======================================
| [   10.359479][  T246] softirqs last disabled at (20557): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.359481][  T246] Preemption disabled at:
| [   10.359482][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.359491][  T246] Tainted: [W]=WARN
[   10.359492][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.359493][  T246] Call Trace:
[   10.359495][  T246]  <TASK>
[   10.359496][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.359502][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.359504][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.359509][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.359513][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.359518][  T246]  __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))
[   10.359521][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.359527][  T246]  ? 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)
[   10.359530][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.359533][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   10.359538][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.359540][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.359546][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.359550][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.359554][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.359557][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.359562][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.359564][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.359569][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.359574][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.359575][  T246]  ? 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))
[   10.359579][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.359581][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.359585][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.359589][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.359591][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.359596][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.359599][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.359601][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.359603][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.359607][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.359608][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.359612][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.359616][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.359625][  T246]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.359629][  T246]  _printk (kernel/printk/printk.c:2504)
[   10.359632][  T246]  ? snapshot_read.cold (user.c:?)
[   10.359638][  T246]  ? 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)
[   10.359641][  T246] 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
[   10.359644][  T246]  do_one_initcall (init/main.c:1357)
[   10.359647][  T246]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.359652][  T246]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.359655][  T246]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.359660][  T246]  do_init_module (kernel/module/main.c:3117)
[   10.359663][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.359668][  T246]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.359671][  T246]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.359675][  T246]  load_module (kernel/module/main.c:3593)
[   10.359682][  T246]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.359686][  T246]  ? __ia32_sys_fsconfig (??:?)
[   10.359689][  T246]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.359693][  T246]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.359696][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.359700][  T246]  init_module_from_file (kernel/module/main.c:3790)
[   10.359703][  T246]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.359711][  T246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.359715][  T246]  ? 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)
[   10.359718][  T246]  idempotent_init_module (kernel/module/main.c:3802)
[   10.359721][  T246]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.359727][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.359730][  T246]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.359736][  T246]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.359738][  T246]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.359742][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.359744][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.359746][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.359748][  T246] RIP: 0033:0x7f9ea49b737d
[   10.359752][  T246] 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
[   10.359754][  T246] RSP: 002b:00007ffd019dd688 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.359756][  T246] RAX: ffffffffffffffda RBX: 0000563a739c2810 RCX: 00007f9ea49b737d
[   10.359758][  T246] RDX: 0000000000000000 RSI: 0000563a3bda5ffd RDI: 0000000000000000
[   10.359759][  T246] RBP: 00007ffd019dd720 R08: 0000000000000000 R09: 0000000000000000
[   10.359759][  T246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a3bda5ffd
[   10.359760][  T246] R13: 0000563a739c2960 R14: 0000000000040000 R15: 0000000000000000
| [   11.509960][  T317] softirqs last disabled at (24669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.509962][  T317] Preemption disabled at:
| [   11.509963][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.509972][  T317] Tainted: [W]=WARN
[   11.509973][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.509975][  T317] Call Trace:
[   11.509976][  T317]  <TASK>
[   11.509978][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.509984][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.509986][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.509991][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.509995][  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)
[   11.510000][  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))
[   11.510003][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.510008][  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)
[   11.510011][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.510014][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   11.510017][  T317]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.510019][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.510022][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.510025][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.510030][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.510033][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510034][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510039][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.510040][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.510044][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510047][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.510051][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.510055][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.510057][  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))
[   11.510060][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510062][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.510066][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.510073][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.510075][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.510080][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.510083][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.510086][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510089][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.510096][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.510098][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.510102][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.510106][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.510111][  T317]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   11.510114][  T317]  _printk (kernel/printk/printk.c:2504)
[   11.510118][  T317]  ? snapshot_read.cold (user.c:?)
[   11.510124][  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)
[   11.510127][  T317] gact_init_module (net/sched/act_gact.c:180) act_gact
[   11.510129][  T317]  do_one_initcall (init/main.c:1357)
[   11.510132][  T317]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.510136][  T317]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.510140][  T317]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.510145][  T317]  do_init_module (kernel/module/main.c:3117)
[   11.510148][  T317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.510153][  T317]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.510156][  T317]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.510160][  T317]  load_module (kernel/module/main.c:3593)
[   11.510167][  T317]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.510171][  T317]  ? __ia32_sys_fsconfig (??:?)
[   11.510175][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.510177][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.510181][  T317]  init_module_from_file (kernel/module/main.c:3790)
[   11.510184][  T317]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.510192][  T317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.510196][  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)
[   11.510199][  T317]  idempotent_init_module (kernel/module/main.c:3802)
[   11.510203][  T317]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.510209][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.510211][  T317]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.510218][  T317]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.510220][  T317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.510224][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.510226][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.510228][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.510230][  T317] RIP: 0033:0x7f9310cfa37d
[   11.510234][  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
[   11.510236][  T317] RSP: 002b:00007ffc4d89f1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.510238][  T317] RAX: ffffffffffffffda RBX: 000055d665107810 RCX: 00007f9310cfa37d
[   11.510240][  T317] RDX: 0000000000000000 RSI: 000055d6436cdffd RDI: 0000000000000000
[   11.510241][  T317] RBP: 00007ffc4d89f240 R08: 0000000000000000 R09: 0000000000000000
[   11.510242][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d6436cdffd
[   11.510242][  T317] R13: 000055d665107960 R14: 0000000000040000 R15: 0000000000000000
| [   12.534017][  T401] softirqs last disabled at (15284): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.534020][  T401] Preemption disabled at:
| [   12.534021][  T401] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.534030][  T401] Tainted: [W]=WARN
[   12.534031][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.534033][  T401] Call Trace:
[   12.534035][  T401]  <TASK>
[   12.534036][  T401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.534042][  T401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.534045][  T401]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.534049][  T401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.534053][  T401]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.534059][  T401]  __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))
[   12.534061][  T401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.534067][  T401]  ? 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)
[   12.534073][  T401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.534076][  T401]  put_chars (drivers/char/virtio_console.c:1176)
[   12.534079][  T401]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.534081][  T401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.534084][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.534089][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.534091][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.534095][  T401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.534098][  T401]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.534100][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534102][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534106][  T401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.534108][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.534112][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534114][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.534118][  T401]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.534122][  T401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.534124][  T401]  ? 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))
[   12.534128][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534130][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.534134][  T401]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.534139][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.534141][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534147][  T401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.534150][  T401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.534152][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534154][  T401]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.534157][  T401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.534159][  T401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.534163][  T401]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.534167][  T401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.534169][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.534174][  T401]  _printk (kernel/printk/printk.c:2504)
[   12.534178][  T401]  ? snapshot_read.cold (user.c:?)
[   12.534182][  T401]  ? br_multicast_flood (??:?) bridge
[   12.534195][  T401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.534196][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.534197][  T401]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.534202][  T401] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.534212][  T401] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.534220][  T401] new_nbp (net/bridge/br_if.c:449) bridge
[   12.534230][  T401] br_add_if (net/bridge/br_if.c:592) bridge
[   12.534237][  T401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.534241][  T401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.534244][  T401]  ? __kernel_text_address (kernel/extable.c:79)
[   12.534248][  T401]  do_set_master (net/core/rtnetlink.c:3071)
[   12.534253][  T401]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.534256][  T401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.534259][  T401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.534260][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.534262][  T401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.534266][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.534268][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.534270][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.534272][  T401]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.534276][  T401]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.534277][  T401]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.534280][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534282][  T401]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.534285][  T401]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.534289][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.534291][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.534294][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534296][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.534298][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534300][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534302][  T401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.534305][  T401]  ? __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)
[   12.534309][  T401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.534311][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.534314][  T401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.534316][  T401]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.534320][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.534325][  T401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.534331][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.534332][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534337][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.534339][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.534341][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.534342][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.534346][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.534348][  T401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.534351][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.534352][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534357][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.534359][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.534362][  T401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.534364][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.534367][  T401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.534373][  T401]  ? 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))
[   12.534375][  T401]  ? 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))
[   12.534379][  T401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.534382][  T401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.534385][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.534389][  T401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.534393][  T401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.534397][  T401]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.534402][  T401]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.534404][  T401]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.534407][  T401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.534408][  T401]  ? move_addr_to_kernel (net/socket.c:258)
[   12.534415][  T401]  ___sys_sendmsg (net/socket.c:2767)
[   12.534418][  T401]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.534433][  T401]  __sys_sendmsg (net/socket.c:2799)
[   12.534436][  T401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.534442][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.534446][  T401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.534448][  T401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.534451][  T401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.534453][  T401] RIP: 0033:0x7f4a7560554e
[   12.534457][  T401] 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
[   12.534459][  T401] RSP: 002b:00007ffc9bae7050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.534462][  T401] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4a7560554e
[   12.534463][  T401] RDX: 0000000000000000 RSI: 00007ffc9bae7100 RDI: 0000000000000005
[   12.534464][  T401] RBP: 00007ffc9bae7060 R08: 0000000000000000 R09: 0000000000000000
[   12.534465][  T401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156e6
[   12.534466][  T401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9bae77c0
| [   28.138174][    C0] softirqs last disabled at (841603): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.138176][    C0] Preemption disabled at:
| [   28.138176][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.138186][    C0] Tainted: [W]=WARN
[   28.138187][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.138189][    C0] Call Trace:
[   28.138190][    C0]  <IRQ>
[   28.138192][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.138198][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.138199][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.138203][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.138206][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.138210][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138213][    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))
[   28.138217][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.138220][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.138223][    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)
[   28.138225][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.138227][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.138229][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.138231][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.138235][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.138238][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.138239][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138241][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.138243][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.138246][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.138248][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138249][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138251][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.138253][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.138255][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.138257][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.138260][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.138262][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.138263][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.138265][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138266][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.138268][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.138270][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.138272][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.138274][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.138276][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.138278][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138279][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.138281][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.138285][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.138289][    C0]  ? snapshot_read.cold (user.c:?)
[   28.138290][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.138294][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.138296][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.138298][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.138301][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.138304][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.138305][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.138307][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.138309][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.138311][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.138324][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138326][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.138327][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.138334][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.138335][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.138341][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.138347][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.138353][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.138357][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.138359][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.138362][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.138364][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.138366][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138368][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.138370][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.138377][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.138378][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.138381][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.138383][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.138385][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.138387][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.138389][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138391][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.138393][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.138395][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.138397][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.138398][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.138400][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.138403][    C0]  </IRQ>
[   28.138403][    C0]  <TASK>
[   28.138404][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.138405][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.138408][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.138410][    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
[   28.138412][    C0] RSP: 0018:ffffffff8de07cf8 EFLAGS: 00000296
[   28.138415][    C0] RAX: 00000000000cd781 RBX: ffffffff8de1c600 RCX: ffffffff8aef0307
[   28.138416][    C0] RDX: ffffffff8de1c600 RSI: ffffffff8dc38b01 RDI: ffffffff8d68d8e0
[   28.138417][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.138418][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1bc0fa2
[   28.138419][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.138420][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.138423][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.138425][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.138427][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.138428][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.138430][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.138431][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.138434][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.138436][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.138437][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.138439][    C0]  rest_init (init/main.c:727)
[   28.138441][    C0]  ? __cpuidle_text_end (??:?)
[   28.138443][    C0]  ? rest_init (init/main.c:727)
[   28.138445][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.138449][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.138451][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.138454][    C0]  start_kernel (init/main.c:1185)
[   28.138456][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.138458][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.138460][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.208354][    C0]
| [   28.208426][    C0]
| [   28.208426][    C0] stack backtrace:
| [   28.208612][    C0] Tainted: [W]=WARN
[   28.208613][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.208614][    C0] Call Trace:
[   28.208615][    C0]  <IRQ>
[   28.208616][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.208621][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.208623][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.208626][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.208628][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.208629][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.208631][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.208633][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.208640][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.208643][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.208645][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.208651][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.208653][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.208659][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.208665][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.208672][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.208674][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.208676][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.208679][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.208681][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.208683][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.208685][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.208687][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.208693][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.208695][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.208698][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.208700][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.208702][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.208704][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.208706][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.208708][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.208709][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.208716][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.208718][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.208719][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.208721][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.208723][    C0]  </IRQ>
[   28.208723][    C0]  <TASK>
[   28.208724][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.208725][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.208727][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.208729][    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
[   28.208730][    C0] RSP: 0018:ffffffff8de07cf8 EFLAGS: 00000296
[   28.208732][    C0] RAX: 00000000000cd781 RBX: ffffffff8de1c600 RCX: ffffffff8aef0307
[   28.208733][    C0] RDX: ffffffff8de1c600 RSI: ffffffff8dc38b01 RDI: ffffffff8d68d8e0
[   28.208734][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.208735][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1bc0fa2
[   28.208736][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.208737][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.208739][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.208741][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.208743][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.208744][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.208746][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.208747][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.208750][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.208752][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.208753][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.208755][    C0]  rest_init (init/main.c:727)
[   28.208757][    C0]  ? __cpuidle_text_end (??:?)
[   28.208759][    C0]  ? rest_init (init/main.c:727)
[   28.208761][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.208765][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.208768][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.208770][    C0]  start_kernel (init/main.c:1185)
[   28.208772][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.208773][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.208775][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   36.859984][  T566] softirqs last disabled at (0): 0x0
| [   36.859986][  T566] Preemption disabled at:
| [   36.859987][  T566] 0x0
| [   36.859995][  T566] Tainted: [W]=WARN
[   36.859996][  T566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.859998][  T566] Call Trace:
[   36.860000][  T566]  <TASK>
[   36.860001][  T566]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.860006][  T566]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.860010][  T566]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.860014][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860018][  T566]  __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))
[   36.860021][  T566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.860024][  T566]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.860028][  T566]  ? 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)
[   36.860029][  T566]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.860031][  T566]  put_chars (drivers/char/virtio_console.c:1176)
[   36.860033][  T566]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   36.860035][  T566]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.860037][  T566]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   36.860040][  T566]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.860043][  T566]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.860044][  T566]  ? 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)
[   36.860046][  T566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.860047][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860049][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860050][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860053][  T566]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.860055][  T566]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.860057][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860058][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860060][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860061][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860063][  T566]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   36.860065][  T566]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.860067][  T566]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.860070][  T566]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.860074][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860075][  T566]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.860077][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860078][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.860080][  T566]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.860081][  T566]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   36.860083][  T566]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.860086][  T566]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.860088][  T566]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.860093][  T566]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.860095][  T566]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   36.860100][  T566]  ? debug_object_activate (lib/debugobjects.c:884)
[   36.860103][  T566]  _printk (kernel/printk/printk.c:2504)
[   36.860107][  T566]  ? snapshot_read.cold (user.c:?)
[   36.860109][  T566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   36.860110][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860112][  T566]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.860115][  T566] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   36.860128][  T566] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   36.860136][  T566] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   36.860143][  T566] br_dev_stop (net/bridge/br_device.c:193) bridge
[   36.860151][  T566]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   36.860154][  T566]  __dev_close_many (net/core/dev.c:1798)
[   36.860158][  T566]  ? netif_open (net/core/dev.c:1755)
[   36.860160][  T566]  ? 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)
[   36.860162][  T566]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   36.860164][  T566]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   36.860166][  T566]  ? __kernel_text_address (kernel/extable.c:79)
[   36.860169][  T566]  ? write_profile (profile.c:?)
[   36.860171][  T566]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.860174][  T566]  netif_change_flags (net/core/dev.c:9877)
[   36.860176][  T566]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.860178][  T566]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.860180][  T566]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.860181][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860182][  T566]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.860185][  T566]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.860188][  T566]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.860190][  T566]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.860191][  T566]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.860193][  T566]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   36.860194][  T566]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   36.860195][  T566]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.860197][  T566]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.860199][  T566]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.860201][  T566]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.860202][  T566]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.860204][  T566]  ? ___sys_sendmsg (net/socket.c:2767)
[   36.860206][  T566]  ? __sys_sendmsg (net/socket.c:2799)
[   36.860207][  T566]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.860210][  T566]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.860212][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860214][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860215][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860217][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860219][  T566]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.860222][  T566]  ? __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)
[   36.860224][  T566]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.860225][  T566]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.860226][  T566]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.860228][  T566]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.860230][  T566]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.860232][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860234][  T566]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.860235][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860236][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860238][  T566]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   36.860241][  T566]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   36.860243][  T566]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   36.860244][  T566]  ? __kernel_text_address (kernel/extable.c:79)
[   36.860246][  T566]  ? write_profile (profile.c:?)
[   36.860247][  T566]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.860248][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860250][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860251][  T566]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   36.860255][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860256][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860258][  T566]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.860259][  T566]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.860260][  T566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.860262][  T566]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.860263][  T566]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   36.860265][  T566]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.860267][  T566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.860268][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.860270][  T566]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.860271][  T566]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   36.860273][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860275][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.860277][  T566]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.860279][  T566]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.860280][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860282][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860284][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.860285][  T566]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.860287][  T566]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.860289][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860291][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   36.860292][  T566]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.860294][  T566]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.860296][  T566]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.860297][  T566]  ? move_addr_to_kernel (net/socket.c:258)
[   36.860298][  T566]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   36.860301][  T566]  ___sys_sendmsg (net/socket.c:2767)
[   36.860302][  T566]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.860307][  T566]  __sys_sendmsg (net/socket.c:2799)
[   36.860309][  T566]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.860312][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.860314][  T566]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.860315][  T566]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.860317][  T566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.860318][  T566] RIP: 0033:0x7fbfaa27754e
[   36.860320][  T566] 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
[   36.860322][  T566] RSP: 002b:00007fffff707e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.860326][  T566] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbfaa27754e
[   36.860327][  T566] RDX: 0000000000000000 RSI: 00007fffff707f40 RDI: 0000000000000005
[   36.860328][  T566] RBP: 00007fffff707ea0 R08: 0000000000000000 R09: 0000000000000000
[   36.860329][  T566] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9156ff


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
__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