======================================
| [   19.432231][  T556] softirqs last disabled at (32057): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   19.432233][  T556] Preemption disabled at:
| [   19.432234][  T556] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.432242][  T556] Tainted: [W]=WARN
[   19.432243][  T556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.432245][  T556] Call Trace:
[   19.432246][  T556]  <TASK>
[   19.432248][  T556]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.432253][  T556]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.432255][  T556]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.432259][  T556]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.432262][  T556]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.432267][  T556]  __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))
[   19.432270][  T556]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.432276][  T556]  ? 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)
[   19.432279][  T556]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.432282][  T556]  put_chars (drivers/char/virtio_console.c:1176)
[   19.432285][  T556]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.432288][  T556]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.432294][  T556]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.432301][  T556]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.432303][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432306][  T556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.432311][  T556]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.432314][  T556]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.432315][  T556]  ? 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))
[   19.432318][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432320][  T556]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.432324][  T556]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.432327][  T556]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.432329][  T556]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.432334][  T556]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.432336][  T556]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.432338][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432339][  T556]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.432343][  T556]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.432345][  T556]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.432348][  T556]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.432352][  T556]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.432357][  T556]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   19.432360][  T556]  _printk (kernel/printk/printk.c:2504)
[   19.432364][  T556]  ? snapshot_read.cold (user.c:?)
[   19.432371][  T556]  ? 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)
[   19.432374][  T556] ipip_init (net/ipv4/ipip.c:438) ipip
[   19.432377][  T556]  do_one_initcall (init/main.c:1357)
[   19.432380][  T556]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   19.432385][  T556]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   19.432387][  T556]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   19.432392][  T556]  do_init_module (kernel/module/main.c:3117)
[   19.432395][  T556]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.432400][  T556]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   19.432403][  T556]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   19.432407][  T556]  load_module (kernel/module/main.c:3593)
[   19.432414][  T556]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   19.432417][  T556]  ? __ia32_sys_fsconfig (??:?)
[   19.432420][  T556]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   19.432424][  T556]  ? backing_file_read_iter (fs/backing-file.c:211)
[   19.432427][  T556]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.432431][  T556]  init_module_from_file (kernel/module/main.c:3790)
[   19.432434][  T556]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   19.432441][  T556]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   19.432445][  T556]  ? 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)
[   19.432449][  T556]  idempotent_init_module (kernel/module/main.c:3802)
[   19.432452][  T556]  ? init_module_from_file (kernel/module/main.c:3791)
[   19.432457][  T556]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.432459][  T556]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   19.432464][  T556]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   19.432466][  T556]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.432470][  T556]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.432472][  T556]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.432475][  T556]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.432477][  T556] RIP: 0033:0x7f1f3032237d
[   19.432480][  T556] 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
[   19.432482][  T556] RSP: 002b:00007fffb46c7368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   19.432484][  T556] RAX: ffffffffffffffda RBX: 000055a823e40810 RCX: 00007f1f3032237d
[   19.432486][  T556] RDX: 0000000000000000 RSI: 000055a7e42c0ffd RDI: 0000000000000002
[   19.432487][  T556] RBP: 00007fffb46c7400 R08: 0000000000000000 R09: 0000000000000000
[   19.432488][  T556] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7e42c0ffd
[   19.432488][  T556] R13: 000055a823e409b0 R14: 0000000000040000 R15: 0000000000000000
| [   22.065357][  T660] softirqs last disabled at (19807): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.065360][  T660] Preemption disabled at:
| [   22.065361][  T660] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.065374][  T660] Tainted: [W]=WARN
[   22.065375][  T660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.065377][  T660] Call Trace:
[   22.065379][  T660]  <TASK>
[   22.065381][  T660]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.065388][  T660]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.065390][  T660]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.065396][  T660]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.065401][  T660]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.065408][  T660]  __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))
[   22.065411][  T660]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.065420][  T660]  ? 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)
[   22.065424][  T660]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.065429][  T660]  put_chars (drivers/char/virtio_console.c:1176)
[   22.065434][  T660]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.065439][  T660]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.065448][  T660]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.065458][  T660]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.065462][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.065467][  T660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.065473][  T660]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.065479][  T660]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.065481][  T660]  ? 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))
[   22.065486][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.065489][  T660]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.065495][  T660]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.065501][  T660]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.065503][  T660]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.065513][  T660]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.065517][  T660]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.065519][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.065522][  T660]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.065528][  T660]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.065531][  T660]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.065536][  T660]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.065544][  T660]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.065554][  T660]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   22.065560][  T660]  _printk (kernel/printk/printk.c:2504)
[   22.065565][  T660]  ? snapshot_read.cold (user.c:?)
[   22.065576][  T660]  ? 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)
[   22.065581][  T660] 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
[   22.065586][  T660]  do_one_initcall (init/main.c:1357)
[   22.065590][  T660]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.065598][  T660]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   22.065601][  T660]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.065609][  T660]  do_init_module (kernel/module/main.c:3117)
[   22.065614][  T660]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.065620][  T660]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.065625][  T660]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   22.065632][  T660]  load_module (kernel/module/main.c:3593)
[   22.065644][  T660]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   22.065649][  T660]  ? __ia32_sys_fsconfig (??:?)
[   22.065653][  T660]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   22.065658][  T660]  ? backing_file_read_iter (fs/backing-file.c:211)
[   22.065663][  T660]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.065670][  T660]  init_module_from_file (kernel/module/main.c:3790)
[   22.065675][  T660]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   22.065695][  T660]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.065701][  T660]  ? 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)
[   22.065706][  T660]  idempotent_init_module (kernel/module/main.c:3802)
[   22.065711][  T660]  ? init_module_from_file (kernel/module/main.c:3791)
[   22.065721][  T660]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.065724][  T660]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.065732][  T660]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   22.065735][  T660]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.065740][  T660]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.065743][  T660]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.065748][  T660]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.065751][  T660] RIP: 0033:0x7f669e77737d
[   22.065755][  T660] 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
[   22.065757][  T660] RSP: 002b:00007ffe11aff4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.065760][  T660] RAX: ffffffffffffffda RBX: 000055aefdbeb810 RCX: 00007f669e77737d
[   22.065762][  T660] RDX: 0000000000000000 RSI: 000055aec506cffd RDI: 0000000000000000
[   22.065764][  T660] RBP: 00007ffe11aff550 R08: 0000000000000000 R09: 0000000000000000
[   22.065765][  T660] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aec506cffd
[   22.065766][  T660] R13: 000055aefdbeb960 R14: 0000000000040000 R15: 0000000000000000
| [   25.129972][  T766] softirqs last disabled at (85945): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.129974][  T766] Preemption disabled at:
| [   25.129975][  T766] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.129986][  T766] Tainted: [W]=WARN
[   25.129987][  T766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.129989][  T766] Call Trace:
[   25.129990][  T766]  <TASK>
[   25.129992][  T766]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.129996][  T766]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.129998][  T766]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.130002][  T766]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.130005][  T766]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.130010][  T766]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.130013][  T766]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.130019][  T766]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.130022][  T766]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.130025][  T766]  put_chars (drivers/char/virtio_console.c:1176)
[   25.130028][  T766]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.130031][  T766]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.130037][  T766]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.130043][  T766]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.130046][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.130049][  T766]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.130053][  T766]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.130057][  T766]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.130058][  T766]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.130061][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.130062][  T766]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.130067][  T766]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.130070][  T766]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.130072][  T766]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.130077][  T766]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.130079][  T766]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.130081][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.130082][  T766]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.130086][  T766]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.130088][  T766]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.130091][  T766]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.130095][  T766]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.130096][  T766]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.130099][  T766]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.130103][  T766]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   25.130106][  T766]  _printk (kernel/printk/printk.c:2504)
[   25.130109][  T766]  ? snapshot_read.cold (user.c:?)
[   25.130111][  T766]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   25.130116][  T766]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   25.130121][  T766]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   25.130123][  T766] br_init (bridge.mod.c:?) bridge
[   25.130137][  T766]  do_one_initcall (init/main.c:1357)
[   25.130141][  T766]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.130145][  T766]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.130148][  T766]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.130152][  T766]  do_init_module (kernel/module/main.c:3117)
[   25.130156][  T766]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.130159][  T766]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.130162][  T766]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.130166][  T766]  load_module (kernel/module/main.c:3593)
[   25.130173][  T766]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.130177][  T766]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.130181][  T766]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.130185][  T766]  init_module_from_file (kernel/module/main.c:3790)
[   25.130187][  T766]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   25.130195][  T766]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.130199][  T766]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.130202][  T766]  idempotent_init_module (kernel/module/main.c:3802)
[   25.130205][  T766]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.130211][  T766]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.130213][  T766]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.130218][  T766]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.130219][  T766]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.130223][  T766]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.130225][  T766]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.130228][  T766]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.130230][  T766] RIP: 0033:0x7f4086ad337d
[   25.130234][  T766] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.130235][  T766] RSP: 002b:00007ffe97f96668 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.130238][  T766] RAX: ffffffffffffffda RBX: 00005607e41d8810 RCX: 00007f4086ad337d
[   25.130239][  T766] RDX: 0000000000000000 RSI: 00005607cd405ffd RDI: 0000000000000002
[   25.130240][  T766] RBP: 00007ffe97f96700 R08: 0000000000000000 R09: 0000000000000000
[   25.130241][  T766] R10: 0000000000000000 R11: 0000000000000246 R12: 00005607cd405ffd
[   25.130242][  T766] R13: 00005607e41d89c0 R14: 0000000000040000 R15: 0000000000000000
| [   28.407469][  T893] softirqs last disabled at (16738): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   28.407472][  T893] Preemption disabled at:
| [   28.407472][  T893] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.407481][  T893] Tainted: [W]=WARN
[   28.407482][  T893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.407484][  T893] Call Trace:
[   28.407485][  T893]  <TASK>
[   28.407487][  T893]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.407492][  T893]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.407494][  T893]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.407498][  T893]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.407501][  T893]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.407507][  T893]  __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))
[   28.407509][  T893]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.407516][  T893]  ? 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)
[   28.407519][  T893]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.407522][  T893]  put_chars (drivers/char/virtio_console.c:1176)
[   28.407524][  T893]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   28.407527][  T893]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.407530][  T893]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.407534][  T893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.407539][  T893]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.407544][  T893]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.407547][  T893]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   28.407550][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.407551][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.407556][  T893]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.407558][  T893]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   28.407561][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407563][  T893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.407568][  T893]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.407571][  T893]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.407573][  T893]  ? 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))
[   28.407575][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407577][  T893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.407582][  T893]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.407585][  T893]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.407587][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.407592][  T893]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.407595][  T893]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.407596][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407598][  T893]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.407602][  T893]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.407604][  T893]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.407607][  T893]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.407610][  T893]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.407612][  T893]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.407613][  T893]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.407616][  T893]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.407618][  T893]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.407619][  T893]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.407622][  T893]  ? ___sys_sendmsg (net/socket.c:2767)
[   28.407623][  T893]  ? __sys_sendmsg (net/socket.c:2799)
[   28.407627][  T893]  _printk (kernel/printk/printk.c:2504)
[   28.407631][  T893]  ? snapshot_read.cold (user.c:?)
[   28.407636][  T893]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   28.407639][  T893]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   28.407643][  T893]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   28.407646][  T893]  ? netdev_notice (net/core/dev.c:13194)
[   28.407650][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407652][  T893]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   28.407655][  T893]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   28.407657][  T893]  ? 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)
[   28.407660][  T893]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   28.407665][  T893]  dev_set_allmulti (net/core/dev_api.c:315)
[   28.407669][  T893] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   28.407686][  T893] br_del_if (net/bridge/br_if.c:732) bridge
[   28.407697][  T893]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   28.407701][  T893]  do_set_master (net/core/rtnetlink.c:3055)
[   28.407706][  T893]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   28.407709][  T893]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.407713][  T893]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   28.407714][  T893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   28.407716][  T893]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   28.407720][  T893]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.407722][  T893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.407724][  T893]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.407735][  T893]  ? kasan_save_stack (mm/kasan/common.c:58)
[   28.407739][  T893]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.407740][  T893]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.407743][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.407745][  T893]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   28.407748][  T893]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   28.407751][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.407753][  T893]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.407756][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407758][  T893]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.407760][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407761][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407763][  T893]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   28.407766][  T893]  ? __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)
[   28.407769][  T893]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   28.407772][  T893]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   28.407775][  T893]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   28.407777][  T893]  ? nla_get_range_signed (lib/nlattr.c:270)
[   28.407783][  T893]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   28.407788][  T893]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   28.407794][  T893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.407796][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.407800][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.407803][  T893]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.407805][  T893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.407807][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.407811][  T893]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   28.407813][  T893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   28.407816][  T893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.407817][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.407822][  T893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.407824][  T893]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.407828][  T893]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   28.407830][  T893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   28.407833][  T893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   28.407839][  T893]  ? 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))
[   28.407841][  T893]  ? 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))
[   28.407845][  T893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   28.407849][  T893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.407852][  T893]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   28.407856][  T893]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   28.407860][  T893]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   28.407861][  T893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.407864][  T893]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.407869][  T893]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.407873][  T893]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   28.407875][  T893]  ? copy_msghdr_from_user (net/socket.c:2650)
[   28.407877][  T893]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   28.407879][  T893]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   28.407887][  T893]  ___sys_sendmsg (net/socket.c:2767)
[   28.407890][  T893]  ? copy_msghdr_from_user (net/socket.c:2619)
[   28.407906][  T893]  __sys_sendmsg (net/socket.c:2799)
[   28.407908][  T893]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   28.407915][  T893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.407918][  T893]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.407921][  T893]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.407924][  T893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.407926][  T893] RIP: 0033:0x7f7dfdc9054e
[   28.407930][  T893] 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
[   28.407932][  T893] RSP: 002b:00007fff7e4d8ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   28.407935][  T893] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7dfdc9054e
[   28.407936][  T893] RDX: 0000000000000000 RSI: 00007fff7e4d8b90 RDI: 0000000000000005
[   28.407937][  T893] RBP: 00007fff7e4d8af0 R08: 0000000000000000 R09: 0000000000000000
[   28.407938][  T893] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a590
[   28.407939][  T893] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7e4d9260
| [   29.845776][  T662] softirqs last disabled at (10352): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   29.845784][  T662] Preemption disabled at:
| [   29.845785][  T662] 0x0
| [   29.845795][  T662] Tainted: [W]=WARN
[   29.845796][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.845798][  T662] Workqueue: events netdev_work_proc
[   29.845801][  T662] Call Trace:
[   29.845803][  T662]  <TASK>
[   29.845804][  T662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.845810][  T662]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.845815][  T662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.845818][  T662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.845823][  T662]  __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))
[   29.845826][  T662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.845832][  T662]  ? 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)
[   29.845835][  T662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.845838][  T662]  put_chars (drivers/char/virtio_console.c:1176)
[   29.845841][  T662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.845848][  T662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.845856][  T662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.845859][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.845864][  T662]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.845867][  T662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.845869][  T662]  ? 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))
[   29.845871][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.845875][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.845879][  T662]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.845883][  T662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.845884][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.845890][  T662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.845893][  T662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.845894][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.845896][  T662]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.845900][  T662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.845902][  T662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.845905][  T662]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.845909][  T662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.845912][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.845917][  T662]  _printk (kernel/printk/printk.c:2504)
[   29.845921][  T662]  ? snapshot_read.cold (user.c:?)
[   29.845924][  T662]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   29.845931][  T662] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.845943][  T662] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.845953][  T662] br_device_event (net/bridge/br.c:111) bridge
[   29.845962][  T662]  ? 0xffffffffc0c00000
[   29.845968][  T662]  notifier_call_chain (kernel/notifier.c:85)
[   29.845975][  T662]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   29.845982][  T662]  ? netif_change_name (net/core/dev.c:1517)
[   29.845987][  T662]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   29.845989][  T662]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   29.845993][  T662]  ? process_one_work (kernel/workqueue.c:3387)
[   29.845994][  T662]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.845995][  T662]  ? kthread (kernel/kthread.c:436)
[   29.845997][  T662]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   29.846001][  T662]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   29.846005][  T662]  netif_change_flags (net/core/dev.c:9882)
[   29.846010][  T662] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   29.846015][  T662]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   29.846017][  T662]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   29.846019][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846021][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.846023][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.846027][  T662]  process_one_work (kernel/workqueue.c:3387)
[   29.846034][  T662]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   29.846036][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.846044][  T662]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.846048][  T662]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.846050][  T662]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   29.846053][  T662]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.846055][  T662]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.846057][  T662]  kthread (kernel/kthread.c:436)
[   29.846059][  T662]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.846062][  T662]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.846065][  T662]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.846068][  T662]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   29.846072][  T662]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.846075][  T662]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.846078][  T662]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.463327][ T1604] softirqs last disabled at (20882): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   65.463330][ T1604] Preemption disabled at:
| [   65.463330][ T1604] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.463339][ T1604] Tainted: [W]=WARN
[   65.463340][ T1604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.463341][ T1604] Call Trace:
[   65.463343][ T1604]  <TASK>
[   65.463345][ T1604]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.463349][ T1604]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.463351][ T1604]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.463356][ T1604]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.463359][ T1604]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.463364][ T1604]  __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))
[   65.463366][ T1604]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.463373][ T1604]  ? 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)
[   65.463376][ T1604]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.463379][ T1604]  put_chars (drivers/char/virtio_console.c:1176)
[   65.463382][ T1604]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.463386][ T1604]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.463389][ T1604]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.463392][ T1604]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.463397][ T1604]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.463400][ T1604]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   65.463402][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.463404][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.463409][ T1604]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.463410][ T1604]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.463415][ T1604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.463419][ T1604]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.463423][ T1604]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.463424][ T1604]  ? 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))
[   65.463427][ T1604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.463429][ T1604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.463433][ T1604]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.463437][ T1604]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.463439][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.463444][ T1604]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.463447][ T1604]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.463448][ T1604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.463450][ T1604]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.463454][ T1604]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.463456][ T1604]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.463459][ T1604]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.463463][ T1604]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.463465][ T1604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.463468][ T1604]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.463471][ T1604]  _printk (kernel/printk/printk.c:2504)
[   65.463475][ T1604]  ? snapshot_read.cold (user.c:?)
[   65.463479][ T1604]  ? br_multicast_flood (??:?) bridge
[   65.463495][ T1604]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.463496][ T1604]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.463497][ T1604]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.463502][ T1604] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   65.463513][ T1604] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   65.463522][ T1604] new_nbp (net/bridge/br_if.c:449) bridge
[   65.463531][ T1604] br_add_if (net/bridge/br_if.c:592) bridge
[   65.463539][ T1604]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   65.463543][ T1604]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   65.463549][ T1604]  do_set_master (net/core/rtnetlink.c:3071)
[   65.463555][ T1604]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   65.463558][ T1604]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.463562][ T1604]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.463563][ T1604]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.463565][ T1604]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.463569][ T1604]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.463571][ T1604]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.463573][ T1604]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.463576][ T1604]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.463579][ T1604]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.463581][ T1604]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.463584][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.463586][ T1604]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   65.463589][ T1604]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   65.463593][ T1604]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.463595][ T1604]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.463598][ T1604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.463600][ T1604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.463602][ T1604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.463603][ T1604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.463605][ T1604]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.463608][ T1604]  ? __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)
[   65.463611][ T1604]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.463613][ T1604]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.463617][ T1604]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.463619][ T1604]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.463625][ T1604]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.463630][ T1604]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.463635][ T1604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.463637][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.463642][ T1604]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.463644][ T1604]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.463647][ T1604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.463649][ T1604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.463653][ T1604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.463655][ T1604]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.463658][ T1604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.463659][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.463664][ T1604]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.463666][ T1604]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.463670][ T1604]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.463672][ T1604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.463675][ T1604]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.463681][ T1604]  ? 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))
[   65.463683][ T1604]  ? 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))
[   65.463687][ T1604]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.463691][ T1604]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.463694][ T1604]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   65.463698][ T1604]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.463702][ T1604]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.463703][ T1604]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.463706][ T1604]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   65.463710][ T1604]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   65.463714][ T1604]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.463717][ T1604]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.463719][ T1604]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.463721][ T1604]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   65.463728][ T1604]  ___sys_sendmsg (net/socket.c:2767)
[   65.463731][ T1604]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.463747][ T1604]  __sys_sendmsg (net/socket.c:2799)
[   65.463751][ T1604]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.463757][ T1604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.463760][ T1604]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.463763][ T1604]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.463766][ T1604]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.463769][ T1604] RIP: 0033:0x7f3e5028654e
[   65.463772][ T1604] 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
[   65.463774][ T1604] RSP: 002b:00007fff3374cd50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.463777][ T1604] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3e5028654e
[   65.463778][ T1604] RDX: 0000000000000000 RSI: 00007fff3374ce00 RDI: 0000000000000005
[   65.463779][ T1604] RBP: 00007fff3374cd60 R08: 0000000000000000 R09: 0000000000000000
[   65.463780][ T1604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5b5
[   65.463781][ T1604] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3374d4d0
| [   74.734956][ T1727] softirqs last disabled at (15150): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   74.734958][ T1727] Preemption disabled at:
| [   74.734959][ T1727] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.734967][ T1727] Tainted: [W]=WARN
[   74.734968][ T1727] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.734970][ T1727] Call Trace:
[   74.734972][ T1727]  <TASK>
[   74.734973][ T1727]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.734980][ T1727]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.734982][ T1727]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.734988][ T1727]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.734991][ T1727]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.734997][ T1727]  __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))
[   74.734999][ T1727]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.735005][ T1727]  ? 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)
[   74.735008][ T1727]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.735012][ T1727]  put_chars (drivers/char/virtio_console.c:1176)
[   74.735014][ T1727]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   74.735016][ T1727]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.735019][ T1727]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.735023][ T1727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.735026][ T1727]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.735030][ T1727]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.735033][ T1727]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.735036][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.735037][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.735042][ T1727]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.735044][ T1727]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   74.735046][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735049][ T1727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.735053][ T1727]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.735056][ T1727]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.735058][ T1727]  ? 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))
[   74.735060][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735062][ T1727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.735066][ T1727]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.735078][ T1727]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.735079][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.735085][ T1727]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.735087][ T1727]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.735088][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735090][ T1727]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   74.735094][ T1727]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.735096][ T1727]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.735099][ T1727]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.735102][ T1727]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.735103][ T1727]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.735105][ T1727]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.735108][ T1727]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.735109][ T1727]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.735111][ T1727]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.735113][ T1727]  ? ___sys_sendmsg (net/socket.c:2767)
[   74.735115][ T1727]  ? __sys_sendmsg (net/socket.c:2799)
[   74.735119][ T1727]  _printk (kernel/printk/printk.c:2504)
[   74.735122][ T1727]  ? snapshot_read.cold (user.c:?)
[   74.735127][ T1727]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.735130][ T1727]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.735133][ T1727]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.735136][ T1727]  ? netdev_notice (net/core/dev.c:13194)
[   74.735140][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735142][ T1727]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   74.735145][ T1727]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   74.735147][ T1727]  ? 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)
[   74.735150][ T1727]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   74.735155][ T1727]  dev_set_allmulti (net/core/dev_api.c:315)
[   74.735158][ T1727] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   74.735175][ T1727] br_del_if (net/bridge/br_if.c:732) bridge
[   74.735182][ T1727]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   74.735187][ T1727]  do_set_master (net/core/rtnetlink.c:3055)
[   74.735191][ T1727]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   74.735194][ T1727]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   74.735198][ T1727]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   74.735199][ T1727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   74.735201][ T1727]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.735205][ T1727]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.735207][ T1727]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.735209][ T1727]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.735212][ T1727]  ? kasan_save_stack (mm/kasan/common.c:58)
[   74.735215][ T1727]  ? kasan_save_stack (mm/kasan/common.c:57)
[   74.735217][ T1727]  ? kasan_save_track (mm/kasan/common.c:78)
[   74.735220][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.735222][ T1727]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   74.735224][ T1727]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   74.735227][ T1727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.735229][ T1727]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.735232][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735234][ T1727]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.735236][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735237][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735239][ T1727]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.735241][ T1727]  ? __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)
[   74.735244][ T1727]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.735247][ T1727]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.735250][ T1727]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.735252][ T1727]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.735258][ T1727]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   74.735263][ T1727]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.735268][ T1727]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.735270][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.735275][ T1727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.735277][ T1727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.735279][ T1727]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.735281][ T1727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.735285][ T1727]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.735287][ T1727]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.735290][ T1727]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.735291][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.735296][ T1727]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.735298][ T1727]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.735301][ T1727]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.735303][ T1727]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.735306][ T1727]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.735312][ T1727]  ? 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))
[   74.735313][ T1727]  ? 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))
[   74.735317][ T1727]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.735321][ T1727]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.735324][ T1727]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   74.735328][ T1727]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.735332][ T1727]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.735333][ T1727]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.735336][ T1727]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   74.735340][ T1727]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   74.735344][ T1727]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.735346][ T1727]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.735348][ T1727]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   74.735350][ T1727]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   74.735357][ T1727]  ___sys_sendmsg (net/socket.c:2767)
[   74.735360][ T1727]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.735376][ T1727]  __sys_sendmsg (net/socket.c:2799)
[   74.735378][ T1727]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.735385][ T1727]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.735388][ T1727]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.735390][ T1727]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.735393][ T1727]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.735396][ T1727] RIP: 0033:0x7f06fda4654e
[   74.735400][ T1727] 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
[   74.735401][ T1727] RSP: 002b:00007ffd2baff120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.735404][ T1727] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f06fda4654e
[   74.735405][ T1727] RDX: 0000000000000000 RSI: 00007ffd2baff1d0 RDI: 0000000000000005
[   74.735406][ T1727] RBP: 00007ffd2baff130 R08: 0000000000000000 R09: 0000000000000000
[   74.735407][ T1727] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a5bf
[   74.735408][ T1727] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2baff8a0
| [   79.200349][  T662] softirqs last disabled at (43192): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   79.200357][  T662] Preemption disabled at:
| [   79.200357][  T662] 0x0
| [   79.200368][  T662] Tainted: [W]=WARN
[   79.200369][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.200371][  T662] Workqueue: events netdev_work_proc
[   79.200374][  T662] Call Trace:
[   79.200376][  T662]  <TASK>
[   79.200377][  T662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.200383][  T662]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.200387][  T662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.200391][  T662]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   79.200396][  T662]  __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))
[   79.200399][  T662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.200404][  T662]  ? 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)
[   79.200408][  T662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.200411][  T662]  put_chars (drivers/char/virtio_console.c:1176)
[   79.200414][  T662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.200421][  T662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.200428][  T662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.200431][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.200436][  T662]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.200440][  T662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.200441][  T662]  ? 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))
[   79.200444][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.200447][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.200451][  T662]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.200455][  T662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.200457][  T662]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.200462][  T662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.200465][  T662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.200466][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.200468][  T662]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   79.200472][  T662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.200474][  T662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.200477][  T662]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.200481][  T662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.200483][  T662]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.200485][  T662]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.200488][  T662]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.200493][  T662]  _printk (kernel/printk/printk.c:2504)
[   79.200496][  T662]  ? snapshot_read.cold (user.c:?)
[   79.200499][  T662]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   79.200507][  T662] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   79.200520][  T662] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   79.200530][  T662] br_device_event (net/bridge/br.c:111) bridge
[   79.200539][  T662]  ? 0xffffffffc0c00000
[   79.200546][  T662]  notifier_call_chain (kernel/notifier.c:85)
[   79.200552][  T662]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   79.200558][  T662]  ? netif_change_name (net/core/dev.c:1517)
[   79.200562][  T662]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   79.200564][  T662]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   79.200568][  T662]  ? process_one_work (kernel/workqueue.c:3387)
[   79.200569][  T662]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   79.200570][  T662]  ? kthread (kernel/kthread.c:436)
[   79.200572][  T662]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   79.200575][  T662]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   79.200580][  T662]  netif_change_flags (net/core/dev.c:9882)
[   79.200584][  T662] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   79.200589][  T662]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   79.200592][  T662]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   79.200594][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.200595][  T662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.200597][  T662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.200601][  T662]  process_one_work (kernel/workqueue.c:3387)
[   79.200607][  T662]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   79.200610][  T662]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.200618][  T662]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   79.200621][  T662]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   79.200623][  T662]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   79.200626][  T662]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   79.200628][  T662]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   79.200630][  T662]  kthread (kernel/kthread.c:436)
[   79.200632][  T662]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.200635][  T662]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   79.200638][  T662]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.200641][  T662]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   79.200645][  T662]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.200648][  T662]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars