======================================
| [   10.346664][  T181] softirqs last disabled at (30367): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.346667][  T181] Preemption disabled at:
| [   10.346668][  T181] 0x0
| [   10.346681][  T181] Tainted: [W]=WARN
[   10.346682][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.346684][  T181] Call Trace:
[   10.346686][  T181]  <TASK>
[   10.346688][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.346695][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.346701][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.346706][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.346713][  T181]  __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))
[   10.346717][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.346726][  T181]  ? 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)
[   10.346729][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.346740][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   10.346744][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.346756][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.346767][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.346772][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.346779][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.346785][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.346786][  T181]  ? 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))
[   10.346791][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346796][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.346803][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.346809][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.346811][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.346820][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.346824][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.346826][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346829][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.346836][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.346838][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.346843][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.346849][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.346854][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.346860][  T181]  _printk (kernel/printk/printk.c:2504)
[   10.346865][  T181]  ? snapshot_read.cold (user.c:?)
[   10.346869][  T181]  ? 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)
[   10.346873][  T181]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.346880][  T181]  ? 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)
[   10.346884][  T181]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.346890][  T181]  ? exit_notify (kernel/exit.c:780)
[   10.346892][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.346897][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.346903][  T181]  do_group_exit (kernel/exit.c:1151)
[   10.346908][  T181]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.346911][  T181]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.346914][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.346919][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.346924][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.346927][  T181] RIP: 0033:0x7ff0d92c01b8
[   10.346930][  T181] Code: Unable to access opcode bytes at 0x7ff0d92c018e.

Code starting with the faulting instruction
===========================================
[   10.346931][  T181] RSP: 002b:00007fff39795588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.346935][  T181] RAX: ffffffffffffffda RBX: 00007ff0d93f0f88 RCX: 00007ff0d92c01b8
[   10.346936][  T181] RDX: 00007ff0d900afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.346938][  T181] RBP: 00007fff397955e0 R08: 0000000000000000 R09: 0000000000000050
[   10.346939][  T181] R10: 00007fff397953a0 R11: 0000000000000246 R12: 0000000000000001
[   10.346940][  T181] R13: 0000000000000000 R14: 00007ff0d93ef680 R15: 00007ff0d93f0fa0
| [   20.438213][  T552] softirqs last disabled at (30223): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.438215][  T552] Preemption disabled at:
| [   20.438216][  T552] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.438224][  T552] Tainted: [W]=WARN
[   20.438225][  T552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.438227][  T552] Call Trace:
[   20.438229][  T552]  <TASK>
[   20.438230][  T552]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.438235][  T552]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.438237][  T552]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.438241][  T552]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.438244][  T552]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.438249][  T552]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.438251][  T552]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.438258][  T552]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.438261][  T552]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.438264][  T552]  put_chars (drivers/char/virtio_console.c:1176)
[   20.438267][  T552]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.438270][  T552]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.438275][  T552]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.438282][  T552]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.438284][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.438288][  T552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.438292][  T552]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.438295][  T552]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.438296][  T552]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.438299][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.438301][  T552]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.438305][  T552]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.438309][  T552]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.438310][  T552]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.438315][  T552]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.438318][  T552]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.438319][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.438321][  T552]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.438325][  T552]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.438326][  T552]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.438329][  T552]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.438333][  T552]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.438338][  T552]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   20.438341][  T552]  _printk (kernel/printk/printk.c:2504)
[   20.438345][  T552]  ? snapshot_read.cold (user.c:?)
[   20.438351][  T552]  ? 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)
[   20.438354][  T552] ipip_init (net/ipv4/ipip.c:438) ipip
[   20.438357][  T552]  do_one_initcall (init/main.c:1357)
[   20.438360][  T552]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.438364][  T552]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.438367][  T552]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.438372][  T552]  do_init_module (kernel/module/main.c:3117)
[   20.438375][  T552]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.438380][  T552]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.438382][  T552]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.438386][  T552]  load_module (kernel/module/main.c:3593)
[   20.438393][  T552]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.438397][  T552]  ? __ia32_sys_fsconfig (??:?)
[   20.438399][  T552]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.438404][  T552]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.438407][  T552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.438411][  T552]  init_module_from_file (kernel/module/main.c:3790)
[   20.438413][  T552]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   20.438421][  T552]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.438425][  T552]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.438428][  T552]  idempotent_init_module (kernel/module/main.c:3802)
[   20.438431][  T552]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.438437][  T552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.438438][  T552]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.438443][  T552]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.438445][  T552]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.438449][  T552]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.438451][  T552]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.438454][  T552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.438456][  T552] RIP: 0033:0x7f239503937d
[   20.438459][  T552] 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
[   20.438461][  T552] RSP: 002b:00007fffe5db22f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.438463][  T552] RAX: ffffffffffffffda RBX: 000055f6a36fa810 RCX: 00007f239503937d
[   20.438465][  T552] RDX: 0000000000000000 RSI: 000055f68d85cffd RDI: 0000000000000002
[   20.438466][  T552] RBP: 00007fffe5db2390 R08: 0000000000000000 R09: 0000000000000000
[   20.438467][  T552] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f68d85cffd
[   20.438467][  T552] R13: 000055f6a36fa9b0 R14: 0000000000040000 R15: 0000000000000000
| [   23.237616][  T656] softirqs last disabled at (22789): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.237619][  T656] Preemption disabled at:
| [   23.237620][  T656] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.237629][  T656] Tainted: [W]=WARN
[   23.237630][  T656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.237632][  T656] Call Trace:
[   23.237633][  T656]  <TASK>
[   23.237635][  T656]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.237639][  T656]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.237641][  T656]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.237646][  T656]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.237649][  T656]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.237654][  T656]  __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))
[   23.237657][  T656]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.237663][  T656]  ? 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)
[   23.237666][  T656]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.237670][  T656]  put_chars (drivers/char/virtio_console.c:1176)
[   23.237673][  T656]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.237676][  T656]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.237681][  T656]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.237688][  T656]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.237690][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.237694][  T656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.237698][  T656]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.237701][  T656]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.237702][  T656]  ? 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))
[   23.237705][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.237707][  T656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.237711][  T656]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.237714][  T656]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.237716][  T656]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.237721][  T656]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.237723][  T656]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.237725][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.237726][  T656]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.237730][  T656]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.237732][  T656]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.237735][  T656]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.237739][  T656]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.237744][  T656]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   23.237749][  T656]  _printk (kernel/printk/printk.c:2504)
[   23.237752][  T656]  ? snapshot_read.cold (user.c:?)
[   23.237758][  T656]  ? 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)
[   23.237762][  T656] 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
[   23.237765][  T656]  do_one_initcall (init/main.c:1357)
[   23.237768][  T656]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   23.237773][  T656]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   23.237775][  T656]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   23.237785][  T656]  do_init_module (kernel/module/main.c:3117)
[   23.237788][  T656]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.237793][  T656]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   23.237796][  T656]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   23.237800][  T656]  load_module (kernel/module/main.c:3593)
[   23.237807][  T656]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   23.237811][  T656]  ? __ia32_sys_fsconfig (??:?)
[   23.237813][  T656]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   23.237818][  T656]  ? backing_file_read_iter (fs/backing-file.c:211)
[   23.237821][  T656]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.237825][  T656]  init_module_from_file (kernel/module/main.c:3790)
[   23.237828][  T656]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   23.237836][  T656]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.237840][  T656]  ? 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)
[   23.237844][  T656]  idempotent_init_module (kernel/module/main.c:3802)
[   23.237847][  T656]  ? init_module_from_file (kernel/module/main.c:3791)
[   23.237853][  T656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.237855][  T656]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   23.237860][  T656]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   23.237862][  T656]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.237865][  T656]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.237867][  T656]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.237870][  T656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.237873][  T656] RIP: 0033:0x7fad25e4637d
[   23.237876][  T656] 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
[   23.237878][  T656] RSP: 002b:00007fff831eb3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   23.237881][  T656] RAX: ffffffffffffffda RBX: 00005621b03e5810 RCX: 00007fad25e4637d
[   23.237882][  T656] RDX: 0000000000000000 RSI: 0000562189b56ffd RDI: 0000000000000000
[   23.237883][  T656] RBP: 00007fff831eb440 R08: 0000000000000000 R09: 0000000000000000
[   23.237884][  T656] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562189b56ffd
[   23.237885][  T656] R13: 00005621b03e5960 R14: 0000000000040000 R15: 0000000000000000
| [   26.219387][  T761] softirqs last disabled at (68162): llc_sap_open (./include/linux/spinlock.h:353 net/llc/llc_core.c:93) llc
| [   26.219389][  T761] Preemption disabled at:
| [   26.219390][  T761] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.219398][  T761] Tainted: [W]=WARN
[   26.219399][  T761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.219401][  T761] Call Trace:
[   26.219402][  T761]  <TASK>
[   26.219404][  T761]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.219408][  T761]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.219410][  T761]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.219415][  T761]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.219418][  T761]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.219423][  T761]  __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))
[   26.219426][  T761]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.219431][  T761]  ? 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)
[   26.219434][  T761]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.219437][  T761]  put_chars (drivers/char/virtio_console.c:1176)
[   26.219440][  T761]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.219443][  T761]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.219448][  T761]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.219455][  T761]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.219457][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.219460][  T761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.219464][  T761]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.219468][  T761]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.219469][  T761]  ? 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))
[   26.219471][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.219473][  T761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.219477][  T761]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.219480][  T761]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.219482][  T761]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.219487][  T761]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.219489][  T761]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.219491][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.219492][  T761]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.219496][  T761]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.219498][  T761]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.219501][  T761]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.219504][  T761]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.219505][  T761]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.219508][  T761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.219512][  T761]  ? 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
[   26.219514][  T761]  _printk (kernel/printk/printk.c:2504)
[   26.219517][  T761]  ? snapshot_read.cold (user.c:?)
[   26.219519][  T761]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   26.219524][  T761]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   26.219528][  T761]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   26.219531][  T761] br_init (bridge.mod.c:?) bridge
[   26.219544][  T761]  do_one_initcall (init/main.c:1357)
[   26.219548][  T761]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   26.219553][  T761]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   26.219555][  T761]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   26.219560][  T761]  do_init_module (kernel/module/main.c:3117)
[   26.219563][  T761]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.219567][  T761]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   26.219569][  T761]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   26.219573][  T761]  load_module (kernel/module/main.c:3593)
[   26.219580][  T761]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   26.219584][  T761]  ? backing_file_read_iter (fs/backing-file.c:211)
[   26.219588][  T761]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.219591][  T761]  init_module_from_file (kernel/module/main.c:3790)
[   26.219594][  T761]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   26.219601][  T761]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.219605][  T761]  ? 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)
[   26.219608][  T761]  idempotent_init_module (kernel/module/main.c:3802)
[   26.219611][  T761]  ? init_module_from_file (kernel/module/main.c:3791)
[   26.219617][  T761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.219619][  T761]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.219624][  T761]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   26.219625][  T761]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.219629][  T761]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.219631][  T761]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.219633][  T761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.219636][  T761] RIP: 0033:0x7f6d43ee837d
[   26.219640][  T761] 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
[   26.219641][  T761] RSP: 002b:00007ffc672b9498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   26.219644][  T761] RAX: ffffffffffffffda RBX: 0000562678273810 RCX: 00007f6d43ee837d
[   26.219645][  T761] RDX: 0000000000000000 RSI: 0000562676a67ffd RDI: 0000000000000002
[   26.219646][  T761] RBP: 00007ffc672b9530 R08: 0000000000000000 R09: 0000000000000000
[   26.219647][  T761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562676a67ffd
[   26.219647][  T761] R13: 00005626782739c0 R14: 0000000000040000 R15: 0000000000000000
| [   30.512414][  T883] softirqs last disabled at (15076): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   30.512417][  T883] Preemption disabled at:
| [   30.512417][  T883] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.512426][  T883] Tainted: [W]=WARN
[   30.512427][  T883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.512429][  T883] Call Trace:
[   30.512430][  T883]  <TASK>
[   30.512432][  T883]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.512437][  T883]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.512439][  T883]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.512444][  T883]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.512447][  T883]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.512453][  T883]  __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))
[   30.512455][  T883]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.512461][  T883]  ? 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)
[   30.512464][  T883]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.512467][  T883]  put_chars (drivers/char/virtio_console.c:1176)
[   30.512469][  T883]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   30.512472][  T883]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.512475][  T883]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.512478][  T883]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.512481][  T883]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.512485][  T883]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.512489][  T883]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.512491][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.512493][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.512497][  T883]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.512499][  T883]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   30.512502][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512504][  T883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.512508][  T883]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.512512][  T883]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.512513][  T883]  ? 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))
[   30.512515][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512517][  T883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.512521][  T883]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.512525][  T883]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.512526][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.512532][  T883]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.512534][  T883]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.512536][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512537][  T883]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.512541][  T883]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.512543][  T883]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.512546][  T883]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.512549][  T883]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.512550][  T883]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.512552][  T883]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.512555][  T883]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.512556][  T883]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.512558][  T883]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.512560][  T883]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.512562][  T883]  ? __sys_sendmsg (net/socket.c:2799)
[   30.512566][  T883]  _printk (kernel/printk/printk.c:2504)
[   30.512569][  T883]  ? snapshot_read.cold (user.c:?)
[   30.512573][  T883]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.512577][  T883]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.512580][  T883]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.512583][  T883]  ? netdev_notice (net/core/dev.c:13194)
[   30.512587][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512589][  T883]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   30.512592][  T883]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   30.512594][  T883]  ? 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)
[   30.512597][  T883]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   30.512602][  T883]  dev_set_allmulti (net/core/dev_api.c:315)
[   30.512605][  T883] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   30.512622][  T883] br_del_if (net/bridge/br_if.c:732) bridge
[   30.512629][  T883]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.512634][  T883]  do_set_master (net/core/rtnetlink.c:3055)
[   30.512638][  T883]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.512641][  T883]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.512645][  T883]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.512646][  T883]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.512648][  T883]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.512651][  T883]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.512653][  T883]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.512655][  T883]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.512658][  T883]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.512661][  T883]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.512663][  T883]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.512666][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.512668][  T883]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.512669][  T883]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.512673][  T883]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.512675][  T883]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.512677][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512679][  T883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.512681][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512682][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512684][  T883]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.512686][  T883]  ? __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)
[   30.512690][  T883]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.512692][  T883]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.512695][  T883]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.512697][  T883]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.512703][  T883]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.512708][  T883]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.512713][  T883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.512715][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.512720][  T883]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.512722][  T883]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.512724][  T883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.512726][  T883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.512729][  T883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.512731][  T883]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.512735][  T883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.512736][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.512740][  T883]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.512742][  T883]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.512746][  T883]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.512748][  T883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.512750][  T883]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.512756][  T883]  ? 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))
[   30.512758][  T883]  ? 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))
[   30.512762][  T883]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.512765][  T883]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.512768][  T883]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.512772][  T883]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.512776][  T883]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.512777][  T883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.512780][  T883]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.512784][  T883]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.512788][  T883]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.512790][  T883]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.512792][  T883]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.512794][  T883]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.512801][  T883]  ___sys_sendmsg (net/socket.c:2767)
[   30.512808][  T883]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.512824][  T883]  __sys_sendmsg (net/socket.c:2799)
[   30.512826][  T883]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.512833][  T883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.512836][  T883]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.512838][  T883]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.512842][  T883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.512844][  T883] RIP: 0033:0x7f787cbaf54e
[   30.512848][  T883] 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
[   30.512849][  T883] RSP: 002b:00007ffe16d30690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.512852][  T883] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f787cbaf54e
[   30.512853][  T883] RDX: 0000000000000000 RSI: 00007ffe16d30740 RDI: 0000000000000005
[   30.512854][  T883] RBP: 00007ffe16d306a0 R08: 0000000000000000 R09: 0000000000000000
[   30.512855][  T883] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ea0
[   30.512855][  T883] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe16d30e10
| [   32.039172][  T768] softirqs last disabled at (20772): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   32.039180][  T768] Preemption disabled at:
| [   32.039181][  T768] 0x0
| [   32.039191][  T768] Tainted: [W]=WARN
[   32.039192][  T768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.039194][  T768] Workqueue: events netdev_work_proc
[   32.039197][  T768] Call Trace:
[   32.039199][  T768]  <TASK>
[   32.039201][  T768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.039207][  T768]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.039211][  T768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.039215][  T768]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.039219][  T768]  __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))
[   32.039222][  T768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.039228][  T768]  ? 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)
[   32.039231][  T768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.039234][  T768]  put_chars (drivers/char/virtio_console.c:1176)
[   32.039237][  T768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.039244][  T768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.039251][  T768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.039253][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.039258][  T768]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.039262][  T768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.039263][  T768]  ? 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))
[   32.039266][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.039269][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.039273][  T768]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.039277][  T768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.039278][  T768]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.039283][  T768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.039286][  T768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.039287][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.039289][  T768]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.039293][  T768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.039295][  T768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.039298][  T768]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.039302][  T768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.039304][  T768]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.039309][  T768]  _printk (kernel/printk/printk.c:2504)
[   32.039312][  T768]  ? snapshot_read.cold (user.c:?)
[   32.039315][  T768]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   32.039322][  T768] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   32.039334][  T768] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   32.039344][  T768] br_device_event (net/bridge/br.c:111) bridge
[   32.039352][  T768]  ? 0xffffffffc0a00000
[   32.039358][  T768]  notifier_call_chain (kernel/notifier.c:85)
[   32.039363][  T768]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   32.039368][  T768]  ? netif_change_name (net/core/dev.c:1517)
[   32.039372][  T768]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.039374][  T768]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   32.039378][  T768]  ? process_one_work (kernel/workqueue.c:3387)
[   32.039380][  T768]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   32.039381][  T768]  ? kthread (kernel/kthread.c:436)
[   32.039383][  T768]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   32.039386][  T768]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   32.039390][  T768]  netif_change_flags (net/core/dev.c:9882)
[   32.039394][  T768] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   32.039399][  T768]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   32.039402][  T768]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   32.039404][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.039406][  T768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.039408][  T768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.039411][  T768]  process_one_work (kernel/workqueue.c:3387)
[   32.039417][  T768]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   32.039420][  T768]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.039428][  T768]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   32.039431][  T768]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.039433][  T768]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   32.039436][  T768]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.039438][  T768]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.039439][  T768]  kthread (kernel/kthread.c:436)
[   32.039441][  T768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.039444][  T768]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   32.039447][  T768]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.039450][  T768]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   32.039454][  T768]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.039457][  T768]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   32.039460][  T768]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   63.072605][ T1607] softirqs last disabled at (18168): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   63.072607][ T1607] Preemption disabled at:
| [   63.072608][ T1607] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.072617][ T1607] Tainted: [W]=WARN
[   63.072618][ T1607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.072619][ T1607] Call Trace:
[   63.072621][ T1607]  <TASK>
[   63.072623][ T1607]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.072628][ T1607]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.072629][ T1607]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.072634][ T1607]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.072637][ T1607]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.072643][ T1607]  __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))
[   63.072645][ T1607]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.072651][ T1607]  ? 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)
[   63.072654][ T1607]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.072657][ T1607]  put_chars (drivers/char/virtio_console.c:1176)
[   63.072660][ T1607]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.072663][ T1607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.072667][ T1607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.072669][ T1607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.072674][ T1607]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.072677][ T1607]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   63.072679][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.072681][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.072685][ T1607]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.072687][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.072691][ T1607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.072695][ T1607]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.072699][ T1607]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.072700][ T1607]  ? 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))
[   63.072703][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.072705][ T1607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.072709][ T1607]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.072712][ T1607]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.072714][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.072719][ T1607]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.072721][ T1607]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.072723][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.072725][ T1607]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   63.072728][ T1607]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.072730][ T1607]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.072733][ T1607]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.072738][ T1607]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.072739][ T1607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.072742][ T1607]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.072746][ T1607]  _printk (kernel/printk/printk.c:2504)
[   63.072749][ T1607]  ? snapshot_read.cold (user.c:?)
[   63.072753][ T1607]  ? br_multicast_flood (??:?) bridge
[   63.072767][ T1607]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   63.072768][ T1607]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.072769][ T1607]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.072774][ T1607] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   63.072785][ T1607] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   63.072793][ T1607] new_nbp (net/bridge/br_if.c:449) bridge
[   63.072802][ T1607] br_add_if (net/bridge/br_if.c:592) bridge
[   63.072810][ T1607]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   63.072814][ T1607]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   63.072820][ T1607]  do_set_master (net/core/rtnetlink.c:3071)
[   63.072826][ T1607]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   63.072829][ T1607]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   63.072833][ T1607]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   63.072834][ T1607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.072836][ T1607]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.072840][ T1607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.072842][ T1607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.072844][ T1607]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.072847][ T1607]  ? kasan_save_stack (mm/kasan/common.c:58)
[   63.072850][ T1607]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.072851][ T1607]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.072854][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.072856][ T1607]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   63.072859][ T1607]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   63.072864][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.072866][ T1607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.072868][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.072870][ T1607]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.072872][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.072873][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.072875][ T1607]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   63.072877][ T1607]  ? __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)
[   63.072881][ T1607]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   63.072883][ T1607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   63.072886][ T1607]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.072888][ T1607]  ? nla_get_range_signed (lib/nlattr.c:270)
[   63.072894][ T1607]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   63.072899][ T1607]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.072904][ T1607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.072906][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.072911][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.072913][ T1607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.072915][ T1607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.072917][ T1607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.072926][ T1607]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.072928][ T1607]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.072931][ T1607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.072932][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.072937][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.072939][ T1607]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.072942][ T1607]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.072944][ T1607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.072947][ T1607]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.072953][ T1607]  ? 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))
[   63.072954][ T1607]  ? 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))
[   63.072958][ T1607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.072962][ T1607]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.072965][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   63.072969][ T1607]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.072972][ T1607]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.072974][ T1607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.072977][ T1607]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   63.072981][ T1607]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   63.072984][ T1607]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.072987][ T1607]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.072989][ T1607]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   63.072990][ T1607]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   63.072997][ T1607]  ___sys_sendmsg (net/socket.c:2767)
[   63.073000][ T1607]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.073015][ T1607]  __sys_sendmsg (net/socket.c:2799)
[   63.073018][ T1607]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.073024][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.073028][ T1607]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.073030][ T1607]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.073033][ T1607]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.073036][ T1607] RIP: 0033:0x7f5d2a41854e
[   63.073040][ T1607] 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
[   63.073041][ T1607] RSP: 002b:00007ffd45559690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.073044][ T1607] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5d2a41854e
[   63.073045][ T1607] RDX: 0000000000000000 RSI: 00007ffd45559740 RDI: 0000000000000005
[   63.073046][ T1607] RBP: 00007ffd455596a0 R08: 0000000000000000 R09: 0000000000000000
[   63.073047][ T1607] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ec1
[   63.073048][ T1607] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd45559e10
| [   69.569154][ T1725] softirqs last disabled at (22702): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   69.569156][ T1725] Preemption disabled at:
| [   69.569157][ T1725] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.569166][ T1725] Tainted: [W]=WARN
[   69.569167][ T1725] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.569168][ T1725] Call Trace:
[   69.569170][ T1725]  <TASK>
[   69.569172][ T1725]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.569177][ T1725]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.569179][ T1725]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.569184][ T1725]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.569187][ T1725]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.569192][ T1725]  __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))
[   69.569195][ T1725]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.569201][ T1725]  ? 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)
[   69.569204][ T1725]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.569208][ T1725]  put_chars (drivers/char/virtio_console.c:1176)
[   69.569210][ T1725]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   69.569212][ T1725]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.569215][ T1725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.569219][ T1725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.569222][ T1725]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.569226][ T1725]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.569230][ T1725]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.569232][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.569233][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.569238][ T1725]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.569240][ T1725]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   69.569243][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569245][ T1725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.569249][ T1725]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.569252][ T1725]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.569254][ T1725]  ? 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))
[   69.569256][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569258][ T1725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.569263][ T1725]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.569266][ T1725]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.569268][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.569273][ T1725]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.569276][ T1725]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.569277][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569279][ T1725]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   69.569283][ T1725]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.569285][ T1725]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.569288][ T1725]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.569291][ T1725]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.569292][ T1725]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.569294][ T1725]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.569297][ T1725]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.569298][ T1725]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.569300][ T1725]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   69.569302][ T1725]  ? ___sys_sendmsg (net/socket.c:2767)
[   69.569304][ T1725]  ? __sys_sendmsg (net/socket.c:2799)
[   69.569308][ T1725]  _printk (kernel/printk/printk.c:2504)
[   69.569311][ T1725]  ? snapshot_read.cold (user.c:?)
[   69.569316][ T1725]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   69.569319][ T1725]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   69.569323][ T1725]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.569325][ T1725]  ? netdev_notice (net/core/dev.c:13194)
[   69.569329][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569331][ T1725]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   69.569334][ T1725]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   69.569336][ T1725]  ? 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)
[   69.569339][ T1725]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   69.569344][ T1725]  dev_set_allmulti (net/core/dev_api.c:315)
[   69.569348][ T1725] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   69.569364][ T1725] br_del_if (net/bridge/br_if.c:732) bridge
[   69.569372][ T1725]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.569377][ T1725]  do_set_master (net/core/rtnetlink.c:3055)
[   69.569381][ T1725]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   69.569385][ T1725]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   69.569388][ T1725]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   69.569389][ T1725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.569392][ T1725]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.569395][ T1725]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.569397][ T1725]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.569399][ T1725]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.569402][ T1725]  ? kasan_save_stack (mm/kasan/common.c:58)
[   69.569405][ T1725]  ? kasan_save_stack (mm/kasan/common.c:57)
[   69.569407][ T1725]  ? kasan_save_track (mm/kasan/common.c:78)
[   69.569410][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.569412][ T1725]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   69.569414][ T1725]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   69.569417][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.569419][ T1725]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.569422][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569424][ T1725]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.569426][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569427][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569429][ T1725]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.569431][ T1725]  ? __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)
[   69.569435][ T1725]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.569437][ T1725]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   69.569440][ T1725]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.569442][ T1725]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.569448][ T1725]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   69.569453][ T1725]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.569458][ T1725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.569460][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.569465][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.569467][ T1725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.569469][ T1725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.569471][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.569475][ T1725]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.569477][ T1725]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.569480][ T1725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.569481][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.569486][ T1725]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.569488][ T1725]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.569492][ T1725]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.569493][ T1725]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.569496][ T1725]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.569502][ T1725]  ? 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))
[   69.569504][ T1725]  ? 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))
[   69.569508][ T1725]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.569511][ T1725]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.569514][ T1725]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   69.569518][ T1725]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.569522][ T1725]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.569523][ T1725]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.569527][ T1725]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   69.569530][ T1725]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   69.569534][ T1725]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   69.569537][ T1725]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.569539][ T1725]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   69.569541][ T1725]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   69.569548][ T1725]  ___sys_sendmsg (net/socket.c:2767)
[   69.569551][ T1725]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.569566][ T1725]  __sys_sendmsg (net/socket.c:2799)
[   69.569569][ T1725]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.569575][ T1725]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.569579][ T1725]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.569581][ T1725]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.569584][ T1725]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.569587][ T1725] RIP: 0033:0x7fc48a41654e
[   69.569590][ T1725] 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
[   69.569592][ T1725] RSP: 002b:00007ffde6254ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.569594][ T1725] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc48a41654e
[   69.569596][ T1725] RDX: 0000000000000000 RSI: 00007ffde6254f90 RDI: 0000000000000005
[   69.569597][ T1725] RBP: 00007ffde6254ef0 R08: 0000000000000000 R09: 0000000000000000
[   69.569598][ T1725] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910ec7
[   69.569598][ T1725] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde6255660
| [   73.340491][   T67] softirqs last disabled at (92434): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   73.340499][   T67] Preemption disabled at:
| [   73.340500][   T67] 0x0
| [   73.340510][   T67] Tainted: [W]=WARN
[   73.340511][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.340513][   T67] Workqueue: events netdev_work_proc
[   73.340516][   T67] Call Trace:
[   73.340518][   T67]  <TASK>
[   73.340520][   T67]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.340525][   T67]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.340530][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.340533][   T67]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.340539][   T67]  __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))
[   73.340541][   T67]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.340547][   T67]  ? 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)
[   73.340550][   T67]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.340554][   T67]  put_chars (drivers/char/virtio_console.c:1176)
[   73.340557][   T67]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.340564][   T67]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.340571][   T67]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.340574][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.340579][   T67]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.340583][   T67]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.340584][   T67]  ? 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))
[   73.340587][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.340591][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.340595][   T67]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.340599][   T67]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.340600][   T67]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.340606][   T67]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.340609][   T67]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.340610][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.340612][   T67]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   73.340616][   T67]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.340618][   T67]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.340621][   T67]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.340625][   T67]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.340627][   T67]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.340629][   T67]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.340632][   T67]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.340636][   T67]  _printk (kernel/printk/printk.c:2504)
[   73.340640][   T67]  ? snapshot_read.cold (user.c:?)
[   73.340643][   T67]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   73.340651][   T67] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   73.340663][   T67] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   73.340672][   T67] br_device_event (net/bridge/br.c:111) bridge
[   73.340681][   T67]  ? 0xffffffffc0a00000
[   73.340687][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   73.340693][   T67]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   73.340699][   T67]  ? netif_change_name (net/core/dev.c:1517)
[   73.340703][   T67]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.340704][   T67]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   73.340709][   T67]  ? process_one_work (kernel/workqueue.c:3387)
[   73.340710][   T67]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   73.340711][   T67]  ? kthread (kernel/kthread.c:436)
[   73.340713][   T67]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   73.340716][   T67]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   73.340721][   T67]  netif_change_flags (net/core/dev.c:9882)
[   73.340725][   T67] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   73.340730][   T67]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   73.340733][   T67]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   73.340735][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.340737][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.340739][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.340743][   T67]  process_one_work (kernel/workqueue.c:3387)
[   73.340749][   T67]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   73.340752][   T67]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.340760][   T67]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   73.340763][   T67]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.340765][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.340768][   T67]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.340770][   T67]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.340772][   T67]  kthread (kernel/kthread.c:436)
[   73.340774][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.340777][   T67]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   73.340780][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.340783][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   73.340787][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.340790][   T67]  ? 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
__irq_exit_rcu: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