======================================
| [    9.501894][  T188] softirqs last disabled at (37411): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.501896][  T188] Preemption disabled at:
| [    9.501897][  T188] 0x0
| [    9.501908][  T188] Tainted: [W]=WARN
[    9.501909][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.501910][  T188] Call Trace:
[    9.501912][  T188]  <TASK>
[    9.501913][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.501920][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.501924][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.501929][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.501934][  T188]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.501936][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.501942][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.501945][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.501948][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.501951][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.501952][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.501957][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.501963][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.501969][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.501971][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.501974][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.501978][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.501982][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.501984][  T188]  ? 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))
[    9.501987][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.501990][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.501994][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.501998][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.502000][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.502006][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.502009][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.502011][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.502013][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.502017][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.502019][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.502022][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.502026][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.502030][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.502034][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.502037][  T188]  ? snapshot_read.cold (user.c:?)
[    9.502040][  T188]  ? 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)
[    9.502043][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.502047][  T188]  ? 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)
[    9.502050][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.502053][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.502056][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.502058][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.502063][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.502066][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.502068][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.502070][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.502073][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.502076][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.502078][  T188] RIP: 0033:0x7f7c308ec1b8
[    9.502081][  T188] Code: Unable to access opcode bytes at 0x7f7c308ec18e.

Code starting with the faulting instruction
===========================================
[    9.502082][  T188] RSP: 002b:00007ffef04597a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.502084][  T188] RAX: ffffffffffffffda RBX: 00007f7c30a1cf88 RCX: 00007f7c308ec1b8
[    9.502085][  T188] RDX: 00007f7c30636fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.502086][  T188] RBP: 00007ffef0459800 R08: 0000000000000000 R09: 0000000000008010
[    9.502087][  T188] R10: 00007ffef04595c0 R11: 0000000000000246 R12: 0000000000000001
[    9.502088][  T188] R13: 0000000000000000 R14: 00007f7c30a1b680 R15: 00007f7c30a1cfa0
| [   10.698438][  T238] softirqs last disabled at (23149): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.698441][  T238] Preemption disabled at:
| [   10.698441][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.698450][  T238] Tainted: [W]=WARN
[   10.698451][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.698453][  T238] Call Trace:
[   10.698454][  T238]  <TASK>
[   10.698456][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.698461][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.698464][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.698468][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.698472][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.698478][  T238]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.698480][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.698486][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.698488][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.698492][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   10.698495][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.698496][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.698500][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.698503][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.698507][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.698509][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.698514][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.698516][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.698521][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.698525][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.698526][  T238]  ? 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))
[   10.698529][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.698532][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.698535][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.698539][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.698541][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.698546][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.698549][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.698550][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.698553][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.698556][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.698558][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.698561][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.698565][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.698570][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.698574][  T238]  _printk (kernel/printk/printk.c:2504)
[   10.698578][  T238]  ? snapshot_read.cold (user.c:?)
[   10.698584][  T238]  ? 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)
[   10.698586][  T238] 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
[   10.698589][  T238]  do_one_initcall (init/main.c:1357)
[   10.698592][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.698596][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.698599][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.698612][  T238]  do_init_module (kernel/module/main.c:3117)
[   10.698616][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.698620][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.698623][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.698627][  T238]  load_module (kernel/module/main.c:3593)
[   10.698634][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.698637][  T238]  ? __ia32_sys_fsconfig (??:?)
[   10.698641][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.698643][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.698647][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   10.698650][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.698658][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.698661][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.698664][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   10.698667][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.698673][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.698676][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.698682][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.698684][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.698687][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.698689][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.698692][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.698694][  T238] RIP: 0033:0x7f985e41837d
[   10.698697][  T238] 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
[   10.698699][  T238] RSP: 002b:00007fff23bda048 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.698702][  T238] RAX: ffffffffffffffda RBX: 00005587b5a0f810 RCX: 00007f985e41837d
[   10.698703][  T238] RDX: 0000000000000000 RSI: 0000558795e07ffd RDI: 0000000000000000
[   10.698704][  T238] RBP: 00007fff23bda0e0 R08: 0000000000000000 R09: 0000000000000000
[   10.698705][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558795e07ffd
[   10.698706][  T238] R13: 00005587b5a0f960 R14: 0000000000040000 R15: 0000000000000000
| [   12.150828][  T290] softirqs last disabled at (11848): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.150830][  T290] Preemption disabled at:
| [   12.150831][  T290] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.150840][  T290] Tainted: [W]=WARN
[   12.150841][  T290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.150843][  T290] Call Trace:
[   12.150844][  T290]  <TASK>
[   12.150846][  T290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.150852][  T290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.150854][  T290]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.150859][  T290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.150863][  T290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.150869][  T290]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.150871][  T290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.150877][  T290]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.150879][  T290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.150883][  T290]  put_chars (drivers/char/virtio_console.c:1176)
[   12.150886][  T290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.150890][  T290]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.150894][  T290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.150896][  T290]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.150898][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.150900][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.150904][  T290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.150906][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.150909][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.150913][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.150917][  T290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.150921][  T290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.150923][  T290]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.150926][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.150928][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.150932][  T290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.150936][  T290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.150938][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.150944][  T290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.150946][  T290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.150948][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.150951][  T290]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.150955][  T290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.150956][  T290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.150960][  T290]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.150964][  T290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.150966][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.150968][  T290]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.150973][  T290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.150976][  T290]  _printk (kernel/printk/printk.c:2504)
[   12.150980][  T290]  ? snapshot_read.cold (user.c:?)
[   12.150984][  T290]  ? br_multicast_flood (??:?) bridge
[   12.150997][  T290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.150998][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.150999][  T290]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.151004][  T290] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.151014][  T290] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.151023][  T290] new_nbp (net/bridge/br_if.c:449) bridge
[   12.151033][  T290] br_add_if (net/bridge/br_if.c:592) bridge
[   12.151040][  T290]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.151044][  T290]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.151047][  T290]  ? __kernel_text_address (kernel/extable.c:79)
[   12.151051][  T290]  do_set_master (net/core/rtnetlink.c:3071)
[   12.151055][  T290]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.151058][  T290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.151061][  T290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.151063][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.151065][  T290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.151069][  T290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.151072][  T290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.151073][  T290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.151076][  T290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.151079][  T290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.151081][  T290]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.151084][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.151085][  T290]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.151088][  T290]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.151093][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.151095][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.151097][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.151100][  T290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.151101][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.151103][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.151106][  T290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.151109][  T290]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.151111][  T290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.151113][  T290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.151117][  T290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.151118][  T290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.151123][  T290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.151128][  T290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.151134][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.151136][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.151140][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.151142][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.151144][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.151146][  T290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.151150][  T290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.151152][  T290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.151155][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.151156][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.151160][  T290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.151162][  T290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.151166][  T290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.151168][  T290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.151171][  T290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.151177][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.151178][  T290]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.151182][  T290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.151186][  T290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.151189][  T290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.151193][  T290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.151197][  T290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.151201][  T290]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.151206][  T290]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.151208][  T290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.151211][  T290]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.151212][  T290]  ? move_addr_to_kernel (net/socket.c:258)
[   12.151220][  T290]  ___sys_sendmsg (net/socket.c:2767)
[   12.151222][  T290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.151238][  T290]  __sys_sendmsg (net/socket.c:2799)
[   12.151241][  T290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.151247][  T290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.151251][  T290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.151253][  T290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.151257][  T290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.151259][  T290] RIP: 0033:0x7f720fcd954e
[   12.151262][  T290] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.151264][  T290] RSP: 002b:00007ffdfac3bfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.151267][  T290] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f720fcd954e
[   12.151269][  T290] RDX: 0000000000000000 RSI: 00007ffdfac3c090 RDI: 0000000000000005
[   12.151270][  T290] RBP: 00007ffdfac3bff0 R08: 0000000000000000 R09: 0000000000000000
[   12.151271][  T290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a04
[   12.151272][  T290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfac3c750
| [   13.900714][  T351] softirqs last disabled at (20102): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.900717][  T351] Preemption disabled at:
| [   13.900717][  T351] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.900727][  T351] Tainted: [W]=WARN
[   13.900727][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.900729][  T351] Call Trace:
[   13.900731][  T351]  <TASK>
[   13.900732][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.900738][  T351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.900740][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.900745][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.900749][  T351]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.900754][  T351]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.900756][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.900762][  T351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.900764][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.900767][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   13.900769][  T351]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.900771][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.900774][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.900779][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.900781][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.900785][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.900788][  T351]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.900790][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.900791][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.900795][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.900797][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.900800][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.900803][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.900807][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.900810][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.900812][  T351]  ? 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))
[   13.900815][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.900818][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.900821][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.900826][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.900827][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.900832][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.900835][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.900837][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.900839][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.900843][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.900845][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.900848][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.900852][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.900855][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.900857][  T351]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.900861][  T351]  _printk (kernel/printk/printk.c:2504)
[   13.900865][  T351]  ? snapshot_read.cold (user.c:?)
[   13.900868][  T351]  ? br_multicast_flood (??:?) bridge
[   13.900881][  T351]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.900883][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.900884][  T351]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.900888][  T351] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.900898][  T351] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.900906][  T351] new_nbp (net/bridge/br_if.c:449) bridge
[   13.900915][  T351] br_add_if (net/bridge/br_if.c:592) bridge
[   13.900922][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.900926][  T351]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.900929][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   13.900933][  T351]  do_set_master (net/core/rtnetlink.c:3071)
[   13.900937][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.900940][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.900944][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.900945][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.900947][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.900950][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.900953][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.900955][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.900957][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.900960][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.900962][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.900964][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.900966][  T351]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.900969][  T351]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.900974][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.900975][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.900978][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.900980][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.900982][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.900984][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.900986][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.900990][  T351]  ? __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)
[   13.900993][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.900995][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.900998][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.901000][  T351]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.901005][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.901010][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.901015][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.901017][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.901021][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.901023][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.901025][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.901027][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.901031][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.901033][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.901036][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.901037][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.901041][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.901043][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.901047][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.901048][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.901051][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.901057][  T351]  ? 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))
[   13.901059][  T351]  ? 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))
[   13.901063][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.901066][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.901069][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.901073][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.901077][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.901080][  T351]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.901085][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.901088][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.901090][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.901092][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   13.901099][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   13.901102][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.901117][  T351]  __sys_sendmsg (net/socket.c:2799)
[   13.901120][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.901126][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.901129][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.901132][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.901135][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.901137][  T351] RIP: 0033:0x7f91943fd54e
[   13.901140][  T351] 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
[   13.901143][  T351] RSP: 002b:00007ffdfd3c7b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.901146][  T351] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f91943fd54e
[   13.901147][  T351] RDX: 0000000000000000 RSI: 00007ffdfd3c7be0 RDI: 0000000000000005
[   13.901148][  T351] RBP: 00007ffdfd3c7b40 R08: 0000000000000000 R09: 0000000000000000
[   13.901149][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a06
[   13.901149][  T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfd3c82a0
| [   14.419023][    C0]
| [   14.419023][    C0]
| [   14.419023][    C0] stack backtrace:
| [   14.419031][    C0] Tainted: [W]=WARN
[   14.419032][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.419034][    C0] Call Trace:
[   14.419036][    C0]  <IRQ>
[   14.419037][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.419042][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   14.419045][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   14.419047][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   14.419052][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   14.419054][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   14.419057][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   14.419060][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.419062][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   14.419065][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.419069][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.419072][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   14.419074][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   14.419076][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   14.419079][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.419082][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.419084][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.419087][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.419090][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.419093][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.419095][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.419099][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.419101][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.419104][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.419106][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.419109][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.419111][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.419114][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.419117][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.419121][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   14.419123][    C0]  _printk (kernel/printk/printk.c:2504)
[   14.419126][    C0]  ? snapshot_read.cold (user.c:?)
[   14.419128][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   14.419131][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.419134][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   14.419136][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   14.419139][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   14.419141][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   14.419144][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   14.419146][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   14.419150][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.419153][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.419155][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.419158][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   14.419161][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   14.419164][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   14.419166][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.419171][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   14.419174][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   14.419177][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   14.419179][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.419182][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.419185][    C0]  handle_softirqs (kernel/softirq.c:645)
[   14.419187][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.419190][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   14.419193][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   14.419195][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   14.419197][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   14.419199][    C0]  </IRQ>
[   14.419200][    C0]  <TASK>
[   14.419201][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   14.419203][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   14.419206][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   14.419209][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   14.419212][    C0] RSP: 0018:ffffffffa4007cf8 EFLAGS: 00000296
[   14.419215][    C0] RAX: 00000000000b78cb RBX: ffffffffa401c600 RCX: ffffffffa10f0307
[   14.419216][    C0] RDX: ffffffffa401c600 RSI: ffffffffa3e38b01 RDI: ffffffffa388d8e0
[   14.419218][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   14.419219][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4800fa2
[   14.419220][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   14.419223][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   14.419226][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.419228][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   14.419230][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   14.419233][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   14.419235][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   14.419237][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   14.419240][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.419243][    C0]  do_idle (kernel/sched/idle.c:355)
[   14.419245][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   14.419247][    C0]  rest_init (init/main.c:727)
[   14.419250][    C0]  ? __cpuidle_text_end (??:?)
[   14.419254][    C0]  ? rest_init (init/main.c:727)
[   14.419256][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   14.419261][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   14.419264][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   14.419267][    C0]  start_kernel (init/main.c:1185)
[   14.419270][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   14.419272][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   14.419275][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   15.202280][  T407] softirqs last disabled at (0): 0x0
| [   15.202282][  T407] Preemption disabled at:
| [   15.202283][  T407] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.202296][  T407] Tainted: [W]=WARN
[   15.202298][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.202300][  T407] Call Trace:
[   15.202302][  T407]  <TASK>
[   15.202303][  T407]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.202310][  T407]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.202312][  T407]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.202316][  T407]  ? __module_address (kernel/module/main.c:3915)
[   15.202320][  T407]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.202324][  T407]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   15.202326][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202331][  T407]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.202335][  T407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.202338][  T407]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.202343][  T407]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.202345][  T407]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.202348][  T407]  put_chars (drivers/char/virtio_console.c:1176)
[   15.202351][  T407]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.202353][  T407]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.202356][  T407]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   15.202360][  T407]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.202364][  T407]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.202366][  T407]  ? 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)
[   15.202368][  T407]  ? vsnprintf (lib/vsprintf.c:2900)
[   15.202372][  T407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.202375][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202377][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202380][  T407]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.202384][  T407]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.202387][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202389][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202392][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202394][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202397][  T407]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   15.202400][  T407]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.202406][  T407]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.202410][  T407]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.202413][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202415][  T407]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.202417][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202420][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.202422][  T407]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.202424][  T407]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   15.202427][  T407]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.202430][  T407]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.202433][  T407]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.202437][  T407]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.202439][  T407]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.202441][  T407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   15.202444][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202446][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202449][  T407]  _printk (kernel/printk/printk.c:2504)
[   15.202454][  T407]  ? snapshot_read.cold (user.c:?)
[   15.202457][  T407]  ? br_multicast_flood (??:?) bridge
[   15.202473][  T407]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.202476][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.202478][  T407]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.202482][  T407] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.202495][  T407] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.202507][  T407] new_nbp (net/bridge/br_if.c:449) bridge
[   15.202520][  T407] br_add_if (net/bridge/br_if.c:592) bridge
[   15.202531][  T407]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   15.202535][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.202538][  T407]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.202541][  T407]  ? __kernel_text_address (kernel/extable.c:79)
[   15.202544][  T407]  do_set_master (net/core/rtnetlink.c:3071)
[   15.202548][  T407]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.202551][  T407]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.202553][  T407]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.202555][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202557][  T407]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   15.202562][  T407]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.202566][  T407]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.202568][  T407]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.202570][  T407]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.202572][  T407]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   15.202575][  T407]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   15.202576][  T407]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.202578][  T407]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.202582][  T407]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.202584][  T407]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.202585][  T407]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.202589][  T407]  ? ___sys_sendmsg (net/socket.c:2767)
[   15.202591][  T407]  ? __sys_sendmsg (net/socket.c:2799)
[   15.202593][  T407]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.202596][  T407]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.202600][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202602][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202604][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202607][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202609][  T407]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.202613][  T407]  ? __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)
[   15.202621][  T407]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.202623][  T407]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.202626][  T407]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.202628][  T407]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.202632][  T407]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.202635][  T407]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.202638][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202641][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.202643][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202645][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202648][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   15.202650][  T407]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.202653][  T407]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.202655][  T407]  ? __kernel_text_address (kernel/extable.c:79)
[   15.202657][  T407]  ? write_profile (profile.c:?)
[   15.202659][  T407]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.202662][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202664][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202667][  T407]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   15.202671][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202673][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202675][  T407]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.202678][  T407]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.202680][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.202682][  T407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   15.202684][  T407]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   15.202688][  T407]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.202690][  T407]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.202692][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.202695][  T407]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.202697][  T407]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   15.202700][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202703][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.202706][  T407]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.202709][  T407]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.202711][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202714][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202716][  T407]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.202719][  T407]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.202722][  T407]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.202724][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202727][  T407]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   15.202730][  T407]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.202732][  T407]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.202734][  T407]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.202736][  T407]  ? move_addr_to_kernel (net/socket.c:258)
[   15.202739][  T407]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   15.202743][  T407]  ___sys_sendmsg (net/socket.c:2767)
[   15.202745][  T407]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.202753][  T407]  __sys_sendmsg (net/socket.c:2799)
[   15.202756][  T407]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.202760][  T407]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.202763][  T407]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.202765][  T407]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.202769][  T407]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.202771][  T407] RIP: 0033:0x7fe12eb3354e
[   15.202774][  T407] 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
[   15.202777][  T407] RSP: 002b:00007ffd63f73010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.202781][  T407] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe12eb3354e
[   15.202783][  T407] RDX: 0000000000000000 RSI: 00007ffd63f730c0 RDI: 0000000000000005
[   15.202784][  T407] RBP: 00007ffd63f73020 R08: 0000000000000000 R09: 0000000000000000
[   15.202786][  T407] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a07
[   15.202787][  T407] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd63f73780
| [   23.530023][  T518] softirqs last disabled at (0): 0x0
| [   23.530025][  T518] Preemption disabled at:
| [   23.530026][  T518] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.530037][  T518] Tainted: [W]=WARN
[   23.530038][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.530040][  T518] Call Trace:
[   23.530041][  T518]  <TASK>
[   23.530042][  T518]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.530047][  T518]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.530049][  T518]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.530053][  T518]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.530056][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530060][  T518]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.530063][  T518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.530066][  T518]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.530070][  T518]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.530071][  T518]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.530073][  T518]  put_chars (drivers/char/virtio_console.c:1176)
[   23.530075][  T518]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.530077][  T518]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.530079][  T518]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   23.530081][  T518]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.530084][  T518]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.530085][  T518]  ? 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)
[   23.530087][  T518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.530088][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530090][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530092][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.530094][  T518]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.530096][  T518]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.530098][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530100][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530102][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530103][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.530105][  T518]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   23.530107][  T518]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.530109][  T518]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.530112][  T518]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.530113][  T518]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.530115][  T518]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.530117][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530118][  T518]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.530120][  T518]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.530121][  T518]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   23.530123][  T518]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.530125][  T518]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.530127][  T518]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.530130][  T518]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.530133][  T518]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   23.530135][  T518]  _printk (kernel/printk/printk.c:2504)
[   23.530139][  T518]  ? snapshot_read.cold (user.c:?)
[   23.530141][  T518]  ? 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)
[   23.530144][  T518] gact_init_module (net/sched/act_gact.c:180) act_gact
[   23.530146][  T518]  do_one_initcall (init/main.c:1357)
[   23.530148][  T518]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   23.530150][  T518]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   23.530153][  T518]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   23.530156][  T518]  do_init_module (kernel/module/main.c:3117)
[   23.530158][  T518]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   23.530160][  T518]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   23.530162][  T518]  load_module (kernel/module/main.c:3593)
[   23.530166][  T518]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   23.530168][  T518]  ? __ia32_sys_fsconfig (??:?)
[   23.530170][  T518]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   23.530174][  T518]  ? backing_file_read_iter (fs/backing-file.c:211)
[   23.530177][  T518]  init_module_from_file (kernel/module/main.c:3790)
[   23.530179][  T518]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   23.530181][  T518]  ? ovl_mmap (fs/overlayfs/file.c:477)
[   23.530184][  T518]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.530186][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530187][  T518]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   23.530189][  T518]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.530191][  T518]  idempotent_init_module (kernel/module/main.c:3802)
[   23.530193][  T518]  ? init_module_from_file (kernel/module/main.c:3791)
[   23.530196][  T518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.530198][  T518]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   23.530201][  T518]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   23.530203][  T518]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.530206][  T518]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.530209][  T518]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.530211][  T518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.530213][  T518] RIP: 0033:0x7f95d751337d
[   23.530216][  T518] 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
[   23.530218][  T518] RSP: 002b:00007ffd54c9f348 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   23.530222][  T518] RAX: ffffffffffffffda RBX: 000055feb5849810 RCX: 00007f95d751337d
[   23.530223][  T518] RDX: 0000000000000000 RSI: 000055fea2bd8ffd RDI: 0000000000000000
[   23.530224][  T518] RBP: 00007ffd54c9f3e0 R08: 0000000000000000 R09: 0000000000000000
[   23.530225][  T518] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fea2bd8ffd
[   23.530226][  T518] R13: 000055feb5849960 R14: 0000000000040000 R15: 0000000000000000
| [  109.935770][   T70] softirqs last disabled at (22937): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [  109.935772][   T70] Preemption disabled at:
| [  109.935773][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [  109.935784][   T70] Tainted: [W]=WARN
[  109.935785][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.935787][   T70] Workqueue: netns cleanup_net
[  109.935793][   T70] Call Trace:
[  109.935795][   T70]  <TASK>
[  109.935797][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.935802][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  109.935804][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.935808][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.935811][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935816][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  109.935820][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.935822][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.935826][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  109.935828][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.935831][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  109.935832][   T70]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  109.935834][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.935836][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  109.935839][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.935842][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.935844][   T70]  ? 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)
[  109.935846][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.935847][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935849][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935852][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.935854][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.935857][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.935860][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935862][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935864][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935866][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.935868][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  109.935870][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.935872][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.935875][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.935877][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.935879][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.935881][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935883][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.935884][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  109.935886][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  109.935888][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.935890][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.935892][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.935895][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.935897][   T70]  ? process_one_work (kernel/workqueue.c:3387)
[  109.935900][   T70]  ? kthread (kernel/kthread.c:436)
[  109.935902][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  109.935911][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  109.935914][   T70]  _printk (kernel/printk/printk.c:2504)
[  109.935917][   T70]  ? snapshot_read.cold (user.c:?)
[  109.935920][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  109.935923][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  109.935925][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  109.935927][   T70]  ? netdev_notice (net/core/dev.c:13194)
[  109.935929][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935931][   T70]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  109.935933][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  109.935936][   T70]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  109.935937][   T70]  ? 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)
[  109.935940][   T70]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  109.935943][   T70]  dev_set_allmulti (net/core/dev_api.c:315)
[  109.935946][   T70] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  109.935960][   T70] br_dev_delete (net/bridge/br_if.c:387) bridge
[  109.935968][   T70] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  109.935976][   T70]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  109.935978][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  109.935980][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  109.935983][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  109.935985][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  109.935987][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.935989][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.935991][   T70]  process_one_work (kernel/workqueue.c:3387)
[  109.935994][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  109.935996][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.935999][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  109.936001][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.936003][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  109.936004][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.936006][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  109.936008][   T70]  kthread (kernel/kthread.c:436)
[  109.936010][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  109.936011][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  109.936013][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  109.936015][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  109.936017][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  109.936019][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit: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