======================================
| [   10.958745][  T245] softirqs last disabled at (29215): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.958747][  T245] Preemption disabled at:
| [   10.958748][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.958757][  T245] Tainted: [W]=WARN
[   10.958758][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.958760][  T245] Call Trace:
[   10.958761][  T245]  <TASK>
[   10.958763][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.958775][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.958777][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.958781][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.958785][  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)
[   10.958790][  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))
[   10.958792][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.958798][  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)
[   10.958801][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.958804][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   10.958806][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.958808][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.958812][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.958814][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.958819][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.958821][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.958826][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.958828][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.958833][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.958837][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.958838][  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))
[   10.958841][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.958844][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.958847][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.958851][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.958853][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.958858][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.958861][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.958862][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.958865][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.958868][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.958870][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.958873][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.958876][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.958882][  T245]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.958886][  T245]  _printk (kernel/printk/printk.c:2504)
[   10.958889][  T245]  ? snapshot_read.cold (user.c:?)
[   10.958895][  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)
[   10.958898][  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
[   10.958901][  T245]  do_one_initcall (init/main.c:1357)
[   10.958903][  T245]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.958908][  T245]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.958910][  T245]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.958915][  T245]  do_init_module (kernel/module/main.c:3117)
[   10.958919][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.958923][  T245]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.958926][  T245]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.958930][  T245]  load_module (kernel/module/main.c:3593)
[   10.958937][  T245]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.958941][  T245]  ? __ia32_sys_fsconfig (??:?)
[   10.958943][  T245]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.958947][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.958949][  T245]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.958952][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.958955][  T245]  init_module_from_file (kernel/module/main.c:3790)
[   10.958958][  T245]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.958966][  T245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.958969][  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)
[   10.958972][  T245]  idempotent_init_module (kernel/module/main.c:3802)
[   10.958976][  T245]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.958982][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.958984][  T245]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.958990][  T245]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.958992][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.958995][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.958997][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.958999][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.959001][  T245] RIP: 0033:0x7f281c95c37d
[   10.959005][  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
[   10.959006][  T245] RSP: 002b:00007ffef1a25fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.959009][  T245] RAX: ffffffffffffffda RBX: 000055e6c479d810 RCX: 00007f281c95c37d
[   10.959010][  T245] RDX: 0000000000000000 RSI: 000055e6921c9ffd RDI: 0000000000000000
[   10.959011][  T245] RBP: 00007ffef1a26060 R08: 0000000000000000 R09: 0000000000000000
[   10.959012][  T245] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e6921c9ffd
[   10.959013][  T245] R13: 000055e6c479d960 R14: 0000000000040000 R15: 0000000000000000
| [   12.297279][  T316] softirqs last disabled at (26337): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.297281][  T316] Preemption disabled at:
| [   12.297282][  T316] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.297291][  T316] Tainted: [W]=WARN
[   12.297292][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.297294][  T316] Call Trace:
[   12.297295][  T316]  <TASK>
[   12.297297][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.297302][  T316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.297304][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.297309][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.297313][  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)
[   12.297318][  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))
[   12.297320][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.297326][  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)
[   12.297328][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.297332][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   12.297334][  T316]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.297336][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.297339][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.297342][  T316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.297346][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.297349][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.297350][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.297355][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.297356][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.297359][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.297362][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.297366][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.297370][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.297372][  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))
[   12.297375][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.297377][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.297381][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.297385][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.297387][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.297392][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.297394][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.297396][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.297399][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.297402][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.297404][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.297407][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.297411][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.297417][  T316]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   12.297420][  T316]  _printk (kernel/printk/printk.c:2504)
[   12.297424][  T316]  ? snapshot_read.cold (user.c:?)
[   12.297430][  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)
[   12.297433][  T316] gact_init_module (net/sched/act_gact.c:180) act_gact
[   12.297436][  T316]  do_one_initcall (init/main.c:1357)
[   12.297438][  T316]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.297443][  T316]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.297446][  T316]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.297450][  T316]  do_init_module (kernel/module/main.c:3117)
[   12.297454][  T316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.297458][  T316]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.297461][  T316]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.297465][  T316]  load_module (kernel/module/main.c:3593)
[   12.297473][  T316]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.297476][  T316]  ? __ia32_sys_fsconfig (??:?)
[   12.297479][  T316]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.297482][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.297484][  T316]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.297488][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.297492][  T316]  init_module_from_file (kernel/module/main.c:3790)
[   12.297495][  T316]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.297503][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.297506][  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)
[   12.297509][  T316]  idempotent_init_module (kernel/module/main.c:3802)
[   12.297513][  T316]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.297519][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.297521][  T316]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.297527][  T316]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.297529][  T316]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.297533][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.297534][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.297537][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.297539][  T316] RIP: 0033:0x7f6f933dc37d
[   12.297543][  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
[   12.297544][  T316] RSP: 002b:00007fffa5d2d838 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.297547][  T316] RAX: ffffffffffffffda RBX: 000055f6bd0b0810 RCX: 00007f6f933dc37d
[   12.297549][  T316] RDX: 0000000000000000 RSI: 000055f6aa7e7ffd RDI: 0000000000000000
[   12.297550][  T316] RBP: 00007fffa5d2d8d0 R08: 0000000000000000 R09: 0000000000000000
[   12.297550][  T316] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f6aa7e7ffd
[   12.297551][  T316] R13: 000055f6bd0b0960 R14: 0000000000040000 R15: 0000000000000000
| [   13.397554][  T400] softirqs last disabled at (20222): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.397557][  T400] Preemption disabled at:
| [   13.397557][  T400] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.397567][  T400] Tainted: [W]=WARN
[   13.397568][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.397569][  T400] Call Trace:
[   13.397571][  T400]  <TASK>
[   13.397572][  T400]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.397578][  T400]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.397580][  T400]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.397585][  T400]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.397589][  T400]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.397594][  T400]  __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))
[   13.397597][  T400]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.397602][  T400]  ? 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)
[   13.397605][  T400]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.397608][  T400]  put_chars (drivers/char/virtio_console.c:1176)
[   13.397610][  T400]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.397615][  T400]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.397618][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.397623][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.397625][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.397629][  T400]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.397632][  T400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.397634][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397635][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397639][  T400]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.397641][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.397645][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397647][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.397651][  T400]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.397655][  T400]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.397657][  T400]  ? 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))
[   13.397660][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397662][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.397666][  T400]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.397670][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.397672][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397677][  T400]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.397680][  T400]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.397682][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397685][  T400]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.397688][  T400]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.397690][  T400]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.397693][  T400]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.397697][  T400]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.397700][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.397705][  T400]  _printk (kernel/printk/printk.c:2504)
[   13.397708][  T400]  ? snapshot_read.cold (user.c:?)
[   13.397712][  T400]  ? br_multicast_flood (??:?) bridge
[   13.397725][  T400]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.397727][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.397728][  T400]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.397733][  T400] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.397743][  T400] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.397752][  T400] new_nbp (net/bridge/br_if.c:449) bridge
[   13.397761][  T400] br_add_if (net/bridge/br_if.c:592) bridge
[   13.397768][  T400]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.397772][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.397775][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   13.397784][  T400]  do_set_master (net/core/rtnetlink.c:3071)
[   13.397788][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.397792][  T400]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.397795][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.397796][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.397798][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.397802][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.397804][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.397806][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.397809][  T400]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.397812][  T400]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.397813][  T400]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.397816][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397818][  T400]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.397821][  T400]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.397826][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.397828][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.397830][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397833][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.397834][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397836][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397838][  T400]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.397842][  T400]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.397845][  T400]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.397848][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.397851][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.397853][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.397857][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.397863][  T400]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.397868][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.397870][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397874][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.397876][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.397878][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.397880][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.397884][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.397886][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.397889][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.397891][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397895][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.397897][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.397901][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.397902][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.397905][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.397912][  T400]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.397913][  T400]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.397917][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.397921][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.397924][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.397928][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.397932][  T400]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.397936][  T400]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.397941][  T400]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.397943][  T400]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.397946][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.397947][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   13.397955][  T400]  ___sys_sendmsg (net/socket.c:2767)
[   13.397958][  T400]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.397973][  T400]  __sys_sendmsg (net/socket.c:2799)
[   13.397976][  T400]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.397983][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.397986][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.397989][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.397992][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.397994][  T400] RIP: 0033:0x7fba2b48254e
[   13.397998][  T400] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.397999][  T400] RSP: 002b:00007fff499ea1e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.398002][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fba2b48254e
[   13.398004][  T400] RDX: 0000000000000000 RSI: 00007fff499ea290 RDI: 0000000000000005
[   13.398006][  T400] RBP: 00007fff499ea1f0 R08: 0000000000000000 R09: 0000000000000000
[   13.398007][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910047
[   13.398008][  T400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff499ea950
| [   29.052559][    C3] softirqs last disabled at (1346501): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.052562][    C3] Preemption disabled at:
| [   29.052562][    C3] 0x0
| [   29.052575][    C3] Tainted: [W]=WARN
[   29.052576][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.052579][    C3] Call Trace:
[   29.052581][    C3]  <IRQ>
[   29.052583][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.052590][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.052594][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.052598][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.052602][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052606][    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))
[   29.052615][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.052618][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.052623][    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)
[   29.052626][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.052629][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   29.052632][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.052634][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.052638][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.052643][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.052646][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052648][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052652][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.052655][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.052658][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052660][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052663][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052666][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.052668][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.052671][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.052675][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.052677][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052680][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.052682][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052684][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.052686][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.052688][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.052691][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.052693][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.052697][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.052699][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052714][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.052716][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052725][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052734][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   29.052739][    C3]  _printk (kernel/printk/printk.c:2504)
[   29.052743][    C3]  ? snapshot_read.cold (user.c:?)
[   29.052745][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.052750][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.052753][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.052755][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.052759][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.052763][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.052766][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.052768][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.052771][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.052773][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052783][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052786][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.052788][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.052797][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.052800][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052809][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.052819][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.052829][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   29.052832][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.052835][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.052839][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.052841][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.052844][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052847][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.052849][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.052859][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.052862][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.052871][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.052874][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.052877][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.052879][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.052882][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052884][    C3]  handle_softirqs (kernel/softirq.c:645)
[   29.052887][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.052889][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.052892][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.052894][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   29.052896][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.052899][    C3]  </IRQ>
[   29.052900][    C3]  <TASK>
[   29.052901][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.052903][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.052906][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.052909][    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
[   29.052912][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   29.052915][    C3] RAX: 0000000000148bc3 RBX: ff11000001c88040 RCX: ffffffff8faf0307
[   29.052917][    C3] RDX: ff11000001c88040 RSI: ffffffff92838b01 RDI: ffffffff9228d8e0
[   29.052918][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.052920][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   29.052921][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.052923][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.052927][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.052930][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   29.052932][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.052934][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   29.052936][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.052939][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.052942][    C3]  do_idle (kernel/sched/idle.c:355)
[   29.052944][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.052946][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.052949][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.052952][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.138019][    C3]
| [   29.138108][    C3]
| [   29.138108][    C3] stack backtrace:
| [   29.138403][    C3] Tainted: [W]=WARN
[   29.138404][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.138405][    C3] Call Trace:
[   29.138407][    C3]  <IRQ>
[   29.138409][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.138414][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.138419][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.138423][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.138426][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.138428][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.138431][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.138433][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.138444][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.138448][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.138450][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.138459][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.138462][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.138471][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.138480][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.138490][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   29.138494][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.138496][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.138500][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.138503][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.138505][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.138508][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.138510][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.138521][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.138523][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.138527][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.138530][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.138533][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.138535][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.138538][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.138540][    C3]  handle_softirqs (kernel/softirq.c:645)
[   29.138543][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.138545][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.138548][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.138550][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   29.138552][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.138555][    C3]  </IRQ>
[   29.138555][    C3]  <TASK>
[   29.138556][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.138558][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.138561][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.138564][    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
[   29.138567][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   29.138571][    C3] RAX: 0000000000148bc3 RBX: ff11000001c88040 RCX: ffffffff8faf0307
[   29.138573][    C3] RDX: ff11000001c88040 RSI: ffffffff92838b01 RDI: ffffffff9228d8e0
[   29.138574][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.138575][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   29.138576][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   29.138579][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.138581][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.138584][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   29.138586][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.138588][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   29.138590][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.138593][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.138596][    C3]  do_idle (kernel/sched/idle.c:355)
[   29.138599][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.138601][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   29.138603][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   29.138606][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   87.319010][  T785] softirqs last disabled at (0): 0x0
| [   87.319012][  T785] Preemption disabled at:
| [   87.319012][  T785] 0x0
| [   87.319021][  T785] Tainted: [W]=WARN
[   87.319022][  T785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   87.319024][  T785] Call Trace:
[   87.319025][  T785]  <TASK>
[   87.319027][  T785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   87.319032][  T785]  __might_resched.cold (kernel/sched/core.c:9234)
[   87.319036][  T785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   87.319039][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319043][  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))
[   87.319047][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.319050][  T785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.319054][  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)
[   87.319055][  T785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   87.319057][  T785]  put_chars (drivers/char/virtio_console.c:1176)
[   87.319059][  T785]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   87.319061][  T785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   87.319063][  T785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   87.319066][  T785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   87.319070][  T785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   87.319071][  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)
[   87.319072][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.319074][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319076][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319077][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319080][  T785]  console_emit_next_record (kernel/printk/printk.c:3183)
[   87.319082][  T785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   87.319084][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319086][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319087][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319089][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319091][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   87.319093][  T785]  console_flush_one_record (kernel/printk/printk.c:3268)
[   87.319095][  T785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   87.319098][  T785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   87.319099][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319101][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   87.319103][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319104][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.319106][  T785]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   87.319107][  T785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   87.319109][  T785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   87.319111][  T785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   87.319113][  T785]  vprintk_emit (kernel/printk/printk.c:2479)
[   87.319117][  T785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   87.319119][  T785]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   87.319123][  T785]  ? debug_object_activate (lib/debugobjects.c:884)
[   87.319125][  T785]  _printk (kernel/printk/printk.c:2504)
[   87.319129][  T785]  ? snapshot_read.cold (user.c:?)
[   87.319131][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   87.319132][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319134][  T785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   87.319138][  T785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   87.319151][  T785] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   87.319159][  T785] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   87.319166][  T785] br_dev_stop (net/bridge/br_device.c:193) bridge
[   87.319174][  T785]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   87.319178][  T785]  __dev_close_many (net/core/dev.c:1798)
[   87.319182][  T785]  ? netif_open (net/core/dev.c:1755)
[   87.319184][  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)
[   87.319191][  T785]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   87.319193][  T785]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   87.319195][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   87.319198][  T785]  ? write_profile (profile.c:?)
[   87.319200][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.319203][  T785]  netif_change_flags (net/core/dev.c:9877)
[   87.319206][  T785]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   87.319208][  T785]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   87.319209][  T785]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   87.319211][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319212][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.319216][  T785]  ? kasan_save_stack (mm/kasan/common.c:58)
[   87.319219][  T785]  ? kasan_save_stack (mm/kasan/common.c:57)
[   87.319220][  T785]  ? kasan_save_track (mm/kasan/common.c:78)
[   87.319221][  T785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   87.319223][  T785]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   87.319225][  T785]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   87.319226][  T785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.319227][  T785]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.319230][  T785]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.319231][  T785]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.319232][  T785]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.319235][  T785]  ? ___sys_sendmsg (net/socket.c:2767)
[   87.319236][  T785]  ? __sys_sendmsg (net/socket.c:2799)
[   87.319238][  T785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.319240][  T785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.319243][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319245][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319246][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319248][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319250][  T785]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   87.319253][  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)
[   87.319255][  T785]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   87.319256][  T785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   87.319258][  T785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   87.319260][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   87.319262][  T785]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   87.319264][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319266][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.319267][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319269][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319271][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   87.319274][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   87.319276][  T785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   87.319277][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   87.319278][  T785]  ? write_profile (profile.c:?)
[   87.319280][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   87.319281][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319283][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319284][  T785]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   87.319288][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319289][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319291][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   87.319292][  T785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   87.319294][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.319295][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.319297][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   87.319299][  T785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   87.319301][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   87.319302][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.319304][  T785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   87.319305][  T785]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   87.319308][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319309][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.319311][  T785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   87.319313][  T785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   87.319315][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319317][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319318][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   87.319320][  T785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   87.319322][  T785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   87.319324][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319326][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   87.319328][  T785]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   87.319329][  T785]  ? copy_msghdr_from_user (net/socket.c:2650)
[   87.319331][  T785]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   87.319332][  T785]  ? move_addr_to_kernel (net/socket.c:258)
[   87.319334][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   87.319337][  T785]  ___sys_sendmsg (net/socket.c:2767)
[   87.319338][  T785]  ? copy_msghdr_from_user (net/socket.c:2619)
[   87.319343][  T785]  __sys_sendmsg (net/socket.c:2799)
[   87.319345][  T785]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   87.319348][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   87.319350][  T785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   87.319351][  T785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   87.319354][  T785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   87.319355][  T785] RIP: 0033:0x7f790a92554e
[   87.319357][  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
[   87.319359][  T785] RSP: 002b:00007ffc2e57e940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   87.319362][  T785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f790a92554e
[   87.319364][  T785] RDX: 0000000000000000 RSI: 00007ffc2e57e9f0 RDI: 0000000000000005
[   87.319365][  T785] RBP: 00007ffc2e57e950 R08: 0000000000000000 R09: 0000000000000000
[   87.319365][  T785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910091


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