======================================
| [   10.726545][  T247] softirqs last disabled at (19231): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.726548][  T247] Preemption disabled at:
| [   10.726548][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.726558][  T247] Tainted: [W]=WARN
[   10.726558][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.726560][  T247] Call Trace:
[   10.726561][  T247]  <TASK>
[   10.726563][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.726568][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.726571][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.726575][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.726579][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.726584][  T247]  __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))
[   10.726586][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.726592][  T247]  ? 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)
[   10.726595][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.726598][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   10.726601][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.726602][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.726606][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.726609][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.726613][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.726616][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.726620][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.726623][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.726627][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.726631][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.726633][  T247]  ? 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))
[   10.726636][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.726638][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.726642][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.726646][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.726647][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.726652][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.726655][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.726657][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.726659][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.726662][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.726664][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.726667][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.726671][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.726676][  T247]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.726680][  T247]  _printk (kernel/printk/printk.c:2504)
[   10.726684][  T247]  ? snapshot_read.cold (user.c:?)
[   10.726690][  T247]  ? 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)
[   10.726693][  T247] 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
[   10.726696][  T247]  do_one_initcall (init/main.c:1357)
[   10.726699][  T247]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.726703][  T247]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.726706][  T247]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.726711][  T247]  do_init_module (kernel/module/main.c:3117)
[   10.726714][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.726718][  T247]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.726721][  T247]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.726725][  T247]  load_module (kernel/module/main.c:3593)
[   10.726732][  T247]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.726736][  T247]  ? __ia32_sys_fsconfig (??:?)
[   10.726739][  T247]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.726743][  T247]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.726746][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.726749][  T247]  init_module_from_file (kernel/module/main.c:3790)
[   10.726752][  T247]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.726760][  T247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.726763][  T247]  ? 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)
[   10.726766][  T247]  idempotent_init_module (kernel/module/main.c:3802)
[   10.726770][  T247]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.726776][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.726778][  T247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.726784][  T247]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.726786][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.726789][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.726791][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.726793][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.726796][  T247] RIP: 0033:0x7f8c7b38f37d
[   10.726799][  T247] 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
[   10.726801][  T247] RSP: 002b:00007ffeb7894e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.726803][  T247] RAX: ffffffffffffffda RBX: 0000559cb10a4810 RCX: 00007f8c7b38f37d
[   10.726805][  T247] RDX: 0000000000000000 RSI: 0000559c7a165ffd RDI: 0000000000000000
[   10.726805][  T247] RBP: 00007ffeb7894f30 R08: 0000000000000000 R09: 0000000000000000
[   10.726806][  T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559c7a165ffd
[   10.726807][  T247] R13: 0000559cb10a4960 R14: 0000000000040000 R15: 0000000000000000
| [   11.910185][  T317] softirqs last disabled at (27575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.910188][  T317] Preemption disabled at:
| [   11.910188][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.910200][  T317] Tainted: [W]=WARN
[   11.910201][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.910204][  T317] Call Trace:
[   11.910205][  T317]  <TASK>
[   11.910207][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.910213][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.910215][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.910219][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.910223][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.910231][  T317]  __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))
[   11.910235][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.910241][  T317]  ? 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)
[   11.910245][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.910248][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   11.910250][  T317]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.910252][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.910256][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.910261][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.910267][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.910269][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.910271][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.910276][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.910277][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.910280][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.910283][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.910289][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.910295][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.910298][  T317]  ? 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))
[   11.910301][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.910303][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.910307][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.910312][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.910313][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.910320][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.910324][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.910327][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.910330][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.910333][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.910335][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.910338][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.910343][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.910348][  T317]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   11.910353][  T317]  _printk (kernel/printk/printk.c:2504)
[   11.910358][  T317]  ? snapshot_read.cold (user.c:?)
[   11.910364][  T317]  ? 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)
[   11.910367][  T317] gact_init_module (net/sched/act_gact.c:180) act_gact
[   11.910370][  T317]  do_one_initcall (init/main.c:1357)
[   11.910372][  T317]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.910377][  T317]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.910381][  T317]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.910389][  T317]  do_init_module (kernel/module/main.c:3117)
[   11.910393][  T317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.910397][  T317]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.910401][  T317]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.910405][  T317]  load_module (kernel/module/main.c:3593)
[   11.910414][  T317]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.910420][  T317]  ? __ia32_sys_fsconfig (??:?)
[   11.910423][  T317]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.910427][  T317]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.910430][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.910434][  T317]  init_module_from_file (kernel/module/main.c:3790)
[   11.910438][  T317]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.910450][  T317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.910454][  T317]  ? 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)
[   11.910458][  T317]  idempotent_init_module (kernel/module/main.c:3802)
[   11.910461][  T317]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.910467][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.910470][  T317]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.910479][  T317]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.910482][  T317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.910486][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.910488][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.910491][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.910493][  T317] RIP: 0033:0x7fae7c4cd37d
[   11.910496][  T317] 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
[   11.910498][  T317] RSP: 002b:00007ffca44ee2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.910501][  T317] RAX: ffffffffffffffda RBX: 0000557e6d2e3810 RCX: 00007fae7c4cd37d
[   11.910503][  T317] RDX: 0000000000000000 RSI: 0000557e6011effd RDI: 0000000000000000
[   11.910504][  T317] RBP: 00007ffca44ee380 R08: 0000000000000000 R09: 0000000000000000
[   11.910506][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557e6011effd
[   11.910508][  T317] R13: 0000557e6d2e3960 R14: 0000000000040000 R15: 0000000000000000
| [   12.941700][  T400] softirqs last disabled at (11587): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.941703][  T400] Preemption disabled at:
| [   12.941704][  T400] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.941713][  T400] Tainted: [W]=WARN
[   12.941714][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.941716][  T400] Call Trace:
[   12.941717][  T400]  <TASK>
[   12.941719][  T400]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.941725][  T400]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.941727][  T400]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.941732][  T400]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.941736][  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)
[   12.941741][  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))
[   12.941743][  T400]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.941749][  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)
[   12.941752][  T400]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.941755][  T400]  put_chars (drivers/char/virtio_console.c:1176)
[   12.941757][  T400]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.941760][  T400]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.941763][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.941767][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.941770][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.941773][  T400]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.941777][  T400]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.941778][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.941780][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.941784][  T400]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.941786][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.941790][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.941792][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.941796][  T400]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.941800][  T400]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.941802][  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))
[   12.941805][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.941808][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.941812][  T400]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.941816][  T400]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.941818][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.941823][  T400]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.941826][  T400]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.941828][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.941831][  T400]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.941834][  T400]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.941836][  T400]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.941840][  T400]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.941844][  T400]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.941846][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.941851][  T400]  _printk (kernel/printk/printk.c:2504)
[   12.941855][  T400]  ? snapshot_read.cold (user.c:?)
[   12.941859][  T400]  ? br_multicast_flood (??:?) bridge
[   12.941872][  T400]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.941874][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.941875][  T400]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.941879][  T400] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.941891][  T400] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.941900][  T400] new_nbp (net/bridge/br_if.c:449) bridge
[   12.941909][  T400] br_add_if (net/bridge/br_if.c:592) bridge
[   12.941917][  T400]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.941921][  T400]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.941924][  T400]  ? __kernel_text_address (kernel/extable.c:79)
[   12.941928][  T400]  do_set_master (net/core/rtnetlink.c:3071)
[   12.941932][  T400]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.941936][  T400]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.941939][  T400]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.941940][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.941942][  T400]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.941946][  T400]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.941948][  T400]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.941950][  T400]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.941953][  T400]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.941956][  T400]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.941957][  T400]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.941960][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.941962][  T400]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.941965][  T400]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.941970][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.941972][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.941974][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.941977][  T400]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.941978][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.941980][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.941983][  T400]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.941987][  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)
[   12.941990][  T400]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.941992][  T400]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.941995][  T400]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.941997][  T400]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.942002][  T400]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.942007][  T400]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.942013][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.942015][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.942019][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.942021][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.942023][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.942025][  T400]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.942029][  T400]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.942031][  T400]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.942034][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.942035][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.942040][  T400]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.942042][  T400]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.942045][  T400]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.942047][  T400]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.942050][  T400]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.942061][  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))
[   12.942062][  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))
[   12.942067][  T400]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.942071][  T400]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.942073][  T400]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.942077][  T400]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.942081][  T400]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.942085][  T400]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.942091][  T400]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.942093][  T400]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.942095][  T400]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.942097][  T400]  ? move_addr_to_kernel (net/socket.c:258)
[   12.942104][  T400]  ___sys_sendmsg (net/socket.c:2767)
[   12.942107][  T400]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.942123][  T400]  __sys_sendmsg (net/socket.c:2799)
[   12.942126][  T400]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.942132][  T400]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.942136][  T400]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.942138][  T400]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.942142][  T400]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.942144][  T400] RIP: 0033:0x7f96558b054e
[   12.942147][  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
[   12.942149][  T400] RSP: 002b:00007ffc3b9b8070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.942152][  T400] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f96558b054e
[   12.942154][  T400] RDX: 0000000000000000 RSI: 00007ffc3b9b8120 RDI: 0000000000000005
[   12.942155][  T400] RBP: 00007ffc3b9b8080 R08: 0000000000000000 R09: 0000000000000000
[   12.942156][  T400] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a53
[   12.942156][  T400] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3b9b87e0
| [   28.539356][    C0] softirqs last disabled at (2282181): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.539357][    C0] Preemption disabled at:
| [   28.539358][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.539368][    C0] Tainted: [W]=WARN
[   28.539369][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.539371][    C0] Call Trace:
[   28.539372][    C0]  <IRQ>
[   28.539374][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.539379][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.539381][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.539384][    C0]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   28.539387][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.539390][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.539393][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539397][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.539400][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.539401][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.539405][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.539406][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.539409][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.539411][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.539412][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.539416][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.539420][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.539422][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539425][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.539428][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.539431][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.539433][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539434][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539436][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.539438][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.539440][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.539442][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.539444][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.539446][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.539448][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.539449][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539451][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.539452][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.539454][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.539456][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.539457][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.539460][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.539461][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539463][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.539465][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.539469][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.539472][    C0]  ? snapshot_read.cold (user.c:?)
[   28.539474][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.539478][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.539480][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.539482][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.539484][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.539487][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.539489][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.539490][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.539493][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.539494][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.539507][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539509][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.539510][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.539517][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.539519][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.539526][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.539532][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.539540][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.539543][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.539545][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.539548][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.539550][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.539551][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539554][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.539555][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.539562][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.539564][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.539566][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.539569][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.539571][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.539572][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.539574][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539576][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.539578][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.539579][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.539581][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.539583][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.539584][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.539587][    C0]  </IRQ>
[   28.539588][    C0]  <TASK>
[   28.539588][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.539590][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.539593][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.539595][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.539597][    C0] RSP: 0018:ffffffff8f607cf8 EFLAGS: 00000296
[   28.539600][    C0] RAX: 000000000022d2c3 RBX: ffffffff8f61c600 RCX: ffffffff8c6f0307
[   28.539601][    C0] RDX: ffffffff8f61c600 RSI: ffffffff8f438b01 RDI: ffffffff8ee8d8e0
[   28.539602][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.539603][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1ec0fa2
[   28.539604][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.539605][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.539609][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.539610][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.539612][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.539614][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.539615][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.539617][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.539619][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.539621][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.539623][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.539624][    C0]  rest_init (init/main.c:727)
[   28.539626][    C0]  ? __cpuidle_text_end (??:?)
[   28.539629][    C0]  ? rest_init (init/main.c:727)
[   28.539630][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.539634][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.539637][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.539639][    C0]  start_kernel (init/main.c:1185)
[   28.539641][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.539643][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.539645][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.608508][    C0]
| [   28.608581][    C0]
| [   28.608581][    C0] stack backtrace:
| [   28.608826][    C0] Tainted: [W]=WARN
[   28.608827][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.608829][    C0] Call Trace:
[   28.608830][    C0]  <IRQ>
[   28.608832][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.608836][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.608838][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.608841][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.608843][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.608845][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.608847][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.608849][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.608856][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.608859][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.608861][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.608867][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.608868][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.608874][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.608880][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.608886][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.608889][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.608890][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.608894][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.608896][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.608898][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.608900][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.608902][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.608908][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.608910][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.608914][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.608917][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.608919][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.608921][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.608923][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.608925][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.608927][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.608928][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.608930][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.608932][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.608933][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.608935][    C0]  </IRQ>
[   28.608935][    C0]  <TASK>
[   28.608936][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.608938][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.608939][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.608942][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.608944][    C0] RSP: 0018:ffffffff8f607cf8 EFLAGS: 00000296
[   28.608946][    C0] RAX: 000000000022d2c3 RBX: ffffffff8f61c600 RCX: ffffffff8c6f0307
[   28.608947][    C0] RDX: ffffffff8f61c600 RSI: ffffffff8f438b01 RDI: ffffffff8ee8d8e0
[   28.608948][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.608948][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1ec0fa2
[   28.608949][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.608951][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.608953][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.608954][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.608956][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.608958][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.608959][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.608961][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.608963][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.608965][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.608967][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.608968][    C0]  rest_init (init/main.c:727)
[   28.608970][    C0]  ? __cpuidle_text_end (??:?)
[   28.608973][    C0]  ? rest_init (init/main.c:727)
[   28.608975][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.608978][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.608981][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.608983][    C0]  start_kernel (init/main.c:1185)
[   28.608985][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.608987][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.608988][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   86.684613][  T787] softirqs last disabled at (0): 0x0
| [   86.684615][  T787] Preemption disabled at:
| [   86.684616][  T787] 0x0
| [   86.684624][  T787] Tainted: [W]=WARN
[   86.684625][  T787] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.684626][  T787] Call Trace:
[   86.684628][  T787]  <TASK>
[   86.684629][  T787]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.684634][  T787]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.684638][  T787]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.684641][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684645][  T787]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.684649][  T787]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.684651][  T787]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.684655][  T787]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.684656][  T787]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.684658][  T787]  put_chars (drivers/char/virtio_console.c:1176)
[   86.684660][  T787]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   86.684662][  T787]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.684664][  T787]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.684667][  T787]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.684670][  T787]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.684671][  T787]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   86.684673][  T787]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.684674][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684676][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684678][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684680][  T787]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.684682][  T787]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.684684][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684686][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684687][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684689][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684691][  T787]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.684692][  T787]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.684694][  T787]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.684697][  T787]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.684698][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684700][  T787]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.684701][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684703][  T787]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.684704][  T787]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   86.684705][  T787]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   86.684707][  T787]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.684709][  T787]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.684711][  T787]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.684715][  T787]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.684717][  T787]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   86.684720][  T787]  ? debug_object_activate (lib/debugobjects.c:884)
[   86.684722][  T787]  _printk (kernel/printk/printk.c:2504)
[   86.684726][  T787]  ? snapshot_read.cold (user.c:?)
[   86.684728][  T787]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.684729][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684731][  T787]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   86.684734][  T787] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   86.684747][  T787] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   86.684755][  T787] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   86.684761][  T787] br_dev_stop (net/bridge/br_device.c:193) bridge
[   86.684770][  T787]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.684773][  T787]  __dev_close_many (net/core/dev.c:1798)
[   86.684776][  T787]  ? netif_open (net/core/dev.c:1755)
[   86.684778][  T787]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[   86.684780][  T787]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   86.684782][  T787]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   86.684784][  T787]  ? __kernel_text_address (kernel/extable.c:79)
[   86.684786][  T787]  ? write_profile (profile.c:?)
[   86.684789][  T787]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.684791][  T787]  netif_change_flags (net/core/dev.c:9877)
[   86.684794][  T787]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   86.684795][  T787]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.684797][  T787]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.684798][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684800][  T787]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.684803][  T787]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.684805][  T787]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.684807][  T787]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.684808][  T787]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.684810][  T787]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   86.684811][  T787]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   86.684812][  T787]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.684813][  T787]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.684816][  T787]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.684817][  T787]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.684818][  T787]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.684821][  T787]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.684822][  T787]  ? __sys_sendmsg (net/socket.c:2799)
[   86.684824][  T787]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.684826][  T787]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.684829][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684830][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684832][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684833][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684835][  T787]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.684838][  T787]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   86.684840][  T787]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.684841][  T787]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.684843][  T787]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.684845][  T787]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.684847][  T787]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.684849][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684850][  T787]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.684852][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684853][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684855][  T787]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.684858][  T787]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.684860][  T787]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.684861][  T787]  ? __kernel_text_address (kernel/extable.c:79)
[   86.684862][  T787]  ? write_profile (profile.c:?)
[   86.684863][  T787]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.684864][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684866][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684868][  T787]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   86.684871][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684872][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684874][  T787]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.684875][  T787]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.684877][  T787]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.684878][  T787]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.684879][  T787]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.684882][  T787]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.684883][  T787]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.684884][  T787]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.684886][  T787]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.684887][  T787]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   86.684890][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684891][  T787]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.684893][  T787]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.684895][  T787]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.684897][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684898][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684900][  T787]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.684902][  T787]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.684903][  T787]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.684905][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684907][  T787]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.684909][  T787]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.684910][  T787]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.684912][  T787]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   86.684913][  T787]  ? move_addr_to_kernel (net/socket.c:258)
[   86.684915][  T787]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.684917][  T787]  ___sys_sendmsg (net/socket.c:2767)
[   86.684919][  T787]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.684924][  T787]  __sys_sendmsg (net/socket.c:2799)
[   86.684925][  T787]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.684928][  T787]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.684930][  T787]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.684931][  T787]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.684933][  T787]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.684935][  T787] RIP: 0033:0x7efecf2f454e
[   86.684936][  T787] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   86.684938][  T787] RSP: 002b:00007ffc61a56f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.684942][  T787] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efecf2f454e
[   86.684943][  T787] RDX: 0000000000000000 RSI: 00007ffc61a57040 RDI: 0000000000000005
[   86.684944][  T787] RBP: 00007ffc61a56fa0 R08: 0000000000000000 R09: 0000000000000000
[   86.684945][  T787] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910a9d


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