======================================
| [   12.188635][  T245] softirqs last disabled at (31681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.188638][  T245] Preemption disabled at:
| [   12.188639][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.188651][  T245] Tainted: [W]=WARN
[   12.188652][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.188654][  T245] Call Trace:
[   12.188657][  T245]  <TASK>
[   12.188659][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.188667][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.188670][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.188676][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.188682][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.188690][  T245]  __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))
[   12.188694][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.188703][  T245]  ? 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)
[   12.188707][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.188712][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   12.188717][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.188719][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.188726][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.188730][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.188738][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.188742][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188751][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.188756][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188766][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.188772][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.188775][  T245]  ? 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))
[   12.188780][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188784][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.188791][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.188799][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.188801][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.188811][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.188816][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.188819][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.188822][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.188828][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.188831][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.188837][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.188844][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.188854][  T245]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.188860][  T245]  _printk (kernel/printk/printk.c:2504)
[   12.188865][  T245]  ? snapshot_read.cold (user.c:?)
[   12.188877][  T245]  ? 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)
[   12.188882][  T245] 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
[   12.188888][  T245]  do_one_initcall (init/main.c:1357)
[   12.188892][  T245]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.188901][  T245]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.188905][  T245]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.188914][  T245]  do_init_module (kernel/module/main.c:3117)
[   12.188920][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.188926][  T245]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.188931][  T245]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.188939][  T245]  load_module (kernel/module/main.c:3593)
[   12.188953][  T245]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.188960][  T245]  ? __ia32_sys_fsconfig (??:?)
[   12.188965][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.188970][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.188977][  T245]  init_module_from_file (kernel/module/main.c:3790)
[   12.188982][  T245]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.188998][  T245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.189004][  T245]  ? 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)
[   12.189010][  T245]  idempotent_init_module (kernel/module/main.c:3802)
[   12.189016][  T245]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.189028][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.189032][  T245]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.189041][  T245]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.189045][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.189050][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.189053][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.189058][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.189062][  T245] RIP: 0033:0x7feb44ca937d
[   12.189066][  T245] 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
[   12.189069][  T245] RSP: 002b:00007fff6767f098 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.189072][  T245] RAX: ffffffffffffffda RBX: 000055dc7abe6810 RCX: 00007feb44ca937d
[   12.189074][  T245] RDX: 0000000000000000 RSI: 000055dc4c81affd RDI: 0000000000000000
[   12.189076][  T245] RBP: 00007fff6767f130 R08: 0000000000000000 R09: 0000000000000000
[   12.189077][  T245] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dc4c81affd
[   12.189079][  T245] R13: 000055dc7abe6960 R14: 0000000000040000 R15: 0000000000000000
| [   13.602391][  T316] softirqs last disabled at (16005): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.602394][  T316] Preemption disabled at:
| [   13.602395][  T316] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.602406][  T316] Tainted: [W]=WARN
[   13.602407][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.602409][  T316] Call Trace:
[   13.602411][  T316]  <TASK>
[   13.602413][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.602420][  T316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.602423][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.602428][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.602434][  T316]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.602440][  T316]  __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))
[   13.602444][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.602452][  T316]  ? 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)
[   13.602455][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.602462][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   13.602465][  T316]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.602468][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.602473][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.602477][  T316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.602484][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.602487][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.602489][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.602497][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.602499][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.602504][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.602508][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.602515][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.602522][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.602524][  T316]  ? 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))
[   13.602530][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.602534][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.602540][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.602547][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.602549][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.602558][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.602562][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.602564][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.602567][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.602573][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.602576][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.602581][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.602587][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.602596][  T316]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   13.602600][  T316]  _printk (kernel/printk/printk.c:2504)
[   13.602605][  T316]  ? snapshot_read.cold (user.c:?)
[   13.602615][  T316]  ? 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)
[   13.602620][  T316] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.602623][  T316]  do_one_initcall (init/main.c:1357)
[   13.602627][  T316]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.602634][  T316]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.602638][  T316]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.602645][  T316]  do_init_module (kernel/module/main.c:3117)
[   13.602651][  T316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.602656][  T316]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.602661][  T316]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.602668][  T316]  load_module (kernel/module/main.c:3593)
[   13.602681][  T316]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.602688][  T316]  ? __ia32_sys_fsconfig (??:?)
[   13.602692][  T316]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.602696][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.602699][  T316]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.602703][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.602709][  T316]  init_module_from_file (kernel/module/main.c:3790)
[   13.602714][  T316]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.602728][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.602734][  T316]  ? 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)
[   13.602738][  T316]  idempotent_init_module (kernel/module/main.c:3802)
[   13.602743][  T316]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.602754][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.602757][  T316]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.602766][  T316]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.602769][  T316]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.602774][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.602776][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.602780][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.602783][  T316] RIP: 0033:0x7f02fa0ab37d
[   13.602787][  T316] 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
[   13.602790][  T316] RSP: 002b:00007fff2e299a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.602793][  T316] RAX: ffffffffffffffda RBX: 00005631603e0810 RCX: 00007f02fa0ab37d
[   13.602795][  T316] RDX: 0000000000000000 RSI: 0000563123bf2ffd RDI: 0000000000000000
[   13.602796][  T316] RBP: 00007fff2e299b30 R08: 0000000000000000 R09: 0000000000000000
[   13.602797][  T316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563123bf2ffd
[   13.602799][  T316] R13: 00005631603e0960 R14: 0000000000040000 R15: 0000000000000000
| [   14.727090][  T399] softirqs last disabled at (18664): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.727093][  T399] Preemption disabled at:
| [   14.727093][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.727103][  T399] Tainted: [W]=WARN
[   14.727104][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.727105][  T399] Call Trace:
[   14.727107][  T399]  <TASK>
[   14.727108][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.727114][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.727116][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.727121][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.727125][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.727130][  T399]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.727132][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.727138][  T399]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.727140][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.727144][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   14.727145][  T399]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.727148][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.727151][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.727155][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.727157][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.727161][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.727164][  T399]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.727166][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727167][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727178][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.727180][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.727183][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727185][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.727189][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.727193][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.727195][  T399]  ? 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))
[   14.727198][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727200][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.727204][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.727209][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.727210][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727216][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.727218][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.727220][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727222][  T399]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.727226][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.727228][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.727231][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.727236][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.727238][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.727243][  T399]  _printk (kernel/printk/printk.c:2504)
[   14.727247][  T399]  ? snapshot_read.cold (user.c:?)
[   14.727250][  T399]  ? br_multicast_flood (??:?) bridge
[   14.727263][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.727265][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.727266][  T399]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.727271][  T399] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.727281][  T399] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.727289][  T399] new_nbp (net/bridge/br_if.c:449) bridge
[   14.727298][  T399] br_add_if (net/bridge/br_if.c:592) bridge
[   14.727305][  T399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.727309][  T399]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.727312][  T399]  ? __kernel_text_address (kernel/extable.c:79)
[   14.727316][  T399]  do_set_master (net/core/rtnetlink.c:3071)
[   14.727321][  T399]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.727324][  T399]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.727327][  T399]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.727328][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.727330][  T399]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.727333][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.727336][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.727338][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.727340][  T399]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.727343][  T399]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.727345][  T399]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.727348][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727350][  T399]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.727353][  T399]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.727357][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.727359][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.727362][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727364][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.727366][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727367][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727370][  T399]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.727374][  T399]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.727377][  T399]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.727379][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.727382][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.727384][  T399]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.727389][  T399]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.727394][  T399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.727399][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.727401][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727406][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.727408][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.727410][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.727412][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.727415][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.727417][  T399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.727420][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.727422][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727426][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.727428][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.727432][  T399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.727433][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.727436][  T399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.727443][  T399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.727444][  T399]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.727448][  T399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.727452][  T399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.727455][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.727463][  T399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.727467][  T399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.727471][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.727476][  T399]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.727479][  T399]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.727481][  T399]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.727482][  T399]  ? move_addr_to_kernel (net/socket.c:258)
[   14.727490][  T399]  ___sys_sendmsg (net/socket.c:2767)
[   14.727493][  T399]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.727513][  T399]  __sys_sendmsg (net/socket.c:2799)
[   14.727517][  T399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.727528][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.727535][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.727538][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.727543][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.727546][  T399] RIP: 0033:0x7ffa9cc0f54e
[   14.727551][  T399] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.727554][  T399] RSP: 002b:00007ffca6e93600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.727557][  T399] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffa9cc0f54e
[   14.727559][  T399] RDX: 0000000000000000 RSI: 00007ffca6e936b0 RDI: 0000000000000005
[   14.727561][  T399] RBP: 00007ffca6e93610 R08: 0000000000000000 R09: 0000000000000000
[   14.727562][  T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9129f5
[   14.727564][  T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca6e93d70
| [   30.571584][    C3] softirqs last disabled at (767631): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   30.571587][    C3] Preemption disabled at:
| [   30.571588][    C3] 0x0
| [   30.571601][    C3] Tainted: [W]=WARN
[   30.571602][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.571604][    C3] Call Trace:
[   30.571606][    C3]  <IRQ>
[   30.571608][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.571614][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.571618][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.571622][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.571626][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571631][    C3]  __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))
[   30.571634][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.571637][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.571642][    C3]  ? 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)
[   30.571644][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.571647][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   30.571649][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.571652][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.571657][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.571661][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.571664][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571666][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.571670][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.571673][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.571676][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571678][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571681][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.571683][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.571685][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.571689][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.571692][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.571695][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.571697][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.571699][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571701][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.571703][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.571706][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.571708][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.571711][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.571714][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.571716][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.571732][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.571734][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.571745][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.571755][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   30.571759][    C3]  _printk (kernel/printk/printk.c:2504)
[   30.571763][    C3]  ? snapshot_read.cold (user.c:?)
[   30.571765][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   30.571770][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.571773][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   30.571775][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   30.571779][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.571783][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.571785][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.571788][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.571791][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.571793][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.571803][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571806][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.571808][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.571819][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.571822][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.571833][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.571844][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.571855][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   30.571858][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.571861][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.571865][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.571867][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.571870][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571873][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.571875][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.571886][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.571889][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.571893][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.571896][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.571898][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.571901][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.571904][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571906][    C3]  handle_softirqs (kernel/softirq.c:645)
[   30.571909][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.571911][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.571914][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.571916][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   30.571918][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.571921][    C3]  </IRQ>
[   30.571922][    C3]  <TASK>
[   30.571923][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.571925][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.571928][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.571931][    C3] 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
[   30.571934][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   30.571937][    C3] RAX: 00000000000bb68d RBX: ff11000001c88040 RCX: ffffffffacef0307
[   30.571939][    C3] RDX: ff11000001c88040 RSI: ffffffffafc38b01 RDI: ffffffffaf68d8e0
[   30.571940][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.571942][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   30.571943][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   30.571945][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.571949][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.571952][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   30.571954][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.571956][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   30.571958][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.571961][    C3]  ? default_idle_call (kernel/sched/idle.c:129)
[   30.571963][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.571966][    C3]  do_idle (kernel/sched/idle.c:355)
[   30.571968][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.571970][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   30.571973][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   30.571976][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.657207][    C3]
| [   30.657327][    C3]
| [   30.657327][    C3] stack backtrace:
| [   30.657617][    C3] Tainted: [W]=WARN
[   30.657618][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.657620][    C3] Call Trace:
[   30.657622][    C3]  <IRQ>
[   30.657624][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.657629][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   30.657633][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.657638][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.657641][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.657644][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.657648][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.657651][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.657663][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.657668][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.657670][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.657682][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.657685][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.657696][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.657708][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.657720][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   30.657724][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.657727][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.657731][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.657734][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.657737][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.657741][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.657744][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.657757][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.657759][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.657764][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.657768][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.657771][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.657774][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.657777][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.657780][    C3]  handle_softirqs (kernel/softirq.c:645)
[   30.657783][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.657786][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.657789][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.657791][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   30.657793][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.657797][    C3]  </IRQ>
[   30.657797][    C3]  <TASK>
[   30.657798][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.657801][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.657803][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.657806][    C3] 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
[   30.657809][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   30.657812][    C3] RAX: 00000000000bb68d RBX: ff11000001c88040 RCX: ffffffffacef0307
[   30.657814][    C3] RDX: ff11000001c88040 RSI: ffffffffafc38b01 RDI: ffffffffaf68d8e0
[   30.657815][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.657817][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   30.657818][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   30.657821][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.657824][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.657827][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   30.657829][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.657832][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   30.657835][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.657837][    C3]  ? default_idle_call (kernel/sched/idle.c:129)
[   30.657840][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.657843][    C3]  do_idle (kernel/sched/idle.c:355)
[   30.657846][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.657849][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   30.657851][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   30.657854][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   88.502009][  T786] softirqs last disabled at (0): 0x0
| [   88.502011][  T786] Preemption disabled at:
| [   88.502012][  T786] 0x0
| [   88.502020][  T786] Tainted: [W]=WARN
[   88.502021][  T786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.502023][  T786] Call Trace:
[   88.502024][  T786]  <TASK>
[   88.502026][  T786]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.502032][  T786]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.502036][  T786]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.502039][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502043][  T786]  __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))
[   88.502047][  T786]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.502050][  T786]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.502053][  T786]  ? 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)
[   88.502055][  T786]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.502057][  T786]  put_chars (drivers/char/virtio_console.c:1176)
[   88.502059][  T786]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   88.502061][  T786]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.502063][  T786]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.502066][  T786]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.502069][  T786]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.502071][  T786]  ? 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)
[   88.502072][  T786]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.502074][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502075][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502077][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502079][  T786]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.502082][  T786]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.502084][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502086][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502087][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502089][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502091][  T786]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.502093][  T786]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.502095][  T786]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.502098][  T786]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.502099][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502101][  T786]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.502102][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502104][  T786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.502105][  T786]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.502107][  T786]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.502109][  T786]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.502111][  T786]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.502113][  T786]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.502117][  T786]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.502118][  T786]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   88.502122][  T786]  ? debug_object_activate (lib/debugobjects.c:884)
[   88.502125][  T786]  _printk (kernel/printk/printk.c:2504)
[   88.502128][  T786]  ? snapshot_read.cold (user.c:?)
[   88.502130][  T786]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.502132][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502134][  T786]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.502137][  T786] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   88.502150][  T786] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   88.502158][  T786] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   88.502166][  T786] br_dev_stop (net/bridge/br_device.c:193) bridge
[   88.502174][  T786]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.502178][  T786]  __dev_close_many (net/core/dev.c:1798)
[   88.502181][  T786]  ? netif_open (net/core/dev.c:1755)
[   88.502183][  T786]  ? 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)
[   88.502185][  T786]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   88.502187][  T786]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   88.502189][  T786]  ? __kernel_text_address (kernel/extable.c:79)
[   88.502192][  T786]  ? write_profile (profile.c:?)
[   88.502194][  T786]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.502197][  T786]  netif_change_flags (net/core/dev.c:9877)
[   88.502199][  T786]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   88.502201][  T786]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.502203][  T786]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.502204][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502205][  T786]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.502209][  T786]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.502212][  T786]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.502213][  T786]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.502215][  T786]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.502216][  T786]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.502218][  T786]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.502219][  T786]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.502220][  T786]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.502223][  T786]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.502224][  T786]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.502226][  T786]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.502228][  T786]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.502229][  T786]  ? __sys_sendmsg (net/socket.c:2799)
[   88.502231][  T786]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.502234][  T786]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.502236][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502238][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502240][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502241][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502243][  T786]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.502247][  T786]  ? __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)
[   88.502249][  T786]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.502250][  T786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.502252][  T786]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.502254][  T786]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.502256][  T786]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.502258][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502260][  T786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.502261][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502263][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502265][  T786]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.502268][  T786]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.502270][  T786]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.502271][  T786]  ? __kernel_text_address (kernel/extable.c:79)
[   88.502272][  T786]  ? write_profile (profile.c:?)
[   88.502274][  T786]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.502275][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502277][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502278][  T786]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.502282][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502283][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502285][  T786]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.502287][  T786]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.502288][  T786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.502290][  T786]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.502291][  T786]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.502294][  T786]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.502295][  T786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.502296][  T786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.502298][  T786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.502299][  T786]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.502302][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502304][  T786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.502306][  T786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.502307][  T786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.502309][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502311][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502313][  T786]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.502314][  T786]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.502316][  T786]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.502318][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502320][  T786]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.502322][  T786]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.502323][  T786]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.502325][  T786]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.502327][  T786]  ? move_addr_to_kernel (net/socket.c:258)
[   88.502328][  T786]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.502331][  T786]  ___sys_sendmsg (net/socket.c:2767)
[   88.502332][  T786]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.502337][  T786]  __sys_sendmsg (net/socket.c:2799)
[   88.502339][  T786]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.502342][  T786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.502344][  T786]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.502345][  T786]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.502348][  T786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.502349][  T786] RIP: 0033:0x7f7f96f9454e
[   88.502351][  T786] 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
[   88.502353][  T786] RSP: 002b:00007fff6cc22660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.502356][  T786] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f96f9454e
[   88.502358][  T786] RDX: 0000000000000000 RSI: 00007fff6cc22710 RDI: 0000000000000005
[   88.502359][  T786] RBP: 00007fff6cc22670 R08: 0000000000000000 R09: 0000000000000000
[   88.502359][  T786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912a3e


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__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