======================================
| [   10.731189][  T177] softirqs last disabled at (29984): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   10.731192][  T177] Preemption disabled at:
| [   10.731192][  T177] 0x0
| [   10.731202][  T177] Tainted: [W]=WARN
[   10.731203][  T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.731205][  T177] Call Trace:
[   10.731207][  T177]  <TASK>
[   10.731208][  T177]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.731214][  T177]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.731219][  T177]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.731223][  T177]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.731228][  T177]  __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))
[   10.731230][  T177]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.731237][  T177]  ? 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)
[   10.731240][  T177]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.731243][  T177]  put_chars (drivers/char/virtio_console.c:1176)
[   10.731246][  T177]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.731253][  T177]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.731260][  T177]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.731263][  T177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.731268][  T177]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.731272][  T177]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.731274][  T177]  ? 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))
[   10.731276][  T177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731280][  T177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.731284][  T177]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.731288][  T177]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.731290][  T177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.731296][  T177]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.731298][  T177]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.731299][  T177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731301][  T177]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.731306][  T177]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.731308][  T177]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.731311][  T177]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.731314][  T177]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.731318][  T177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.731322][  T177]  _printk (kernel/printk/printk.c:2504)
[   10.731326][  T177]  ? snapshot_read.cold (user.c:?)
[   10.731329][  T177]  ? 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)
[   10.731332][  T177]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.731336][  T177]  ? 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)
[   10.731339][  T177]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.731343][  T177]  ? exit_notify (kernel/exit.c:780)
[   10.731344][  T177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.731347][  T177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.731351][  T177]  do_group_exit (kernel/exit.c:1151)
[   10.731355][  T177]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.731357][  T177]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.731360][  T177]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.731364][  T177]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.731368][  T177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.731370][  T177] RIP: 0033:0x7f2082d9e1b8
[   10.731372][  T177] Code: Unable to access opcode bytes at 0x7f2082d9e18e.

Code starting with the faulting instruction
===========================================
[   10.731373][  T177] RSP: 002b:00007fffe53b6288 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.731375][  T177] RAX: ffffffffffffffda RBX: 00007f2082ecef88 RCX: 00007f2082d9e1b8
[   10.731377][  T177] RDX: 00007f2082ae8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.731378][  T177] RBP: 00007fffe53b62e0 R08: 0000000000000000 R09: 0000000000000050
[   10.731378][  T177] R10: 00007fffe53b60a0 R11: 0000000000000246 R12: 0000000000000001
[   10.731379][  T177] R13: 0000000000000000 R14: 00007f2082ecd680 R15: 00007f2082ecefa0
| [   22.221623][  T551] softirqs last disabled at (36331): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   22.221626][  T551] Preemption disabled at:
| [   22.221627][  T551] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.221639][  T551] Tainted: [W]=WARN
[   22.221640][  T551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.221642][  T551] Call Trace:
[   22.221644][  T551]  <TASK>
[   22.221646][  T551]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.221653][  T551]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.221656][  T551]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.221662][  T551]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.221667][  T551]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.221674][  T551]  __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))
[   22.221678][  T551]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.221688][  T551]  ? 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)
[   22.221691][  T551]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.221697][  T551]  put_chars (drivers/char/virtio_console.c:1176)
[   22.221702][  T551]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.221707][  T551]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.221716][  T551]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.221727][  T551]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.221732][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.221736][  T551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.221744][  T551]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.221749][  T551]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.221751][  T551]  ? 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))
[   22.221756][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.221759][  T551]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.221766][  T551]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.221773][  T551]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.221775][  T551]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.221785][  T551]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.221789][  T551]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.221791][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.221794][  T551]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.221801][  T551]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.221804][  T551]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.221809][  T551]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.221815][  T551]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.221824][  T551]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   22.221830][  T551]  _printk (kernel/printk/printk.c:2504)
[   22.221834][  T551]  ? snapshot_read.cold (user.c:?)
[   22.221846][  T551]  ? 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)
[   22.221851][  T551] ipip_init (net/ipv4/ipip.c:438) ipip
[   22.221856][  T551]  do_one_initcall (init/main.c:1357)
[   22.221860][  T551]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   22.221869][  T551]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   22.221872][  T551]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   22.221880][  T551]  do_init_module (kernel/module/main.c:3117)
[   22.221886][  T551]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.221892][  T551]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   22.221897][  T551]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   22.221904][  T551]  load_module (kernel/module/main.c:3593)
[   22.221917][  T551]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   22.221923][  T551]  ? __ia32_sys_fsconfig (??:?)
[   22.221927][  T551]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   22.221933][  T551]  ? backing_file_read_iter (fs/backing-file.c:211)
[   22.221937][  T551]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.221944][  T551]  init_module_from_file (kernel/module/main.c:3790)
[   22.221949][  T551]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   22.221963][  T551]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   22.221969][  T551]  ? 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)
[   22.221975][  T551]  idempotent_init_module (kernel/module/main.c:3802)
[   22.221980][  T551]  ? init_module_from_file (kernel/module/main.c:3791)
[   22.221991][  T551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.221994][  T551]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   22.222003][  T551]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   22.222005][  T551]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.222011][  T551]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.222014][  T551]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.222019][  T551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.222022][  T551] RIP: 0033:0x7fa14fb4237d
[   22.222027][  T551] 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
[   22.222029][  T551] RSP: 002b:00007ffc6c5f08b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   22.222033][  T551] RAX: ffffffffffffffda RBX: 0000563db02ec810 RCX: 00007fa14fb4237d
[   22.222035][  T551] RDX: 0000000000000000 RSI: 0000563d899c8ffd RDI: 0000000000000002
[   22.222036][  T551] RBP: 00007ffc6c5f0950 R08: 0000000000000000 R09: 0000000000000000
[   22.222038][  T551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563d899c8ffd
[   22.222039][  T551] R13: 0000563db02ec9b0 R14: 0000000000040000 R15: 0000000000000000
| [   25.303118][  T651] softirqs last disabled at (25539): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.303120][  T651] Preemption disabled at:
| [   25.303121][  T651] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.303130][  T651] Tainted: [W]=WARN
[   25.303131][  T651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.303132][  T651] Call Trace:
[   25.303134][  T651]  <TASK>
[   25.303136][  T651]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.303141][  T651]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.303145][  T651]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.303150][  T651]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.303153][  T651]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.303158][  T651]  __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))
[   25.303161][  T651]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.303168][  T651]  ? 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)
[   25.303171][  T651]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.303174][  T651]  put_chars (drivers/char/virtio_console.c:1176)
[   25.303177][  T651]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.303181][  T651]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.303186][  T651]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.303193][  T651]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.303196][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.303199][  T651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.303204][  T651]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.303207][  T651]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.303209][  T651]  ? 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))
[   25.303211][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.303213][  T651]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.303218][  T651]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.303221][  T651]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.303223][  T651]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.303228][  T651]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.303231][  T651]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.303232][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.303234][  T651]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.303238][  T651]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.303240][  T651]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.303243][  T651]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.303247][  T651]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.303252][  T651]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   25.303256][  T651]  _printk (kernel/printk/printk.c:2504)
[   25.303260][  T651]  ? snapshot_read.cold (user.c:?)
[   25.303266][  T651]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   25.303270][  T651] 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
[   25.303274][  T651]  do_one_initcall (init/main.c:1357)
[   25.303277][  T651]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.303282][  T651]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.303284][  T651]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.303289][  T651]  do_init_module (kernel/module/main.c:3117)
[   25.303292][  T651]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.303297][  T651]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.303300][  T651]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.303304][  T651]  load_module (kernel/module/main.c:3593)
[   25.303311][  T651]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.303314][  T651]  ? __ia32_sys_fsconfig (??:?)
[   25.303317][  T651]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   25.303322][  T651]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.303325][  T651]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.303329][  T651]  init_module_from_file (kernel/module/main.c:3790)
[   25.303331][  T651]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   25.303339][  T651]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.303343][  T651]  ? 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)
[   25.303347][  T651]  idempotent_init_module (kernel/module/main.c:3802)
[   25.303350][  T651]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.303356][  T651]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.303358][  T651]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.303364][  T651]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.303365][  T651]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.303369][  T651]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.303371][  T651]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.303374][  T651]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.303377][  T651] RIP: 0033:0x7ff801df137d
[   25.303380][  T651] 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
[   25.303382][  T651] RSP: 002b:00007ffc2926e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.303385][  T651] RAX: ffffffffffffffda RBX: 0000557024920810 RCX: 00007ff801df137d
[   25.303386][  T651] RDX: 0000000000000000 RSI: 0000556ff0134ffd RDI: 0000000000000000
[   25.303387][  T651] RBP: 00007ffc2926e390 R08: 0000000000000000 R09: 0000000000000000
[   25.303388][  T651] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ff0134ffd
[   25.303389][  T651] R13: 0000557024920960 R14: 0000000000040000 R15: 0000000000000000
| [   28.811958][  T758] softirqs last disabled at (83792): llc_sap_open (./include/linux/spinlock.h:353 net/llc/llc_core.c:93) llc
| [   28.811962][  T758] Preemption disabled at:
| [   28.811963][  T758] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.811975][  T758] Tainted: [W]=WARN
[   28.811976][  T758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.811978][  T758] Call Trace:
[   28.811980][  T758]  <TASK>
[   28.811983][  T758]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.811989][  T758]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.811992][  T758]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.811998][  T758]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.812003][  T758]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.812010][  T758]  __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))
[   28.812014][  T758]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.812023][  T758]  ? 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)
[   28.812027][  T758]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.812033][  T758]  put_chars (drivers/char/virtio_console.c:1176)
[   28.812037][  T758]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.812043][  T758]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.812052][  T758]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.812063][  T758]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.812068][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.812072][  T758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.812080][  T758]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.812085][  T758]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.812087][  T758]  ? 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))
[   28.812092][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.812095][  T758]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.812102][  T758]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.812109][  T758]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.812111][  T758]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.812121][  T758]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.812125][  T758]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.812127][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.812130][  T758]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.812136][  T758]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.812139][  T758]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.812147][  T758]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.812153][  T758]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.812155][  T758]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.812160][  T758]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.812166][  T758]  ? 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
[   28.812170][  T758]  _printk (kernel/printk/printk.c:2504)
[   28.812175][  T758]  ? snapshot_read.cold (user.c:?)
[   28.812177][  T758]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   28.812184][  T758]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   28.812192][  T758]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   28.812197][  T758] br_init (bridge.mod.c:?) bridge
[   28.812217][  T758]  do_one_initcall (init/main.c:1357)
[   28.812222][  T758]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   28.812230][  T758]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   28.812234][  T758]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   28.812241][  T758]  do_init_module (kernel/module/main.c:3117)
[   28.812247][  T758]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.812252][  T758]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   28.812257][  T758]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   28.812264][  T758]  load_module (kernel/module/main.c:3593)
[   28.812277][  T758]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   28.812286][  T758]  ? backing_file_read_iter (fs/backing-file.c:211)
[   28.812290][  T758]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.812297][  T758]  init_module_from_file (kernel/module/main.c:3790)
[   28.812302][  T758]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   28.812316][  T758]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.812322][  T758]  ? 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)
[   28.812328][  T758]  idempotent_init_module (kernel/module/main.c:3802)
[   28.812333][  T758]  ? init_module_from_file (kernel/module/main.c:3791)
[   28.812343][  T758]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.812346][  T758]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.812355][  T758]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   28.812357][  T758]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.812364][  T758]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.812368][  T758]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.812372][  T758]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.812376][  T758] RIP: 0033:0x7f6e00d9d37d
[   28.812381][  T758] 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
[   28.812384][  T758] RSP: 002b:00007ffe3a1a9928 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   28.812387][  T758] RAX: ffffffffffffffda RBX: 000055cfb4540810 RCX: 00007f6e00d9d37d
[   28.812389][  T758] RDX: 0000000000000000 RSI: 000055cf9b676ffd RDI: 0000000000000002
[   28.812391][  T758] RBP: 00007ffe3a1a99c0 R08: 0000000000000000 R09: 0000000000000000
[   28.812392][  T758] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf9b676ffd
[   28.812393][  T758] R13: 000055cfb45409c0 R14: 0000000000040000 R15: 0000000000000000
| [   32.721325][  T877] softirqs last disabled at (18988): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   32.721327][  T877] Preemption disabled at:
| [   32.721328][  T877] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.721337][  T877] Tainted: [W]=WARN
[   32.721337][  T877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.721339][  T877] Call Trace:
[   32.721341][  T877]  <TASK>
[   32.721342][  T877]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.721347][  T877]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.721348][  T877]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.721353][  T877]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.721356][  T877]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.721361][  T877]  __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))
[   32.721364][  T877]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.721370][  T877]  ? 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)
[   32.721372][  T877]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.721376][  T877]  put_chars (drivers/char/virtio_console.c:1176)
[   32.721378][  T877]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   32.721380][  T877]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.721383][  T877]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.721387][  T877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.721390][  T877]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.721394][  T877]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.721397][  T877]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   32.721399][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.721401][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.721405][  T877]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.721407][  T877]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   32.721410][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721412][  T877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.721417][  T877]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.721420][  T877]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.721421][  T877]  ? 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))
[   32.721424][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721426][  T877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.721430][  T877]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.721433][  T877]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.721435][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.721440][  T877]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.721442][  T877]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.721443][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721445][  T877]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.721449][  T877]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.721451][  T877]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.721458][  T877]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.721461][  T877]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.721462][  T877]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.721464][  T877]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.721467][  T877]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.721469][  T877]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.721470][  T877]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.721472][  T877]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.721474][  T877]  ? __sys_sendmsg (net/socket.c:2799)
[   32.721478][  T877]  _printk (kernel/printk/printk.c:2504)
[   32.721481][  T877]  ? snapshot_read.cold (user.c:?)
[   32.721485][  T877]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.721489][  T877]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.721492][  T877]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.721495][  T877]  ? netdev_notice (net/core/dev.c:13194)
[   32.721499][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721501][  T877]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   32.721503][  T877]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   32.721505][  T877]  ? 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)
[   32.721508][  T877]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   32.721513][  T877]  dev_set_allmulti (net/core/dev_api.c:315)
[   32.721517][  T877] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   32.721533][  T877] br_del_if (net/bridge/br_if.c:732) bridge
[   32.721540][  T877]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.721544][  T877]  do_set_master (net/core/rtnetlink.c:3055)
[   32.721549][  T877]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.721552][  T877]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.721555][  T877]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.721557][  T877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.721559][  T877]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.721562][  T877]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.721564][  T877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.721566][  T877]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.721569][  T877]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.721572][  T877]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.721573][  T877]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.721576][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.721578][  T877]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   32.721580][  T877]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   32.721584][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.721586][  T877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.721588][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721590][  T877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.721592][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721593][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721595][  T877]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.721598][  T877]  ? __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)
[   32.721601][  T877]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.721604][  T877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.721607][  T877]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.721609][  T877]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.721614][  T877]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.721619][  T877]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.721625][  T877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.721626][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.721631][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.721633][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.721635][  T877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.721637][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.721641][  T877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.721643][  T877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.721646][  T877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.721647][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.721652][  T877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.721654][  T877]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.721657][  T877]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.721659][  T877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.721662][  T877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.721668][  T877]  ? 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))
[   32.721669][  T877]  ? 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))
[   32.721673][  T877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.721677][  T877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.721679][  T877]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   32.721683][  T877]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.721687][  T877]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.721688][  T877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.721691][  T877]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.721695][  T877]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.721699][  T877]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.721701][  T877]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.721703][  T877]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.721705][  T877]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   32.721712][  T877]  ___sys_sendmsg (net/socket.c:2767)
[   32.721714][  T877]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.721730][  T877]  __sys_sendmsg (net/socket.c:2799)
[   32.721732][  T877]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.721738][  T877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.721741][  T877]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.721744][  T877]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.721747][  T877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.721750][  T877] RIP: 0033:0x7f82b95c854e
[   32.721753][  T877] 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
[   32.721755][  T877] RSP: 002b:00007ffe03ac2200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.721757][  T877] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f82b95c854e
[   32.721759][  T877] RDX: 0000000000000000 RSI: 00007ffe03ac22b0 RDI: 0000000000000005
[   32.721760][  T877] RBP: 00007ffe03ac2210 R08: 0000000000000000 R09: 0000000000000000
[   32.721761][  T877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91631c
[   32.721761][  T877] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe03ac2980
| [   34.456144][  T675] softirqs last disabled at (20810): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   34.456157][  T675] Preemption disabled at:
| [   34.456158][  T675] 0x0
| [   34.456171][  T675] Tainted: [W]=WARN
[   34.456172][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.456174][  T675] Workqueue: events netdev_work_proc
[   34.456178][  T675] Call Trace:
[   34.456181][  T675]  <TASK>
[   34.456183][  T675]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.456191][  T675]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.456197][  T675]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.456202][  T675]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.456210][  T675]  __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))
[   34.456214][  T675]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.456223][  T675]  ? 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)
[   34.456227][  T675]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.456232][  T675]  put_chars (drivers/char/virtio_console.c:1176)
[   34.456237][  T675]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.456249][  T675]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.456261][  T675]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.456266][  T675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.456274][  T675]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.456280][  T675]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.456282][  T675]  ? 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))
[   34.456287][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.456292][  T675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.456299][  T675]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.456306][  T675]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.456308][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.456319][  T675]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.456322][  T675]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.456324][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.456328][  T675]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.456334][  T675]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.456337][  T675]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.456343][  T675]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.456349][  T675]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.456353][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.456362][  T675]  _printk (kernel/printk/printk.c:2504)
[   34.456368][  T675]  ? snapshot_read.cold (user.c:?)
[   34.456373][  T675]  ? do_perf_trace_sched_prepare_exec (./include/trace/events/sched.h:458 (discriminator 37))
[   34.456386][  T675] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   34.456404][  T675] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   34.456420][  T675] br_device_event (net/bridge/br.c:111) bridge
[   34.456435][  T675]  ? 0xffffffffc0c00000
[   34.456440][  T675]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   34.456449][  T675]  notifier_call_chain (kernel/notifier.c:85)
[   34.456462][  T675]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   34.456470][  T675]  ? netif_change_name (net/core/dev.c:1517)
[   34.456477][  T675]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.456480][  T675]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   34.456485][  T675]  ? process_one_work (kernel/workqueue.c:3387)
[   34.456487][  T675]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.456489][  T675]  ? kthread (kernel/kthread.c:436)
[   34.456492][  T675]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   34.456497][  T675]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   34.456503][  T675]  netif_change_flags (net/core/dev.c:9882)
[   34.456510][  T675] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   34.456518][  T675]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   34.456523][  T675]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   34.456526][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.456529][  T675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.456532][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.456539][  T675]  process_one_work (kernel/workqueue.c:3387)
[   34.456550][  T675]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.456554][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.456569][  T675]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.456575][  T675]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.456578][  T675]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.456583][  T675]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.456587][  T675]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.456589][  T675]  kthread (kernel/kthread.c:436)
[   34.456592][  T675]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.456596][  T675]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.456601][  T675]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.456606][  T675]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.456612][  T675]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.456617][  T675]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.456622][  T675]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.727604][  T962] softirqs last disabled at (19497): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   35.727607][  T962] Preemption disabled at:
| [   35.727608][  T962] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.727617][  T962] Tainted: [W]=WARN
[   35.727618][  T962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.727620][  T962] Call Trace:
[   35.727621][  T962]  <TASK>
[   35.727623][  T962]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.727627][  T962]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.727629][  T962]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.727634][  T962]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.727637][  T962]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.727642][  T962]  __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))
[   35.727644][  T962]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.727651][  T962]  ? 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)
[   35.727653][  T962]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.727657][  T962]  put_chars (drivers/char/virtio_console.c:1176)
[   35.727660][  T962]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.727661][  T962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.727666][  T962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.727668][  T962]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.727673][  T962]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.727677][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.727682][  T962]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.727685][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.727690][  T962]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.727693][  T962]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.727694][  T962]  ? 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))
[   35.727697][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.727699][  T962]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.727703][  T962]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.727707][  T962]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.727708][  T962]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.727713][  T962]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.727716][  T962]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.727717][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.727719][  T962]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.727722][  T962]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.727724][  T962]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.727727][  T962]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.727731][  T962]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.727736][  T962]  ? 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
[   35.727740][  T962]  _printk (kernel/printk/printk.c:2504)
[   35.727743][  T962]  ? snapshot_read.cold (user.c:?)
[   35.727751][  T962]  ? 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)
[   35.727755][  T962] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user
[   35.727759][  T962]  do_one_initcall (init/main.c:1357)
[   35.727762][  T962]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   35.727766][  T962]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   35.727769][  T962]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   35.727774][  T962]  do_init_module (kernel/module/main.c:3117)
[   35.727777][  T962]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   35.727782][  T962]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   35.727785][  T962]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   35.727789][  T962]  load_module (kernel/module/main.c:3593)
[   35.727795][  T962]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   35.727800][  T962]  ? backing_file_read_iter (fs/backing-file.c:211)
[   35.727803][  T962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.727807][  T962]  init_module_from_file (kernel/module/main.c:3790)
[   35.727809][  T962]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   35.727817][  T962]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   35.727821][  T962]  ? 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)
[   35.727824][  T962]  idempotent_init_module (kernel/module/main.c:3802)
[   35.727827][  T962]  ? init_module_from_file (kernel/module/main.c:3791)
[   35.727833][  T962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.727834][  T962]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   35.727840][  T962]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   35.727841][  T962]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.727845][  T962]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.727847][  T962]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.727850][  T962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.727852][  T962] RIP: 0033:0x7f5f398b637d
[   35.727856][  T962] 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
[   35.727857][  T962] RSP: 002b:00007fffa2ff4df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   35.727860][  T962] RAX: ffffffffffffffda RBX: 000055c9efb3b810 RCX: 00007f5f398b637d
[   35.727861][  T962] RDX: 0000000000000000 RSI: 000055c9ea346ffd RDI: 0000000000000000
[   35.727862][  T962] RBP: 00007fffa2ff4e90 R08: 0000000000000000 R09: 0000000000000000
[   35.727863][  T962] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c9ea346ffd
[   35.727864][  T962] R13: 000055c9efb3b960 R14: 0000000000040000 R15: 0000000000000000
| [   73.367634][ T1576] softirqs last disabled at (22420): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   73.367636][ T1576] Preemption disabled at:
| [   73.367637][ T1576] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.367645][ T1576] Tainted: [W]=WARN
[   73.367646][ T1576] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.367648][ T1576] Call Trace:
[   73.367650][ T1576]  <TASK>
[   73.367651][ T1576]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.367656][ T1576]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.367658][ T1576]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.367662][ T1576]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.367665][ T1576]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.367670][ T1576]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   73.367673][ T1576]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.367678][ T1576]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.367681][ T1576]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.367684][ T1576]  put_chars (drivers/char/virtio_console.c:1176)
[   73.367687][ T1576]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.367690][ T1576]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.367694][ T1576]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.367696][ T1576]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.367700][ T1576]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.367703][ T1576]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   73.367705][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.367707][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.367711][ T1576]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.367713][ T1576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.367717][ T1576]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.367721][ T1576]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.367725][ T1576]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.367726][ T1576]  ? 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))
[   73.367729][ T1576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.367731][ T1576]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.367735][ T1576]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.367738][ T1576]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.367740][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.367745][ T1576]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.367747][ T1576]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.367749][ T1576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.367750][ T1576]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.367754][ T1576]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.367756][ T1576]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.367759][ T1576]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.367763][ T1576]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.367765][ T1576]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.367768][ T1576]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   73.367772][ T1576]  _printk (kernel/printk/printk.c:2504)
[   73.367775][ T1576]  ? snapshot_read.cold (user.c:?)
[   73.367779][ T1576]  ? br_multicast_flood (??:?) bridge
[   73.367792][ T1576]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   73.367793][ T1576]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.367794][ T1576]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.367799][ T1576] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   73.367810][ T1576] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   73.367819][ T1576] new_nbp (net/bridge/br_if.c:449) bridge
[   73.367828][ T1576] br_add_if (net/bridge/br_if.c:592) bridge
[   73.367835][ T1576]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.367839][ T1576]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   73.367845][ T1576]  do_set_master (net/core/rtnetlink.c:3071)
[   73.367850][ T1576]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   73.367853][ T1576]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   73.367857][ T1576]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   73.367858][ T1576]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.367860][ T1576]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.367863][ T1576]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.367865][ T1576]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.367867][ T1576]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.367870][ T1576]  ? kasan_save_stack (mm/kasan/common.c:58)
[   73.367873][ T1576]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.367875][ T1576]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.367878][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.367879][ T1576]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   73.367882][ T1576]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   73.367887][ T1576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.367889][ T1576]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   73.367891][ T1576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.367893][ T1576]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.367894][ T1576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.367896][ T1576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.367897][ T1576]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   73.367900][ T1576]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   73.367903][ T1576]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.367905][ T1576]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   73.367908][ T1576]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   73.367910][ T1576]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.367916][ T1576]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   73.367921][ T1576]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.367926][ T1576]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.367928][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.367932][ T1576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.367934][ T1576]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.367936][ T1576]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.367938][ T1576]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.367942][ T1576]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.367944][ T1576]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.367947][ T1576]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.367948][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.367952][ T1576]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.367954][ T1576]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   73.367958][ T1576]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.367959][ T1576]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.367962][ T1576]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.367968][ T1576]  ? 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))
[   73.367969][ T1576]  ? 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))
[   73.367973][ T1576]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.367977][ T1576]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.367980][ T1576]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   73.367984][ T1576]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.367987][ T1576]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.367989][ T1576]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.367992][ T1576]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   73.367995][ T1576]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   73.367999][ T1576]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   73.368001][ T1576]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.368003][ T1576]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   73.368005][ T1576]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   73.368012][ T1576]  ___sys_sendmsg (net/socket.c:2767)
[   73.368015][ T1576]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.368030][ T1576]  __sys_sendmsg (net/socket.c:2799)
[   73.368033][ T1576]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.368039][ T1576]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.368042][ T1576]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.368045][ T1576]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.368048][ T1576]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.368050][ T1576] RIP: 0033:0x7f67b20af54e
[   73.368054][ T1576] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   73.368055][ T1576] RSP: 002b:00007ffd6b5a6e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.368058][ T1576] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f67b20af54e
[   73.368059][ T1576] RDX: 0000000000000000 RSI: 00007ffd6b5a6eb0 RDI: 0000000000000005
[   73.368060][ T1576] RBP: 00007ffd6b5a6e10 R08: 0000000000000000 R09: 0000000000000000
[   73.368061][ T1576] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916344
[   73.368062][ T1576] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6b5a7580
| [   83.594225][ T1699] softirqs last disabled at (18244): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   83.594228][ T1699] Preemption disabled at:
| [   83.594229][ T1699] vprintk_emit (kernel/printk/printk.c:2471)
| [   83.594237][ T1699] Tainted: [W]=WARN
[   83.594238][ T1699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.594240][ T1699] Call Trace:
[   83.594242][ T1699]  <TASK>
[   83.594243][ T1699]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   83.594248][ T1699]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   83.594250][ T1699]  __might_resched.cold (kernel/sched/core.c:9234)
[   83.594255][ T1699]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   83.594258][ T1699]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   83.594263][ T1699]  __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))
[   83.594265][ T1699]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.594272][ T1699]  ? 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)
[   83.594275][ T1699]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   83.594278][ T1699]  put_chars (drivers/char/virtio_console.c:1176)
[   83.594280][ T1699]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   83.594282][ T1699]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   83.594286][ T1699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.594289][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.594292][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.594296][ T1699]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   83.594300][ T1699]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   83.594302][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594303][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594308][ T1699]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   83.594310][ T1699]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   83.594313][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594315][ T1699]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.594319][ T1699]  console_emit_next_record (kernel/printk/printk.c:3183)
[   83.594323][ T1699]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   83.594324][ T1699]  ? 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))
[   83.594327][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594329][ T1699]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.594333][ T1699]  console_flush_one_record (kernel/printk/printk.c:3268)
[   83.594337][ T1699]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   83.594338][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594344][ T1699]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   83.594346][ T1699]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   83.594348][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594349][ T1699]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   83.594353][ T1699]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   83.594355][ T1699]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   83.594358][ T1699]  vprintk_emit (kernel/printk/printk.c:2479)
[   83.594362][ T1699]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   83.594363][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.594365][ T1699]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.594368][ T1699]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.594370][ T1699]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.594371][ T1699]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.594374][ T1699]  ? ___sys_sendmsg (net/socket.c:2767)
[   83.594375][ T1699]  ? __sys_sendmsg (net/socket.c:2799)
[   83.594379][ T1699]  _printk (kernel/printk/printk.c:2504)
[   83.594383][ T1699]  ? snapshot_read.cold (user.c:?)
[   83.594388][ T1699]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   83.594391][ T1699]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   83.594395][ T1699]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   83.594398][ T1699]  ? netdev_notice (net/core/dev.c:13194)
[   83.594402][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594404][ T1699]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   83.594407][ T1699]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   83.594409][ T1699]  ? 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)
[   83.594412][ T1699]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   83.594416][ T1699]  dev_set_allmulti (net/core/dev_api.c:315)
[   83.594420][ T1699] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   83.594437][ T1699] br_del_if (net/bridge/br_if.c:732) bridge
[   83.594444][ T1699]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   83.594449][ T1699]  do_set_master (net/core/rtnetlink.c:3055)
[   83.594453][ T1699]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   83.594457][ T1699]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   83.594460][ T1699]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   83.594461][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.594464][ T1699]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.594467][ T1699]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   83.594470][ T1699]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.594472][ T1699]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   83.594474][ T1699]  ? kasan_save_stack (mm/kasan/common.c:58)
[   83.594477][ T1699]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.594479][ T1699]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.594482][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594484][ T1699]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   83.594486][ T1699]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   83.594490][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.594492][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.594495][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594496][ T1699]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   83.594498][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594499][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594501][ T1699]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   83.594504][ T1699]  ? __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)
[   83.594507][ T1699]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   83.594509][ T1699]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   83.594513][ T1699]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   83.594515][ T1699]  ? nla_get_range_signed (lib/nlattr.c:270)
[   83.594521][ T1699]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   83.594526][ T1699]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   83.594531][ T1699]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.594533][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594538][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.594540][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.594542][ T1699]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.594544][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.594548][ T1699]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   83.594550][ T1699]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   83.594553][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.594554][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   83.594559][ T1699]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   83.594561][ T1699]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   83.594565][ T1699]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   83.594566][ T1699]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.594569][ T1699]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.594581][ T1699]  ? 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))
[   83.594583][ T1699]  ? 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))
[   83.594587][ T1699]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.594591][ T1699]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.594593][ T1699]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   83.594598][ T1699]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   83.594601][ T1699]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   83.594603][ T1699]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   83.594606][ T1699]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   83.594610][ T1699]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   83.594614][ T1699]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   83.594616][ T1699]  ? copy_msghdr_from_user (net/socket.c:2650)
[   83.594618][ T1699]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   83.594620][ T1699]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   83.594627][ T1699]  ___sys_sendmsg (net/socket.c:2767)
[   83.594630][ T1699]  ? copy_msghdr_from_user (net/socket.c:2619)
[   83.594646][ T1699]  __sys_sendmsg (net/socket.c:2799)
[   83.594648][ T1699]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   83.594654][ T1699]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   83.594658][ T1699]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   83.594660][ T1699]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   83.594664][ T1699]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.594666][ T1699] RIP: 0033:0x7fc83488754e
[   83.594670][ T1699] 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
[   83.594671][ T1699] RSP: 002b:00007ffd4154aa40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.594674][ T1699] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc83488754e
[   83.594675][ T1699] RDX: 0000000000000000 RSI: 00007ffd4154aaf0 RDI: 0000000000000005
[   83.594676][ T1699] RBP: 00007ffd4154aa50 R08: 0000000000000000 R09: 0000000000000000
[   83.594677][ T1699] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91634f
[   83.594678][ T1699] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4154b1c0
| [   88.620417][  T675] softirqs last disabled at (72438): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   88.620431][  T675] Preemption disabled at:
| [   88.620432][  T675] 0x0
| [   88.620445][  T675] Tainted: [W]=WARN
[   88.620446][  T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.620448][  T675] Workqueue: events netdev_work_proc
[   88.620453][  T675] Call Trace:
[   88.620455][  T675]  <TASK>
[   88.620457][  T675]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.620465][  T675]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.620471][  T675]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.620476][  T675]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.620484][  T675]  __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))
[   88.620487][  T675]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.620497][  T675]  ? 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)
[   88.620501][  T675]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.620506][  T675]  put_chars (drivers/char/virtio_console.c:1176)
[   88.620511][  T675]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.620523][  T675]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.620535][  T675]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.620540][  T675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.620548][  T675]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.620554][  T675]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.620556][  T675]  ? 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))
[   88.620561][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.620566][  T675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.620573][  T675]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.620580][  T675]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.620582][  T675]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.620598][  T675]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.620602][  T675]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.620604][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.620607][  T675]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.620614][  T675]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.620617][  T675]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.620622][  T675]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.620629][  T675]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.620633][  T675]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.620636][  T675]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.620640][  T675]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.620647][  T675]  _printk (kernel/printk/printk.c:2504)
[   88.620652][  T675]  ? snapshot_read.cold (user.c:?)
[   88.620657][  T675]  ? do_perf_trace_sched_prepare_exec (./include/trace/events/sched.h:458 (discriminator 37))
[   88.620670][  T675] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   88.620690][  T675] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   88.620709][  T675] br_device_event (net/bridge/br.c:111) bridge
[   88.620726][  T675]  ? 0xffffffffc0c00000
[   88.620732][  T675]  ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84)
[   88.620741][  T675]  notifier_call_chain (kernel/notifier.c:85)
[   88.620750][  T675]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   88.620757][  T675]  ? netif_change_name (net/core/dev.c:1517)
[   88.620764][  T675]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   88.620767][  T675]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   88.620773][  T675]  ? process_one_work (kernel/workqueue.c:3387)
[   88.620775][  T675]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   88.620778][  T675]  ? kthread (kernel/kthread.c:436)
[   88.620781][  T675]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   88.620786][  T675]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   88.620793][  T675]  netif_change_flags (net/core/dev.c:9882)
[   88.620801][  T675] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   88.620810][  T675]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   88.620815][  T675]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   88.620818][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.620821][  T675]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.620825][  T675]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.620832][  T675]  process_one_work (kernel/workqueue.c:3387)
[   88.620845][  T675]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   88.620850][  T675]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.620866][  T675]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   88.620873][  T675]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   88.620876][  T675]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   88.620881][  T675]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   88.620885][  T675]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   88.620888][  T675]  kthread (kernel/kthread.c:436)
[   88.620891][  T675]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.620896][  T675]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   88.620901][  T675]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.620907][  T675]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   88.620913][  T675]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.620918][  T675]  ? 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
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
llc_sap_open:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars