T508]  macvlan_stop (drivers/net/macvlan.c:717)
[   21.353381][  T508]  __dev_close_many (net/core/dev.c:1798)
[   21.353386][  T508]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[   21.353397][  T508]  ? netif_open (net/core/dev.c:1755)
[   21.353403][  T508]  ? netif_close_many (net/core/dev.c:1824)
[   21.353410][  T508]  netif_close_many (net/core/dev.c:1824)
[   21.353417][  T508]  ? __dev_close_many (net/core/dev.c:1804)
[   21.353422][  T508]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   21.353430][  T508]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   21.353436][  T508]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.353442][  T508]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   21.353445][  T508]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   21.353450][  T508]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   21.353454][  T508]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   21.353462][  T508]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   21.353465][  T508]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.353468][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353470][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353474][  T508]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   21.353516][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.353518][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.353523][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.353526][  T508]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.353530][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353537][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.353540][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.353543][  T508]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   21.353547][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.353553][  T508]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   21.353557][  T508]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.353562][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.353564][  T508]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.353572][  T508]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.353575][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.353581][  T508]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.353584][  T508]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.353589][  T508]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.353600][  T508]  ? 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))
[   21.353603][  T508]  ? 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))
[   21.353611][  T508]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.353618][  T508]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.353622][  T508]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.353629][  T508]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.353636][  T508]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.353642][  T508]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.353645][  T508]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   21.353653][  T508]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   21.353659][  T508]  ____sys_sendmsg (net/socket.c:2713)
[   21.353662][  T508]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.353666][  T508]  ? sock_write_iter (net/socket.c:1269)
[   21.353668][  T508]  ? move_addr_to_kernel (net/socket.c:258)
[   21.353681][  T508]  ___sys_sendmsg (net/socket.c:2767)
[   21.353686][  T508]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.353716][  T508]  __sys_sendmsg (net/socket.c:2799)
[   21.353720][  T508]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.353731][  T508]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.353736][  T508]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.353740][  T508]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.353745][  T508]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.353748][  T508] RIP: 0033:0x7f831abad54e
[   21.353752][  T508] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.353754][  T508] RSP: 002b:00007ffecb9be670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.353757][  T508] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f831abad54e
[   21.353759][  T508] RDX: 0000000000000000 RSI: 00007ffecb9be720 RDI: 0000000000000005
[   21.353761][  T508] RBP: 00007ffecb9be680 R08: 0000000000000000 R09: 0000000000000000
[   21.353762][  T508] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a5b
[   21.353763][  T508] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecb9bede0
| [   24.217256][  T595] softirqs last disabled at (11273): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.217259][  T595] Preemption disabled at:
| [   24.217260][  T595] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.217271][  T595] Tainted: [W]=WARN
[   24.217273][  T595] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.217275][  T595] Call Trace:
[   24.217277][  T595]  <TASK>
[   24.217279][  T595]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.217286][  T595]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.217289][  T595]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.217295][  T595]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.217300][  T595]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.217307][  T595]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.217310][  T595]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.217319][  T595]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.217323][  T595]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.217329][  T595]  put_chars (drivers/char/virtio_console.c:1176)
[   24.217333][  T595]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.217337][  T595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.217346][  T595]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.217358][  T595]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.217362][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217366][  T595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.217374][  T595]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.217380][  T595]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.217383][  T595]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.217388][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217391][  T595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.217398][  T595]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.217404][  T595]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.217407][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.217416][  T595]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.217421][  T595]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.217423][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217426][  T595]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.217432][  T595]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.217435][  T595]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.217440][  T595]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.217445][  T595]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.217447][  T595]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.217449][  T595]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.217453][  T595]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.217455][  T595]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.217458][  T595]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.217462][  T595]  ? ____sys_sendmsg (net/socket.c:2713)
[   24.217464][  T595]  ? ___sys_sendmsg (net/socket.c:2767)
[   24.217469][  T595]  _printk (kernel/printk/printk.c:2504)
[   24.217474][  T595]  ? snapshot_read.cold (user.c:?)
[   24.217482][  T595]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.217486][  T595]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.217493][  T595]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.217497][  T595]  ? netdev_notice (net/core/dev.c:13194)
[   24.217504][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217507][  T595]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   24.217511][  T595]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   24.217514][  T595]  ? 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)
[   24.217518][  T595]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   24.217525][  T595]  dev_set_allmulti (net/core/dev_api.c:315)
[   24.217531][  T595]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   24.217540][  T595]  br_del_if (net/bridge/br_if.c:732)
[   24.217543][  T595]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.217547][  T595]  do_set_master (net/core/rtnetlink.c:3055)
[   24.217553][  T595]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   24.217559][  T595]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   24.217564][  T595]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   24.217566][  T595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.217570][  T595]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.217575][  T595]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.217578][  T595]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.217581][  T595]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.217585][  T595]  ? kasan_save_stack (mm/kasan/common.c:58)
[   24.217588][  T595]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.217590][  T595]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.217592][  T595]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.217596][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.217599][  T595]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   24.217602][  T595]  ? ___sys_sendmsg (net/socket.c:2758)
[   24.217608][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.217611][  T595]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.217615][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217619][  T595]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.217621][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217623][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217626][  T595]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   24.217629][  T595]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   24.217632][  T595]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   24.217636][  T595]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   24.217642][  T595]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   24.217644][  T595]  ? nla_get_range_signed (lib/nlattr.c:270)
[   24.217651][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217655][  T595]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   24.217665][  T595]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.217674][  T595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.217677][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.217685][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.217688][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.217692][  T595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.217695][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.217701][  T595]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.217705][  T595]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.217710][  T595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.217712][  T595]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.217720][  T595]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.217723][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.217729][  T595]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.217731][  T595]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.217736][  T595]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.217748][  T595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.217750][  T595]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.217758][  T595]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.217765][  T595]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.217769][  T595]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.217776][  T595]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.217783][  T595]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.217789][  T595]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.217792][  T595]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.217800][  T595]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.217804][  T595]  ____sys_sendmsg (net/socket.c:2713)
[   24.217808][  T595]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.217811][  T595]  ? sock_write_iter (net/socket.c:1269)
[   24.217814][  T595]  ? move_addr_to_kernel (net/socket.c:258)
[   24.217827][  T595]  ___sys_sendmsg (net/socket.c:2767)
[   24.217831][  T595]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.217861][  T595]  __sys_sendmsg (net/socket.c:2799)
[   24.217865][  T595]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.217876][  T595]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.217881][  T595]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.217885][  T595]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.217890][  T595]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.217893][  T595] RIP: 0033:0x7f9199c2654e
[   24.217898][  T595] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.217900][  T595] RSP: 002b:00007ffda68a7900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.217903][  T595] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9199c2654e
[   24.217905][  T595] RDX: 0000000000000000 RSI: 00007ffda68a79b0 RDI: 0000000000000005
[   24.217907][  T595] RBP: 00007ffda68a7910 R08: 0000000000000000 R09: 0000000000000000
[   24.217908][  T595] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a5e


Finger prints:
dev_mc_unsync:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars