======================================
| [    9.982900][  T187] softirqs last disabled at (28585): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.982903][  T187] Preemption disabled at:
| [    9.982903][  T187] 0x0
| [    9.982913][  T187] Tainted: [W]=WARN
[    9.982914][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.982915][  T187] Call Trace:
[    9.982917][  T187]  <TASK>
[    9.982919][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.982925][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.982929][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.982933][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.982938][  T187]  __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))
[    9.982941][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.982947][  T187]  ? 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)
[    9.982949][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.982952][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.982955][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.982957][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.982962][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.982967][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.982973][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.982975][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.982978][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.982982][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.982986][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.982987][  T187]  ? 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))
[    9.982991][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.982993][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.982997][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.983001][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.983003][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.983008][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.983010][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.983012][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.983014][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.983018][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.983020][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.983023][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.983027][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.983030][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.983034][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.983038][  T187]  ? snapshot_read.cold (user.c:?)
[    9.983041][  T187]  ? 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)
[    9.983043][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.983047][  T187]  ? 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)
[    9.983050][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.983053][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.983055][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.983058][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.983062][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.983065][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.983066][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.983069][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.983072][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.983075][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.983077][  T187] RIP: 0033:0x7fea409e01b8
[    9.983079][  T187] Code: Unable to access opcode bytes at 0x7fea409e018e.

Code starting with the faulting instruction
===========================================
[    9.983080][  T187] RSP: 002b:00007ffdd4d2e4c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.983083][  T187] RAX: ffffffffffffffda RBX: 00007fea40b10f88 RCX: 00007fea409e01b8
[    9.983084][  T187] RDX: 00007fea4072afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.983085][  T187] RBP: 00007ffdd4d2e520 R08: 0000000000000000 R09: 0000000000008010
[    9.983086][  T187] R10: 00007ffdd4d2e2e0 R11: 0000000000000246 R12: 0000000000000001
[    9.983087][  T187] R13: 0000000000000000 R14: 00007fea40b0f680 R15: 00007fea40b10fa0
| [   11.175573][  T229] softirqs last disabled at (22891): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.175575][  T229] Preemption disabled at:
| [   11.175576][  T229] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.175585][  T229] Tainted: [W]=WARN
[   11.175586][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.175588][  T229] Call Trace:
[   11.175589][  T229]  <TASK>
[   11.175591][  T229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.175596][  T229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.175598][  T229]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.175603][  T229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.175606][  T229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.175612][  T229]  __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))
[   11.175614][  T229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.175619][  T229]  ? 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)
[   11.175622][  T229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.175625][  T229]  put_chars (drivers/char/virtio_console.c:1176)
[   11.175628][  T229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.175629][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.175634][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.175636][  T229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.175640][  T229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.175643][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.175648][  T229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.175650][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.175655][  T229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.175658][  T229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.175660][  T229]  ? 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))
[   11.175663][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.175665][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.175669][  T229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.175673][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.175675][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.175680][  T229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.175682][  T229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.175684][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.175686][  T229]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.175690][  T229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.175691][  T229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.175694][  T229]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.175698][  T229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.175703][  T229]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.175707][  T229]  _printk (kernel/printk/printk.c:2504)
[   11.175710][  T229]  ? snapshot_read.cold (user.c:?)
[   11.175716][  T229]  ? 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)
[   11.175719][  T229] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.175722][  T229]  do_one_initcall (init/main.c:1357)
[   11.175724][  T229]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.175729][  T229]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.175732][  T229]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.175736][  T229]  do_init_module (kernel/module/main.c:3117)
[   11.175740][  T229]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.175744][  T229]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.175747][  T229]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.175751][  T229]  load_module (kernel/module/main.c:3593)
[   11.175758][  T229]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.175762][  T229]  ? __ia32_sys_fsconfig (??:?)
[   11.175765][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.175768][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.175771][  T229]  init_module_from_file (kernel/module/main.c:3790)
[   11.175774][  T229]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.175782][  T229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.175786][  T229]  ? 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)
[   11.175788][  T229]  idempotent_init_module (kernel/module/main.c:3802)
[   11.175792][  T229]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.175798][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.175800][  T229]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.175806][  T229]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.175808][  T229]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.175811][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.175813][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.175816][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.175818][  T229] RIP: 0033:0x7fa3ef9f937d
[   11.175821][  T229] 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
[   11.175823][  T229] RSP: 002b:00007ffe5d14c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.175826][  T229] RAX: ffffffffffffffda RBX: 000055f4cb386810 RCX: 00007fa3ef9f937d
[   11.175827][  T229] RDX: 0000000000000000 RSI: 000055f4c349bffd RDI: 0000000000000000
[   11.175828][  T229] RBP: 00007ffe5d14c7d0 R08: 0000000000000000 R09: 0000000000000000
[   11.175829][  T229] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4c349bffd
[   11.175830][  T229] R13: 000055f4cb386960 R14: 0000000000040000 R15: 0000000000000000
| [   12.785082][  T280] softirqs last disabled at (14420): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.785084][  T280] Preemption disabled at:
| [   12.785085][  T280] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.785095][  T280] Tainted: [W]=WARN
[   12.785095][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.785097][  T280] Call Trace:
[   12.785099][  T280]  <TASK>
[   12.785100][  T280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.785106][  T280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.785108][  T280]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.785113][  T280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.785117][  T280]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.785122][  T280]  __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))
[   12.785125][  T280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.785130][  T280]  ? 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)
[   12.785133][  T280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.785136][  T280]  put_chars (drivers/char/virtio_console.c:1176)
[   12.785139][  T280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.785144][  T280]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.785147][  T280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.785150][  T280]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.785152][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785154][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785158][  T280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.785160][  T280]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.785163][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785167][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.785171][  T280]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.785175][  T280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.785177][  T280]  ? 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))
[   12.785180][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785183][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.785187][  T280]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.785191][  T280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.785193][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785198][  T280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.785201][  T280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.785203][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785205][  T280]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.785209][  T280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.785211][  T280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.785214][  T280]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.785218][  T280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.785221][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.785222][  T280]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.785227][  T280]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.785231][  T280]  _printk (kernel/printk/printk.c:2504)
[   12.785234][  T280]  ? snapshot_read.cold (user.c:?)
[   12.785238][  T280]  ? br_multicast_flood (??:?) bridge
[   12.785257][  T280]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.785259][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.785260][  T280]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.785265][  T280] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.785275][  T280] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.785283][  T280] new_nbp (net/bridge/br_if.c:449) bridge
[   12.785292][  T280] br_add_if (net/bridge/br_if.c:592) bridge
[   12.785301][  T280]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.785305][  T280]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.785308][  T280]  ? __kernel_text_address (kernel/extable.c:79)
[   12.785312][  T280]  do_set_master (net/core/rtnetlink.c:3071)
[   12.785317][  T280]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.785320][  T280]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.785323][  T280]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.785324][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.785327][  T280]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.785330][  T280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.785333][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.785335][  T280]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.785338][  T280]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.785341][  T280]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.785342][  T280]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.785345][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785347][  T280]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.785350][  T280]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.785355][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.785357][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.785359][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785362][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.785363][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785365][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785368][  T280]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.785371][  T280]  ? __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)
[   12.785373][  T280]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.785375][  T280]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.785379][  T280]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.785380][  T280]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.785386][  T280]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.785391][  T280]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.785396][  T280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.785398][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785403][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.785405][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.785407][  T280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.785409][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.785412][  T280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.785414][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.785418][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.785419][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785423][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.785425][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.785429][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.785431][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.785433][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.785440][  T280]  ? 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))
[   12.785441][  T280]  ? 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))
[   12.785446][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.785449][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.785452][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.785456][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.785460][  T280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.785464][  T280]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.785470][  T280]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.785472][  T280]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.785474][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.785476][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   12.785484][  T280]  ___sys_sendmsg (net/socket.c:2767)
[   12.785487][  T280]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.785503][  T280]  __sys_sendmsg (net/socket.c:2799)
[   12.785506][  T280]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.785512][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.785516][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.785518][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.785522][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.785524][  T280] RIP: 0033:0x7f744bab154e
[   12.785528][  T280] 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
[   12.785529][  T280] RSP: 002b:00007fffb95f1bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.785532][  T280] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f744bab154e
[   12.785534][  T280] RDX: 0000000000000000 RSI: 00007fffb95f1ca0 RDI: 0000000000000005
[   12.785534][  T280] RBP: 00007fffb95f1c00 R08: 0000000000000000 R09: 0000000000000000
[   12.785535][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af57
[   12.785536][  T280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb95f2360
| [   14.740833][  T342] softirqs last disabled at (19186): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.740835][  T342] Preemption disabled at:
| [   14.740836][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.740845][  T342] Tainted: [W]=WARN
[   14.740846][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.740848][  T342] Call Trace:
[   14.740849][  T342]  <TASK>
[   14.740851][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.740857][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.740859][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.740863][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.740868][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.740873][  T342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.740875][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.740881][  T342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.740884][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.740887][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   14.740889][  T342]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.740891][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.740894][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.740898][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.740901][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.740904][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.740907][  T342]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.740909][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740911][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740914][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.740916][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.740920][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740922][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.740926][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.740930][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.740932][  T342]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.740935][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740937][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.740941][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.740945][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.740947][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.740952][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.740955][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.740957][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.740959][  T342]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.740963][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.740964][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.740968][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.740972][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.740974][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.740977][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.740980][  T342]  _printk (kernel/printk/printk.c:2504)
[   14.740984][  T342]  ? snapshot_read.cold (user.c:?)
[   14.740988][  T342]  ? br_multicast_flood (??:?) bridge
[   14.741001][  T342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.741002][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.741003][  T342]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.741007][  T342] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.741017][  T342] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.741025][  T342] new_nbp (net/bridge/br_if.c:449) bridge
[   14.741034][  T342] br_add_if (net/bridge/br_if.c:592) bridge
[   14.741041][  T342]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.741045][  T342]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.741048][  T342]  ? __kernel_text_address (kernel/extable.c:79)
[   14.741051][  T342]  do_set_master (net/core/rtnetlink.c:3071)
[   14.741056][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.741059][  T342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.741062][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.741063][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.741065][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.741069][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.741072][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.741073][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.741076][  T342]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.741079][  T342]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.741080][  T342]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.741083][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.741085][  T342]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.741088][  T342]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.741092][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.741094][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.741097][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.741099][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.741100][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.741102][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.741104][  T342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.741108][  T342]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.741111][  T342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.741113][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.741117][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.741118][  T342]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.741123][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.741128][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.741133][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.741135][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.741139][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.741141][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.741143][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.741145][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.741148][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.741150][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.741153][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.741154][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.741159][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.741161][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.741164][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.741166][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.741168][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.741174][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.741176][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.741180][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.741184][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.741186][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.741190][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.741194][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.741197][  T342]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.741203][  T342]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.741205][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.741207][  T342]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.741209][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   14.741216][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   14.741219][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.741234][  T342]  __sys_sendmsg (net/socket.c:2799)
[   14.741237][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.741243][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.741246][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.741248][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.741251][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.741262][  T342] RIP: 0033:0x7f05fdb4154e
[   14.741265][  T342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.741267][  T342] RSP: 002b:00007ffdf1d86150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.741270][  T342] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f05fdb4154e
[   14.741271][  T342] RDX: 0000000000000000 RSI: 00007ffdf1d86200 RDI: 0000000000000005
[   14.741272][  T342] RBP: 00007ffdf1d86160 R08: 0000000000000000 R09: 0000000000000000
[   14.741273][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af58
[   14.741274][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf1d868c0
| [   16.475435][  T398] softirqs last disabled at (12106): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.475438][  T398] Preemption disabled at:
| [   16.475438][  T398] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.475448][  T398] Tainted: [W]=WARN
[   16.475449][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.475450][  T398] Call Trace:
[   16.475452][  T398]  <TASK>
[   16.475454][  T398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.475459][  T398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.475461][  T398]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.475466][  T398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.475470][  T398]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.475475][  T398]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.475477][  T398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.475483][  T398]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.475486][  T398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.475489][  T398]  put_chars (drivers/char/virtio_console.c:1176)
[   16.475490][  T398]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.475492][  T398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.475495][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.475499][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.475502][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.475505][  T398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.475508][  T398]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.475510][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475511][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475515][  T398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.475517][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.475520][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475522][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475526][  T398]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.475530][  T398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.475531][  T398]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.475534][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475537][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475540][  T398]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.475544][  T398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.475546][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475551][  T398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.475554][  T398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.475555][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475558][  T398]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.475561][  T398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.475563][  T398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.475566][  T398]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.475570][  T398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.475572][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475575][  T398]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.475578][  T398]  _printk (kernel/printk/printk.c:2504)
[   16.475582][  T398]  ? snapshot_read.cold (user.c:?)
[   16.475586][  T398]  ? br_multicast_flood (??:?) bridge
[   16.475598][  T398]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.475599][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.475600][  T398]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.475605][  T398] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.475614][  T398] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.475622][  T398] new_nbp (net/bridge/br_if.c:449) bridge
[   16.475631][  T398] br_add_if (net/bridge/br_if.c:592) bridge
[   16.475638][  T398]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.475642][  T398]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.475644][  T398]  ? __kernel_text_address (kernel/extable.c:79)
[   16.475648][  T398]  do_set_master (net/core/rtnetlink.c:3071)
[   16.475653][  T398]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.475656][  T398]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.475659][  T398]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.475660][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.475662][  T398]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.475665][  T398]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.475668][  T398]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.475669][  T398]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.475672][  T398]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.475675][  T398]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.475677][  T398]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.475679][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475681][  T398]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   16.475684][  T398]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.475689][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475691][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.475693][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475695][  T398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.475697][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475699][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475701][  T398]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.475705][  T398]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.475708][  T398]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.475710][  T398]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.475713][  T398]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.475715][  T398]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.475720][  T398]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.475724][  T398]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.475729][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.475731][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475735][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475737][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475739][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.475741][  T398]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.475744][  T398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.475746][  T398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.475749][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.475750][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475755][  T398]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.475756][  T398]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.475760][  T398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.475761][  T398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.475764][  T398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.475770][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.475771][  T398]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.475775][  T398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.475779][  T398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.475781][  T398]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.475785][  T398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.475789][  T398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.475793][  T398]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.475798][  T398]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.475800][  T398]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.475802][  T398]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.475803][  T398]  ? move_addr_to_kernel (net/socket.c:258)
[   16.475810][  T398]  ___sys_sendmsg (net/socket.c:2767)
[   16.475813][  T398]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.475828][  T398]  __sys_sendmsg (net/socket.c:2799)
[   16.475831][  T398]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.475837][  T398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.475840][  T398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.475842][  T398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.475845][  T398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.475847][  T398] RIP: 0033:0x7f6b0292b54e
[   16.475851][  T398] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.475853][  T398] RSP: 002b:00007ffd0bbac920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.475855][  T398] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f6b0292b54e
[   16.475857][  T398] RDX: 0000000000000000 RSI: 00007ffd0bbac9d0 RDI: 0000000000000005
[   16.475858][  T398] RBP: 00007ffd0bbac930 R08: 0000000000000000 R09: 0000000000000000
[   16.475859][  T398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af5a
[   16.475859][  T398] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0bbad090
| [   25.820248][  T509] softirqs last disabled at (15525): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.820250][  T509] Preemption disabled at:
| [   25.820250][  T509] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.820260][  T509] Tainted: [W]=WARN
[   25.820261][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.820263][  T509] Call Trace:
[   25.820264][  T509]  <TASK>
[   25.820266][  T509]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.820271][  T509]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.820273][  T509]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.820283][  T509]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.820287][  T509]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.820292][  T509]  __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))
[   25.820294][  T509]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.820303][  T509]  ? 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)
[   25.820306][  T509]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.820309][  T509]  put_chars (drivers/char/virtio_console.c:1176)
[   25.820311][  T509]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.820313][  T509]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.820316][  T509]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.820320][  T509]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.820324][  T509]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.820327][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.820328][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.820332][  T509]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.820334][  T509]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.820337][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.820339][  T509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.820343][  T509]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.820347][  T509]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.820349][  T509]  ? 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))
[   25.820352][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.820354][  T509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.820358][  T509]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.820362][  T509]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.820363][  T509]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.820368][  T509]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.820371][  T509]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.820373][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.820375][  T509]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.820378][  T509]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.820380][  T509]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.820383][  T509]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.820387][  T509]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.820392][  T509]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   25.820395][  T509]  _printk (kernel/printk/printk.c:2504)
[   25.820399][  T509]  ? snapshot_read.cold (user.c:?)
[   25.820405][  T509]  ? 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)
[   25.820408][  T509] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.820411][  T509]  do_one_initcall (init/main.c:1357)
[   25.820413][  T509]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.820418][  T509]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.820421][  T509]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.820425][  T509]  do_init_module (kernel/module/main.c:3117)
[   25.820429][  T509]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.820433][  T509]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.820436][  T509]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.820440][  T509]  load_module (kernel/module/main.c:3593)
[   25.820447][  T509]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.820450][  T509]  ? __ia32_sys_fsconfig (??:?)
[   25.820454][  T509]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.820456][  T509]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.820460][  T509]  init_module_from_file (kernel/module/main.c:3790)
[   25.820463][  T509]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.820471][  T509]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.820474][  T509]  ? 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)
[   25.820477][  T509]  idempotent_init_module (kernel/module/main.c:3802)
[   25.820480][  T509]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.820486][  T509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.820489][  T509]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.820495][  T509]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.820497][  T509]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.820500][  T509]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.820502][  T509]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.820505][  T509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.820507][  T509] RIP: 0033:0x7f036e09837d
[   25.820511][  T509] 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
[   25.820512][  T509] RSP: 002b:00007ffd65eeff98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.820515][  T509] RAX: ffffffffffffffda RBX: 000055e11ebd1810 RCX: 00007f036e09837d
[   25.820516][  T509] RDX: 0000000000000000 RSI: 000055e1003e2ffd RDI: 0000000000000000
[   25.820517][  T509] RBP: 00007ffd65ef0030 R08: 0000000000000000 R09: 0000000000000000
[   25.820518][  T509] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e1003e2ffd
[   25.820519][  T509] R13: 000055e11ebd1960 R14: 0000000000040000 R15: 0000000000000000
| [   28.141401][    C0] softirqs last disabled at (997629): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.141403][    C0] Preemption disabled at:
| [   28.141403][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.141413][    C0] Tainted: [W]=WARN
[   28.141414][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.141416][    C0] Call Trace:
[   28.141418][    C0]  <IRQ>
[   28.141420][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.141425][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.141427][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.141430][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.141434][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.141437][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141441][    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))
[   28.141444][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.141447][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.141450][    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)
[   28.141452][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.141454][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.141456][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.141458][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.141461][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.141465][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.141466][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141468][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.141470][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.141473][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.141474][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141476][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141478][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.141480][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.141481][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.141484][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.141486][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.141488][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.141490][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.141491][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141493][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.141494][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.141496][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.141498][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.141500][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.141502][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.141504][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141506][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.141507][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.141512][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.141515][    C0]  ? snapshot_read.cold (user.c:?)
[   28.141517][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.141521][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.141523][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.141525][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.141527][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.141530][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.141532][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.141534][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.141536][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.141538][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.141550][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141552][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.141554][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.141561][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.141563][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.141569][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.141575][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.141581][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.141585][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.141586][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.141590][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.141591][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.141593][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141595][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.141597][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.141604][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.141605][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.141608][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.141610][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.141612][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.141614][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.141616][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141618][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.141620][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.141621][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.141623][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.141625][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.141626][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.141629][    C0]  </IRQ>
[   28.141630][    C0]  <TASK>
[   28.141630][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.141632][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.141634][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.141637][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   28.141639][    C0] RSP: 0018:ffffffff97407cf8 EFLAGS: 00000296
[   28.141642][    C0] RAX: 00000000000f38fb RBX: ffffffff9741c600 RCX: ffffffff944f0307
[   28.141643][    C0] RDX: ffffffff9741c600 RSI: ffffffff97238af6 RDI: ffffffff96c8d8e0
[   28.141644][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.141645][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2e80fa2
[   28.141646][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.141647][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.141650][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.141652][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.141653][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.141655][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.141657][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.141658][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.141661][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.141663][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.141664][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.141666][    C0]  rest_init (init/main.c:727)
[   28.141668][    C0]  ? __cpuidle_text_end (??:?)
[   28.141670][    C0]  ? rest_init (init/main.c:727)
[   28.141672][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.141676][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.141678][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.141681][    C0]  start_kernel (init/main.c:1185)
[   28.141683][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.141685][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.141686][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.204964][    C0]
| [   28.205040][    C0]
| [   28.205040][    C0] stack backtrace:
| [   28.205278][    C0] Tainted: [W]=WARN
[   28.205279][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.205281][    C0] Call Trace:
[   28.205286][    C0]  <IRQ>
[   28.205287][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.205291][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.205294][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.205297][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.205299][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.205301][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.205303][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.205305][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.205312][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.205315][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.205317][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.205323][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.205324][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.205330][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.205336][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.205342][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.205345][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.205346][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.205350][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.205352][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.205354][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.205356][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.205358][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.205364][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.205366][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.205369][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.205371][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.205373][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.205375][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.205377][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.205379][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.205380][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.205382][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.205384][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.205385][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.205387][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.205388][    C0]  </IRQ>
[   28.205389][    C0]  <TASK>
[   28.205390][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.205391][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.205393][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.205395][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   28.205397][    C0] RSP: 0018:ffffffff97407cf8 EFLAGS: 00000296
[   28.205399][    C0] RAX: 00000000000f38fb RBX: ffffffff9741c600 RCX: ffffffff944f0307
[   28.205400][    C0] RDX: ffffffff9741c600 RSI: ffffffff97238af6 RDI: ffffffff96c8d8e0
[   28.205401][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.205402][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2e80fa2
[   28.205403][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.205405][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.205407][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.205408][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.205410][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.205412][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.205413][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.205415][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.205417][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.205419][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.205420][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.205422][    C0]  rest_init (init/main.c:727)
[   28.205424][    C0]  ? __cpuidle_text_end (??:?)
[   28.205426][    C0]  ? rest_init (init/main.c:727)
[   28.205428][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.205432][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.205434][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.205437][    C0]  start_kernel (init/main.c:1185)
[   28.205438][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.205440][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.205442][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  121.502655][ T1328] softirqs last disabled at (0): 0x0
| [  121.502657][ T1328] Preemption disabled at:
| [  121.502657][ T1328] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  121.502668][ T1328] Tainted: [W]=WARN
[  121.502669][ T1328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.502671][ T1328] Call Trace:
[  121.502672][ T1328]  <TASK>
[  121.502673][ T1328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.502679][ T1328]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  121.502680][ T1328]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.502684][ T1328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.502688][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502691][ T1328]  __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))
[  121.502695][ T1328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.502698][ T1328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.502702][ T1328]  ? 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)
[  121.502703][ T1328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.502705][ T1328]  put_chars (drivers/char/virtio_console.c:1176)
[  121.502707][ T1328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.502709][ T1328]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  121.502712][ T1328]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  121.502714][ T1328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.502717][ T1328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.502718][ T1328]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.502720][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502721][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502723][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.502725][ T1328]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.502728][ T1328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.502730][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502731][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502733][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502734][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.502736][ T1328]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.502738][ T1328]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.502740][ T1328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.502743][ T1328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.502744][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.502746][ T1328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.502747][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502749][ T1328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.502750][ T1328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  121.502752][ T1328]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.502754][ T1328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.502755][ T1328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.502757][ T1328]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.502760][ T1328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.502762][ T1328]  _printk (kernel/printk/printk.c:2504)
[  121.502765][ T1328]  ? snapshot_read.cold (user.c:?)
[  121.502767][ T1328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.502770][ T1328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.502772][ T1328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.502774][ T1328]  ? netdev_notice (net/core/dev.c:13194)
[  121.502775][ T1328]  ? kasan_save_track (mm/kasan/common.c:78)
[  121.502779][ T1328]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  121.502780][ T1328]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  121.502782][ T1328]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  121.502785][ T1328]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  121.502788][ T1328]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  121.502791][ T1328]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  121.502792][ T1328]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  121.502795][ T1328]  ? __nla_parse (lib/nlattr.c:732)
[  121.502798][ T1328]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  121.502800][ T1328]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.502801][ T1328]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  121.502803][ T1328]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  121.502804][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502805][ T1328]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.502808][ T1328]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  121.502811][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502812][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502814][ T1328]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  121.502817][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.502819][ T1328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  121.502821][ T1328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.502822][ T1328]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.502825][ T1328]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.502827][ T1328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.502830][ T1328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.502831][ T1328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.502833][ T1328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.502834][ T1328]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.502837][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502838][ T1328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.502840][ T1328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.502842][ T1328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.502843][ T1328]  ? next_uptodate_folio (mm/filemap.c:3747)
[  121.502847][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502848][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502850][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502852][ T1328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.502854][ T1328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.502856][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502858][ T1328]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.502859][ T1328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.502862][ T1328]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.502864][ T1328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  121.502865][ T1328]  ? move_addr_to_kernel (net/socket.c:258)
[  121.502867][ T1328]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  121.502870][ T1328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.502872][ T1328]  ___sys_sendmsg (net/socket.c:2767)
[  121.502874][ T1328]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  121.502876][ T1328]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.502878][ T1328]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  121.502882][ T1328]  __sys_sendmsg (net/socket.c:2799)
[  121.502885][ T1328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.502887][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502889][ T1328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.502891][ T1328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.502894][ T1328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.502896][ T1328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.502897][ T1328] RIP: 0033:0x7f8a319ca54e
[  121.502899][ T1328] 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
[  121.502901][ T1328] RSP: 002b:00007fff767fa9d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.502904][ T1328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a319ca54e
[  121.502906][ T1328] RDX: 0000000000000000 RSI: 00007fff767faa80 RDI: 0000000000000005
[  121.502907][ T1328] RBP: 00007fff767fa9e0 R08: 0000000000000000 R09: 0000000000000000
[  121.502907][ T1328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afc4
[  121.502908][ T1328] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  135.315801][ T2255] softirqs last disabled at (0): 0x0
| [  135.315802][ T2255] Preemption disabled at:
| [  135.315803][ T2255] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  135.315814][ T2255] Tainted: [W]=WARN
[  135.315815][ T2255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  135.315816][ T2255] Call Trace:
[  135.315818][ T2255]  <TASK>
[  135.315819][ T2255]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  135.315824][ T2255]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  135.315826][ T2255]  __might_resched.cold (kernel/sched/core.c:9234)
[  135.315830][ T2255]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  135.315833][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315837][ T2255]  __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))
[  135.315841][ T2255]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  135.315843][ T2255]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.315847][ T2255]  ? 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)
[  135.315849][ T2255]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  135.315851][ T2255]  put_chars (drivers/char/virtio_console.c:1176)
[  135.315853][ T2255]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  135.315854][ T2255]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  135.315858][ T2255]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  135.315861][ T2255]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  135.315862][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315864][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315866][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.315868][ T2255]  console_emit_next_record (kernel/printk/printk.c:3183)
[  135.315870][ T2255]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  135.315872][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315874][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315875][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315877][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.315879][ T2255]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  135.315880][ T2255]  console_flush_one_record (kernel/printk/printk.c:3268)
[  135.315882][ T2255]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  135.315885][ T2255]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  135.315887][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.315888][ T2255]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  135.315890][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315891][ T2255]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.315893][ T2255]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  135.315894][ T2255]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  135.315896][ T2255]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  135.315898][ T2255]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  135.315900][ T2255]  vprintk_emit (kernel/printk/printk.c:2479)
[  135.315902][ T2255]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  135.315904][ T2255]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  135.315907][ T2255]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  135.315908][ T2255]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  135.315910][ T2255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  135.315911][ T2255]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  135.315914][ T2255]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  135.315915][ T2255]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  135.315917][ T2255]  _printk (kernel/printk/printk.c:2504)
[  135.315920][ T2255]  ? snapshot_read.cold (user.c:?)
[  135.315922][ T2255]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  135.315925][ T2255]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  135.315927][ T2255]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  135.315928][ T2255]  ? netdev_notice (net/core/dev.c:13194)
[  135.315930][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315932][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315933][ T2255]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  135.315936][ T2255]  ? 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)
[  135.315937][ T2255]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  135.315938][ T2255]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  135.315941][ T2255]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  135.315944][ T2255]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  135.315947][ T2255]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  135.315949][ T2255]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  135.315950][ T2255]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  135.315952][ T2255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  135.315953][ T2255]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  135.315954][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315956][ T2255]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  135.315959][ T2255]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  135.315961][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315963][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315964][ T2255]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  135.315968][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.315970][ T2255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  135.315972][ T2255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  135.315973][ T2255]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  135.315975][ T2255]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  135.315979][ T2255]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  135.315981][ T2255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  135.315982][ T2255]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.315983][ T2255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  135.315985][ T2255]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  135.315987][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315989][ T2255]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.315990][ T2255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  135.315992][ T2255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  135.315994][ T2255]  ? next_uptodate_folio (mm/filemap.c:3747)
[  135.315997][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.315998][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.316000][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.316002][ T2255]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  135.316004][ T2255]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  135.316006][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.316007][ T2255]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  135.316009][ T2255]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  135.316012][ T2255]  ? copy_msghdr_from_user (net/socket.c:2650)
[  135.316013][ T2255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  135.316015][ T2255]  ? move_addr_to_kernel (net/socket.c:258)
[  135.316017][ T2255]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  135.316020][ T2255]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  135.316021][ T2255]  ___sys_sendmsg (net/socket.c:2767)
[  135.316023][ T2255]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  135.316025][ T2255]  ? copy_msghdr_from_user (net/socket.c:2619)
[  135.316027][ T2255]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  135.316031][ T2255]  __sys_sendmsg (net/socket.c:2799)
[  135.316033][ T2255]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  135.316036][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.316038][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  135.316040][ T2255]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  135.316043][ T2255]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  135.316045][ T2255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  135.316046][ T2255] RIP: 0033:0x7f8047c3454e
[  135.316048][ T2255] 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
[  135.316050][ T2255] RSP: 002b:00007ffe18e42750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  135.316053][ T2255] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8047c3454e
[  135.316055][ T2255] RDX: 0000000000000000 RSI: 00007ffe18e42800 RDI: 0000000000000005
[  135.316056][ T2255] RBP: 00007ffe18e42760 R08: 0000000000000000 R09: 0000000000000000
[  135.316056][ T2255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afd2
[  135.316057][ T2255] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  149.576367][ T3188] softirqs last disabled at (0): 0x0
| [  149.576368][ T3188] Preemption disabled at:
| [  149.576369][ T3188] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  149.576381][ T3188] Tainted: [W]=WARN
[  149.576382][ T3188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.576383][ T3188] Call Trace:
[  149.576385][ T3188]  <TASK>
[  149.576386][ T3188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.576391][ T3188]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  149.576393][ T3188]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.576397][ T3188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.576400][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576404][ T3188]  __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))
[  149.576408][ T3188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.576410][ T3188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.576414][ T3188]  ? 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)
[  149.576416][ T3188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.576418][ T3188]  put_chars (drivers/char/virtio_console.c:1176)
[  149.576420][ T3188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.576422][ T3188]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  149.576425][ T3188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.576429][ T3188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.576430][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576432][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576434][ T3188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.576436][ T3188]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.576439][ T3188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.576441][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576442][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576444][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576446][ T3188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.576447][ T3188]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.576449][ T3188]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.576452][ T3188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.576454][ T3188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.576456][ T3188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.576457][ T3188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.576459][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576461][ T3188]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.576462][ T3188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  149.576464][ T3188]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  149.576466][ T3188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.576467][ T3188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.576469][ T3188]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.576472][ T3188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.576474][ T3188]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  149.576476][ T3188]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  149.576478][ T3188]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  149.576480][ T3188]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  149.576481][ T3188]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.576484][ T3188]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.576485][ T3188]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.576487][ T3188]  _printk (kernel/printk/printk.c:2504)
[  149.576490][ T3188]  ? snapshot_read.cold (user.c:?)
[  149.576492][ T3188]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  149.576495][ T3188]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  149.576497][ T3188]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  149.576498][ T3188]  ? netdev_notice (net/core/dev.c:13194)
[  149.576500][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576502][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576504][ T3188]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  149.576506][ T3188]  ? 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)
[  149.576508][ T3188]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  149.576509][ T3188]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  149.576512][ T3188]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  149.576515][ T3188]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  149.576519][ T3188]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  149.576521][ T3188]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  149.576522][ T3188]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.576524][ T3188]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  149.576525][ T3188]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  149.576526][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576528][ T3188]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  149.576531][ T3188]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  149.576534][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576535][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576537][ T3188]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  149.576541][ T3188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.576543][ T3188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  149.576550][ T3188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.576551][ T3188]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.576554][ T3188]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  149.576558][ T3188]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.576559][ T3188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.576561][ T3188]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.576562][ T3188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.576564][ T3188]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  149.576566][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576568][ T3188]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.576570][ T3188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.576572][ T3188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.576573][ T3188]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  149.576576][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576578][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576580][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576581][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576583][ T3188]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.576585][ T3188]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.576587][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576589][ T3188]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.576591][ T3188]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  149.576594][ T3188]  ? copy_msghdr_from_user (net/socket.c:2650)
[  149.576595][ T3188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  149.576597][ T3188]  ? move_addr_to_kernel (net/socket.c:258)
[  149.576599][ T3188]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  149.576602][ T3188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.576604][ T3188]  ___sys_sendmsg (net/socket.c:2767)
[  149.576605][ T3188]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  149.576607][ T3188]  ? copy_msghdr_from_user (net/socket.c:2619)
[  149.576609][ T3188]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  149.576614][ T3188]  __sys_sendmsg (net/socket.c:2799)
[  149.576616][ T3188]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  149.576619][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576620][ T3188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.576623][ T3188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.576626][ T3188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.576628][ T3188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.576630][ T3188] RIP: 0033:0x7fe5d714054e
[  149.576632][ T3188] 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
[  149.576633][ T3188] RSP: 002b:00007ffc47b0a990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  149.576637][ T3188] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5d714054e
[  149.576639][ T3188] RDX: 0000000000000000 RSI: 00007ffc47b0aa40 RDI: 0000000000000005
[  149.576639][ T3188] RBP: 00007ffc47b0a9a0 R08: 0000000000000000 R09: 0000000000000000
[  149.576640][ T3188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afe0
[  149.576641][ T3188] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  154.894179][ T3212] softirqs last disabled at (0): 0x0
| [  154.894181][ T3212] Preemption disabled at:
| [  154.894182][ T3212] vprintk_emit (kernel/printk/printk.c:2471)
| [  154.894193][ T3212] Tainted: [W]=WARN
[  154.894194][ T3212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  154.894196][ T3212] Call Trace:
[  154.894197][ T3212]  <TASK>
[  154.894198][ T3212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  154.894203][ T3212]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  154.894205][ T3212]  __might_resched.cold (kernel/sched/core.c:9234)
[  154.894209][ T3212]  ? __module_address (kernel/module/main.c:3915)
[  154.894212][ T3212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  154.894215][ T3212]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  154.894216][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894220][ T3212]  __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))
[  154.894223][ T3212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  154.894226][ T3212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.894230][ T3212]  ? 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)
[  154.894231][ T3212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.894233][ T3212]  put_chars (drivers/char/virtio_console.c:1176)
[  154.894235][ T3212]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  154.894236][ T3212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  154.894238][ T3212]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  154.894240][ T3212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  154.894244][ T3212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  154.894245][ T3212]  ? 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)
[  154.894246][ T3212]  ? vsnprintf (lib/vsprintf.c:2900)
[  154.894250][ T3212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  154.894251][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894253][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894255][ T3212]  console_emit_next_record (kernel/printk/printk.c:3183)
[  154.894258][ T3212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  154.894259][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894261][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894262][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894264][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894266][ T3212]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  154.894267][ T3212]  console_flush_one_record (kernel/printk/printk.c:3268)
[  154.894270][ T3212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  154.894272][ T3212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  154.894274][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894275][ T3212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  154.894277][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894278][ T3212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.894280][ T3212]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  154.894281][ T3212]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  154.894283][ T3212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  154.894285][ T3212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  154.894287][ T3212]  vprintk_emit (kernel/printk/printk.c:2479)
[  154.894290][ T3212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  154.894291][ T3212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  154.894293][ T3212]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  154.894294][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894296][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894301][ T3212]  _printk (kernel/printk/printk.c:2504)
[  154.894304][ T3212]  ? snapshot_read.cold (user.c:?)
[  154.894307][ T3212]  ? br_multicast_flood (??:?) bridge
[  154.894318][ T3212]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  154.894321][ T3212]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  154.894322][ T3212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  154.894324][ T3212] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  154.894332][ T3212] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  154.894340][ T3212] new_nbp (net/bridge/br_if.c:449) bridge
[  154.894347][ T3212] br_add_if (net/bridge/br_if.c:592) bridge
[  154.894354][ T3212]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  154.894358][ T3212]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  154.894359][ T3212]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  154.894362][ T3212]  ? __kernel_text_address (kernel/extable.c:79)
[  154.894364][ T3212]  do_set_master (net/core/rtnetlink.c:3071)
[  154.894367][ T3212]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  154.894368][ T3212]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  154.894370][ T3212]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  154.894371][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894372][ T3212]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  154.894376][ T3212]  ? kasan_save_stack (mm/kasan/common.c:58)
[  154.894379][ T3212]  ? kasan_save_stack (mm/kasan/common.c:57)
[  154.894380][ T3212]  ? kasan_save_track (mm/kasan/common.c:78)
[  154.894382][ T3212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  154.894383][ T3212]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  154.894384][ T3212]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  154.894385][ T3212]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  154.894386][ T3212]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  154.894389][ T3212]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  154.894390][ T3212]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  154.894391][ T3212]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  154.894394][ T3212]  ? ___sys_sendmsg (net/socket.c:2767)
[  154.894395][ T3212]  ? __sys_sendmsg (net/socket.c:2799)
[  154.894397][ T3212]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  154.894399][ T3212]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  154.894402][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894403][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894405][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894406][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894408][ T3212]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  154.894411][ T3212]  ? __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)
[  154.894413][ T3212]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  154.894414][ T3212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  154.894416][ T3212]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  154.894417][ T3212]  ? nla_get_range_signed (lib/nlattr.c:270)
[  154.894419][ T3212]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  154.894421][ T3212]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  154.894423][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894425][ T3212]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  154.894426][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894427][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894429][ T3212]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  154.894431][ T3212]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  154.894432][ T3212]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  154.894434][ T3212]  ? __kernel_text_address (kernel/extable.c:79)
[  154.894435][ T3212]  ? write_profile (profile.c:?)
[  154.894436][ T3212]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  154.894439][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894440][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894442][ T3212]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  154.894445][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894447][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894448][ T3212]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  154.894450][ T3212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  154.894451][ T3212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  154.894452][ T3212]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  154.894454][ T3212]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  154.894456][ T3212]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  154.894457][ T3212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  154.894459][ T3212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.894460][ T3212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  154.894461][ T3212]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  154.894464][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894465][ T3212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.894467][ T3212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  154.894469][ T3212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  154.894471][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894472][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894474][ T3212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.894476][ T3212]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  154.894477][ T3212]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  154.894479][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894481][ T3212]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  154.894482][ T3212]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  154.894484][ T3212]  ? copy_msghdr_from_user (net/socket.c:2650)
[  154.894486][ T3212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  154.894487][ T3212]  ? move_addr_to_kernel (net/socket.c:258)
[  154.894488][ T3212]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  154.894491][ T3212]  ___sys_sendmsg (net/socket.c:2767)
[  154.894492][ T3212]  ? copy_msghdr_from_user (net/socket.c:2619)
[  154.894497][ T3212]  __sys_sendmsg (net/socket.c:2799)
[  154.894499][ T3212]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  154.894501][ T3212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894503][ T3212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  154.894505][ T3212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  154.894507][ T3212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  154.894508][ T3212] RIP: 0033:0x7f452210e54e
[  154.894510][ T3212] 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
[  154.894512][ T3212] RSP: 002b:00007ffce5e35900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  154.894516][ T3212] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f452210e54e
[  154.894517][ T3212] RDX: 0000000000000000 RSI: 00007ffce5e359b0 RDI: 0000000000000005
[  154.894518][ T3212] RBP: 00007ffce5e35910 R08: 0000000000000000 R09: 0000000000000000
[  154.894519][ T3212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91afe5
[  154.894520][ T3212] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce5e36070
| [  257.245360][ T4058] softirqs last disabled at (0): 0x0
| [  257.245362][ T4058] Preemption disabled at:
| [  257.245363][ T4058] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  257.245374][ T4058] Tainted: [W]=WARN
[  257.245375][ T4058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  257.245377][ T4058] Call Trace:
[  257.245378][ T4058]  <TASK>
[  257.245379][ T4058]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  257.245385][ T4058]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  257.245386][ T4058]  __might_resched.cold (kernel/sched/core.c:9234)
[  257.245390][ T4058]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  257.245393][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245397][ T4058]  __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))
[  257.245401][ T4058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  257.245403][ T4058]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.245407][ T4058]  ? 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)
[  257.245408][ T4058]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  257.245410][ T4058]  put_chars (drivers/char/virtio_console.c:1176)
[  257.245412][ T4058]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  257.245414][ T4058]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  257.245417][ T4058]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  257.245419][ T4058]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  257.245423][ T4058]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  257.245424][ T4058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  257.245425][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245427][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245429][ T4058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.245431][ T4058]  console_emit_next_record (kernel/printk/printk.c:3183)
[  257.245433][ T4058]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  257.245435][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245437][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245438][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245440][ T4058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.245442][ T4058]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  257.245443][ T4058]  console_flush_one_record (kernel/printk/printk.c:3268)
[  257.245445][ T4058]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  257.245448][ T4058]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  257.245450][ T4058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.245451][ T4058]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  257.245453][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245454][ T4058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  257.245456][ T4058]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  257.245457][ T4058]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  257.245459][ T4058]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  257.245461][ T4058]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  257.245463][ T4058]  vprintk_emit (kernel/printk/printk.c:2479)
[  257.245465][ T4058]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  257.245468][ T4058]  _printk (kernel/printk/printk.c:2504)
[  257.245471][ T4058]  ? snapshot_read.cold (user.c:?)
[  257.245473][ T4058]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  257.245476][ T4058]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  257.245477][ T4058]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  257.245479][ T4058]  ? netdev_notice (net/core/dev.c:13194)
[  257.245481][ T4058]  ? kasan_save_track (mm/kasan/common.c:78)
[  257.245484][ T4058]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  257.245485][ T4058]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  257.245487][ T4058]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  257.245490][ T4058]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  257.245493][ T4058]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  257.245495][ T4058]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  257.245497][ T4058]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  257.245500][ T4058]  ? __nla_parse (lib/nlattr.c:732)
[  257.245503][ T4058]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  257.245504][ T4058]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  257.245506][ T4058]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  257.245507][ T4058]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  257.245508][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245510][ T4058]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  257.245513][ T4058]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  257.245515][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245517][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245519][ T4058]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  257.245522][ T4058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.245524][ T4058]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  257.245526][ T4058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  257.245527][ T4058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  257.245529][ T4058]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  257.245532][ T4058]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  257.245535][ T4058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  257.245536][ T4058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  257.245538][ T4058]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  257.245539][ T4058]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  257.245541][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245543][ T4058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  257.245545][ T4058]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  257.245547][ T4058]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  257.245548][ T4058]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  257.245552][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245553][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245555][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245556][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245558][ T4058]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  257.245560][ T4058]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  257.245562][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245564][ T4058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  257.245566][ T4058]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  257.245568][ T4058]  ? copy_msghdr_from_user (net/socket.c:2650)
[  257.245570][ T4058]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  257.245572][ T4058]  ? move_addr_to_kernel (net/socket.c:258)
[  257.245574][ T4058]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  257.245577][ T4058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  257.245579][ T4058]  ___sys_sendmsg (net/socket.c:2767)
[  257.245580][ T4058]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  257.245583][ T4058]  ? copy_msghdr_from_user (net/socket.c:2619)
[  257.245584][ T4058]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  257.245589][ T4058]  __sys_sendmsg (net/socket.c:2799)
[  257.245591][ T4058]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  257.245593][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245595][ T4058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  257.245597][ T4058]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  257.245600][ T4058]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  257.245602][ T4058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  257.245603][ T4058] RIP: 0033:0x7fa738f2354e
[  257.245605][ T4058] 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
[  257.245607][ T4058] RSP: 002b:00007fff926bffd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  257.245611][ T4058] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa738f2354e
[  257.245612][ T4058] RDX: 0000000000000000 RSI: 00007fff926c0080 RDI: 0000000000000005
[  257.245613][ T4058] RBP: 00007fff926bffe0 R08: 0000000000000000 R09: 0000000000000000
[  257.245614][ T4058] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b04c
[  257.245615][ T4058] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  270.798524][ T4985] softirqs last disabled at (0): 0x0
| [  270.798525][ T4985] Preemption disabled at:
| [  270.798526][ T4985] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  270.798537][ T4985] Tainted: [W]=WARN
[  270.798538][ T4985] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  270.798540][ T4985] Call Trace:
[  270.798542][ T4985]  <TASK>
[  270.798543][ T4985]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  270.798548][ T4985]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  270.798550][ T4985]  __might_resched.cold (kernel/sched/core.c:9234)
[  270.798554][ T4985]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  270.798557][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798561][ T4985]  __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))
[  270.798564][ T4985]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  270.798567][ T4985]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.798570][ T4985]  ? 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)
[  270.798572][ T4985]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  270.798574][ T4985]  put_chars (drivers/char/virtio_console.c:1176)
[  270.798576][ T4985]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  270.798578][ T4985]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  270.798581][ T4985]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  270.798584][ T4985]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  270.798585][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798587][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798589][ T4985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.798591][ T4985]  console_emit_next_record (kernel/printk/printk.c:3183)
[  270.798594][ T4985]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  270.798595][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798597][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798599][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798600][ T4985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.798602][ T4985]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  270.798604][ T4985]  console_flush_one_record (kernel/printk/printk.c:3268)
[  270.798606][ T4985]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  270.798609][ T4985]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  270.798611][ T4985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.798612][ T4985]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  270.798614][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798615][ T4985]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  270.798617][ T4985]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  270.798618][ T4985]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  270.798620][ T4985]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  270.798622][ T4985]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  270.798624][ T4985]  vprintk_emit (kernel/printk/printk.c:2479)
[  270.798626][ T4985]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  270.798628][ T4985]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  270.798631][ T4985]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  270.798632][ T4985]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  270.798634][ T4985]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  270.798635][ T4985]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  270.798638][ T4985]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  270.798639][ T4985]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  270.798641][ T4985]  _printk (kernel/printk/printk.c:2504)
[  270.798644][ T4985]  ? snapshot_read.cold (user.c:?)
[  270.798646][ T4985]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  270.798649][ T4985]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  270.798651][ T4985]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  270.798653][ T4985]  ? netdev_notice (net/core/dev.c:13194)
[  270.798654][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798656][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798658][ T4985]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  270.798660][ T4985]  ? 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)
[  270.798662][ T4985]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  270.798663][ T4985]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  270.798666][ T4985]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  270.798669][ T4985]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  270.798673][ T4985]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  270.798674][ T4985]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  270.798676][ T4985]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  270.798677][ T4985]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  270.798679][ T4985]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  270.798680][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798681][ T4985]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  270.798684][ T4985]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  270.798687][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798688][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798690][ T4985]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  270.798694][ T4985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.798696][ T4985]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  270.798697][ T4985]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  270.798699][ T4985]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  270.798701][ T4985]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  270.798705][ T4985]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  270.798706][ T4985]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  270.798708][ T4985]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  270.798709][ T4985]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  270.798710][ T4985]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  270.798713][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798715][ T4985]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  270.798716][ T4985]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  270.798718][ T4985]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  270.798720][ T4985]  ? next_uptodate_folio (mm/filemap.c:3747)
[  270.798723][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798724][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798726][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798728][ T4985]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  270.798730][ T4985]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  270.798732][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798734][ T4985]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  270.798735][ T4985]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  270.798738][ T4985]  ? copy_msghdr_from_user (net/socket.c:2650)
[  270.798740][ T4985]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  270.798742][ T4985]  ? move_addr_to_kernel (net/socket.c:258)
[  270.798744][ T4985]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  270.798746][ T4985]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  270.798748][ T4985]  ___sys_sendmsg (net/socket.c:2767)
[  270.798749][ T4985]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  270.798752][ T4985]  ? copy_msghdr_from_user (net/socket.c:2619)
[  270.798753][ T4985]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  270.798758][ T4985]  __sys_sendmsg (net/socket.c:2799)
[  270.798760][ T4985]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  270.798763][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798765][ T4985]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  270.798767][ T4985]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  270.798769][ T4985]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  270.798771][ T4985]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  270.798773][ T4985] RIP: 0033:0x7f6c289b454e
[  270.798775][ T4985] 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
[  270.798777][ T4985] RSP: 002b:00007ffd052d2ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  270.798780][ T4985] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c289b454e
[  270.798782][ T4985] RDX: 0000000000000000 RSI: 00007ffd052d2f50 RDI: 0000000000000005
[  270.798782][ T4985] RBP: 00007ffd052d2eb0 R08: 0000000000000000 R09: 0000000000000000
[  270.798783][ T4985] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b05a
[  270.798784][ T4985] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  284.559593][ T5918] softirqs last disabled at (0): 0x0
| [  284.559595][ T5918] Preemption disabled at:
| [  284.559596][ T5918] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  284.559606][ T5918] Tainted: [W]=WARN
[  284.559607][ T5918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  284.559609][ T5918] Call Trace:
[  284.559610][ T5918]  <TASK>
[  284.559612][ T5918]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  284.559617][ T5918]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  284.559618][ T5918]  __might_resched.cold (kernel/sched/core.c:9234)
[  284.559622][ T5918]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  284.559626][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559629][ T5918]  __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))
[  284.559633][ T5918]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  284.559635][ T5918]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  284.559639][ T5918]  ? 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)
[  284.559641][ T5918]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  284.559642][ T5918]  put_chars (drivers/char/virtio_console.c:1176)
[  284.559644][ T5918]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  284.559646][ T5918]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  284.559649][ T5918]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  284.559653][ T5918]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  284.559654][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559656][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559657][ T5918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.559659][ T5918]  console_emit_next_record (kernel/printk/printk.c:3183)
[  284.559662][ T5918]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  284.559664][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559665][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559667][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559669][ T5918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.559670][ T5918]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  284.559672][ T5918]  console_flush_one_record (kernel/printk/printk.c:3268)
[  284.559674][ T5918]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  284.559677][ T5918]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  284.559678][ T5918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.559680][ T5918]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  284.559681][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559683][ T5918]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  284.559684][ T5918]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  284.559686][ T5918]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  284.559688][ T5918]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  284.559690][ T5918]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  284.559692][ T5918]  vprintk_emit (kernel/printk/printk.c:2479)
[  284.559694][ T5918]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  284.559696][ T5918]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  284.559699][ T5918]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  284.559700][ T5918]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  284.559702][ T5918]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  284.559703][ T5918]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  284.559706][ T5918]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  284.559707][ T5918]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  284.559709][ T5918]  _printk (kernel/printk/printk.c:2504)
[  284.559712][ T5918]  ? snapshot_read.cold (user.c:?)
[  284.559714][ T5918]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  284.559717][ T5918]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  284.559719][ T5918]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  284.559720][ T5918]  ? netdev_notice (net/core/dev.c:13194)
[  284.559722][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559724][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559725][ T5918]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  284.559728][ T5918]  ? 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)
[  284.559729][ T5918]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  284.559730][ T5918]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  284.559733][ T5918]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  284.559736][ T5918]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  284.559739][ T5918]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  284.559741][ T5918]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  284.559742][ T5918]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  284.559744][ T5918]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  284.559745][ T5918]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  284.559746][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559748][ T5918]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  284.559751][ T5918]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  284.559753][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559755][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559756][ T5918]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  284.559760][ T5918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.559762][ T5918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  284.559763][ T5918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  284.559765][ T5918]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  284.559767][ T5918]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  284.559771][ T5918]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  284.559773][ T5918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  284.559774][ T5918]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  284.559775][ T5918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  284.559777][ T5918]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  284.559779][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559781][ T5918]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  284.559783][ T5918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  284.559785][ T5918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  284.559786][ T5918]  ? next_uptodate_folio (mm/filemap.c:3747)
[  284.559789][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559791][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559792][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559794][ T5918]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  284.559796][ T5918]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  284.559798][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559800][ T5918]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  284.559802][ T5918]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  284.559804][ T5918]  ? copy_msghdr_from_user (net/socket.c:2650)
[  284.559806][ T5918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  284.559807][ T5918]  ? move_addr_to_kernel (net/socket.c:258)
[  284.559809][ T5918]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  284.559812][ T5918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  284.559814][ T5918]  ___sys_sendmsg (net/socket.c:2767)
[  284.559815][ T5918]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  284.559818][ T5918]  ? copy_msghdr_from_user (net/socket.c:2619)
[  284.559819][ T5918]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  284.559824][ T5918]  __sys_sendmsg (net/socket.c:2799)
[  284.559826][ T5918]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  284.559828][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559830][ T5918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  284.559832][ T5918]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  284.559835][ T5918]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  284.559837][ T5918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  284.559838][ T5918] RIP: 0033:0x7f8665e8754e
[  284.559840][ T5918] 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
[  284.559849][ T5918] RSP: 002b:00007ffdc984fe80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  284.559853][ T5918] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8665e8754e
[  284.559854][ T5918] RDX: 0000000000000000 RSI: 00007ffdc984ff30 RDI: 0000000000000005
[  284.559855][ T5918] RBP: 00007ffdc984fe90 R08: 0000000000000000 R09: 0000000000000000
[  284.559856][ T5918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b067
[  284.559857][ T5918] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  440.748689][   T68] softirqs last disabled at (45846): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  440.748691][   T68] Preemption disabled at:
| [  440.748692][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  440.748704][   T68] Tainted: [W]=WARN
[  440.748705][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  440.748707][   T68] Workqueue: netns cleanup_net
[  440.748713][   T68] Call Trace:
[  440.748715][   T68]  <TASK>
[  440.748716][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  440.748722][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  440.748724][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  440.748728][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  440.748731][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748736][   T68]  __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))
[  440.748739][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  440.748742][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  440.748746][   T68]  ? 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)
[  440.748747][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  440.748749][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  440.748751][   T68]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  440.748753][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  440.748755][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  440.748757][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  440.748761][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  440.748762][   T68]  ? 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)
[  440.748764][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  440.748766][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748767][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748769][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.748771][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  440.748774][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  440.748776][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748777][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748779][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748781][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.748783][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  440.748784][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  440.748787][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  440.748789][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  440.748791][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.748793][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  440.748795][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748796][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  440.748798][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  440.748799][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  440.748801][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  440.748803][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  440.748805][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  440.748808][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  440.748810][   T68]  ? process_one_work (kernel/workqueue.c:3387)
[  440.748812][   T68]  ? kthread (kernel/kthread.c:436)
[  440.748814][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  440.748817][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  440.748819][   T68]  _printk (kernel/printk/printk.c:2504)
[  440.748823][   T68]  ? snapshot_read.cold (user.c:?)
[  440.748825][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  440.748828][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  440.748830][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  440.748831][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  440.748833][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748835][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  440.748837][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  440.748840][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  440.748841][   T68]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  440.748844][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  440.748847][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  440.748849][   T68] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  440.748863][   T68] br_dev_delete (net/bridge/br_if.c:387) bridge
[  440.748870][   T68] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  440.748877][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  440.748880][   T68]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  440.748881][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  440.748885][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  440.748887][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  440.748888][   T68]  ? update_load_avg (kernel/sched/fair.c:5864)
[  440.748891][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  440.748893][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  440.748895][   T68]  process_one_work (kernel/workqueue.c:3387)
[  440.748898][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  440.748899][   T68]  ? kthread_data (kernel/kthread.c:235)
[  440.748901][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  440.748904][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  440.748906][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  440.748908][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  440.748910][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  440.748911][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  440.748913][   T68]  kthread (kernel/kthread.c:436)
[  440.748915][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  440.748916][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  440.748918][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  440.748919][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  440.748921][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  440.748924][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)


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:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_add_excl:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars