======================================
| [   12.101372][  T186] softirqs last disabled at (33540): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   12.101375][  T186] Preemption disabled at:
| [   12.101375][  T186] 0x0
| [   12.101386][  T186] Tainted: [W]=WARN
[   12.101387][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.101389][  T186] Call Trace:
[   12.101391][  T186]  <TASK>
[   12.101392][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.101399][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.101403][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.101408][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.101413][  T186]  __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))
[   12.101415][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.101421][  T186]  ? 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)
[   12.101424][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.101427][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   12.101430][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.101432][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.101437][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.101442][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.101449][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.101451][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.101453][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.101457][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.101461][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.101463][  T186]  ? 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))
[   12.101466][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.101469][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.101473][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.101477][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.101479][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.101484][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.101487][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.101489][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.101491][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.101495][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.101497][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.101500][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.101504][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.101508][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.101512][  T186]  _printk (kernel/printk/printk.c:2504)
[   12.101516][  T186]  ? snapshot_read.cold (user.c:?)
[   12.101519][  T186]  ? 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)
[   12.101521][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.101525][  T186]  ? 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)
[   12.101528][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   12.101532][  T186]  ? exit_notify (kernel/exit.c:780)
[   12.101534][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.101537][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.101541][  T186]  do_group_exit (kernel/exit.c:1151)
[   12.101544][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   12.101546][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   12.101548][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.101551][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.101555][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.101558][  T186] RIP: 0033:0x7f54601e51b8
[   12.101561][  T186] Code: Unable to access opcode bytes at 0x7f54601e518e.

Code starting with the faulting instruction
===========================================
[   12.101563][  T186] RSP: 002b:00007ffe395e8848 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   12.101566][  T186] RAX: ffffffffffffffda RBX: 00007f5460315f88 RCX: 00007f54601e51b8
[   12.101568][  T186] RDX: 00007f545ff2ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   12.101569][  T186] RBP: 00007ffe395e88a0 R08: 0000000000000000 R09: 0000000000008010
[   12.101571][  T186] R10: 00007ffe395e8660 R11: 0000000000000246 R12: 0000000000000001
[   12.101572][  T186] R13: 0000000000000000 R14: 00007f5460314680 R15: 00007f5460315fa0
| [   13.483516][  T247] softirqs last disabled at (22615): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.483519][  T247] Preemption disabled at:
| [   13.483519][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.483529][  T247] Tainted: [W]=WARN
[   13.483530][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.483532][  T247] Call Trace:
[   13.483534][  T247]  <TASK>
[   13.483535][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.483541][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.483543][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.483548][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.483552][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.483557][  T247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.483559][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.483565][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.483568][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.483572][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   13.483574][  T247]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.483576][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.483579][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.483582][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.483587][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.483590][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.483591][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.483596][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.483597][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.483601][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.483604][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.483608][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.483612][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.483614][  T247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.483617][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.483619][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.483623][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.483628][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.483630][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.483635][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.483638][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.483640][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.483643][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.483646][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.483648][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.483651][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.483656][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.483662][  T247]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   13.483665][  T247]  _printk (kernel/printk/printk.c:2504)
[   13.483669][  T247]  ? snapshot_read.cold (user.c:?)
[   13.483675][  T247]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   13.483678][  T247] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.483681][  T247]  do_one_initcall (init/main.c:1357)
[   13.483684][  T247]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.483688][  T247]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.483692][  T247]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.483697][  T247]  do_init_module (kernel/module/main.c:3117)
[   13.483700][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.483705][  T247]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.483708][  T247]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.483712][  T247]  load_module (kernel/module/main.c:3593)
[   13.483720][  T247]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.483724][  T247]  ? __ia32_sys_fsconfig (??:?)
[   13.483727][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.483730][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.483734][  T247]  init_module_from_file (kernel/module/main.c:3790)
[   13.483737][  T247]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.483746][  T247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.483749][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.483753][  T247]  idempotent_init_module (kernel/module/main.c:3802)
[   13.483756][  T247]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.483763][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.483765][  T247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.483772][  T247]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.483774][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.483778][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.483780][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.483783][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.483785][  T247] RIP: 0033:0x7f611f47937d
[   13.483789][  T247] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   13.483790][  T247] RSP: 002b:00007ffe1ab53188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.483793][  T247] RAX: ffffffffffffffda RBX: 0000564a3cc77810 RCX: 00007f611f47937d
[   13.483795][  T247] RDX: 0000000000000000 RSI: 0000564a0a7e4ffd RDI: 0000000000000000
[   13.483796][  T247] RBP: 00007ffe1ab53220 R08: 0000000000000000 R09: 0000000000000000
[   13.483796][  T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564a0a7e4ffd
[   13.483797][  T247] R13: 0000564a3cc77960 R14: 0000000000040000 R15: 0000000000000000
| [   20.386096][  T352] softirqs last disabled at (13372): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.386100][  T352] Preemption disabled at:
| [   20.386100][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.386113][  T352] Tainted: [W]=WARN
[   20.386114][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.386116][  T352] Call Trace:
[   20.386119][  T352]  <TASK>
[   20.386121][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.386129][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.386132][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.386139][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.386144][  T352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.386152][  T352]  __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))
[   20.386156][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.386164][  T352]  ? 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)
[   20.386168][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.386173][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   20.386176][  T352]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   20.386179][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.386185][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.386191][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.386194][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.386201][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.386204][  T352]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.386207][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386210][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386217][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.386221][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.386226][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386230][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.386237][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.386244][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.386246][  T352]  ? 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))
[   20.386252][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386256][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.386263][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.386270][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.386273][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386283][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.386287][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.386290][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386294][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.386301][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.386303][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.386309][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.386316][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.386320][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.386325][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.386331][  T352]  _printk (kernel/printk/printk.c:2504)
[   20.386336][  T352]  ? snapshot_read.cold (user.c:?)
[   20.386343][  T352]  ? br_multicast_flood (??:?) bridge
[   20.386362][  T352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.386364][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.386366][  T352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.386375][  T352] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   20.386393][  T352] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   20.386407][  T352] new_nbp (net/bridge/br_if.c:449) bridge
[   20.386424][  T352] br_add_if (net/bridge/br_if.c:592) bridge
[   20.386437][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.386443][  T352]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   20.386447][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   20.386454][  T352]  do_set_master (net/core/rtnetlink.c:3071)
[   20.386462][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.386468][  T352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.386473][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.386475][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.386478][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.386483][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.386487][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.386490][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.386495][  T352]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.386499][  T352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.386501][  T352]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.386506][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386509][  T352]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   20.386513][  T352]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.386520][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.386523][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.386528][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386532][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.386534][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386537][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386541][  T352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.386547][  T352]  ? __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)
[   20.386550][  T352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.386554][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.386561][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.386563][  T352]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.386573][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.386583][  T352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.386593][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.386596][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386605][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.386608][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.386611][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.386614][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.386621][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.386625][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.386630][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.386633][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386641][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.386644][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.386650][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.386653][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.386659][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.386670][  T352]  ? 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))
[   20.386673][  T352]  ? 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))
[   20.386681][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.386688][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.386693][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.386700][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.386707][  T352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.386714][  T352]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.386723][  T352]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.386727][  T352]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.386731][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.386733][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   20.386747][  T352]  ___sys_sendmsg (net/socket.c:2767)
[   20.386752][  T352]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.386784][  T352]  __sys_sendmsg (net/socket.c:2799)
[   20.386789][  T352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.386800][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.386807][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.386810][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.386815][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.386818][  T352] RIP: 0033:0x7fdb8c8c754e
[   20.386827][  T352] 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
[   20.386829][  T352] RSP: 002b:00007ffc447ae010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.386834][  T352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdb8c8c754e
[   20.386837][  T352] RDX: 0000000000000000 RSI: 00007ffc447ae0c0 RDI: 0000000000000005
[   20.386838][  T352] RBP: 00007ffc447ae020 R08: 0000000000000000 R09: 0000000000000000
[   20.386840][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d65f
[   20.386841][  T352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc447ae780
| [   29.589926][    C0] softirqs last disabled at (1101667): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.589928][    C0] Preemption disabled at:
| [   29.589928][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   29.589938][    C0] Tainted: [W]=WARN
[   29.589939][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.589941][    C0] Call Trace:
[   29.589943][    C0]  <IRQ>
[   29.589944][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.589950][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   29.589952][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.589956][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.589959][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.589962][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.589966][    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))
[   29.589969][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.589972][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.589976][    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)
[   29.589977][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.589979][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   29.589982][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.589983][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.589987][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.589990][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.589991][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.589993][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.589995][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.590003][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.590005][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590007][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590009][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.590011][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.590013][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.590015][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.590018][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.590020][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.590021][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.590023][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590025][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.590026][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.590028][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.590030][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.590032][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.590035][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.590036][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590038][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.590040][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   29.590045][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.590048][    C0]  ? snapshot_read.cold (user.c:?)
[   29.590050][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.590054][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.590057][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.590058][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.590061][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.590064][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.590066][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.590068][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.590070][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.590072][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.590085][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590087][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.590089][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.590096][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.590098][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.590104][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.590111][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.590117][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.590121][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.590123][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.590126][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.590128][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.590130][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590133][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.590134][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.590141][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.590143][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.590146][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.590148][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.590150][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.590152][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.590155][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590157][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.590158][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.590160][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.590162][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.590164][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.590165][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.590168][    C0]  </IRQ>
[   29.590169][    C0]  <TASK>
[   29.590169][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.590171][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.590173][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.590176][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.590178][    C0] RSP: 0018:ffffffffb2007cf8 EFLAGS: 00000296
[   29.590182][    C0] RAX: 000000000010cf61 RBX: ffffffffb201c600 RCX: ffffffffaf0f0307
[   29.590183][    C0] RDX: ffffffffb201c600 RSI: ffffffffb1e38b1c RDI: ffffffffb188d8e0
[   29.590184][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.590185][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6400fa2
[   29.590186][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.590188][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.590191][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.590193][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.590194][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.590196][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.590198][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.590199][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.590202][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.590204][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.590206][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.590207][    C0]  rest_init (init/main.c:727)
[   29.590209][    C0]  ? __cpuidle_text_end (??:?)
[   29.590212][    C0]  ? rest_init (init/main.c:727)
[   29.590214][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.590218][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.590221][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.590223][    C0]  start_kernel (init/main.c:1185)
[   29.590226][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.590228][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.590230][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.661229][    C0]
| [   29.661362][    C0]
| [   29.661362][    C0] stack backtrace:
| [   29.661559][    C0] Tainted: [W]=WARN
[   29.661560][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.661561][    C0] Call Trace:
[   29.661563][    C0]  <IRQ>
[   29.661564][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.661569][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.661572][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.661575][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.661577][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.661579][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.661581][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.661583][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.661591][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.661594][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.661596][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.661602][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.661604][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.661610][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.661617][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.661623][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.661626][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.661627][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.661631][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.661633][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.661635][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.661638][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.661639][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.661646][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.661648][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.661651][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.661653][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.661655][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.661657][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.661660][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.661661][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.661663][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.661665][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.661667][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.661668][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.661670][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.661672][    C0]  </IRQ>
[   29.661672][    C0]  <TASK>
[   29.661673][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.661675][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.661676][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.661679][    C0] Code: 48 8b 3d 94 f2 f5 01 e8 1f 00 00 00 48 2b 05 58 b3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 a6 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 f2 f5 01 	mov    0x1f5f294(%rip),%rdi        # 0x1f5f29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 b3 95 00 	sub    0x95b358(%rip),%rax        # 0x95b36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 a6 11 00 	verw   0x11a613(%rip)        # 0x11a63b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.661680][    C0] RSP: 0018:ffffffffb2007cf8 EFLAGS: 00000296
[   29.661682][    C0] RAX: 000000000010cf61 RBX: ffffffffb201c600 RCX: ffffffffaf0f0307
[   29.661684][    C0] RDX: ffffffffb201c600 RSI: ffffffffb1e38b1c RDI: ffffffffb188d8e0
[   29.661685][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.661686][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6400fa2
[   29.661687][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.661688][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.661691][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.661692][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.661694][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.661696][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.661697][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.661699][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.661702][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.661704][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.661705][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.661707][    C0]  rest_init (init/main.c:727)
[   29.661709][    C0]  ? __cpuidle_text_end (??:?)
[   29.661712][    C0]  ? rest_init (init/main.c:727)
[   29.661713][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.661717][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.661720][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.661722][    C0]  start_kernel (init/main.c:1185)
[   29.661724][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.661726][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.661728][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   39.582483][ T2390] softirqs last disabled at (0): 0x0
| [   39.582485][ T2390] Preemption disabled at:
| [   39.582486][ T2390] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.582497][ T2390] Tainted: [W]=WARN
[   39.582498][ T2390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.582499][ T2390] Call Trace:
[   39.582501][ T2390]  <TASK>
[   39.582502][ T2390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.582508][ T2390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.582510][ T2390]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.582514][ T2390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.582517][ T2390]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   39.582520][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582524][ T2390]  __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))
[   39.582527][ T2390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   39.582530][ T2390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.582534][ T2390]  ? 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)
[   39.582535][ T2390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.582537][ T2390]  put_chars (drivers/char/virtio_console.c:1176)
[   39.582539][ T2390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.582541][ T2390]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   39.582544][ T2390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.582547][ T2390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.582548][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582550][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582553][ T2390]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.582555][ T2390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.582557][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582559][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582560][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582562][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582564][ T2390]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   39.582566][ T2390]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.582568][ T2390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.582571][ T2390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.582573][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582574][ T2390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.582576][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582577][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.582579][ T2390]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.582580][ T2390]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   39.582583][ T2390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.582585][ T2390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.582587][ T2390]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.582589][ T2390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.582591][ T2390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.582594][ T2390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.582597][ T2390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.582598][ T2390]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.582601][ T2390]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.582602][ T2390]  ? __sys_sendmsg (net/socket.c:2799)
[   39.582604][ T2390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.582608][ T2390]  _printk (kernel/printk/printk.c:2504)
[   39.582611][ T2390]  ? snapshot_read.cold (user.c:?)
[   39.582613][ T2390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.582616][ T2390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.582618][ T2390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.582619][ T2390]  ? netdev_notice (net/core/dev.c:13194)
[   39.582621][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582623][ T2390]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   39.582625][ T2390]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   39.582627][ T2390]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   39.582629][ T2390]  ? 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)
[   39.582632][ T2390]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   39.582634][ T2390]  dev_set_allmulti (net/core/dev_api.c:315)
[   39.582638][ T2390] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   39.582650][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.582654][ T2390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.582656][ T2390] br_del_if (net/bridge/br_if.c:732) bridge
[   39.582664][ T2390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.582666][ T2390]  do_set_master (net/core/rtnetlink.c:3055)
[   39.582669][ T2390]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   39.582671][ T2390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   39.582674][ T2390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   39.582675][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582677][ T2390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.582681][ T2390]  ? kasan_save_stack (mm/kasan/common.c:58)
[   39.582683][ T2390]  ? kasan_save_stack (mm/kasan/common.c:57)
[   39.582685][ T2390]  ? kasan_save_track (mm/kasan/common.c:78)
[   39.582686][ T2390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   39.582688][ T2390]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   39.582689][ T2390]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   39.582690][ T2390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.582692][ T2390]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.582693][ T2390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.582694][ T2390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.582696][ T2390]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.582697][ T2390]  ? ___sys_sendmsg (net/socket.c:2767)
[   39.582699][ T2390]  ? __sys_sendmsg (net/socket.c:2799)
[   39.582700][ T2390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.582701][ T2390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.582704][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582706][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582707][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582709][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582711][ T2390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   39.582713][ T2390]  ? __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)
[   39.582715][ T2390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   39.582716][ T2390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   39.582718][ T2390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   39.582719][ T2390]  ? nla_get_range_signed (lib/nlattr.c:270)
[   39.582721][ T2390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   39.582724][ T2390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.582726][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582727][ T2390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.582729][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582730][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582732][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   39.582734][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   39.582736][ T2390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   39.582737][ T2390]  ? __kernel_text_address (kernel/extable.c:79)
[   39.582739][ T2390]  ? write_profile (profile.c:?)
[   39.582740][ T2390]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   39.582742][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582744][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582746][ T2390]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   39.582749][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582751][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582753][ T2390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.582754][ T2390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.582756][ T2390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.582757][ T2390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.582758][ T2390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   39.582761][ T2390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.582762][ T2390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.582764][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.582765][ T2390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.582767][ T2390]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   39.582769][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582771][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.582773][ T2390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.582775][ T2390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.582777][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582778][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582780][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.582782][ T2390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.582784][ T2390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.582786][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582788][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   39.582789][ T2390]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.582791][ T2390]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.582793][ T2390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.582794][ T2390]  ? move_addr_to_kernel (net/socket.c:258)
[   39.582796][ T2390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   39.582798][ T2390]  ___sys_sendmsg (net/socket.c:2767)
[   39.582800][ T2390]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.582805][ T2390]  __sys_sendmsg (net/socket.c:2799)
[   39.582807][ T2390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.582810][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.582812][ T2390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.582813][ T2390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.582816][ T2390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.582817][ T2390] RIP: 0033:0x7f3ff7c9154e
[   39.582820][ T2390] 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
[   39.582821][ T2390] RSP: 002b:00007ffdb92c5ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.582828][ T2390] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3ff7c9154e
[   39.582830][ T2390] RDX: 0000000000000000 RSI: 00007ffdb92c5f50 RDI: 0000000000000005
[   39.582830][ T2390] RBP: 00007ffdb92c5eb0 R08: 0000000000000000 R09: 0000000000000000
[   39.582831][ T2390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d672
[   39.582832][ T2390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb92c6610
| [   56.455961][ T4445] softirqs last disabled at (0): 0x0
| [   56.455963][ T4445] Preemption disabled at:
| [   56.455965][ T4445] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.455979][ T4445] Tainted: [W]=WARN
[   56.455980][ T4445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.455983][ T4445] Call Trace:
[   56.455985][ T4445]  <TASK>
[   56.455987][ T4445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.455993][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.455996][ T4445]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.456001][ T4445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.456005][ T4445]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   56.456008][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456013][ T4445]  __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))
[   56.456017][ T4445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.456021][ T4445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.456026][ T4445]  ? 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)
[   56.456028][ T4445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.456031][ T4445]  put_chars (drivers/char/virtio_console.c:1176)
[   56.456034][ T4445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.456037][ T4445]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   56.456041][ T4445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.456046][ T4445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.456048][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456051][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456054][ T4445]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.456058][ T4445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.456061][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456064][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456066][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456069][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456072][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   56.456074][ T4445]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.456078][ T4445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.456082][ T4445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.456085][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456087][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.456090][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456092][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.456095][ T4445]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.456097][ T4445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   56.456100][ T4445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.456103][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.456106][ T4445]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.456110][ T4445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.456112][ T4445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.456116][ T4445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.456119][ T4445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.456122][ T4445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.456125][ T4445]  ? ___sys_sendmsg (net/socket.c:2767)
[   56.456127][ T4445]  ? __sys_sendmsg (net/socket.c:2799)
[   56.456129][ T4445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.456134][ T4445]  _printk (kernel/printk/printk.c:2504)
[   56.456138][ T4445]  ? snapshot_read.cold (user.c:?)
[   56.456142][ T4445]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   56.456145][ T4445]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   56.456148][ T4445]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   56.456151][ T4445]  ? netdev_notice (net/core/dev.c:13194)
[   56.456154][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456156][ T4445]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   56.456159][ T4445]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   56.456162][ T4445]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   56.456165][ T4445]  ? 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)
[   56.456169][ T4445]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   56.456173][ T4445]  dev_set_allmulti (net/core/dev_api.c:315)
[   56.456177][ T4445] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   56.456195][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   56.456199][ T4445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   56.456203][ T4445] br_del_if (net/bridge/br_if.c:732) bridge
[   56.456216][ T4445]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   56.456219][ T4445]  do_set_master (net/core/rtnetlink.c:3055)
[   56.456223][ T4445]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   56.456227][ T4445]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   56.456230][ T4445]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   56.456232][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456240][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   56.456245][ T4445]  ? kasan_save_stack (mm/kasan/common.c:58)
[   56.456249][ T4445]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.456251][ T4445]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.456253][ T4445]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.456255][ T4445]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   56.456258][ T4445]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   56.456260][ T4445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.456262][ T4445]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.456264][ T4445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.456266][ T4445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.456268][ T4445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.456270][ T4445]  ? ___sys_sendmsg (net/socket.c:2767)
[   56.456273][ T4445]  ? __sys_sendmsg (net/socket.c:2799)
[   56.456275][ T4445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.456277][ T4445]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.456281][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456284][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456286][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456288][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456291][ T4445]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   56.456294][ T4445]  ? __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)
[   56.456297][ T4445]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.456300][ T4445]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   56.456302][ T4445]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   56.456305][ T4445]  ? nla_get_range_signed (lib/nlattr.c:270)
[   56.456308][ T4445]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   56.456312][ T4445]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.456315][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456318][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.456320][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456322][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456325][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   56.456328][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   56.456330][ T4445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   56.456332][ T4445]  ? __kernel_text_address (kernel/extable.c:79)
[   56.456335][ T4445]  ? write_profile (profile.c:?)
[   56.456337][ T4445]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.456341][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456343][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456346][ T4445]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   56.456350][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456352][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456355][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.456357][ T4445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.456360][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.456362][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   56.456365][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   56.456369][ T4445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.456371][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.456373][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.456376][ T4445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.456378][ T4445]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   56.456382][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456385][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.456388][ T4445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.456391][ T4445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.456393][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456396][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456399][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.456402][ T4445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.456405][ T4445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.456408][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456411][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.456414][ T4445]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.456416][ T4445]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.456419][ T4445]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.456422][ T4445]  ? move_addr_to_kernel (net/socket.c:258)
[   56.456424][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   56.456428][ T4445]  ___sys_sendmsg (net/socket.c:2767)
[   56.456431][ T4445]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.456440][ T4445]  __sys_sendmsg (net/socket.c:2799)
[   56.456443][ T4445]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.456447][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.456451][ T4445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.456453][ T4445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.456456][ T4445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.456459][ T4445] RIP: 0033:0x7fa1e1e3e54e
[   56.456461][ T4445] 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
[   56.456464][ T4445] RSP: 002b:00007ffd76c41690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.456469][ T4445] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa1e1e3e54e
[   56.456471][ T4445] RDX: 0000000000000000 RSI: 00007ffd76c41740 RDI: 0000000000000005
[   56.456473][ T4445] RBP: 00007ffd76c416a0 R08: 0000000000000000 R09: 0000000000000000
[   56.456474][ T4445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d683
[   56.456476][ T4445] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd76c41e00
| [   73.384299][ T6510] softirqs last disabled at (0): 0x0
| [   73.384301][ T6510] Preemption disabled at:
| [   73.384302][ T6510] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.384314][ T6510] Tainted: [W]=WARN
[   73.384315][ T6510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.384317][ T6510] Call Trace:
[   73.384318][ T6510]  <TASK>
[   73.384320][ T6510]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.384325][ T6510]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.384327][ T6510]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.384331][ T6510]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.384334][ T6510]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   73.384337][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384341][ T6510]  __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))
[   73.384344][ T6510]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.384347][ T6510]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.384351][ T6510]  ? 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)
[   73.384353][ T6510]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.384355][ T6510]  put_chars (drivers/char/virtio_console.c:1176)
[   73.384357][ T6510]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.384359][ T6510]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   73.384361][ T6510]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.384365][ T6510]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.384366][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384368][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384370][ T6510]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.384373][ T6510]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.384375][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384377][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384378][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384380][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384382][ T6510]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   73.384390][ T6510]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.384392][ T6510]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.384395][ T6510]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.384397][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384399][ T6510]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.384400][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384402][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.384404][ T6510]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.384405][ T6510]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   73.384407][ T6510]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.384409][ T6510]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.384412][ T6510]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.384414][ T6510]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.384416][ T6510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.384419][ T6510]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.384422][ T6510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.384423][ T6510]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.384426][ T6510]  ? ___sys_sendmsg (net/socket.c:2767)
[   73.384428][ T6510]  ? __sys_sendmsg (net/socket.c:2799)
[   73.384430][ T6510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.384433][ T6510]  _printk (kernel/printk/printk.c:2504)
[   73.384436][ T6510]  ? snapshot_read.cold (user.c:?)
[   73.384438][ T6510]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   73.384441][ T6510]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   73.384443][ T6510]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   73.384445][ T6510]  ? netdev_notice (net/core/dev.c:13194)
[   73.384447][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384449][ T6510]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   73.384450][ T6510]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   73.384453][ T6510]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   73.384454][ T6510]  ? 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)
[   73.384457][ T6510]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   73.384460][ T6510]  dev_set_allmulti (net/core/dev_api.c:315)
[   73.384463][ T6510] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   73.384475][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.384479][ T6510]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   73.384482][ T6510] br_del_if (net/bridge/br_if.c:732) bridge
[   73.384489][ T6510]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   73.384492][ T6510]  do_set_master (net/core/rtnetlink.c:3055)
[   73.384494][ T6510]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   73.384497][ T6510]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   73.384499][ T6510]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   73.384501][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384502][ T6510]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.384506][ T6510]  ? kasan_save_stack (mm/kasan/common.c:58)
[   73.384509][ T6510]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.384511][ T6510]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.384512][ T6510]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.384514][ T6510]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   73.384515][ T6510]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   73.384516][ T6510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.384518][ T6510]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.384519][ T6510]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.384520][ T6510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.384522][ T6510]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.384523][ T6510]  ? ___sys_sendmsg (net/socket.c:2767)
[   73.384524][ T6510]  ? __sys_sendmsg (net/socket.c:2799)
[   73.384526][ T6510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.384527][ T6510]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.384530][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384532][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384533][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384535][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384537][ T6510]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   73.384539][ T6510]  ? __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)
[   73.384541][ T6510]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.384543][ T6510]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   73.384544][ T6510]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   73.384546][ T6510]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.384548][ T6510]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   73.384550][ T6510]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.384552][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384554][ T6510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.384555][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384557][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384559][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   73.384561][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.384562][ T6510]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   73.384564][ T6510]  ? __kernel_text_address (kernel/extable.c:79)
[   73.384565][ T6510]  ? write_profile (profile.c:?)
[   73.384566][ T6510]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.384569][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384571][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384572][ T6510]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   73.384576][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384577][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384579][ T6510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.384581][ T6510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.384582][ T6510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.384584][ T6510]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.384585][ T6510]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.384588][ T6510]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.384589][ T6510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.384591][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.384592][ T6510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.384593][ T6510]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   73.384596][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384598][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.384600][ T6510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.384602][ T6510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.384604][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384605][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384607][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.384609][ T6510]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.384611][ T6510]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.384613][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384615][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.384617][ T6510]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.384618][ T6510]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.384620][ T6510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   73.384622][ T6510]  ? move_addr_to_kernel (net/socket.c:258)
[   73.384623][ T6510]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.384626][ T6510]  ___sys_sendmsg (net/socket.c:2767)
[   73.384628][ T6510]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.384633][ T6510]  __sys_sendmsg (net/socket.c:2799)
[   73.384635][ T6510]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.384637][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.384640][ T6510]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.384641][ T6510]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.384643][ T6510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.384645][ T6510] RIP: 0033:0x7ff6ebfa454e
[   73.384647][ T6510] 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
[   73.384648][ T6510] RSP: 002b:00007ffc0e3ee500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.384653][ T6510] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6ebfa454e
[   73.384654][ T6510] RDX: 0000000000000000 RSI: 00007ffc0e3ee5b0 RDI: 0000000000000005
[   73.384655][ T6510] RBP: 00007ffc0e3ee510 R08: 0000000000000000 R09: 0000000000000000
[   73.384656][ T6510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d694
[   73.384657][ T6510] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0e3eec70
| [   89.629341][ T8575] softirqs last disabled at (0): 0x0
| [   89.629344][ T8575] Preemption disabled at:
| [   89.629345][ T8575] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.629359][ T8575] Tainted: [W]=WARN
[   89.629360][ T8575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.629362][ T8575] Call Trace:
[   89.629364][ T8575]  <TASK>
[   89.629366][ T8575]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.629373][ T8575]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.629376][ T8575]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.629380][ T8575]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.629384][ T8575]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   89.629388][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629393][ T8575]  __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))
[   89.629397][ T8575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.629401][ T8575]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.629406][ T8575]  ? 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)
[   89.629408][ T8575]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.629411][ T8575]  put_chars (drivers/char/virtio_console.c:1176)
[   89.629414][ T8575]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.629417][ T8575]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   89.629421][ T8575]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.629425][ T8575]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.629428][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629431][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629434][ T8575]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.629438][ T8575]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.629441][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629443][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629446][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629448][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629451][ T8575]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   89.629454][ T8575]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.629458][ T8575]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.629462][ T8575]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.629464][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629467][ T8575]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.629469][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629472][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.629474][ T8575]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   89.629476][ T8575]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   89.629480][ T8575]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.629483][ T8575]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.629486][ T8575]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.629489][ T8575]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.629492][ T8575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.629496][ T8575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.629499][ T8575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.629501][ T8575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.629505][ T8575]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.629507][ T8575]  ? __sys_sendmsg (net/socket.c:2799)
[   89.629509][ T8575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.629514][ T8575]  _printk (kernel/printk/printk.c:2504)
[   89.629518][ T8575]  ? snapshot_read.cold (user.c:?)
[   89.629522][ T8575]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.629525][ T8575]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.629534][ T8575]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.629537][ T8575]  ? netdev_notice (net/core/dev.c:13194)
[   89.629540][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629543][ T8575]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   89.629545][ T8575]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   89.629548][ T8575]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   89.629551][ T8575]  ? 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)
[   89.629554][ T8575]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   89.629559][ T8575]  dev_set_allmulti (net/core/dev_api.c:315)
[   89.629563][ T8575] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   89.629582][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.629586][ T8575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.629590][ T8575] br_del_if (net/bridge/br_if.c:732) bridge
[   89.629603][ T8575]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.629606][ T8575]  do_set_master (net/core/rtnetlink.c:3055)
[   89.629610][ T8575]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   89.629614][ T8575]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.629618][ T8575]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.629620][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629623][ T8575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.629628][ T8575]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.629631][ T8575]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.629634][ T8575]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.629636][ T8575]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.629639][ T8575]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   89.629641][ T8575]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   89.629643][ T8575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.629645][ T8575]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.629647][ T8575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.629649][ T8575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.629652][ T8575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.629654][ T8575]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.629656][ T8575]  ? __sys_sendmsg (net/socket.c:2799)
[   89.629658][ T8575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.629660][ T8575]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.629664][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629667][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629669][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629671][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629674][ T8575]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.629677][ T8575]  ? __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)
[   89.629680][ T8575]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.629683][ T8575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.629685][ T8575]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.629687][ T8575]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.629691][ T8575]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.629695][ T8575]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.629698][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629701][ T8575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.629703][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629705][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629708][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.629711][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.629713][ T8575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.629716][ T8575]  ? __kernel_text_address (kernel/extable.c:79)
[   89.629718][ T8575]  ? write_profile (profile.c:?)
[   89.629720][ T8575]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.629724][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629726][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629729][ T8575]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   89.629733][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629735][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629738][ T8575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.629740][ T8575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.629743][ T8575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.629746][ T8575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.629748][ T8575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.629752][ T8575]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.629755][ T8575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.629757][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.629759][ T8575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.629762][ T8575]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   89.629766][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629768][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.629771][ T8575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.629775][ T8575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.629777][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629780][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629782][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.629785][ T8575]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.629789][ T8575]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.629792][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629794][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.629797][ T8575]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.629800][ T8575]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.629803][ T8575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   89.629805][ T8575]  ? move_addr_to_kernel (net/socket.c:258)
[   89.629807][ T8575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.629812][ T8575]  ___sys_sendmsg (net/socket.c:2767)
[   89.629815][ T8575]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.629825][ T8575]  __sys_sendmsg (net/socket.c:2799)
[   89.629828][ T8575]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.629833][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.629836][ T8575]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.629838][ T8575]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.629841][ T8575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.629844][ T8575] RIP: 0033:0x7fb0b7b3654e
[   89.629847][ T8575] 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
[   89.629849][ T8575] RSP: 002b:00007ffe5e14d630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.629854][ T8575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb0b7b3654e
[   89.629857][ T8575] RDX: 0000000000000000 RSI: 00007ffe5e14d6e0 RDI: 0000000000000005
[   89.629858][ T8575] RBP: 00007ffe5e14d640 R08: 0000000000000000 R09: 0000000000000000
[   89.629859][ T8575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d6a4
[   89.629861][ T8575] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5e14dda0
| [  105.885835][T10640] softirqs last disabled at (0): 0x0
| [  105.885837][T10640] Preemption disabled at:
| [  105.885837][T10640] vprintk_emit (kernel/printk/printk.c:2471)
| [  105.885849][T10640] Tainted: [W]=WARN
[  105.885850][T10640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  105.885852][T10640] Call Trace:
[  105.885854][T10640]  <TASK>
[  105.885855][T10640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  105.885860][T10640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  105.885862][T10640]  __might_resched.cold (kernel/sched/core.c:9234)
[  105.885866][T10640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  105.885869][T10640]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  105.885872][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885876][T10640]  __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))
[  105.885879][T10640]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  105.885882][T10640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.885885][T10640]  ? 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)
[  105.885887][T10640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  105.885889][T10640]  put_chars (drivers/char/virtio_console.c:1176)
[  105.885891][T10640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  105.885893][T10640]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  105.885895][T10640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  105.885899][T10640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  105.885900][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885902][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.885904][T10640]  console_emit_next_record (kernel/printk/printk.c:3183)
[  105.885907][T10640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  105.885909][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885911][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885912][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885914][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.885916][T10640]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  105.885918][T10640]  console_flush_one_record (kernel/printk/printk.c:3268)
[  105.885920][T10640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  105.885923][T10640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  105.885924][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.885926][T10640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  105.885928][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885930][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.885931][T10640]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  105.885933][T10640]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  105.885935][T10640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  105.885937][T10640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  105.885939][T10640]  vprintk_emit (kernel/printk/printk.c:2479)
[  105.885941][T10640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  105.885943][T10640]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.885946][T10640]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.885949][T10640]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.885950][T10640]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  105.885953][T10640]  ? ___sys_sendmsg (net/socket.c:2767)
[  105.885955][T10640]  ? __sys_sendmsg (net/socket.c:2799)
[  105.885956][T10640]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.885959][T10640]  _printk (kernel/printk/printk.c:2504)
[  105.885963][T10640]  ? snapshot_read.cold (user.c:?)
[  105.885965][T10640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  105.885967][T10640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  105.885969][T10640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  105.885971][T10640]  ? netdev_notice (net/core/dev.c:13194)
[  105.885973][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.885975][T10640]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  105.885977][T10640]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  105.885979][T10640]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  105.885981][T10640]  ? 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)
[  105.885983][T10640]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  105.885986][T10640]  dev_set_allmulti (net/core/dev_api.c:315)
[  105.885989][T10640] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  105.886002][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.886005][T10640]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.886008][T10640] br_del_if (net/bridge/br_if.c:732) bridge
[  105.886015][T10640]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  105.886017][T10640]  do_set_master (net/core/rtnetlink.c:3055)
[  105.886020][T10640]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  105.886023][T10640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  105.886025][T10640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  105.886027][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886028][T10640]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.886032][T10640]  ? kasan_save_stack (mm/kasan/common.c:58)
[  105.886035][T10640]  ? kasan_save_stack (mm/kasan/common.c:57)
[  105.886036][T10640]  ? kasan_save_track (mm/kasan/common.c:78)
[  105.886038][T10640]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  105.886039][T10640]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  105.886041][T10640]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  105.886042][T10640]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.886043][T10640]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.886044][T10640]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.886046][T10640]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.886047][T10640]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  105.886049][T10640]  ? ___sys_sendmsg (net/socket.c:2767)
[  105.886050][T10640]  ? __sys_sendmsg (net/socket.c:2799)
[  105.886051][T10640]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.886053][T10640]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.886055][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886057][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.886059][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886060][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886062][T10640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  105.886064][T10640]  ? __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)
[  105.886066][T10640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  105.886068][T10640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  105.886069][T10640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  105.886071][T10640]  ? nla_get_range_signed (lib/nlattr.c:270)
[  105.886073][T10640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  105.886075][T10640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  105.886077][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886079][T10640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  105.886080][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.886082][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886084][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  105.886085][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  105.886087][T10640]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  105.886089][T10640]  ? __kernel_text_address (kernel/extable.c:79)
[  105.886090][T10640]  ? write_profile (profile.c:?)
[  105.886091][T10640]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  105.886094][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886095][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886097][T10640]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  105.886100][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.886102][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886104][T10640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  105.886105][T10640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  105.886107][T10640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.886108][T10640]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.886110][T10640]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  105.886112][T10640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  105.886113][T10640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  105.886115][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.886116][T10640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  105.886118][T10640]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  105.886120][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886122][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.886124][T10640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  105.886126][T10640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  105.886128][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886129][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886131][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  105.886133][T10640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  105.886135][T10640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  105.886137][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886139][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  105.886141][T10640]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  105.886142][T10640]  ? copy_msghdr_from_user (net/socket.c:2650)
[  105.886144][T10640]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  105.886146][T10640]  ? move_addr_to_kernel (net/socket.c:258)
[  105.886147][T10640]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  105.886150][T10640]  ___sys_sendmsg (net/socket.c:2767)
[  105.886152][T10640]  ? copy_msghdr_from_user (net/socket.c:2619)
[  105.886157][T10640]  __sys_sendmsg (net/socket.c:2799)
[  105.886159][T10640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  105.886161][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  105.886164][T10640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  105.886165][T10640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  105.886167][T10640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  105.886169][T10640] RIP: 0033:0x7fa4eb63354e
[  105.886171][T10640] 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
[  105.886172][T10640] RSP: 002b:00007fff3258d980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  105.886177][T10640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa4eb63354e
[  105.886178][T10640] RDX: 0000000000000000 RSI: 00007fff3258da30 RDI: 0000000000000005
[  105.886179][T10640] RBP: 00007fff3258d990 R08: 0000000000000000 R09: 0000000000000000
[  105.886180][T10640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d6b5
[  105.886181][T10640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3258e0f0
| [  121.933522][T12705] softirqs last disabled at (0): 0x0
| [  121.933524][T12705] Preemption disabled at:
| [  121.933525][T12705] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.933539][T12705] Tainted: [W]=WARN
[  121.933540][T12705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.933542][T12705] Call Trace:
[  121.933544][T12705]  <TASK>
[  121.933545][T12705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.933552][T12705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.933554][T12705]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.933559][T12705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.933563][T12705]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  121.933566][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933571][T12705]  __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))
[  121.933574][T12705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.933578][T12705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.933583][T12705]  ? 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)
[  121.933585][T12705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.933588][T12705]  put_chars (drivers/char/virtio_console.c:1176)
[  121.933590][T12705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.933593][T12705]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  121.933596][T12705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.933601][T12705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.933603][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933606][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933609][T12705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.933612][T12705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.933615][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933617][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933619][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933622][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933624][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.933627][T12705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.933630][T12705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.933634][T12705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.933637][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933639][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.933641][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933644][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.933646][T12705]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  121.933648][T12705]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.933652][T12705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.933654][T12705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.933657][T12705]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.933661][T12705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.933663][T12705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.933667][T12705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.933671][T12705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.933673][T12705]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.933676][T12705]  ? ___sys_sendmsg (net/socket.c:2767)
[  121.933678][T12705]  ? __sys_sendmsg (net/socket.c:2799)
[  121.933681][T12705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.933685][T12705]  _printk (kernel/printk/printk.c:2504)
[  121.933689][T12705]  ? snapshot_read.cold (user.c:?)
[  121.933693][T12705]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.933696][T12705]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.933699][T12705]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.933702][T12705]  ? netdev_notice (net/core/dev.c:13194)
[  121.933705][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933708][T12705]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  121.933710][T12705]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  121.933714][T12705]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  121.933716][T12705]  ? 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)
[  121.933720][T12705]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  121.933724][T12705]  dev_set_allmulti (net/core/dev_api.c:315)
[  121.933728][T12705] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  121.933746][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.933751][T12705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  121.933755][T12705] br_del_if (net/bridge/br_if.c:732) bridge
[  121.933767][T12705]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  121.933770][T12705]  do_set_master (net/core/rtnetlink.c:3055)
[  121.933774][T12705]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  121.933777][T12705]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  121.933781][T12705]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  121.933783][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933786][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.933790][T12705]  ? kasan_save_stack (mm/kasan/common.c:58)
[  121.933794][T12705]  ? kasan_save_stack (mm/kasan/common.c:57)
[  121.933796][T12705]  ? kasan_save_track (mm/kasan/common.c:78)
[  121.933798][T12705]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  121.933801][T12705]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  121.933803][T12705]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  121.933805][T12705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.933807][T12705]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.933809][T12705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.933817][T12705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.933819][T12705]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.933821][T12705]  ? ___sys_sendmsg (net/socket.c:2767)
[  121.933826][T12705]  ? __sys_sendmsg (net/socket.c:2799)
[  121.933828][T12705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.933830][T12705]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.933834][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933837][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933839][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933841][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933844][T12705]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  121.933847][T12705]  ? __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)
[  121.933849][T12705]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  121.933851][T12705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  121.933854][T12705]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  121.933856][T12705]  ? nla_get_range_signed (lib/nlattr.c:270)
[  121.933859][T12705]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  121.933862][T12705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  121.933865][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933868][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.933870][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933872][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933875][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  121.933877][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.933879][T12705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  121.933881][T12705]  ? __kernel_text_address (kernel/extable.c:79)
[  121.933883][T12705]  ? write_profile (profile.c:?)
[  121.933885][T12705]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  121.933888][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933891][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933893][T12705]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  121.933897][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933899][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933902][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.933904][T12705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.933906][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.933908][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.933910][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.933914][T12705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.933916][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.933918][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.933920][T12705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.933922][T12705]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.933926][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933928][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.933931][T12705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.933934][T12705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.933936][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933939][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933941][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.933944][T12705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.933947][T12705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.933949][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933952][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.933954][T12705]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.933957][T12705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.933959][T12705]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  121.933962][T12705]  ? move_addr_to_kernel (net/socket.c:258)
[  121.933964][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.933968][T12705]  ___sys_sendmsg (net/socket.c:2767)
[  121.933970][T12705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.933978][T12705]  __sys_sendmsg (net/socket.c:2799)
[  121.933981][T12705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.933985][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.933988][T12705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.933990][T12705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.933993][T12705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.933995][T12705] RIP: 0033:0x7f6359bdf54e
[  121.933998][T12705] 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
[  121.934001][T12705] RSP: 002b:00007ffd3787fb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.934006][T12705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6359bdf54e
[  121.934008][T12705] RDX: 0000000000000000 RSI: 00007ffd3787fc20 RDI: 0000000000000005
[  121.934009][T12705] RBP: 00007ffd3787fb80 R08: 0000000000000000 R09: 0000000000000000
[  121.934010][T12705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d6c5
[  121.934011][T12705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd378802e0
| [  137.917708][T14770] softirqs last disabled at (0): 0x0
| [  137.917710][T14770] Preemption disabled at:
| [  137.917711][T14770] vprintk_emit (kernel/printk/printk.c:2471)
| [  137.917723][T14770] Tainted: [W]=WARN
[  137.917724][T14770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.917726][T14770] Call Trace:
[  137.917727][T14770]  <TASK>
[  137.917729][T14770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.917734][T14770]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  137.917736][T14770]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.917740][T14770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.917743][T14770]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  137.917747][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917751][T14770]  __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))
[  137.917753][T14770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  137.917756][T14770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.917760][T14770]  ? 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)
[  137.917762][T14770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.917764][T14770]  put_chars (drivers/char/virtio_console.c:1176)
[  137.917766][T14770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.917768][T14770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  137.917770][T14770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.917774][T14770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.917775][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917777][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.917780][T14770]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.917782][T14770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.917784][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917786][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917788][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917789][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.917791][T14770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  137.917793][T14770]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.917796][T14770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.917798][T14770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.917800][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.917802][T14770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.917804][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917805][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.917807][T14770]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  137.917808][T14770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  137.917811][T14770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.917813][T14770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.917815][T14770]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.917817][T14770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.917819][T14770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  137.917825][T14770]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.917827][T14770]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.917829][T14770]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  137.917832][T14770]  ? ___sys_sendmsg (net/socket.c:2767)
[  137.917833][T14770]  ? __sys_sendmsg (net/socket.c:2799)
[  137.917835][T14770]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.917838][T14770]  _printk (kernel/printk/printk.c:2504)
[  137.917842][T14770]  ? snapshot_read.cold (user.c:?)
[  137.917844][T14770]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  137.917847][T14770]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  137.917849][T14770]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  137.917850][T14770]  ? netdev_notice (net/core/dev.c:13194)
[  137.917852][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917854][T14770]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  137.917856][T14770]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  137.917858][T14770]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  137.917860][T14770]  ? 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)
[  137.917863][T14770]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  137.917866][T14770]  dev_set_allmulti (net/core/dev_api.c:315)
[  137.917869][T14770] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  137.917881][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  137.917885][T14770]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  137.917887][T14770] br_del_if (net/bridge/br_if.c:732) bridge
[  137.917895][T14770]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  137.917897][T14770]  do_set_master (net/core/rtnetlink.c:3055)
[  137.917900][T14770]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  137.917902][T14770]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  137.917905][T14770]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  137.917906][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917908][T14770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  137.917912][T14770]  ? kasan_save_stack (mm/kasan/common.c:58)
[  137.917915][T14770]  ? kasan_save_stack (mm/kasan/common.c:57)
[  137.917916][T14770]  ? kasan_save_track (mm/kasan/common.c:78)
[  137.917918][T14770]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  137.917919][T14770]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  137.917921][T14770]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  137.917922][T14770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  137.917923][T14770]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.917925][T14770]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.917926][T14770]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.917927][T14770]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  137.917929][T14770]  ? ___sys_sendmsg (net/socket.c:2767)
[  137.917930][T14770]  ? __sys_sendmsg (net/socket.c:2799)
[  137.917932][T14770]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.917933][T14770]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.917936][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917937][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.917939][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917941][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917943][T14770]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  137.917945][T14770]  ? __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)
[  137.917947][T14770]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  137.917949][T14770]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  137.917950][T14770]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  137.917957][T14770]  ? nla_get_range_signed (lib/nlattr.c:270)
[  137.917959][T14770]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  137.917961][T14770]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  137.917963][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917965][T14770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.917967][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.917968][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917970][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  137.917972][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  137.917974][T14770]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  137.917975][T14770]  ? __kernel_text_address (kernel/extable.c:79)
[  137.917976][T14770]  ? write_profile (profile.c:?)
[  137.917978][T14770]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  137.917980][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917982][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917984][T14770]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  137.917987][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.917989][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.917991][T14770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  137.917992][T14770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  137.917994][T14770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.917995][T14770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  137.917997][T14770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  137.917999][T14770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.918001][T14770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.918002][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.918004][T14770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  137.918005][T14770]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  137.918008][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.918009][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.918011][T14770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.918014][T14770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  137.918015][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.918017][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.918019][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.918021][T14770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.918023][T14770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  137.918025][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.918027][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.918028][T14770]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  137.918030][T14770]  ? copy_msghdr_from_user (net/socket.c:2650)
[  137.918032][T14770]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  137.918034][T14770]  ? move_addr_to_kernel (net/socket.c:258)
[  137.918035][T14770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  137.918038][T14770]  ___sys_sendmsg (net/socket.c:2767)
[  137.918040][T14770]  ? copy_msghdr_from_user (net/socket.c:2619)
[  137.918045][T14770]  __sys_sendmsg (net/socket.c:2799)
[  137.918047][T14770]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  137.918049][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.918052][T14770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.918053][T14770]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  137.918055][T14770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.918057][T14770] RIP: 0033:0x7f3c30ba054e
[  137.918059][T14770] 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
[  137.918061][T14770] RSP: 002b:00007ffce7a45980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  137.918065][T14770] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3c30ba054e
[  137.918067][T14770] RDX: 0000000000000000 RSI: 00007ffce7a45a30 RDI: 0000000000000005
[  137.918068][T14770] RBP: 00007ffce7a45990 R08: 0000000000000000 R09: 0000000000000000
[  137.918069][T14770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d6d5


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
netlink_release: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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars