======================================
| [    9.289521][  T187] softirqs last disabled at (46694): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.289523][  T187] Preemption disabled at:
| [    9.289524][  T187] 0x0
| [    9.289535][  T187] Tainted: [W]=WARN
[    9.289536][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.289537][  T187] Call Trace:
[    9.289539][  T187]  <TASK>
[    9.289540][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.289547][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.289551][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.289555][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.289561][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.289563][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.289568][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.289571][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.289574][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.289577][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.289579][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.289584][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.289589][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.289595][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.289597][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.289600][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.289604][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.289608][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.289610][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.289614][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.289616][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.289620][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.289624][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.289626][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.289631][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.289634][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.289636][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.289638][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.289642][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.289644][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.289647][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.289651][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.289654][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.289658][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.289662][  T187]  ? snapshot_read.cold (user.c:?)
[    9.289665][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.289667][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.289671][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.289674][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.289678][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.289680][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.289682][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.289687][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.289689][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.289691][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.289694][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.289697][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.289700][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.289702][  T187] RIP: 0033:0x7f622f4e01b8
[    9.289704][  T187] Code: Unable to access opcode bytes at 0x7f622f4e018e.

Code starting with the faulting instruction
===========================================
[    9.289705][  T187] RSP: 002b:00007fff55549898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.289708][  T187] RAX: ffffffffffffffda RBX: 00007f622f610f88 RCX: 00007f622f4e01b8
[    9.289709][  T187] RDX: 00007f622f22afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.289710][  T187] RBP: 00007fff555498f0 R08: 0000000000000000 R09: 0000000000008010
[    9.289711][  T187] R10: 00007fff555496b0 R11: 0000000000000246 R12: 0000000000000001
[    9.289712][  T187] R13: 0000000000000000 R14: 00007f622f60f680 R15: 00007f622f610fa0
| [   10.673501][  T240] softirqs last disabled at (21265): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.673504][  T240] Preemption disabled at:
| [   10.673504][  T240] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.673514][  T240] Tainted: [W]=WARN
[   10.673515][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.673517][  T240] Call Trace:
[   10.673519][  T240]  <TASK>
[   10.673520][  T240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.673526][  T240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.673529][  T240]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.673533][  T240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.673537][  T240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.673543][  T240]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.673545][  T240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.673551][  T240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.673554][  T240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.673557][  T240]  put_chars (drivers/char/virtio_console.c:1176)
[   10.673560][  T240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.673561][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.673566][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.673569][  T240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.673573][  T240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.673576][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.673581][  T240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.673583][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.673588][  T240]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.673592][  T240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.673594][  T240]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.673597][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.673599][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.673603][  T240]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.673607][  T240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.673609][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.673614][  T240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.673617][  T240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.673619][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.673621][  T240]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.673625][  T240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.673627][  T240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.673630][  T240]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.673634][  T240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.673640][  T240]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.673643][  T240]  _printk (kernel/printk/printk.c:2504)
[   10.673647][  T240]  ? snapshot_read.cold (user.c:?)
[   10.673654][  T240]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.673657][  T240] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.673660][  T240]  do_one_initcall (init/main.c:1357)
[   10.673663][  T240]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.673667][  T240]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.673670][  T240]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.673675][  T240]  do_init_module (kernel/module/main.c:3117)
[   10.673678][  T240]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.673683][  T240]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.673686][  T240]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.673690][  T240]  load_module (kernel/module/main.c:3593)
[   10.673697][  T240]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.673701][  T240]  ? __ia32_sys_fsconfig (??:?)
[   10.673704][  T240]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.673708][  T240]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.673711][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.673715][  T240]  init_module_from_file (kernel/module/main.c:3790)
[   10.673718][  T240]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.673726][  T240]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.673730][  T240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.673733][  T240]  idempotent_init_module (kernel/module/main.c:3802)
[   10.673736][  T240]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.673742][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.673745][  T240]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.673751][  T240]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.673753][  T240]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.673756][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.673758][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.673761][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.673764][  T240] RIP: 0033:0x7f7d7b70137d
[   10.673767][  T240] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.673769][  T240] RSP: 002b:00007fff7cf28488 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.673772][  T240] RAX: ffffffffffffffda RBX: 000055f69964e810 RCX: 00007f7d7b70137d
[   10.673773][  T240] RDX: 0000000000000000 RSI: 000055f660f3bffd RDI: 0000000000000000
[   10.673774][  T240] RBP: 00007fff7cf28520 R08: 0000000000000000 R09: 0000000000000000
[   10.673775][  T240] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f660f3bffd
[   10.673776][  T240] R13: 000055f69964e960 R14: 0000000000040000 R15: 0000000000000000
| [   11.970853][  T285] softirqs last disabled at (24174): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.970855][  T285] Preemption disabled at:
| [   11.970856][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.970865][  T285] Tainted: [W]=WARN
[   11.970866][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.970868][  T285] Call Trace:
[   11.970870][  T285]  <TASK>
[   11.970871][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.970877][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.970879][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.970884][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.970889][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.970894][  T285]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.970897][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.970902][  T285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.970905][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.970908][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   11.970911][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.970915][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.970919][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.970922][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.970924][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970925][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970929][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.970931][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.970935][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970939][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.970943][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.970946][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.970948][  T285]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.970951][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970954][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.970958][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.970962][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.970964][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.970969][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.970972][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.970974][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.970976][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.970980][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.970981][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.970985][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.970989][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.970991][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.970993][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.970997][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.971001][  T285]  _printk (kernel/printk/printk.c:2504)
[   11.971004][  T285]  ? snapshot_read.cold (user.c:?)
[   11.971008][  T285]  ? br_multicast_flood (??:?) bridge
[   11.971021][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.971022][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.971024][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.971028][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.971038][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.971046][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   11.971056][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   11.971063][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.971068][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.971070][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   11.971074][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   11.971079][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.971082][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.971085][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.971087][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.971089][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.971093][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.971095][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.971097][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.971100][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.971103][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.971104][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.971107][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.971109][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.971112][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.971117][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.971119][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.971121][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.971124][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.971125][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.971127][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.971129][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.971133][  T285]  ? __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)
[   11.971135][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.971137][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.971140][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.971142][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.971147][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.971152][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.971158][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.971159][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.971164][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.971166][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.971168][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.971170][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.971174][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.971176][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.971179][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.971180][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.971184][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.971186][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.971190][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.971192][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.971194][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.971201][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.971202][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.971206][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.971210][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.971213][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.971217][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.971221][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.971225][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.971230][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.971232][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.971234][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.971236][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   11.971243][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   11.971246][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.971262][  T285]  __sys_sendmsg (net/socket.c:2799)
[   11.971265][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.971272][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.971275][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.971278][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.971281][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.971283][  T285] RIP: 0033:0x7fb02e26054e
[   11.971286][  T285] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.971288][  T285] RSP: 002b:00007ffcec437620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.971291][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb02e26054e
[   11.971292][  T285] RDX: 0000000000000000 RSI: 00007ffcec4376d0 RDI: 0000000000000005
[   11.971293][  T285] RBP: 00007ffcec437630 R08: 0000000000000000 R09: 0000000000000000
[   11.971294][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbac
[   11.971295][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcec437d90
| [   13.495307][  T343] softirqs last disabled at (11720): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.495310][  T343] Preemption disabled at:
| [   13.495311][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.495320][  T343] Tainted: [W]=WARN
[   13.495321][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.495323][  T343] Call Trace:
[   13.495324][  T343]  <TASK>
[   13.495326][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.495332][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.495334][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.495338][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.495342][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.495347][  T343]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.495350][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.495355][  T343]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.495358][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.495361][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   13.495363][  T343]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.495365][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.495367][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.495372][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.495374][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.495378][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.495381][  T343]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.495383][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495384][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495388][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.495390][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.495393][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495395][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.495399][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.495403][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.495405][  T343]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.495408][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495410][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.495414][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.495418][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.495420][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495425][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.495433][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.495435][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495437][  T343]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.495441][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.495442][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.495446][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.495450][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.495452][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.495455][  T343]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.495458][  T343]  _printk (kernel/printk/printk.c:2504)
[   13.495462][  T343]  ? snapshot_read.cold (user.c:?)
[   13.495466][  T343]  ? br_multicast_flood (??:?) bridge
[   13.495478][  T343]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.495480][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.495481][  T343]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.495485][  T343] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.495496][  T343] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.495505][  T343] new_nbp (net/bridge/br_if.c:449) bridge
[   13.495513][  T343] br_add_if (net/bridge/br_if.c:592) bridge
[   13.495521][  T343]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.495525][  T343]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.495528][  T343]  ? __kernel_text_address (kernel/extable.c:79)
[   13.495532][  T343]  do_set_master (net/core/rtnetlink.c:3071)
[   13.495537][  T343]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.495540][  T343]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.495543][  T343]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.495544][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.495546][  T343]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.495549][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.495552][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.495554][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.495556][  T343]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.495559][  T343]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.495561][  T343]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.495563][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495565][  T343]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.495568][  T343]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.495573][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.495575][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.495577][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495580][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.495581][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495583][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495585][  T343]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.495589][  T343]  ? __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)
[   13.495592][  T343]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.495594][  T343]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.495597][  T343]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.495599][  T343]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.495604][  T343]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.495609][  T343]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.495614][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.495616][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495620][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.495622][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.495624][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.495626][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.495629][  T343]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.495631][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.495634][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.495636][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495640][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.495642][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.495645][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.495647][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.495650][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.495656][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.495657][  T343]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.495661][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.495665][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.495667][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.495671][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.495675][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.495679][  T343]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.495684][  T343]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.495686][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.495689][  T343]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.495690][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   13.495697][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   13.495700][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.495715][  T343]  __sys_sendmsg (net/socket.c:2799)
[   13.495718][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.495724][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.495728][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.495730][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.495733][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.495735][  T343] RIP: 0033:0x7f349f2e054e
[   13.495738][  T343] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.495740][  T343] RSP: 002b:00007ffcbf609fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.495743][  T343] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f349f2e054e
[   13.495744][  T343] RDX: 0000000000000000 RSI: 00007ffcbf60a080 RDI: 0000000000000005
[   13.495745][  T343] RBP: 00007ffcbf609fe0 R08: 0000000000000000 R09: 0000000000000000
[   13.495746][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbad
[   13.495747][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbf60a740
| [   14.820579][  T396] softirqs last disabled at (20274): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.820582][  T396] Preemption disabled at:
| [   14.820582][  T396] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.820592][  T396] Tainted: [W]=WARN
[   14.820593][  T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.820595][  T396] Call Trace:
[   14.820596][  T396]  <TASK>
[   14.820598][  T396]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.820604][  T396]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.820606][  T396]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.820611][  T396]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.820615][  T396]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.820620][  T396]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.820622][  T396]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.820628][  T396]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.820631][  T396]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.820634][  T396]  put_chars (drivers/char/virtio_console.c:1176)
[   14.820636][  T396]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.820638][  T396]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.820641][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.820645][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.820648][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.820652][  T396]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.820654][  T396]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.820656][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820658][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820662][  T396]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.820664][  T396]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.820667][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820669][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.820673][  T396]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.820677][  T396]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.820679][  T396]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.820682][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820684][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.820688][  T396]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.820692][  T396]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.820694][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820699][  T396]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.820702][  T396]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.820703][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820706][  T396]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.820709][  T396]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.820711][  T396]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.820714][  T396]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.820718][  T396]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.820721][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.820723][  T396]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.820727][  T396]  _printk (kernel/printk/printk.c:2504)
[   14.820731][  T396]  ? snapshot_read.cold (user.c:?)
[   14.820734][  T396]  ? br_multicast_flood (??:?) bridge
[   14.820747][  T396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.820748][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.820749][  T396]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.820753][  T396] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.820764][  T396] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.820772][  T396] new_nbp (net/bridge/br_if.c:449) bridge
[   14.820781][  T396] br_add_if (net/bridge/br_if.c:592) bridge
[   14.820787][  T396]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.820792][  T396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.820794][  T396]  ? __kernel_text_address (kernel/extable.c:79)
[   14.820798][  T396]  do_set_master (net/core/rtnetlink.c:3071)
[   14.820803][  T396]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.820806][  T396]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.820809][  T396]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.820811][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.820812][  T396]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.820816][  T396]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.820818][  T396]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.820820][  T396]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.820823][  T396]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.820825][  T396]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.820827][  T396]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.820830][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820831][  T396]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.820834][  T396]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.820839][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.820841][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.820843][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820845][  T396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.820847][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820849][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820851][  T396]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.820855][  T396]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.820858][  T396]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.820860][  T396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.820863][  T396]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.820865][  T396]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.820870][  T396]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.820875][  T396]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.820880][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.820882][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820886][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.820888][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.820890][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.820892][  T396]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.820895][  T396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.820897][  T396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.820900][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.820901][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820906][  T396]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.820908][  T396]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.820911][  T396]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.820913][  T396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.820915][  T396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.820921][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.820923][  T396]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.820927][  T396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.820931][  T396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.820933][  T396]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.820937][  T396]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.820941][  T396]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.820944][  T396]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.820950][  T396]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.820952][  T396]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.820954][  T396]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.820956][  T396]  ? move_addr_to_kernel (net/socket.c:258)
[   14.820963][  T396]  ___sys_sendmsg (net/socket.c:2767)
[   14.820966][  T396]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.820981][  T396]  __sys_sendmsg (net/socket.c:2799)
[   14.820983][  T396]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.820989][  T396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.820993][  T396]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.820995][  T396]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.820999][  T396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.821001][  T396] RIP: 0033:0x7f763208254e
[   14.821004][  T396] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.821006][  T396] RSP: 002b:00007ffc24c0d800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.821009][  T396] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f763208254e
[   14.821010][  T396] RDX: 0000000000000000 RSI: 00007ffc24c0d8b0 RDI: 0000000000000005
[   14.821011][  T396] RBP: 00007ffc24c0d810 R08: 0000000000000000 R09: 0000000000000000
[   14.821012][  T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbaf
[   14.821013][  T396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc24c0df70
| [   15.879170][  T441] softirqs last disabled at (21114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.879172][  T441] Preemption disabled at:
| [   15.879173][  T441] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.879182][  T441] Tainted: [W]=WARN
[   15.879183][  T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.879185][  T441] Call Trace:
[   15.879186][  T441]  <TASK>
[   15.879188][  T441]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.879194][  T441]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.879196][  T441]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.879200][  T441]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.879205][  T441]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.879210][  T441]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.879212][  T441]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.879217][  T441]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.879220][  T441]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.879223][  T441]  put_chars (drivers/char/virtio_console.c:1176)
[   15.879225][  T441]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.879227][  T441]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.879230][  T441]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.879234][  T441]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.879237][  T441]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.879240][  T441]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.879243][  T441]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.879245][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879246][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879250][  T441]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.879252][  T441]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.879255][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879257][  T441]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.879261][  T441]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.879265][  T441]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.879267][  T441]  ? 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))
[   15.879270][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879272][  T441]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.879276][  T441]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.879280][  T441]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.879282][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879287][  T441]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.879290][  T441]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.879292][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879294][  T441]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.879300][  T441]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.879301][  T441]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.879305][  T441]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.879309][  T441]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.879312][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.879316][  T441]  _printk (kernel/printk/printk.c:2504)
[   15.879320][  T441]  ? snapshot_read.cold (user.c:?)
[   15.879324][  T441]  ? br_multicast_flood (??:?) bridge
[   15.879336][  T441]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.879337][  T441]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.879339][  T441]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.879343][  T441] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.879353][  T441] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.879361][  T441] new_nbp (net/bridge/br_if.c:449) bridge
[   15.879371][  T441] br_add_if (net/bridge/br_if.c:592) bridge
[   15.879377][  T441]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.879382][  T441]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.879385][  T441]  ? __kernel_text_address (kernel/extable.c:79)
[   15.879388][  T441]  do_set_master (net/core/rtnetlink.c:3071)
[   15.879393][  T441]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.879396][  T441]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.879399][  T441]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.879400][  T441]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.879402][  T441]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.879406][  T441]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.879408][  T441]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.879410][  T441]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.879412][  T441]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.879415][  T441]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.879417][  T441]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.879419][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879421][  T441]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.879424][  T441]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.879434][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.879436][  T441]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.879438][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879441][  T441]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.879442][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879444][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879446][  T441]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.879450][  T441]  ? __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)
[   15.879453][  T441]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.879455][  T441]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.879458][  T441]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.879460][  T441]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.879465][  T441]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.879470][  T441]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.879475][  T441]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.879477][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879481][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.879483][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.879485][  T441]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.879486][  T441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.879490][  T441]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.879492][  T441]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.879495][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.879496][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879500][  T441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.879502][  T441]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.879505][  T441]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.879507][  T441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.879510][  T441]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.879516][  T441]  ? 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))
[   15.879517][  T441]  ? 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))
[   15.879521][  T441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.879525][  T441]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.879528][  T441]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.879531][  T441]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.879535][  T441]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.879539][  T441]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.879544][  T441]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.879546][  T441]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.879548][  T441]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.879550][  T441]  ? move_addr_to_kernel (net/socket.c:258)
[   15.879557][  T441]  ___sys_sendmsg (net/socket.c:2767)
[   15.879560][  T441]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.879575][  T441]  __sys_sendmsg (net/socket.c:2799)
[   15.879577][  T441]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.879583][  T441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.879587][  T441]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.879589][  T441]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.879592][  T441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.879594][  T441] RIP: 0033:0x7fe841a1654e
[   15.879597][  T441] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.879599][  T441] RSP: 002b:00007fffa5f37ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.879602][  T441] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe841a1654e
[   15.879603][  T441] RDX: 0000000000000000 RSI: 00007fffa5f37b70 RDI: 0000000000000005
[   15.879604][  T441] RBP: 00007fffa5f37ad0 R08: 0000000000000000 R09: 0000000000000000
[   15.879605][  T441] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbb0
[   15.879606][  T441] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa5f38230
| [   24.122633][   T12] softirqs last disabled at (34132): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   24.122637][   T12] Preemption disabled at:
| [   24.122638][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.122648][   T12] Tainted: [W]=WARN
[   24.122649][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.122650][   T12] Workqueue: netns cleanup_net
[   24.122654][   T12] Call Trace:
[   24.122655][   T12]  <TASK>
[   24.122657][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.122663][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.122666][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.122670][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.122674][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.122680][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.122682][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.122688][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.122691][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.122694][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   24.122696][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.122700][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   24.122705][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.122707][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.122709][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.122714][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.122715][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.122718][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.122722][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.122727][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.122731][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.122732][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.122736][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.122738][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.122742][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.122747][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.122748][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.122754][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.122757][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.122759][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.122761][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.122765][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.122767][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.122770][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.122774][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.122776][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   24.122778][   T12]  ? kthread (kernel/kthread.c:436)
[   24.122780][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   24.122782][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   24.122787][   T12]  _printk (kernel/printk/printk.c:2504)
[   24.122791][   T12]  ? snapshot_read.cold (user.c:?)
[   24.122796][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.122799][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.122803][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.122805][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   24.122809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.122812][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   24.122815][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   24.122816][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.122819][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.122823][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   24.122827][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   24.122831][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   24.122845][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   24.122854][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   24.122863][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   24.122867][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.122871][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   24.122872][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.122876][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   24.122881][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   24.122884][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.122888][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.122890][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.122894][   T12]  process_one_work (kernel/workqueue.c:3387)
[   24.122901][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   24.122903][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.122911][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   24.122918][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   24.122920][   T12]  kthread (kernel/kthread.c:436)
[   24.122922][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.122925][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.122928][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.122930][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   24.122934][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.122937][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.122940][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.136290][  T568] softirqs last disabled at (16032): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   25.136298][  T568] Preemption disabled at:
| [   25.136299][  T568] 0x0
| [   25.136308][  T568] Tainted: [W]=WARN
[   25.136309][  T568] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.136311][  T568] Call Trace:
[   25.136313][  T568]  <TASK>
[   25.136314][  T568]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.136320][  T568]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.136325][  T568]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.136329][  T568]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.136334][  T568]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.136336][  T568]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.136342][  T568]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.136345][  T568]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.136347][  T568]  put_chars (drivers/char/virtio_console.c:1176)
[   25.136350][  T568]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.136353][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.136357][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.136359][  T568]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.136363][  T568]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.136365][  T568]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.136367][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136369][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136373][  T568]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.136374][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.136378][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.136382][  T568]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.136386][  T568]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.136387][  T568]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.136390][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.136393][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.136397][  T568]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.136401][  T568]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.136402][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136407][  T568]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.136410][  T568]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.136412][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.136414][  T568]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.136418][  T568]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.136419][  T568]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.136423][  T568]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.136431][  T568]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.136433][  T568]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.136435][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.136438][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.136441][  T568]  _printk (kernel/printk/printk.c:2504)
[   25.136444][  T568]  ? snapshot_read.cold (user.c:?)
[   25.136452][  T568] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   25.136462][  T568] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   25.136471][  T568] br_device_event (net/bridge/br.c:111) bridge
[   25.136478][  T568]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   25.136482][  T568]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   25.136488][  T568]  notifier_call_chain (kernel/notifier.c:85)
[   25.136494][  T568]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   25.136499][  T568]  ? netif_change_name (net/core/dev.c:1517)
[   25.136502][  T568]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   25.136505][  T568]  ? __kernel_text_address (kernel/extable.c:79)
[   25.136508][  T568]  ? write_profile (profile.c:?)
[   25.136510][  T568]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.136515][  T568]  netif_change_flags (net/core/dev.c:9882)
[   25.136519][  T568]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.136522][  T568]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.136524][  T568]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.136526][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.136527][  T568]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.136531][  T568]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.136533][  T568]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.136535][  T568]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.136538][  T568]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.136541][  T568]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.136542][  T568]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.136545][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136547][  T568]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   25.136550][  T568]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.136554][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.136556][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.136559][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.136561][  T568]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.136563][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.136564][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.136567][  T568]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.136571][  T568]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   25.136572][  T568]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.136575][  T568]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.136578][  T568]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.136583][  T568]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.136588][  T568]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.136593][  T568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.136595][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136600][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.136601][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.136603][  T568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.136605][  T568]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.136609][  T568]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.136611][  T568]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.136614][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.136615][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136620][  T568]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.136622][  T568]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.136625][  T568]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.136627][  T568]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.136630][  T568]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.136636][  T568]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.136637][  T568]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.136641][  T568]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.136645][  T568]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.136648][  T568]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.136652][  T568]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.136655][  T568]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.136659][  T568]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.136665][  T568]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.136667][  T568]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.136669][  T568]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.136671][  T568]  ? move_addr_to_kernel (net/socket.c:258)
[   25.136678][  T568]  ___sys_sendmsg (net/socket.c:2767)
[   25.136681][  T568]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.136696][  T568]  __sys_sendmsg (net/socket.c:2799)
[   25.136699][  T568]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.136705][  T568]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.136709][  T568]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.136711][  T568]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.136714][  T568]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.136716][  T568] RIP: 0033:0x7f41a9d1a54e
[   25.136718][  T568] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.136720][  T568] RSP: 002b:00007ffeee2ba3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.136723][  T568] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f41a9d1a54e
[   25.136724][  T568] RDX: 0000000000000000 RSI: 00007ffeee2ba480 RDI: 0000000000000005
[   25.136725][  T568] RBP: 00007ffeee2ba3e0 R08: 0000000000000000 R09: 0000000000000000
[   25.136726][  T568] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbb9


Finger prints:
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars