======================================
| [    9.618158][  T188] softirqs last disabled at (37659): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.618161][  T188] Preemption disabled at:
| [    9.618161][  T188] 0x0
| [    9.618171][  T188] Tainted: [W]=WARN
[    9.618172][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.618174][  T188] Call Trace:
[    9.618176][  T188]  <TASK>
[    9.618177][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.618184][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.618189][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.618193][  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)
[    9.618198][  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))
[    9.618201][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.618207][  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)
[    9.618210][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.618213][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.618216][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.618217][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.618222][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.618227][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.618234][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.618236][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.618239][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.618243][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.618247][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.618248][  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))
[    9.618252][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.618254][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.618258][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.618262][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.618264][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.618270][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.618272][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.618274][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.618277][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.618280][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.618282][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.618286][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.618289][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.618293][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.618297][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.618300][  T188]  ? snapshot_read.cold (user.c:?)
[    9.618303][  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)
[    9.618306][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.618310][  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)
[    9.618312][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.618319][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.618321][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.618324][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.618329][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.618332][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.618334][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.618337][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.618340][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.618344][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.618346][  T188] RIP: 0033:0x7f5c6b4491b8
[    9.618349][  T188] Code: Unable to access opcode bytes at 0x7f5c6b44918e.

Code starting with the faulting instruction
===========================================
[    9.618350][  T188] RSP: 002b:00007ffe95b59418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.618360][  T188] RAX: ffffffffffffffda RBX: 00007f5c6b579f88 RCX: 00007f5c6b4491b8
[    9.618361][  T188] RDX: 00007f5c6b193fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.618363][  T188] RBP: 00007ffe95b59470 R08: 0000000000000000 R09: 0000000000008010
[    9.618364][  T188] R10: 00007ffe95b59230 R11: 0000000000000246 R12: 0000000000000001
[    9.618365][  T188] R13: 0000000000000000 R14: 00007f5c6b578680 R15: 00007f5c6b579fa0
| [   11.706263][  T315] softirqs last disabled at (15757): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.706265][  T315] Preemption disabled at:
| [   11.706266][  T315] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.706275][  T315] Tainted: [W]=WARN
[   11.706276][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.706277][  T315] Call Trace:
[   11.706279][  T315]  <TASK>
[   11.706280][  T315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.706286][  T315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.706288][  T315]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.706293][  T315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.706297][  T315]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.706302][  T315]  __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))
[   11.706304][  T315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.706310][  T315]  ? 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)
[   11.706313][  T315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.706317][  T315]  put_chars (drivers/char/virtio_console.c:1176)
[   11.706320][  T315]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.706322][  T315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.706325][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.706328][  T315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.706332][  T315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.706335][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.706337][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.706341][  T315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.706343][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.706346][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.706349][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.706353][  T315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.706356][  T315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.706358][  T315]  ? 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))
[   11.706362][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.706364][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.706375][  T315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.706379][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.706381][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.706386][  T315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.706389][  T315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.706391][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.706393][  T315]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.706397][  T315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.706399][  T315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.706402][  T315]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.706406][  T315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.706411][  T315]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   11.706414][  T315]  _printk (kernel/printk/printk.c:2504)
[   11.706418][  T315]  ? snapshot_read.cold (user.c:?)
[   11.706425][  T315]  ? 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)
[   11.706428][  T315] gact_init_module (net/sched/act_gact.c:180) act_gact
[   11.706430][  T315]  do_one_initcall (init/main.c:1357)
[   11.706433][  T315]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.706437][  T315]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.706441][  T315]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.706446][  T315]  do_init_module (kernel/module/main.c:3117)
[   11.706449][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.706454][  T315]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.706457][  T315]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.706461][  T315]  load_module (kernel/module/main.c:3593)
[   11.706468][  T315]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.706472][  T315]  ? __ia32_sys_fsconfig (??:?)
[   11.706476][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.706478][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.706482][  T315]  init_module_from_file (kernel/module/main.c:3790)
[   11.706485][  T315]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.706493][  T315]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.706497][  T315]  ? 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)
[   11.706500][  T315]  idempotent_init_module (kernel/module/main.c:3802)
[   11.706503][  T315]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.706510][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.706512][  T315]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.706518][  T315]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.706521][  T315]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.706524][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.706526][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.706529][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.706531][  T315] RIP: 0033:0x7fe65334a37d
[   11.706535][  T315] 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
[   11.706536][  T315] RSP: 002b:00007ffc6f595b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.706539][  T315] RAX: ffffffffffffffda RBX: 000055c9bf00a810 RCX: 00007fe65334a37d
[   11.706541][  T315] RDX: 0000000000000000 RSI: 000055c9b033dffd RDI: 0000000000000000
[   11.706542][  T315] RBP: 00007ffc6f595c30 R08: 0000000000000000 R09: 0000000000000000
[   11.706543][  T315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9b033dffd
[   11.706543][  T315] R13: 000055c9bf00a960 R14: 0000000000040000 R15: 0000000000000000
| [   12.736863][  T398] softirqs last disabled at (15302): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.736865][  T398] Preemption disabled at:
| [   12.736866][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.736875][  T398] Tainted: [W]=WARN
[   12.736876][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.736877][  T398] Call Trace:
[   12.736879][  T398]  <TASK>
[   12.736881][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.736886][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.736889][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.736893][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.736898][  T398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.736903][  T398]  __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))
[   12.736906][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.736911][  T398]  ? 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)
[   12.736914][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.736917][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   12.736919][  T398]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.736922][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.736925][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.736929][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.736932][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.736935][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.736938][  T398]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.736940][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.736942][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.736946][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.736948][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.736951][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.736954][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.736957][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.736961][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.736963][  T398]  ? 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))
[   12.736966][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.736969][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.736973][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.736977][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.736979][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.736984][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.736987][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.736989][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.736991][  T398]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.736995][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.736997][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.737000][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.737005][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.737007][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.737012][  T398]  _printk (kernel/printk/printk.c:2504)
[   12.737016][  T398]  ? snapshot_read.cold (user.c:?)
[   12.737020][  T398]  ? br_multicast_flood (??:?) bridge
[   12.737033][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.737034][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.737036][  T398]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.737040][  T398] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.737051][  T398] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.737060][  T398] new_nbp (net/bridge/br_if.c:449) bridge
[   12.737070][  T398] br_add_if (net/bridge/br_if.c:592) bridge
[   12.737077][  T398]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.737081][  T398]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.737084][  T398]  ? __kernel_text_address (kernel/extable.c:79)
[   12.737088][  T398]  do_set_master (net/core/rtnetlink.c:3071)
[   12.737093][  T398]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.737096][  T398]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.737099][  T398]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.737101][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.737103][  T398]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.737106][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.737109][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.737111][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.737113][  T398]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.737116][  T398]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.737118][  T398]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.737121][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.737123][  T398]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.737126][  T398]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.737130][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.737132][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.737134][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.737137][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.737138][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.737140][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.737143][  T398]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.737147][  T398]  ? __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)
[   12.737150][  T398]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.737152][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.737155][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.737157][  T398]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.737162][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.737167][  T398]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.737173][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.737175][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.737180][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.737182][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.737184][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.737185][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.737189][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.737191][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.737194][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.737196][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.737200][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.737202][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.737206][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.737208][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.737211][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.737217][  T398]  ? 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))
[   12.737219][  T398]  ? 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))
[   12.737223][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.737227][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.737230][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.737234][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.737238][  T398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.737242][  T398]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.737247][  T398]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.737249][  T398]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.737252][  T398]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.737253][  T398]  ? move_addr_to_kernel (net/socket.c:258)
[   12.737261][  T398]  ___sys_sendmsg (net/socket.c:2767)
[   12.737264][  T398]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.737280][  T398]  __sys_sendmsg (net/socket.c:2799)
[   12.737283][  T398]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.737289][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.737293][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.737296][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.737299][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.737301][  T398] RIP: 0033:0x7f0aa6ccb54e
[   12.737304][  T398] 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
[   12.737306][  T398] RSP: 002b:00007ffcaed636d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.737309][  T398] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0aa6ccb54e
[   12.737310][  T398] RDX: 0000000000000000 RSI: 00007ffcaed63780 RDI: 0000000000000005
[   12.737311][  T398] RBP: 00007ffcaed636e0 R08: 0000000000000000 R09: 0000000000000000
[   12.737312][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129c6
[   12.737317][  T398] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaed63e40
| [   28.554415][    C0] softirqs last disabled at (1371005): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.554416][    C0] Preemption disabled at:
| [   28.554417][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.554427][    C0] Tainted: [W]=WARN
[   28.554428][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.554429][    C0] Call Trace:
[   28.554431][    C0]  <IRQ>
[   28.554433][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.554438][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.554440][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.554445][    C0]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   28.554448][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.554451][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.554454][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554458][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.554461][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.554463][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.554466][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.554468][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.554476][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.554478][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.554480][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.554483][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.554486][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.554488][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554490][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.554492][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.554494][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.554496][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554498][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554499][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.554501][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.554503][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.554505][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.554508][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.554510][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.554511][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.554513][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554514][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.554516][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.554518][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.554519][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.554521][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.554524][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.554525][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554527][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.554529][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.554534][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.554537][    C0]  ? snapshot_read.cold (user.c:?)
[   28.554538][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.554542][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.554544][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.554546][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.554548][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.554551][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.554553][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.554555][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.554557][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.554559][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.554571][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554573][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.554575][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.554581][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.554583][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.554589][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.554596][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.554602][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.554606][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.554607][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.554611][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.554613][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.554614][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554617][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.554618][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.554625][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.554627][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.554630][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.554632][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.554634][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.554636][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.554638][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554639][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.554641][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.554643][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.554645][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.554646][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.554648][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.554651][    C0]  </IRQ>
[   28.554651][    C0]  <TASK>
[   28.554652][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.554654][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.554656][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.554658][    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
[   28.554660][    C0] RSP: 0018:ffffffffa4e07cf8 EFLAGS: 00000296
[   28.554663][    C0] RAX: 000000000014eb7b RBX: ffffffffa4e1c600 RCX: ffffffffa1ef0307
[   28.554665][    C0] RDX: ffffffffa4e1c600 RSI: ffffffffa4c38b01 RDI: ffffffffa468d8e0
[   28.554665][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.554666][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff49c0fa2
[   28.554667][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.554669][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.554672][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.554673][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.554675][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.554677][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.554678][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.554680][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.554682][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.554684][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.554686][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.554687][    C0]  rest_init (init/main.c:727)
[   28.554689][    C0]  ? __cpuidle_text_end (??:?)
[   28.554692][    C0]  ? rest_init (init/main.c:727)
[   28.554693][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.554697][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.554699][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.554702][    C0]  start_kernel (init/main.c:1185)
[   28.554704][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.554706][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.554708][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.624953][    C0]
| [   28.625028][    C0]
| [   28.625028][    C0] stack backtrace:
| [   28.625277][    C0] Tainted: [W]=WARN
[   28.625278][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.625279][    C0] Call Trace:
[   28.625280][    C0]  <IRQ>
[   28.625281][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.625285][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.625288][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.625291][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.625293][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.625295][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.625297][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.625299][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.625307][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.625310][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.625312][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.625321][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.625324][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.625331][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.625337][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.625344][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.625346][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.625348][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.625351][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.625353][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.625355][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.625357][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.625359][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.625366][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.625368][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.625371][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.625373][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.625375][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.625377][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.625379][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.625381][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.625383][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.625384][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.625386][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.625388][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.625389][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.625391][    C0]  </IRQ>
[   28.625392][    C0]  <TASK>
[   28.625392][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.625394][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.625395][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.625398][    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
[   28.625399][    C0] RSP: 0018:ffffffffa4e07cf8 EFLAGS: 00000296
[   28.625401][    C0] RAX: 000000000014eb7b RBX: ffffffffa4e1c600 RCX: ffffffffa1ef0307
[   28.625402][    C0] RDX: ffffffffa4e1c600 RSI: ffffffffa4c38b01 RDI: ffffffffa468d8e0
[   28.625403][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.625404][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff49c0fa2
[   28.625405][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.625407][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.625409][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.625411][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.625412][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.625414][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.625416][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.625417][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.625419][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.625421][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.625423][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.625424][    C0]  rest_init (init/main.c:727)
[   28.625426][    C0]  ? __cpuidle_text_end (??:?)
[   28.625429][    C0]  ? rest_init (init/main.c:727)
[   28.625431][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.625434][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.625436][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.625438][    C0]  start_kernel (init/main.c:1185)
[   28.625440][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.625442][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.625444][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   86.503879][  T785] softirqs last disabled at (0): 0x0
| [   86.503881][  T785] Preemption disabled at:
| [   86.503881][  T785] 0x0
| [   86.503890][  T785] Tainted: [W]=WARN
[   86.503891][  T785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.503892][  T785] Call Trace:
[   86.503894][  T785]  <TASK>
[   86.503896][  T785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.503901][  T785]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.503905][  T785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.503909][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503913][  T785]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.503917][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.503919][  T785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.503923][  T785]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.503925][  T785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.503927][  T785]  put_chars (drivers/char/virtio_console.c:1176)
[   86.503928][  T785]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   86.503930][  T785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.503932][  T785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.503935][  T785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.503938][  T785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.503940][  T785]  ? 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)
[   86.503941][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.503943][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503944][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503946][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.503948][  T785]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.503952][  T785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.503955][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503957][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503959][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503961][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.503964][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.503966][  T785]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.503969][  T785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.503971][  T785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.503973][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.503975][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.503976][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.503978][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.503979][  T785]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   86.503981][  T785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   86.503983][  T785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.503985][  T785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.503987][  T785]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.503991][  T785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.503992][  T785]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   86.503996][  T785]  ? debug_object_activate (lib/debugobjects.c:884)
[   86.503998][  T785]  _printk (kernel/printk/printk.c:2504)
[   86.504001][  T785]  ? snapshot_read.cold (user.c:?)
[   86.504004][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.504005][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504007][  T785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.504010][  T785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   86.504023][  T785] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   86.504031][  T785] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   86.504038][  T785] br_dev_stop (net/bridge/br_device.c:193) bridge
[   86.504046][  T785]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.504050][  T785]  __dev_close_many (net/core/dev.c:1798)
[   86.504054][  T785]  ? netif_open (net/core/dev.c:1755)
[   86.504055][  T785]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   86.504057][  T785]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   86.504060][  T785]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   86.504062][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   86.504064][  T785]  ? write_profile (profile.c:?)
[   86.504066][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.504069][  T785]  netif_change_flags (net/core/dev.c:9877)
[   86.504071][  T785]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   86.504073][  T785]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.504075][  T785]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.504076][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504078][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.504081][  T785]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.504084][  T785]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.504086][  T785]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.504087][  T785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.504089][  T785]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   86.504090][  T785]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   86.504091][  T785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.504093][  T785]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.504095][  T785]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.504096][  T785]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.504098][  T785]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.504100][  T785]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.504102][  T785]  ? __sys_sendmsg (net/socket.c:2799)
[   86.504103][  T785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.504106][  T785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.504109][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504110][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.504112][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504113][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504115][  T785]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.504118][  T785]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   86.504121][  T785]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.504122][  T785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.504123][  T785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.504126][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.504128][  T785]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.504130][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504131][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.504133][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.504134][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504136][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.504139][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.504141][  T785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.504142][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   86.504143][  T785]  ? write_profile (profile.c:?)
[   86.504145][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.504146][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504148][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504149][  T785]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   86.504153][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.504154][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504156][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.504157][  T785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.504159][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.504160][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.504162][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.504164][  T785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.504166][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.504167][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.504168][  T785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.504170][  T785]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   86.504172][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504174][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.504176][  T785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.504178][  T785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.504179][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504181][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504183][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.504185][  T785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.504187][  T785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.504188][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504190][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.504192][  T785]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.504194][  T785]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.504195][  T785]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   86.504197][  T785]  ? move_addr_to_kernel (net/socket.c:258)
[   86.504198][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.504201][  T785]  ___sys_sendmsg (net/socket.c:2767)
[   86.504203][  T785]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.504207][  T785]  __sys_sendmsg (net/socket.c:2799)
[   86.504209][  T785]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.504212][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.504214][  T785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.504215][  T785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.504218][  T785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.504219][  T785] RIP: 0033:0x7fcb9756054e
[   86.504221][  T785] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   86.504223][  T785] RSP: 002b:00007fff704b5c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.504227][  T785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcb9756054e
[   86.504228][  T785] RDX: 0000000000000000 RSI: 00007fff704b5cf0 RDI: 0000000000000005
[   86.504229][  T785] RBP: 00007fff704b5c50 R08: 0000000000000000 R09: 0000000000000000
[   86.504230][  T785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a0f


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars