======================================
| [   10.099166][  T192] softirqs last disabled at (42166): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.099168][  T192] Preemption disabled at:
| [   10.099169][  T192] 0x0
| [   10.099179][  T192] Tainted: [W]=WARN
[   10.099180][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.099182][  T192] Call Trace:
[   10.099183][  T192]  <TASK>
[   10.099185][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.099191][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.099196][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.099200][  T192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.099205][  T192]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.099207][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.099212][  T192]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.099215][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.099218][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[   10.099221][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.099222][  T192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.099227][  T192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.099232][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.099239][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.099241][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.099243][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.099247][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.099251][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.099253][  T192]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.099256][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.099258][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.099262][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.099266][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.099268][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.099274][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.099276][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.099278][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.099281][  T192]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.099284][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.099286][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.099289][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.099293][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.099296][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.099300][  T192]  _printk (kernel/printk/printk.c:2504)
[   10.099303][  T192]  ? snapshot_read.cold (user.c:?)
[   10.099306][  T192]  ? 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)
[   10.099309][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.099313][  T192]  ? 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)
[   10.099316][  T192]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.099319][  T192]  ? exit_notify (kernel/exit.c:780)
[   10.099321][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.099324][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.099328][  T192]  do_group_exit (kernel/exit.c:1151)
[   10.099331][  T192]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.099333][  T192]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.099335][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.099338][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.099341][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.099343][  T192] RIP: 0033:0x7fd63a6cf1b8
[   10.099345][  T192] Code: Unable to access opcode bytes at 0x7fd63a6cf18e.

Code starting with the faulting instruction
===========================================
[   10.099346][  T192] RSP: 002b:00007fff19401db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.099349][  T192] RAX: ffffffffffffffda RBX: 00007fd63a7fff88 RCX: 00007fd63a6cf1b8
[   10.099350][  T192] RDX: 00007fd63a419fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.099351][  T192] RBP: 00007fff19401e10 R08: 0000000000000000 R09: 0000000000008010
[   10.099352][  T192] R10: 00007fff19401bd0 R11: 0000000000000246 R12: 0000000000000001
[   10.099353][  T192] R13: 0000000000000000 R14: 00007fd63a7fe680 R15: 00007fd63a7fffa0
| [   11.222621][  T239] softirqs last disabled at (33673): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.222624][  T239] Preemption disabled at:
| [   11.222625][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.222637][  T239] Tainted: [W]=WARN
[   11.222638][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.222641][  T239] Call Trace:
[   11.222643][  T239]  <TASK>
[   11.222645][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.222652][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.222655][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.222661][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.222667][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.222674][  T239]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.222677][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.222686][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.222689][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.222695][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   11.222699][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.222701][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.222707][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.222711][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.222718][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.222722][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.222731][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.222735][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.222743][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.222750][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.222752][  T239]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.222757][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.222761][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.222767][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.222774][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.222776][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.222786][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.222790][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.222792][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.222796][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.222802][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.222804][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.222810][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.222816][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.222825][  T239]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.222831][  T239]  _printk (kernel/printk/printk.c:2504)
[   11.222836][  T239]  ? snapshot_read.cold (user.c:?)
[   11.222847][  T239]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.222851][  T239] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.222856][  T239]  do_one_initcall (init/main.c:1357)
[   11.222861][  T239]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.222868][  T239]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.222872][  T239]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.222880][  T239]  do_init_module (kernel/module/main.c:3117)
[   11.222886][  T239]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.222892][  T239]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.222897][  T239]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.222903][  T239]  load_module (kernel/module/main.c:3593)
[   11.222916][  T239]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.222922][  T239]  ? __ia32_sys_fsconfig (??:?)
[   11.222925][  T239]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.222930][  T239]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.222937][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.222943][  T239]  init_module_from_file (kernel/module/main.c:3790)
[   11.222948][  T239]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.222962][  T239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.222973][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.222978][  T239]  idempotent_init_module (kernel/module/main.c:3802)
[   11.222983][  T239]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.222994][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.222997][  T239]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.223006][  T239]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.223009][  T239]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.223014][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.223017][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.223022][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.223025][  T239] RIP: 0033:0x7fcc7819637d
[   11.223030][  T239] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.223032][  T239] RSP: 002b:00007ffef4257168 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.223036][  T239] RAX: ffffffffffffffda RBX: 000056002d466810 RCX: 00007fcc7819637d
[   11.223038][  T239] RDX: 0000000000000000 RSI: 000055fffd14fffd RDI: 0000000000000000
[   11.223039][  T239] RBP: 00007ffef4257200 R08: 0000000000000000 R09: 0000000000000000
[   11.223041][  T239] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fffd14fffd
[   11.223042][  T239] R13: 000056002d466960 R14: 0000000000040000 R15: 0000000000000000
| [   12.620642][  T285] softirqs last disabled at (11074): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.620645][  T285] Preemption disabled at:
| [   12.620645][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.620655][  T285] Tainted: [W]=WARN
[   12.620656][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.620657][  T285] Call Trace:
[   12.620659][  T285]  <TASK>
[   12.620661][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.620666][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.620668][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.620673][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.620677][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.620682][  T285]  __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))
[   12.620684][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.620690][  T285]  ? 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)
[   12.620692][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.620695][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   12.620698][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.620702][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.620706][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.620708][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.620710][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.620712][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.620716][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.620718][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.620721][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.620725][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.620729][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.620732][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.620734][  T285]  ? 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))
[   12.620737][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.620739][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.620743][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.620748][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.620749][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.620754][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.620757][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.620759][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.620761][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.620765][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.620766][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.620770][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.620774][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.620776][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.620777][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.620782][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.620785][  T285]  _printk (kernel/printk/printk.c:2504)
[   12.620789][  T285]  ? snapshot_read.cold (user.c:?)
[   12.620793][  T285]  ? br_multicast_flood (??:?) bridge
[   12.620805][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.620806][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.620807][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.620812][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.620822][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.620830][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   12.620839][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   12.620846][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.620850][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.620853][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   12.620856][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   12.620861][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.620864][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.620867][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.620868][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.620871][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.620874][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.620877][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.620879][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.620881][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.620884][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.620886][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.620888][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.620890][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.620893][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.620898][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.620900][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.620902][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.620905][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.620906][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.620908][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.620910][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.620914][  T285]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.620915][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.620917][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.620921][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.620923][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.620927][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.620935][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.620940][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.620942][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.620947][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.620948][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.620950][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.620952][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.620956][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.620958][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.620961][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.620962][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.620966][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.620968][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.620977][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.620979][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.620982][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.620988][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.620989][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.620993][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.620997][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.620999][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.621003][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.621007][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.621011][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.621016][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.621018][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.621020][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.621022][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.621029][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   12.621032][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.621047][  T285]  __sys_sendmsg (net/socket.c:2799)
[   12.621050][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.621056][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.621059][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.621062][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.621065][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.621067][  T285] RIP: 0033:0x7f0ef637d54e
[   12.621070][  T285] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.621072][  T285] RSP: 002b:00007ffc7d43d030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.621075][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0ef637d54e
[   12.621076][  T285] RDX: 0000000000000000 RSI: 00007ffc7d43d0e0 RDI: 0000000000000005
[   12.621077][  T285] RBP: 00007ffc7d43d040 R08: 0000000000000000 R09: 0000000000000000
[   12.621078][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916242
[   12.621079][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7d43d7a0
| [   14.413210][  T346] softirqs last disabled at (13016): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.413213][  T346] Preemption disabled at:
| [   14.413213][  T346] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.413222][  T346] Tainted: [W]=WARN
[   14.413223][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.413225][  T346] Call Trace:
[   14.413227][  T346]  <TASK>
[   14.413228][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.413234][  T346]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.413236][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.413240][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.413244][  T346]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.413249][  T346]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.413251][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.413257][  T346]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.413259][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.413262][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   14.413264][  T346]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.413266][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.413269][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.413273][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.413275][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.413279][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.413282][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.413284][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413285][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413289][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.413291][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.413294][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413297][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.413301][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.413305][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.413306][  T346]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.413309][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413312][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.413316][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.413320][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.413322][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413327][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.413330][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.413331][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413334][  T346]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.413337][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.413339][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.413342][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.413347][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.413349][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.413352][  T346]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.413355][  T346]  _printk (kernel/printk/printk.c:2504)
[   14.413359][  T346]  ? snapshot_read.cold (user.c:?)
[   14.413363][  T346]  ? br_multicast_flood (??:?) bridge
[   14.413375][  T346]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.413377][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.413378][  T346]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.413383][  T346] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.413393][  T346] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.413401][  T346] new_nbp (net/bridge/br_if.c:449) bridge
[   14.413410][  T346] br_add_if (net/bridge/br_if.c:592) bridge
[   14.413418][  T346]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.413422][  T346]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.413424][  T346]  ? __kernel_text_address (kernel/extable.c:79)
[   14.413428][  T346]  do_set_master (net/core/rtnetlink.c:3071)
[   14.413433][  T346]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.413436][  T346]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.413439][  T346]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.413440][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.413442][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.413446][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.413448][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.413450][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.413452][  T346]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.413455][  T346]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.413457][  T346]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.413460][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413461][  T346]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.413464][  T346]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.413469][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.413471][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.413473][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413475][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.413477][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413479][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413481][  T346]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.413485][  T346]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.413488][  T346]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.413490][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.413493][  T346]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.413495][  T346]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.413500][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.413505][  T346]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.413510][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.413512][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413516][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.413518][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.413520][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.413522][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.413526][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.413528][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.413531][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.413532][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413536][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.413538][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.413541][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.413543][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.413546][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.413552][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.413554][  T346]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.413558][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.413561][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.413564][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.413568][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.413572][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.413575][  T346]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.413581][  T346]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.413583][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.413585][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.413587][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   14.413594][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   14.413597][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.413612][  T346]  __sys_sendmsg (net/socket.c:2799)
[   14.413615][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.413621][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.413625][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.413627][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.413630][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.413632][  T346] RIP: 0033:0x7fb51c9da54e
[   14.413636][  T346] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.413638][  T346] RSP: 002b:00007ffd1e41a380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.413641][  T346] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb51c9da54e
[   14.413642][  T346] RDX: 0000000000000000 RSI: 00007ffd1e41a430 RDI: 0000000000000005
[   14.413643][  T346] RBP: 00007ffd1e41a390 R08: 0000000000000000 R09: 0000000000000000
[   14.413644][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916244
[   14.413645][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1e41aaf0
| [   16.217711][  T402] softirqs last disabled at (16268): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.217713][  T402] Preemption disabled at:
| [   16.217714][  T402] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.217723][  T402] Tainted: [W]=WARN
[   16.217724][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.217725][  T402] Call Trace:
[   16.217727][  T402]  <TASK>
[   16.217728][  T402]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.217734][  T402]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.217736][  T402]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.217741][  T402]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.217745][  T402]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.217749][  T402]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.217752][  T402]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.217757][  T402]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.217760][  T402]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.217763][  T402]  put_chars (drivers/char/virtio_console.c:1176)
[   16.217765][  T402]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.217767][  T402]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.217770][  T402]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.217774][  T402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.217776][  T402]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.217780][  T402]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.217783][  T402]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.217784][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.217786][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.217790][  T402]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.217792][  T402]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.217795][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.217797][  T402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.217801][  T402]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.217805][  T402]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.217807][  T402]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.217810][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.217812][  T402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.217816][  T402]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.217820][  T402]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.217822][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.217827][  T402]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.217830][  T402]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.217832][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.217834][  T402]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.217838][  T402]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.217839][  T402]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.217843][  T402]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.217847][  T402]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.217849][  T402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.217852][  T402]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.217855][  T402]  _printk (kernel/printk/printk.c:2504)
[   16.217859][  T402]  ? snapshot_read.cold (user.c:?)
[   16.217863][  T402]  ? br_multicast_flood (??:?) bridge
[   16.217875][  T402]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.217877][  T402]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.217878][  T402]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.217882][  T402] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.217892][  T402] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.217900][  T402] new_nbp (net/bridge/br_if.c:449) bridge
[   16.217910][  T402] br_add_if (net/bridge/br_if.c:592) bridge
[   16.217916][  T402]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.217920][  T402]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.217923][  T402]  ? __kernel_text_address (kernel/extable.c:79)
[   16.217927][  T402]  do_set_master (net/core/rtnetlink.c:3071)
[   16.217936][  T402]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.217940][  T402]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.217943][  T402]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.217944][  T402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.217946][  T402]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.217949][  T402]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.217952][  T402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.217954][  T402]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.217956][  T402]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.217959][  T402]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.217960][  T402]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.217963][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.217965][  T402]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.217968][  T402]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.217972][  T402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.217974][  T402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.217976][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.217979][  T402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.217980][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.217982][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.217990][  T402]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.217993][  T402]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.217996][  T402]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.217998][  T402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.218002][  T402]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.218003][  T402]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.218008][  T402]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.218013][  T402]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.218019][  T402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.218021][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.218025][  T402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.218027][  T402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.218029][  T402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.218031][  T402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.218034][  T402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.218036][  T402]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.218039][  T402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.218041][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.218045][  T402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.218047][  T402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.218050][  T402]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.218052][  T402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.218055][  T402]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.218061][  T402]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.218062][  T402]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.218066][  T402]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.218070][  T402]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.218073][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.218077][  T402]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.218080][  T402]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.218084][  T402]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.218089][  T402]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.218091][  T402]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.218094][  T402]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.218095][  T402]  ? move_addr_to_kernel (net/socket.c:258)
[   16.218103][  T402]  ___sys_sendmsg (net/socket.c:2767)
[   16.218105][  T402]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.218121][  T402]  __sys_sendmsg (net/socket.c:2799)
[   16.218124][  T402]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.218130][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.218133][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.218136][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.218139][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.218141][  T402] RIP: 0033:0x7ff71e90e54e
[   16.218145][  T402] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.218146][  T402] RSP: 002b:00007ffcbdeee650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.218149][  T402] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff71e90e54e
[   16.218151][  T402] RDX: 0000000000000000 RSI: 00007ffcbdeee700 RDI: 0000000000000005
[   16.218152][  T402] RBP: 00007ffcbdeee660 R08: 0000000000000000 R09: 0000000000000000
[   16.218152][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916246
[   16.218153][  T402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbdeeedc0
| [   28.016036][    C1] softirqs last disabled at (901297): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.016038][    C1] Preemption disabled at:
| [   28.016038][    C1] 0x0
| [   28.016049][    C1] Tainted: [W]=WARN
[   28.016050][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.016052][    C1] Call Trace:
[   28.016053][    C1]  <IRQ>
[   28.016055][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.016060][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.016064][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.016067][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.016070][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016073][    C1]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.016076][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.016079][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.016083][    C1]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.016084][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.016086][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   28.016088][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.016090][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.016093][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.016096][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.016097][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016099][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.016101][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.016103][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.016105][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016107][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016108][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.016110][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.016112][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.016114][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.016116][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.016118][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.016119][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.016121][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016123][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.016124][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.016126][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.016128][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.016130][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.016132][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.016134][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.016145][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.016147][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.016153][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.016159][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.016162][    C1]  _printk (kernel/printk/printk.c:2504)
[   28.016166][    C1]  ? snapshot_read.cold (user.c:?)
[   28.016167][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.016171][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.016173][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.016175][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.016177][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.016180][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.016182][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.016183][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.016185][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.016187][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.016193][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016195][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.016197][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.016203][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.016204][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.016210][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.016216][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.016222][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   28.016225][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.016226][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.016230][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.016231][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.016233][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016235][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.016237][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.016243][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.016245][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.016248][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.016250][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.016252][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.016253][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.016256][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016257][    C1]  handle_softirqs (kernel/softirq.c:645)
[   28.016259][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.016261][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.016263][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.016264][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   28.016265][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.016268][    C1]  </IRQ>
[   28.016269][    C1]  <TASK>
[   28.016269][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.016271][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.016273][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.016275][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.016277][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   28.016280][    C1] RAX: 00000000000dc0af RBX: ff11000001bea380 RCX: ffffffffabaf0307
[   28.016282][    C1] RDX: ff11000001bea380 RSI: ffffffffae838b01 RDI: ffffffffae28d8e0
[   28.016282][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.016283][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   28.016284][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.016285][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.016288][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.016290][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   28.016292][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.016293][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   28.016295][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.016297][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.016299][    C1]  do_idle (kernel/sched/idle.c:355)
[   28.016301][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.016302][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.016304][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.016306][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.076883][    C1]
| [   28.076948][    C1]
| [   28.076948][    C1] stack backtrace:
| [   28.077168][    C1] Tainted: [W]=WARN
[   28.077169][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.077170][    C1] Call Trace:
[   28.077172][    C1]  <IRQ>
[   28.077174][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.077178][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.077182][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.077185][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.077186][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.077188][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.077190][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.077192][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.077199][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.077202][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.077204][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.077210][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.077211][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.077217][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.077224][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.077230][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   28.077232][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.077233][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.077237][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.077239][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.077240][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.077242][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.077244][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.077251][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.077253][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.077255][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.077258][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.077260][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.077261][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.077263][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.077265][    C1]  handle_softirqs (kernel/softirq.c:645)
[   28.077267][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.077268][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.077270][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.077272][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   28.077273][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.077275][    C1]  </IRQ>
[   28.077275][    C1]  <TASK>
[   28.077276][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.077277][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.077279][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.077281][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.077283][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   28.077286][    C1] RAX: 00000000000dc0af RBX: ff11000001bea380 RCX: ffffffffabaf0307
[   28.077287][    C1] RDX: ff11000001bea380 RSI: ffffffffae838b01 RDI: ffffffffae28d8e0
[   28.077288][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.077289][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   28.077290][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.077291][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.077293][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.077295][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   28.077297][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.077298][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   28.077300][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.077302][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.077304][    C1]  do_idle (kernel/sched/idle.c:355)
[   28.077305][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.077306][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.077308][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.077310][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.533748][   T12] softirqs last disabled at (51558): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   29.533750][   T12] Preemption disabled at:
| [   29.533751][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.533762][   T12] Tainted: [W]=WARN
[   29.533762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.533764][   T12] Workqueue: netns cleanup_net
[   29.533770][   T12] Call Trace:
[   29.533772][   T12]  <TASK>
[   29.533773][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.533778][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.533781][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.533784][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.533787][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533791][   T12]  __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))
[   29.533795][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.533797][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.533801][   T12]  ? 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)
[   29.533802][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.533804][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   29.533805][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.533807][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.533809][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.533811][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.533815][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.533816][   T12]  ? 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)
[   29.533818][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.533819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533823][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.533825][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.533827][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.533829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533832][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533834][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.533836][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.533838][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.533840][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.533842][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.533844][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.533846][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.533847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533849][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.533850][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.533852][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.533854][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.533855][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.533857][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.533860][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.533861][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   29.533864][   T12]  ? kthread (kernel/kthread.c:436)
[   29.533866][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   29.533868][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   29.533871][   T12]  _printk (kernel/printk/printk.c:2504)
[   29.533874][   T12]  ? snapshot_read.cold (user.c:?)
[   29.533876][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.533879][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.533880][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.533882][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   29.533884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533886][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.533888][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.533890][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.533891][   T12]  ? 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)
[   29.533894][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.533897][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.533899][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.533912][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   29.533920][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   29.533927][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   29.533929][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   29.533931][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.533937][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   29.533939][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.533941][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.533942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.533945][   T12]  process_one_work (kernel/workqueue.c:3387)
[   29.533947][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   29.533949][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.533951][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.533953][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.533956][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.533958][   T12]  kthread (kernel/kthread.c:436)
[   29.533960][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.533961][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.533963][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.533964][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   29.533966][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.533968][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars