======================================
| [   12.607082][  T282] softirqs last disabled at (21902): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.607086][  T282] Preemption disabled at:
| [   12.607087][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.607098][  T282] Tainted: [W]=WARN
[   12.607100][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.607102][  T282] Call Trace:
[   12.607104][  T282]  <TASK>
[   12.607106][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.607114][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.607116][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.607122][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.607128][  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)
[   12.607135][  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))
[   12.607138][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.607148][  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)
[   12.607151][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.607157][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   12.607161][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.607166][  T282]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.607175][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.607187][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.607191][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607195][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.607203][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.607209][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.607212][  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))
[   12.607217][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607220][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.607227][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.607234][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.607237][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.607246][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.607251][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.607253][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607256][  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)
[   12.607263][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.607265][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.607270][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.607276][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.607279][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.607282][  T282]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.607288][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.607294][  T282]  _printk (kernel/printk/printk.c:2504)
[   12.607299][  T282]  ? snapshot_read.cold (user.c:?)
[   12.607305][  T282]  ? br_multicast_flood (??:?)
[   12.607314][  T282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.607317][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.607319][  T282]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.607326][  T282]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.607334][  T282]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.607338][  T282]  new_nbp (net/bridge/br_if.c:449)
[   12.607345][  T282]  br_add_if (net/bridge/br_if.c:592)
[   12.607349][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.607353][  T282]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.607362][  T282]  do_set_master (net/core/rtnetlink.c:3071)
[   12.607369][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.607375][  T282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.607380][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.607382][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.607386][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.607391][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.607394][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.607397][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.607401][  T282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.607405][  T282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.607407][  T282]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.607409][  T282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.607413][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.607416][  T282]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   12.607420][  T282]  ? ___sys_sendmsg (net/socket.c:2758)
[   12.607426][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.607430][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.607434][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607437][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.607440][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607442][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607445][  T282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.607448][  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)
[   12.607451][  T282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.607454][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.607460][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.607462][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.607470][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607474][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.607483][  T282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.607493][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.607497][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.607505][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.607508][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.607511][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.607515][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.607521][  T282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.607525][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.607530][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.607532][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.607541][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.607544][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.607550][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.607554][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.607559][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.607570][  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))
[   12.607573][  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))
[   12.607581][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.607588][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.607592][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.607600][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.607607][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.607613][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.607616][  T282]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.607625][  T282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.607629][  T282]  ____sys_sendmsg (net/socket.c:2713)
[   12.607633][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.607637][  T282]  ? sock_write_iter (net/socket.c:1269)
[   12.607639][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.607653][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   12.607657][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.607687][  T282]  __sys_sendmsg (net/socket.c:2799)
[   12.607691][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.607703][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.607708][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.607712][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.607717][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.607720][  T282] RIP: 0033:0x7fa87b0aa54e
[   12.607725][  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
[   12.607727][  T282] RSP: 002b:00007ffe9d165fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.607731][  T282] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa87b0aa54e
[   12.607733][  T282] RDX: 0000000000000000 RSI: 00007ffe9d166050 RDI: 0000000000000005
[   12.607735][  T282] RBP: 00007ffe9d165fb0 R08: 0000000000000000 R09: 0000000000000000
[   12.607736][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9133c3
[   12.607738][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9d166710
| [   15.233488][  T344] softirqs last disabled at (17192): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.233491][  T344] Preemption disabled at:
| [   15.233492][  T344] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.233503][  T344] Tainted: [W]=WARN
[   15.233505][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.233506][  T344] Call Trace:
[   15.233508][  T344]  <TASK>
[   15.233510][  T344]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.233518][  T344]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.233521][  T344]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.233527][  T344]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.233533][  T344]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.233539][  T344]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.233543][  T344]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.233552][  T344]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.233556][  T344]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.233562][  T344]  put_chars (drivers/char/virtio_console.c:1176)
[   15.233566][  T344]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.233571][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.233580][  T344]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.233592][  T344]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.233596][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233600][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.233607][  T344]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.233614][  T344]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.233616][  T344]  ? 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))
[   15.233622][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233625][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.233632][  T344]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.233639][  T344]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.233641][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.233651][  T344]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.233655][  T344]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.233658][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233661][  T344]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   15.233667][  T344]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.233670][  T344]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.233675][  T344]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.233681][  T344]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.233683][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.233686][  T344]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.233690][  T344]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.233692][  T344]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.233695][  T344]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.233698][  T344]  ? ____sys_sendmsg (net/socket.c:2713)
[   15.233700][  T344]  ? ___sys_sendmsg (net/socket.c:2767)
[   15.233706][  T344]  _printk (kernel/printk/printk.c:2504)
[   15.233711][  T344]  ? snapshot_read.cold (user.c:?)
[   15.233718][  T344]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   15.233724][  T344]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   15.233730][  T344]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   15.233734][  T344]  ? netdev_notice (net/core/dev.c:13194)
[   15.233742][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233745][  T344]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   15.233749][  T344]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   15.233752][  T344]  ? 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)
[   15.233756][  T344]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   15.233763][  T344]  dev_set_allmulti (net/core/dev_api.c:315)
[   15.233769][  T344]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   15.233779][  T344]  br_del_if (net/bridge/br_if.c:732)
[   15.233782][  T344]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   15.233787][  T344]  do_set_master (net/core/rtnetlink.c:3055)
[   15.233794][  T344]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.233800][  T344]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.233805][  T344]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.233807][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.233811][  T344]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.233816][  T344]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.233819][  T344]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.233822][  T344]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.233826][  T344]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.233829][  T344]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.233831][  T344]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.233833][  T344]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.233837][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.233840][  T344]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   15.233844][  T344]  ? ___sys_sendmsg (net/socket.c:2758)
[   15.233850][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.233853][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.233857][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233861][  T344]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.233863][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233865][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233868][  T344]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.233872][  T344]  ? __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)
[   15.233875][  T344]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.233878][  T344]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.233884][  T344]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.233886][  T344]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.233894][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.233900][  T344]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.233910][  T344]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.233919][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.233922][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.233930][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.233933][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.233937][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.233940][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.233946][  T344]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.233950][  T344]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.233955][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.233958][  T344]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.233965][  T344]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.233968][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.233975][  T344]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.233977][  T344]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.233982][  T344]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.233994][  T344]  ? 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))
[   15.233997][  T344]  ? 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))
[   15.234005][  T344]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.234011][  T344]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.234015][  T344]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.234023][  T344]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.234030][  T344]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.234036][  T344]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.234039][  T344]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.234047][  T344]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.234052][  T344]  ____sys_sendmsg (net/socket.c:2713)
[   15.234056][  T344]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.234059][  T344]  ? sock_write_iter (net/socket.c:1269)
[   15.234062][  T344]  ? move_addr_to_kernel (net/socket.c:258)
[   15.234075][  T344]  ___sys_sendmsg (net/socket.c:2767)
[   15.234080][  T344]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.234110][  T344]  __sys_sendmsg (net/socket.c:2799)
[   15.234114][  T344]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.234125][  T344]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.234131][  T344]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.234135][  T344]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.234139][  T344]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.234143][  T344] RIP: 0033:0x7fd3ffd8554e
[   15.234147][  T344] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.234150][  T344] RSP: 002b:00007ffd7094d410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.234154][  T344] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd3ffd8554e
[   15.234156][  T344] RDX: 0000000000000000 RSI: 00007ffd7094d4c0 RDI: 0000000000000005
[   15.234157][  T344] RBP: 00007ffd7094d420 R08: 0000000000000000 R09: 0000000000000000
[   15.234159][  T344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9133c6
[   15.234160][  T344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7094db80
| [   18.119424][  T430] softirqs last disabled at (13714): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   18.119426][  T430] Preemption disabled at:
| [   18.119427][  T430] vprintk_emit (kernel/printk/printk.c:2471)
| [   18.119436][  T430] Tainted: [W]=WARN
[   18.119437][  T430] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.119439][  T430] Call Trace:
[   18.119440][  T430]  <TASK>
[   18.119442][  T430]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.119448][  T430]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   18.119450][  T430]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.119454][  T430]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.119459][  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)
[   18.119463][  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))
[   18.119465][  T430]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.119471][  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)
[   18.119474][  T430]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.119478][  T430]  put_chars (drivers/char/virtio_console.c:1176)
[   18.119481][  T430]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.119484][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.119489][  T430]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.119496][  T430]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.119499][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119502][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.119506][  T430]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.119510][  T430]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.119512][  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))
[   18.119515][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119517][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.119521][  T430]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.119525][  T430]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.119527][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.119532][  T430]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.119535][  T430]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.119537][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119539][  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)
[   18.119542][  T430]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.119544][  T430]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.119547][  T430]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.119550][  T430]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.119551][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.119553][  T430]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.119556][  T430]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.119557][  T430]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.119559][  T430]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.119561][  T430]  ? ____sys_sendmsg (net/socket.c:2713)
[   18.119563][  T430]  ? ___sys_sendmsg (net/socket.c:2767)
[   18.119566][  T430]  _printk (kernel/printk/printk.c:2504)
[   18.119570][  T430]  ? snapshot_read.cold (user.c:?)
[   18.119574][  T430]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   18.119578][  T430]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   18.119582][  T430]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   18.119585][  T430]  ? netdev_notice (net/core/dev.c:13194)
[   18.119589][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119591][  T430]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   18.119594][  T430]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   18.119596][  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)
[   18.119598][  T430]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   18.119602][  T430]  dev_set_allmulti (net/core/dev_api.c:315)
[   18.119606][  T430]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   18.119613][  T430]  br_del_if (net/bridge/br_if.c:732)
[   18.119615][  T430]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   18.119619][  T430]  do_set_master (net/core/rtnetlink.c:3055)
[   18.119622][  T430]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   18.119626][  T430]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   18.119630][  T430]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   18.119631][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   18.119634][  T430]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   18.119637][  T430]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.119640][  T430]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.119641][  T430]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.119644][  T430]  ? kasan_save_stack (mm/kasan/common.c:58)
[   18.119646][  T430]  ? kasan_save_stack (mm/kasan/common.c:57)
[   18.119647][  T430]  ? kasan_save_track (mm/kasan/common.c:78)
[   18.119649][  T430]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   18.119651][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.119653][  T430]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   18.119655][  T430]  ? ___sys_sendmsg (net/socket.c:2758)
[   18.119658][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.119660][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.119663][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119665][  T430]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.119666][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119668][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119669][  T430]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   18.119671][  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)
[   18.119674][  T430]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   18.119676][  T430]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   18.119679][  T430]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   18.119681][  T430]  ? nla_get_range_signed (lib/nlattr.c:270)
[   18.119686][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119688][  T430]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   18.119693][  T430]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   18.119698][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.119700][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.119704][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.119706][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.119709][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.119710][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.119714][  T430]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   18.119716][  T430]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   18.119719][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.119721][  T430]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.119725][  T430]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.119727][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.119730][  T430]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   18.119732][  T430]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   18.119735][  T430]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   18.119742][  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))
[   18.119744][  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))
[   18.119748][  T430]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   18.119752][  T430]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.119755][  T430]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   18.119759][  T430]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   18.119763][  T430]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   18.119767][  T430]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   18.119768][  T430]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   18.119774][  T430]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   18.119777][  T430]  ____sys_sendmsg (net/socket.c:2713)
[   18.119779][  T430]  ? copy_msghdr_from_user (net/socket.c:2650)
[   18.119781][  T430]  ? sock_write_iter (net/socket.c:1269)
[   18.119783][  T430]  ? move_addr_to_kernel (net/socket.c:258)
[   18.119790][  T430]  ___sys_sendmsg (net/socket.c:2767)
[   18.119793][  T430]  ? copy_msghdr_from_user (net/socket.c:2619)
[   18.119808][  T430]  __sys_sendmsg (net/socket.c:2799)
[   18.119811][  T430]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   18.119817][  T430]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.119820][  T430]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   18.119823][  T430]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   18.119826][  T430]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   18.119828][  T430] RIP: 0033:0x7f1512f8f54e
[   18.119832][  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
[   18.119834][  T430] RSP: 002b:00007ffc6e53ffe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   18.119837][  T430] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1512f8f54e
[   18.119838][  T430] RDX: 0000000000000000 RSI: 00007ffc6e540090 RDI: 0000000000000005
[   18.119839][  T430] RBP: 00007ffc6e53fff0 R08: 0000000000000000 R09: 0000000000000000
[   18.119840][  T430] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9133c9
[   18.119841][  T430] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6e540750
| [   20.914616][  T510] softirqs last disabled at (14272): 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))
| [   20.914618][  T510] Preemption disabled at:
| [   20.914619][  T510] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.914627][  T510] Tainted: [W]=WARN
[   20.914628][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.914630][  T510] Call Trace:
[   20.914631][  T510]  <TASK>
[   20.914633][  T510]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.914639][  T510]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.914641][  T510]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.914645][  T510]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.914649][  T510]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.914654][  T510]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.914656][  T510]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.914662][  T510]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.914665][  T510]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.914669][  T510]  put_chars (drivers/char/virtio_console.c:1176)
[   20.914671][  T510]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.914673][  T510]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   20.914677][  T510]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   20.914681][  T510]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.914685][  T510]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.914687][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914688][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914693][  T510]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.914694][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.914699][  T510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.914703][  T510]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.914707][  T510]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.914709][  T510]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.914712][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.914715][  T510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.914719][  T510]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.914723][  T510]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.914725][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914731][  T510]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.914733][  T510]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.914735][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.914737][  T510]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.914741][  T510]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.914743][  T510]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.914745][  T510]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.914749][  T510]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.914751][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914755][  T510]  _printk (kernel/printk/printk.c:2504)
[   20.914759][  T510]  ? snapshot_read.cold (user.c:?)
[   20.914762][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.914764][  T510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.914765][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.914766][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.914767][  T510]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.914771][  T510]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.914775][  T510]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.914778][  T510]  ? netdev_notice (net/core/dev.c:13194)
[   20.914781][  T510]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.914789][  T510]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   20.914793][  T510]  netif_set_promiscuity (net/core/dev.c:9699)
[   20.914797][  T510]  dev_set_promiscuity (net/core/dev_api.c:288)
[   20.914799][  T510]  macvlan_stop (drivers/net/macvlan.c:717)
[   20.914803][  T510]  __dev_close_many (net/core/dev.c:1798)
[   20.914806][  T510]  ? net_generic (./include/linux/rcupdate.h:882 ./include/net/netns/generic.h:48) vxlan
[   20.914815][  T510]  ? netif_open (net/core/dev.c:1755)
[   20.914818][  T510]  ? netif_close_many (net/core/dev.c:1824)
[   20.914822][  T510]  netif_close_many (net/core/dev.c:1824)
[   20.914826][  T510]  ? __dev_close_many (net/core/dev.c:1804)
[   20.914829][  T510]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   20.914833][  T510]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   20.914837][  T510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.914841][  T510]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   20.914843][  T510]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   20.914846][  T510]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   20.914848][  T510]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   20.914852][  T510]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   20.914854][  T510]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.914856][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914857][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914860][  T510]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.914881][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.914883][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.914886][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.914888][  T510]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.914891][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914895][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.914897][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.914899][  T510]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.914901][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.914905][  T510]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.914907][  T510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.914910][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.914911][  T510]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.914916][  T510]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.914918][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.914921][  T510]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.914923][  T510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.914926][  T510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.914933][  T510]  ? 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))
[   20.914935][  T510]  ? 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))
[   20.914939][  T510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.914943][  T510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.914946][  T510]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.914950][  T510]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.914954][  T510]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.914958][  T510]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.914959][  T510]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   20.914965][  T510]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   20.914969][  T510]  ____sys_sendmsg (net/socket.c:2713)
[   20.914971][  T510]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.914973][  T510]  ? sock_write_iter (net/socket.c:1269)
[   20.914975][  T510]  ? move_addr_to_kernel (net/socket.c:258)
[   20.914982][  T510]  ___sys_sendmsg (net/socket.c:2767)
[   20.914985][  T510]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.915001][  T510]  __sys_sendmsg (net/socket.c:2799)
[   20.915004][  T510]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.915010][  T510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.915013][  T510]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.915016][  T510]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.915019][  T510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.915021][  T510] RIP: 0033:0x7f98881be54e
[   20.915025][  T510] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.915027][  T510] RSP: 002b:00007fffe7ee2410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.915029][  T510] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f98881be54e
[   20.915031][  T510] RDX: 0000000000000000 RSI: 00007fffe7ee24c0 RDI: 0000000000000005
[   20.915031][  T510] RBP: 00007fffe7ee2420 R08: 0000000000000000 R09: 0000000000000000
[   20.915032][  T510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9133cc
[   20.915033][  T510] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe7ee2b80
| [   23.886771][  T597] softirqs last disabled at (11568): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   23.886774][  T597] Preemption disabled at:
| [   23.886775][  T597] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.886784][  T597] Tainted: [W]=WARN
[   23.886785][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.886787][  T597] Call Trace:
[   23.886788][  T597]  <TASK>
[   23.886790][  T597]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.886796][  T597]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.886798][  T597]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.886802][  T597]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.886807][  T597]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.886811][  T597]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.886813][  T597]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.886819][  T597]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.886822][  T597]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.886826][  T597]  put_chars (drivers/char/virtio_console.c:1176)
[   23.886828][  T597]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.886831][  T597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.886836][  T597]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.886844][  T597]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.886847][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.886850][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.886854][  T597]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.886858][  T597]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.886860][  T597]  ? 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))
[   23.886863][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.886865][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.886869][  T597]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.886873][  T597]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.886875][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.886880][  T597]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.886883][  T597]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.886885][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.886887][  T597]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   23.886890][  T597]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.886892][  T597]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.886898][  T597]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.886901][  T597]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.886902][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.886904][  T597]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.886907][  T597]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.886908][  T597]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.886910][  T597]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.886912][  T597]  ? ____sys_sendmsg (net/socket.c:2713)
[   23.886914][  T597]  ? ___sys_sendmsg (net/socket.c:2767)
[   23.886917][  T597]  _printk (kernel/printk/printk.c:2504)
[   23.886921][  T597]  ? snapshot_read.cold (user.c:?)
[   23.886926][  T597]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.886930][  T597]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.886933][  T597]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.886936][  T597]  ? netdev_notice (net/core/dev.c:13194)
[   23.886940][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.886942][  T597]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   23.886945][  T597]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   23.886947][  T597]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   23.886949][  T597]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   23.886953][  T597]  dev_set_allmulti (net/core/dev_api.c:315)
[   23.886957][  T597]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   23.886964][  T597]  br_del_if (net/bridge/br_if.c:732)
[   23.886965][  T597]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.886969][  T597]  do_set_master (net/core/rtnetlink.c:3055)
[   23.886972][  T597]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   23.886975][  T597]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.886979][  T597]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.886980][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.886983][  T597]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.886987][  T597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.886989][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.886990][  T597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.886993][  T597]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.886995][  T597]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.886996][  T597]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.886998][  T597]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.887000][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.887002][  T597]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.887004][  T597]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.887008][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.887010][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.887012][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.887014][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.887016][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.887017][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.887019][  T597]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.887021][  T597]  ? __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)
[   23.887023][  T597]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.887025][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.887029][  T597]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.887030][  T597]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.887035][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.887037][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.887042][  T597]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.887048][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.887049][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.887054][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.887056][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.887058][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.887060][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.887064][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.887066][  T597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.887069][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.887070][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.887075][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.887077][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.887080][  T597]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.887082][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.887085][  T597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.887092][  T597]  ? 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))
[   23.887094][  T597]  ? 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))
[   23.887098][  T597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.887102][  T597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.887105][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.887109][  T597]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.887113][  T597]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.887117][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.887118][  T597]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.887124][  T597]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.887126][  T597]  ____sys_sendmsg (net/socket.c:2713)
[   23.887129][  T597]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.887131][  T597]  ? sock_write_iter (net/socket.c:1269)
[   23.887133][  T597]  ? move_addr_to_kernel (net/socket.c:258)
[   23.887140][  T597]  ___sys_sendmsg (net/socket.c:2767)
[   23.887143][  T597]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.887159][  T597]  __sys_sendmsg (net/socket.c:2799)
[   23.887162][  T597]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.887168][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.887171][  T597]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.887174][  T597]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.887177][  T597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.887179][  T597] RIP: 0033:0x7f8ee69b454e
[   23.887183][  T597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.887185][  T597] RSP: 002b:00007ffc6a06de70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.887188][  T597] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8ee69b454e
[   23.887189][  T597] RDX: 0000000000000000 RSI: 00007ffc6a06df20 RDI: 0000000000000005
[   23.887190][  T597] RBP: 00007ffc6a06de80 R08: 0000000000000000 R09: 0000000000000000
[   23.887191][  T597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9133cf


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