======================================
| [   11.991783][  T245] softirqs last disabled at (21977): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.991786][  T245] Preemption disabled at:
| [   11.991787][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.991799][  T245] Tainted: [W]=WARN
[   11.991800][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.991802][  T245] Call Trace:
[   11.991804][  T245]  <TASK>
[   11.991806][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.991814][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.991817][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.991823][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.991828][  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)
[   11.991836][  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))
[   11.991839][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.991848][  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)
[   11.991851][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.991857][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   11.991861][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.991863][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.991870][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.991874][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.991882][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.991885][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.991894][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.991899][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.991907][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.991914][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.991916][  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))
[   11.991921][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.991926][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.991933][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.991940][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.991942][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.991952][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.991956][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.991959][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.991962][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.991969][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.991971][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.991977][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.991983][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.991993][  T245]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.991998][  T245]  _printk (kernel/printk/printk.c:2504)
[   11.992004][  T245]  ? snapshot_read.cold (user.c:?)
[   11.992015][  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)
[   11.992020][  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
[   11.992025][  T245]  do_one_initcall (init/main.c:1357)
[   11.992029][  T245]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.992037][  T245]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.992042][  T245]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.992054][  T245]  do_init_module (kernel/module/main.c:3117)
[   11.992060][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.992066][  T245]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.992071][  T245]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.992078][  T245]  load_module (kernel/module/main.c:3593)
[   11.992091][  T245]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.992098][  T245]  ? __ia32_sys_fsconfig (??:?)
[   11.992101][  T245]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.992106][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.992109][  T245]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.992113][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.992119][  T245]  init_module_from_file (kernel/module/main.c:3790)
[   11.992124][  T245]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.992139][  T245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.992145][  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)
[   11.992150][  T245]  idempotent_init_module (kernel/module/main.c:3802)
[   11.992156][  T245]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.992167][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.992171][  T245]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.992180][  T245]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.992184][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.992189][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.992192][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.992197][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.992200][  T245] RIP: 0033:0x7f2b2d14c37d
[   11.992205][  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
[   11.992208][  T245] RSP: 002b:00007ffe690a32e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.992212][  T245] RAX: ffffffffffffffda RBX: 000056431a1ea810 RCX: 00007f2b2d14c37d
[   11.992214][  T245] RDX: 0000000000000000 RSI: 00005642de471ffd RDI: 0000000000000000
[   11.992215][  T245] RBP: 00007ffe690a3380 R08: 0000000000000000 R09: 0000000000000000
[   11.992217][  T245] R10: 0000000000000000 R11: 0000000000000246 R12: 00005642de471ffd
[   11.992218][  T245] R13: 000056431a1ea960 R14: 0000000000040000 R15: 0000000000000000
| [   13.329815][  T316] softirqs last disabled at (20407): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.329817][  T316] Preemption disabled at:
| [   13.329818][  T316] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.329827][  T316] Tainted: [W]=WARN
[   13.329828][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.329830][  T316] Call Trace:
[   13.329832][  T316]  <TASK>
[   13.329833][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.329839][  T316]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.329841][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.329846][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.329850][  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)
[   13.329855][  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))
[   13.329858][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.329864][  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)
[   13.329866][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.329870][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   13.329872][  T316]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.329874][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.329877][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.329880][  T316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.329885][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.329887][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.329889][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.329894][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.329895][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.329898][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.329901][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.329905][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.329909][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.329911][  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))
[   13.329914][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.329916][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.329920][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.329925][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.329927][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.329932][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.329935][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.329937][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.329939][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.329943][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.329944][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.329948][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.329952][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.329958][  T316]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   13.329961][  T316]  _printk (kernel/printk/printk.c:2504)
[   13.329965][  T316]  ? snapshot_read.cold (user.c:?)
[   13.329971][  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)
[   13.329975][  T316] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.329977][  T316]  do_one_initcall (init/main.c:1357)
[   13.329979][  T316]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.329984][  T316]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.329987][  T316]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.329992][  T316]  do_init_module (kernel/module/main.c:3117)
[   13.329996][  T316]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.330000][  T316]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.330004][  T316]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.330008][  T316]  load_module (kernel/module/main.c:3593)
[   13.330015][  T316]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.330019][  T316]  ? __ia32_sys_fsconfig (??:?)
[   13.330023][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.330026][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.330030][  T316]  init_module_from_file (kernel/module/main.c:3790)
[   13.330033][  T316]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.330041][  T316]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.330045][  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)
[   13.330050][  T316]  idempotent_init_module (kernel/module/main.c:3802)
[   13.330054][  T316]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.330060][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.330063][  T316]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.330069][  T316]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.330071][  T316]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.330075][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.330077][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.330079][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.330082][  T316] RIP: 0033:0x7f5e0753937d
[   13.330085][  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
[   13.330087][  T316] RSP: 002b:00007ffde34fff88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.330090][  T316] RAX: ffffffffffffffda RBX: 000055d98470e810 RCX: 00007f5e0753937d
[   13.330091][  T316] RDX: 0000000000000000 RSI: 000055d9817c7ffd RDI: 0000000000000000
[   13.330092][  T316] RBP: 00007ffde3500020 R08: 0000000000000000 R09: 0000000000000000
[   13.330093][  T316] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d9817c7ffd
[   13.330093][  T316] R13: 000055d98470e960 R14: 0000000000040000 R15: 0000000000000000
| [   14.540591][  T398] softirqs last disabled at (15268): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.540594][  T398] Preemption disabled at:
| [   14.540595][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.540604][  T398] Tainted: [W]=WARN
[   14.540605][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.540606][  T398] Call Trace:
[   14.540608][  T398]  <TASK>
[   14.540610][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.540615][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.540618][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.540622][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.540626][  T398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.540632][  T398]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.540634][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.540640][  T398]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.540642][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.540645][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   14.540647][  T398]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.540649][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.540652][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.540657][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.540659][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.540664][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.540668][  T398]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.540671][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540672][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540676][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.540678][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.540682][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.540684][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.540688][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.540692][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.540694][  T398]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.540697][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.540699][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.540703][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.540707][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.540709][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540714][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.540717][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.540718][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.540721][  T398]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.540724][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.540726][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.540729][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.540733][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.540736][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.540741][  T398]  _printk (kernel/printk/printk.c:2504)
[   14.540744][  T398]  ? snapshot_read.cold (user.c:?)
[   14.540748][  T398]  ? br_multicast_flood (??:?) bridge
[   14.540761][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.540762][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.540764][  T398]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.540768][  T398] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.540779][  T398] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.540787][  T398] new_nbp (net/bridge/br_if.c:449) bridge
[   14.540796][  T398] br_add_if (net/bridge/br_if.c:592) bridge
[   14.540804][  T398]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.540808][  T398]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.540810][  T398]  ? __kernel_text_address (kernel/extable.c:79)
[   14.540816][  T398]  do_set_master (net/core/rtnetlink.c:3071)
[   14.540823][  T398]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.540826][  T398]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.540829][  T398]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.540831][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.540832][  T398]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.540836][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.540839][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.540840][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.540843][  T398]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.540846][  T398]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.540847][  T398]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.540850][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540852][  T398]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.540855][  T398]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.540860][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.540861][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.540864][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.540866][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.540868][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.540870][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.540872][  T398]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.540876][  T398]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.540879][  T398]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.540881][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.540884][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.540886][  T398]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.540891][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.540896][  T398]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.540901][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.540903][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540907][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.540909][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.540911][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.540913][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.540917][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.540919][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.540922][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.540924][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540929][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.540931][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.540934][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.540936][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.540939][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.540949][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.540951][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.540955][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.540959][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.540962][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.540966][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.540970][  T398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.540973][  T398]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.540979][  T398]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.540981][  T398]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.540983][  T398]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.540985][  T398]  ? move_addr_to_kernel (net/socket.c:258)
[   14.540992][  T398]  ___sys_sendmsg (net/socket.c:2767)
[   14.540995][  T398]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.541010][  T398]  __sys_sendmsg (net/socket.c:2799)
[   14.541013][  T398]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.541019][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.541023][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.541025][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.541028][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.541030][  T398] RIP: 0033:0x7f4b5973854e
[   14.541034][  T398] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.541035][  T398] RSP: 002b:00007fff305b8f70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.541038][  T398] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4b5973854e
[   14.541039][  T398] RDX: 0000000000000000 RSI: 00007fff305b9020 RDI: 0000000000000005
[   14.541040][  T398] RBP: 00007fff305b8f80 R08: 0000000000000000 R09: 0000000000000000
[   14.541041][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d88c
[   14.541042][  T398] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff305b96e0
| [   30.082151][    C3] softirqs last disabled at (1266825): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   30.082153][    C3] Preemption disabled at:
| [   30.082153][    C3] 0x0
| [   30.082164][    C3] Tainted: [W]=WARN
[   30.082165][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.082167][    C3] Call Trace:
[   30.082169][    C3]  <IRQ>
[   30.082170][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.082176][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.082180][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.082184][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.082186][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082190][    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))
[   30.082193][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.082196][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.082199][    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)
[   30.082201][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.082203][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   30.082205][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.082207][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.082210][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.082213][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.082215][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082216][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.082219][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.082221][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.082223][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082225][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082227][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.082228][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.082230][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.082233][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.082235][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.082237][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.082239][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.082240][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082242][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.082243][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.082245][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.082247][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.082249][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.082252][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.082254][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.082266][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.082268][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.082274][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.082280][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   30.082284][    C3]  _printk (kernel/printk/printk.c:2504)
[   30.082287][    C3]  ? snapshot_read.cold (user.c:?)
[   30.082289][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   30.082293][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.082296][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   30.082297][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   30.082300][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.082302][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.082304][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.082306][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.082308][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.082310][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.082316][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082318][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.082320][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.082326][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.082328][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.082336][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.082343][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.082350][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   30.082353][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.082355][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.082358][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.082360][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.082362][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082364][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.082366][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.082373][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.082375][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.082378][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.082380][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.082382][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.082384][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.082386][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082388][    C3]  handle_softirqs (kernel/softirq.c:645)
[   30.082389][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.082391][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.082393][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.082394][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   30.082396][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.082399][    C3]  </IRQ>
[   30.082399][    C3]  <TASK>
[   30.082400][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.082402][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.082404][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.082407][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   30.082409][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   30.082412][    C3] RAX: 0000000000135487 RBX: ff11000001c88040 RCX: ffffffff836f0307
[   30.082414][    C3] RDX: ff11000001c88040 RSI: ffffffff86438b1c RDI: ffffffff85e8d8e0
[   30.082415][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.082415][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   30.082416][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   30.082418][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.082421][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.082423][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   30.082425][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.082426][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   30.082428][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.082430][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.082433][    C3]  do_idle (kernel/sched/idle.c:355)
[   30.082434][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.082436][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   30.082437][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   30.082439][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.144060][    C3]
| [   30.144128][    C3]
| [   30.144128][    C3] stack backtrace:
| [   30.144301][    C3] Tainted: [W]=WARN
[   30.144302][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.144304][    C3] Call Trace:
[   30.144305][    C3]  <IRQ>
[   30.144307][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.144312][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   30.144315][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.144318][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.144320][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.144321][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.144323][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.144325][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.144332][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.144335][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.144337][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.144343][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.144345][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.144351][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.144357][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.144363][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   30.144365][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.144367][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.144371][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.144373][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.144375][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.144377][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.144379][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.144386][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.144388][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.144390][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.144393][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.144395][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.144396][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.144399][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.144401][    C3]  handle_softirqs (kernel/softirq.c:645)
[   30.144403][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.144404][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.144406][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.144408][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   30.144409][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.144411][    C3]  </IRQ>
[   30.144411][    C3]  <TASK>
[   30.144412][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.144414][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.144416][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.144418][    C3] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 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 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  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 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  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
[   30.144420][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   30.144422][    C3] RAX: 0000000000135487 RBX: ff11000001c88040 RCX: ffffffff836f0307
[   30.144423][    C3] RDX: ff11000001c88040 RSI: ffffffff86438b1c RDI: ffffffff85e8d8e0
[   30.144424][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.144425][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   30.144425][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   30.144427][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.144429][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.144431][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   30.144432][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.144434][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   30.144436][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.144437][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.144440][    C3]  do_idle (kernel/sched/idle.c:355)
[   30.144441][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.144442][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   30.144444][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   30.144446][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   88.702234][  T785] softirqs last disabled at (0): 0x0
| [   88.702237][  T785] Preemption disabled at:
| [   88.702238][  T785] 0x0
| [   88.702247][  T785] Tainted: [W]=WARN
[   88.702249][  T785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.702250][  T785] Call Trace:
[   88.702252][  T785]  <TASK>
[   88.702254][  T785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.702260][  T785]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.702264][  T785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.702269][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702273][  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))
[   88.702278][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.702281][  T785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.702286][  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)
[   88.702288][  T785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.702291][  T785]  put_chars (drivers/char/virtio_console.c:1176)
[   88.702293][  T785]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   88.702296][  T785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.702299][  T785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.702302][  T785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.702307][  T785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.702308][  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)
[   88.702311][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.702313][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702315][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702318][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702321][  T785]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.702325][  T785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.702327][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702330][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702332][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702334][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702337][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.702339][  T785]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.702342][  T785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.702346][  T785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.702349][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702351][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.702353][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702356][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.702358][  T785]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.702360][  T785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.702363][  T785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.702365][  T785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.702368][  T785]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.702374][  T785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.702376][  T785]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   88.702381][  T785]  ? debug_object_activate (lib/debugobjects.c:884)
[   88.702385][  T785]  _printk (kernel/printk/printk.c:2504)
[   88.702389][  T785]  ? snapshot_read.cold (user.c:?)
[   88.702392][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.702394][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702397][  T785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.702401][  T785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   88.702419][  T785] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   88.702431][  T785] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   88.702443][  T785] br_dev_stop (net/bridge/br_device.c:193) bridge
[   88.702456][  T785]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.702460][  T785]  __dev_close_many (net/core/dev.c:1798)
[   88.702465][  T785]  ? netif_open (net/core/dev.c:1755)
[   88.702467][  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)
[   88.702470][  T785]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   88.702473][  T785]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   88.702476][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   88.702479][  T785]  ? write_profile (profile.c:?)
[   88.702482][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.702486][  T785]  netif_change_flags (net/core/dev.c:9877)
[   88.702489][  T785]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   88.702492][  T785]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.702495][  T785]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.702496][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702499][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.702503][  T785]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.702507][  T785]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.702509][  T785]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.702511][  T785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.702513][  T785]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.702516][  T785]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.702517][  T785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.702519][  T785]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.702522][  T785]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.702524][  T785]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.702526][  T785]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.702529][  T785]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.702531][  T785]  ? __sys_sendmsg (net/socket.c:2799)
[   88.702534][  T785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.702537][  T785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.702541][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702543][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702545][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702548][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702550][  T785]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.702554][  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)
[   88.702558][  T785]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.702560][  T785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.702562][  T785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.702565][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.702569][  T785]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.702572][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702574][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.702576][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702578][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702581][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.702585][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.702588][  T785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.702590][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   88.702591][  T785]  ? write_profile (profile.c:?)
[   88.702593][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.702596][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702598][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702600][  T785]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.702604][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702606][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702609][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.702611][  T785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.702614][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.702616][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.702618][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.702622][  T785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.702624][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.702626][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.702628][  T785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.702630][  T785]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.702634][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702637][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.702640][  T785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.702642][  T785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.702645][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702647][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702649][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.702652][  T785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.702655][  T785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.702658][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702660][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.702663][  T785]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.702665][  T785]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.702668][  T785]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.702670][  T785]  ? move_addr_to_kernel (net/socket.c:258)
[   88.702672][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.702676][  T785]  ___sys_sendmsg (net/socket.c:2767)
[   88.702679][  T785]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.702686][  T785]  __sys_sendmsg (net/socket.c:2799)
[   88.702689][  T785]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.702693][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.702696][  T785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.702698][  T785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.702701][  T785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.702704][  T785] RIP: 0033:0x7f7a29c6c54e
[   88.702706][  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
[   88.702709][  T785] RSP: 002b:00007ffc7c1f3130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.702713][  T785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7a29c6c54e
[   88.702715][  T785] RDX: 0000000000000000 RSI: 00007ffc7c1f31e0 RDI: 0000000000000005
[   88.702716][  T785] RBP: 00007ffc7c1f3140 R08: 0000000000000000 R09: 0000000000000000
[   88.702717][  T785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d8d7


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