======================================
| [    9.529526][  T203] softirqs last disabled at (21727): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.529528][  T203] Preemption disabled at:
| [    9.529529][  T203] 0x0
| [    9.529539][  T203] Tainted: [W]=WARN
[    9.529539][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.529541][  T203] Call Trace:
[    9.529543][  T203]  <TASK>
[    9.529544][  T203]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.529550][  T203]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.529555][  T203]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.529559][  T203]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.529563][  T203]  __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))
[    9.529565][  T203]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.529571][  T203]  ? 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)
[    9.529574][  T203]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.529578][  T203]  put_chars (drivers/char/virtio_console.c:1176)
[    9.529580][  T203]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.529582][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.529585][  T203]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.529590][  T203]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.529598][  T203]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.529600][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.529602][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.529606][  T203]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.529610][  T203]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.529612][  T203]  ? 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))
[    9.529615][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.529617][  T203]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.529621][  T203]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.529625][  T203]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.529627][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.529632][  T203]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.529634][  T203]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.529636][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.529638][  T203]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.529641][  T203]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.529643][  T203]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.529646][  T203]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.529649][  T203]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.529652][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.529655][  T203]  _printk (kernel/printk/printk.c:2504)
[    9.529659][  T203]  ? snapshot_read.cold (user.c:?)
[    9.529661][  T203]  ? 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)
[    9.529664][  T203]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.529668][  T203]  ? 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)
[    9.529670][  T203]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.529674][  T203]  ? exit_notify (kernel/exit.c:780)
[    9.529675][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.529678][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.529683][  T203]  do_group_exit (kernel/exit.c:1151)
[    9.529686][  T203]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.529688][  T203]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.529690][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.529694][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.529697][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.529699][  T203] RIP: 0033:0x7f31514af1b8
[    9.529701][  T203] Code: Unable to access opcode bytes at 0x7f31514af18e.

Code starting with the faulting instruction
===========================================
[    9.529702][  T203] RSP: 002b:00007ffc9fc0b3c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.529705][  T203] RAX: ffffffffffffffda RBX: 00007f31515dff88 RCX: 00007f31514af1b8
[    9.529706][  T203] RDX: 00007f31511f9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.529707][  T203] RBP: 00007ffc9fc0b420 R08: 0000000000000000 R09: 0000000000000060
[    9.529708][  T203] R10: 00007ffc9fc0b1e0 R11: 0000000000000246 R12: 0000000000000001
[    9.529708][  T203] R13: 0000000000000000 R14: 00007f31515de680 R15: 00007f31515dffa0
| [   28.681964][ T1121] softirqs last disabled at (19373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.681966][ T1121] Preemption disabled at:
| [   28.681967][ T1121] vprintk_emit (kernel/printk/printk.c:2471)
| [   28.681975][ T1121] Tainted: [W]=WARN
[   28.681975][ T1121] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.681977][ T1121] Call Trace:
[   28.681978][ T1121]  <TASK>
[   28.681980][ T1121]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.681985][ T1121]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   28.681987][ T1121]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.681992][ T1121]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.681997][ T1121]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.682001][ T1121]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.682003][ T1121]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.682009][ T1121]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.682012][ T1121]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.682015][ T1121]  put_chars (drivers/char/virtio_console.c:1176)
[   28.682018][ T1121]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.682019][ T1121]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.682022][ T1121]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.682027][ T1121]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.682035][ T1121]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.682037][ T1121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.682039][ T1121]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.682043][ T1121]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.682047][ T1121]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.682049][ T1121]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   28.682052][ T1121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.682053][ T1121]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.682057][ T1121]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.682061][ T1121]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.682063][ T1121]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.682068][ T1121]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.682071][ T1121]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.682073][ T1121]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.682074][ T1121]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   28.682078][ T1121]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.682080][ T1121]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.682082][ T1121]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.682085][ T1121]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.682090][ T1121]  ? exit_u32 (./include/net/pkt_cls.h:188 ./include/net/pkt_cls.h:231 net/sched/cls_u32.c:1373) cls_u32
[   28.682093][ T1121]  _printk (kernel/printk/printk.c:2504)
[   28.682097][ T1121]  ? snapshot_read.cold (user.c:?)
[   28.682103][ T1121]  ? 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)
[   28.682106][ T1121] init_u32 (net/sched/cls_u32.c:1370) cls_u32
[   28.682109][ T1121]  do_one_initcall (init/main.c:1357)
[   28.682112][ T1121]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   28.682117][ T1121]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   28.682119][ T1121]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   28.682124][ T1121]  do_init_module (kernel/module/main.c:3117)
[   28.682127][ T1121]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.682131][ T1121]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   28.682133][ T1121]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   28.682137][ T1121]  load_module (kernel/module/main.c:3593)
[   28.682146][ T1121]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   28.682151][ T1121]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   28.682154][ T1121]  ? __ia32_sys_fsconfig (??:?)
[   28.682158][ T1121]  ? backing_file_read_iter (fs/backing-file.c:211)
[   28.682161][ T1121]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.682165][ T1121]  init_module_from_file (kernel/module/main.c:3790)
[   28.682167][ T1121]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   28.682174][ T1121]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.682178][ T1121]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.682181][ T1121]  idempotent_init_module (kernel/module/main.c:3802)
[   28.682184][ T1121]  ? init_module_from_file (kernel/module/main.c:3791)
[   28.682189][ T1121]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   28.682191][ T1121]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   28.682197][ T1121]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   28.682198][ T1121]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.682202][ T1121]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.682205][ T1121]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.682207][ T1121]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.682209][ T1121] RIP: 0033:0x7f9d5bd0f37d
[   28.682212][ T1121] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   28.682214][ T1121] RSP: 002b:00007fffdb3762c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   28.682216][ T1121] RAX: ffffffffffffffda RBX: 0000558182dfc810 RCX: 00007f9d5bd0f37d
[   28.682218][ T1121] RDX: 0000000000000000 RSI: 000055816e0ffffd RDI: 0000000000000000
[   28.682219][ T1121] RBP: 00007fffdb376360 R08: 0000000000000000 R09: 0000000000000000
[   28.682220][ T1121] R10: 0000000000000000 R11: 0000000000000246 R12: 000055816e0ffffd
[   28.682220][ T1121] R13: 0000558182dfc950 R14: 0000000000040000 R15: 0000000000000000
| [   30.424660][ T1208] softirqs last disabled at (17921): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   30.424663][ T1208] Preemption disabled at:
| [   30.424663][ T1208] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.424672][ T1208] Tainted: [W]=WARN
[   30.424673][ T1208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.424674][ T1208] Call Trace:
[   30.424676][ T1208]  <TASK>
[   30.424677][ T1208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.424683][ T1208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.424685][ T1208]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.424689][ T1208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.424693][ T1208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.424698][ T1208]  __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))
[   30.424699][ T1208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.424706][ T1208]  ? 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)
[   30.424709][ T1208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.424713][ T1208]  put_chars (drivers/char/virtio_console.c:1176)
[   30.424715][ T1208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.424716][ T1208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.424720][ T1208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.424723][ T1208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.424728][ T1208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.424732][ T1208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.424737][ T1208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.424740][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.424744][ T1208]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.424748][ T1208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.424750][ T1208]  ? 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))
[   30.424753][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.424755][ T1208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.424759][ T1208]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.424763][ T1208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.424765][ T1208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.424770][ T1208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.424773][ T1208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.424775][ T1208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.424776][ T1208]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.424780][ T1208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.424782][ T1208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.424784][ T1208]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.424788][ T1208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.424793][ T1208]  ? ip6gre_fini (net/ipv6/ip6_gre.c:1112 (discriminator 1)) ip6_gre
[   30.424796][ T1208]  _printk (kernel/printk/printk.c:2504)
[   30.424799][ T1208]  ? snapshot_read.cold (user.c:?)
[   30.424805][ T1208]  ? 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)
[   30.424809][ T1208] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre
[   30.424811][ T1208]  do_one_initcall (init/main.c:1357)
[   30.424814][ T1208]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   30.424819][ T1208]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   30.424821][ T1208]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   30.424827][ T1208]  do_init_module (kernel/module/main.c:3117)
[   30.424830][ T1208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.424834][ T1208]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   30.424836][ T1208]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   30.424840][ T1208]  load_module (kernel/module/main.c:3593)
[   30.424845][ T1208]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   30.424850][ T1208]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   30.424853][ T1208]  ? __ia32_sys_fsconfig (??:?)
[   30.424857][ T1208]  ? backing_file_read_iter (fs/backing-file.c:211)
[   30.424861][ T1208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.424864][ T1208]  init_module_from_file (kernel/module/main.c:3790)
[   30.424866][ T1208]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   30.424874][ T1208]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.424877][ T1208]  ? 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)
[   30.424880][ T1208]  idempotent_init_module (kernel/module/main.c:3802)
[   30.424883][ T1208]  ? init_module_from_file (kernel/module/main.c:3791)
[   30.424888][ T1208]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   30.424891][ T1208]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   30.424896][ T1208]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   30.424897][ T1208]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.424901][ T1208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.424904][ T1208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.424906][ T1208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.424908][ T1208] RIP: 0033:0x7f72db8a337d
[   30.424912][ T1208] 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
[   30.424913][ T1208] RSP: 002b:00007ffeccbff8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   30.424916][ T1208] RAX: ffffffffffffffda RBX: 000055e4b0633810 RCX: 00007f72db8a337d
[   30.424917][ T1208] RDX: 0000000000000000 RSI: 000055e478364ffd RDI: 0000000000000000
[   30.424918][ T1208] RBP: 00007ffeccbff960 R08: 0000000000000000 R09: 0000000000000000
[   30.424919][ T1208] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e478364ffd
[   30.424920][ T1208] R13: 000055e4b06339a0 R14: 0000000000040000 R15: 0000000000000000
| [   30.561586][   T10]  #11: ffffffff9749d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
| [   30.561589][   T10]
| [   30.561589][   T10] stack backtrace:
| [   30.561594][   T10] Tainted: [W]=WARN
[   30.561595][   T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.561596][   T10] Workqueue: mld mld_ifc_work
[   30.561599][   T10] Call Trace:
[   30.561601][   T10]  <TASK>
[   30.561602][   T10]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.561608][   T10]  lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938)
[   30.561613][   T10]  __might_resched (kernel/sched/core.c:9196 (discriminator 9))
[   30.561617][   T10]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.561620][   T10]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.561624][   T10]  __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))
[   30.561626][   T10]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.561632][   T10]  ? 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)
[   30.561635][   T10]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.561639][   T10]  put_chars (drivers/char/virtio_console.c:1176)
[   30.561641][   T10]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.561644][   T10]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   30.561649][   T10]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.561657][   T10]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.561660][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.561662][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.561666][   T10]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.561670][   T10]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.561672][   T10]  ? 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))
[   30.561675][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.561677][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.561681][   T10]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.561685][   T10]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.561687][   T10]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.561693][   T10]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.561696][   T10]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.561697][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.561699][   T10]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.561703][   T10]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.561705][   T10]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.561708][   T10]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.561711][   T10]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.561713][   T10]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.561718][   T10]  _printk (kernel/printk/printk.c:2504)
[   30.561721][   T10]  ? snapshot_read.cold (user.c:?)
[   30.561723][   T10]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   30.561728][   T10]  ? idr_get_free (??:?)
[   30.561733][   T10]  ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3))
[   30.561738][   T10] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre
[   30.561743][   T10]  ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre
[   30.561746][   T10]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.561749][   T10]  ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922)
[   30.561753][   T10]  ? mark_lock_irq (kernel/locking/lockdep.c:4265 (discriminator 1) kernel/locking/lockdep.c:4314 (discriminator 1))
[   30.561755][   T10]  ? skb_network_protocol (./include/linux/skbuff.h:2534)
[   30.561758][   T10]  ? save_trace (kernel/locking/lockdep.c:558 kernel/locking/lockdep.c:594)
[   30.561764][   T10]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   30.561769][   T10]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   30.561773][   T10]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.561776][   T10]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   30.561778][   T10]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   30.561779][   T10]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.561781][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.561786][   T10]  __dev_xmit_skb (net/core/dev.c:4262)
[   30.561791][   T10]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   30.561792][   T10]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   30.561795][   T10]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.561797][   T10]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.561801][   T10]  __dev_queue_xmit (net/core/dev.c:4884)
[   30.561804][   T10]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.561809][   T10]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.561810][   T10]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.561812][   T10]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   30.561815][   T10]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.561819][   T10]  ? eth_header (net/ethernet/eth.c:99)
[   30.561822][   T10]  ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611)
[   30.561830][   T10]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   30.561836][   T10]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   30.561837][   T10]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.561840][   T10]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.561843][   T10]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   30.561848][   T10]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   30.561853][   T10]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   30.561856][   T10]  ? ip6_finish_output (./include/linux/skbuff.h:1165)
[   30.561858][   T10]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.561860][   T10]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   30.561862][   T10]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.561866][   T10]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   30.561868][   T10]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   30.561870][   T10]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   30.561874][   T10]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   30.561879][   T10]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   30.561885][   T10]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148)
[   30.561889][   T10]  mld_ifc_work (net/ipv6/mcast.c:2711)
[   30.561891][   T10]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   30.561893][   T10]  process_one_work (kernel/workqueue.c:3387)
[   30.561899][   T10]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   30.561902][   T10]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.561910][   T10]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   30.561914][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   30.561917][   T10]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   30.561919][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   30.561922][   T10]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   30.561924][   T10]  kthread (kernel/kthread.c:436)
[   30.561926][   T10]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.561929][   T10]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   30.561932][   T10]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.561937][   T10]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   30.561940][   T10]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.561943][   T10]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   30.561946][   T10]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   31.973947][   T24] softirqs last disabled at (1745970): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   31.973949][   T24] Preemption disabled at:
| [   31.973950][   T24] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   31.973958][   T24] Tainted: [W]=WARN
[   31.973959][   T24] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.973961][   T24] Workqueue: mld mld_ifc_work
[   31.973964][   T24] Call Trace:
[   31.973965][   T24]  <TASK>
[   31.973967][   T24]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.973973][   T24]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   31.973976][   T24]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.973980][   T24]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.973984][   T24]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.973989][   T24]  __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))
[   31.973991][   T24]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.973998][   T24]  ? 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)
[   31.974001][   T24]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.974004][   T24]  put_chars (drivers/char/virtio_console.c:1176)
[   31.974007][   T24]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.974010][   T24]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   31.974015][   T24]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.974020][   T24]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.974025][   T24]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.974028][   T24]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.974034][   T24]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.974037][   T24]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.974039][   T24]  ? 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))
[   31.974042][   T24]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.974044][   T24]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.974048][   T24]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.974052][   T24]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.974054][   T24]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.974060][   T24]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.974063][   T24]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.974065][   T24]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.974066][   T24]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   31.974070][   T24]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.974072][   T24]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.974075][   T24]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.974078][   T24]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.974080][   T24]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.974085][   T24]  _printk (kernel/printk/printk.c:2504)
[   31.974088][   T24]  ? snapshot_read.cold (user.c:?)
[   31.974090][   T24]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   31.974095][   T24]  ? idr_get_free (??:?)
[   31.974100][   T24]  ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3))
[   31.974105][   T24] ip6erspan_tunnel_xmit (net/ipv6/ip6_gre.c:936) ip6_gre
[   31.974114][   T24]  ? ip6gre_tunnel_siocdevprivate (net/ipv6/ip6_gre.c:1200) ip6_gre
[   31.974117][   T24]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   31.974129][   T24]  dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953)
[   31.974134][   T24]  sch_direct_xmit (net/sched/sch_generic.c:372)
[   31.974137][   T24]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.974140][   T24]  ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19))
[   31.974142][   T24]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   31.974143][   T24]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.974145][   T24]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.974150][   T24]  __dev_xmit_skb (net/core/dev.c:4262)
[   31.974155][   T24]  ? alloc_netdev_dummy (net/core/dev.c:12327)
[   31.974164][   T24]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   31.974167][   T24]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.974169][   T24]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.974173][   T24]  __dev_queue_xmit (net/core/dev.c:4884)
[   31.974176][   T24]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.974181][   T24]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.974183][   T24]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.974185][   T24]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   31.974188][   T24]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   31.974192][   T24]  ? eth_header (net/ethernet/eth.c:99)
[   31.974195][   T24]  ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611)
[   31.974202][   T24]  ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3))
[   31.974208][   T24]  ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269)
[   31.974209][   T24]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.974212][   T24]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.974215][   T24]  ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2))
[   31.974221][   T24]  ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221)
[   31.974225][   T24]  ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248)
[   31.974228][   T24]  ? ip6_finish_output (./include/linux/skbuff.h:1165)
[   31.974230][   T24]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.974232][   T24]  ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049)
[   31.974235][   T24]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.974238][   T24]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   31.974241][   T24]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   31.974243][   T24]  ? icmp6_dst_alloc (net/ipv6/route.c:3364)
[   31.974247][   T24]  mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4))
[   31.974251][   T24]  ? mld_dad_start_work (net/ipv6/mcast.c:1133)
[   31.974258][   T24]  ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148)
[   31.974262][   T24]  mld_ifc_work (net/ipv6/mcast.c:2711)
[   31.974264][   T24]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   31.974266][   T24]  process_one_work (kernel/workqueue.c:3387)
[   31.974273][   T24]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   31.974276][   T24]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.974283][   T24]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.974291][   T24]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.974293][   T24]  kthread (kernel/kthread.c:436)
[   31.974295][   T24]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.974299][   T24]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.974302][   T24]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.974306][   T24]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   31.974309][   T24]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.974313][   T24]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.974315][   T24]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.044073][ T1331] softirqs last disabled at (13208): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   33.044075][ T1331] Preemption disabled at:
| [   33.044076][ T1331] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.044084][ T1331] Tainted: [W]=WARN
[   33.044085][ T1331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.044087][ T1331] Call Trace:
[   33.044088][ T1331]  <TASK>
[   33.044090][ T1331]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.044096][ T1331]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.044097][ T1331]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.044102][ T1331]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.044106][ T1331]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.044110][ T1331]  __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))
[   33.044112][ T1331]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.044118][ T1331]  ? 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)
[   33.044121][ T1331]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.044125][ T1331]  put_chars (drivers/char/virtio_console.c:1176)
[   33.044127][ T1331]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.044134][ T1331]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.044141][ T1331]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.044144][ T1331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.044149][ T1331]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.044153][ T1331]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.044155][ T1331]  ? 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))
[   33.044158][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044166][ T1331]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.044170][ T1331]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.044174][ T1331]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.044176][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.044182][ T1331]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.044184][ T1331]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.044186][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044188][ T1331]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   33.044192][ T1331]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.044193][ T1331]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.044196][ T1331]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.044199][ T1331]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.044204][ T1331]  _printk (kernel/printk/printk.c:2504)
[   33.044208][ T1331]  ? snapshot_read.cold (user.c:?)
[   33.044210][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044212][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044213][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044214][ T1331]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.044216][ T1331]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.044220][ T1331]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.044223][ T1331]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.044226][ T1331]  ? netdev_notice (net/core/dev.c:13194)
[   33.044228][ T1331]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.044233][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044238][ T1331]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   33.044242][ T1331]  ? dev_set_allmulti (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:314)
[   33.044243][ T1331]  dev_set_allmulti (net/core/dev_api.c:315)
[   33.044246][ T1331]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   33.044250][ T1331]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   33.044255][ T1331]  br_dev_delete (net/bridge/br_if.c:387)
[   33.044259][ T1331]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   33.044260][ T1331]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.044262][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.044264][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.044266][ T1331]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   33.044287][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.044289][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.044292][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.044294][ T1331]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   33.044296][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.044301][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.044302][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.044304][ T1331]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   33.044306][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.044310][ T1331]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   33.044312][ T1331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.044315][ T1331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.044316][ T1331]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.044321][ T1331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.044323][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.044326][ T1331]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.044329][ T1331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.044332][ T1331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.044338][ T1331]  ? 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))
[   33.044341][ T1331]  ? 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))
[   33.044345][ T1331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.044349][ T1331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.044351][ T1331]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   33.044356][ T1331]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.044360][ T1331]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.044363][ T1331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   33.044365][ T1331]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   33.044370][ T1331]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   33.044374][ T1331]  ____sys_sendmsg (net/socket.c:2713)
[   33.044377][ T1331]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.044379][ T1331]  ? sock_write_iter (net/socket.c:1269)
[   33.044380][ T1331]  ? move_addr_to_kernel (net/socket.c:258)
[   33.044388][ T1331]  ___sys_sendmsg (net/socket.c:2767)
[   33.044390][ T1331]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.044406][ T1331]  __sys_sendmsg (net/socket.c:2799)
[   33.044409][ T1331]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.044416][ T1331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.044419][ T1331]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.044422][ T1331]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.044424][ T1331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.044427][ T1331] RIP: 0033:0x7f2fd9f2654e
[   33.044431][ T1331] 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
[   33.044433][ T1331] RSP: 002b:00007ffed1fd3240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.044435][ T1331] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2fd9f2654e
[   33.044437][ T1331] RDX: 0000000000000000 RSI: 00007ffed1fd32f0 RDI: 0000000000000005
[   33.044437][ T1331] RBP: 00007ffed1fd3250 R08: 0000000000000000 R09: 0000000000000000
[   33.044438][ T1331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91175b
[   33.044439][ T1331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed1fd39b0
| [   65.959168][ T3562] softirqs last disabled at (26885): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   65.959171][ T3562] Preemption disabled at:
| [   65.959171][ T3562] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.959179][ T3562] Tainted: [W]=WARN
[   65.959180][ T3562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.959182][ T3562] Call Trace:
[   65.959183][ T3562]  <TASK>
[   65.959185][ T3562]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.959190][ T3562]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.959192][ T3562]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.959197][ T3562]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.959200][ T3562]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.959205][ T3562]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.959206][ T3562]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.959213][ T3562]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.959216][ T3562]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.959220][ T3562]  put_chars (drivers/char/virtio_console.c:1176)
[   65.959222][ T3562]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.959223][ T3562]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.959227][ T3562]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.959229][ T3562]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.959234][ T3562]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.959238][ T3562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.959243][ T3562]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.959246][ T3562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.959250][ T3562]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.959254][ T3562]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.959256][ T3562]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   65.959259][ T3562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.959261][ T3562]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.959265][ T3562]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.959269][ T3562]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.959271][ T3562]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.959276][ T3562]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.959279][ T3562]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.959281][ T3562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.959282][ T3562]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   65.959286][ T3562]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.959288][ T3562]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.959290][ T3562]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.959294][ T3562]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.959296][ T3562]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   65.959300][ T3562]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2))
[   65.959304][ T3562]  ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec
[   65.959310][ T3562]  _printk (kernel/printk/printk.c:2504)
[   65.959314][ T3562]  ? snapshot_read.cold (user.c:?)
[   65.959315][ T3562]  ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092)
[   65.959323][ T3562] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec
[   65.959326][ T3562]  do_one_initcall (init/main.c:1357)
[   65.959329][ T3562]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   65.959333][ T3562]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   65.959336][ T3562]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   65.959341][ T3562]  do_init_module (kernel/module/main.c:3117)
[   65.959344][ T3562]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   65.959348][ T3562]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   65.959351][ T3562]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   65.959354][ T3562]  load_module (kernel/module/main.c:3593)
[   65.959359][ T3562]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   65.959364][ T3562]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   65.959368][ T3562]  ? backing_file_read_iter (fs/backing-file.c:211)
[   65.959372][ T3562]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.959375][ T3562]  init_module_from_file (kernel/module/main.c:3790)
[   65.959378][ T3562]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   65.959385][ T3562]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   65.959389][ T3562]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.959392][ T3562]  idempotent_init_module (kernel/module/main.c:3802)
[   65.959394][ T3562]  ? init_module_from_file (kernel/module/main.c:3791)
[   65.959399][ T3562]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   65.959402][ T3562]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[   65.959407][ T3562]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   65.959408][ T3562]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.959412][ T3562]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.959415][ T3562]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.959417][ T3562]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.959420][ T3562] RIP: 0033:0x7ffb20f9337d
[   65.959423][ T3562] 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
[   65.959425][ T3562] RSP: 002b:00007ffc76e689e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   65.959427][ T3562] RAX: ffffffffffffffda RBX: 000055dbc1bb2810 RCX: 00007ffb20f9337d
[   65.959429][ T3562] RDX: 0000000000000000 RSI: 000055db8c43dffd RDI: 0000000000000000
[   65.959429][ T3562] RBP: 00007ffc76e68a80 R08: 0000000000000000 R09: 0000000000000000
[   65.959430][ T3562] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db8c43dffd
[   65.959431][ T3562] R13: 000055dbc1bb2960 R14: 0000000000040000 R15: 0000000000000000
| [   66.965636][ T3625] softirqs last disabled at (16838): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   66.965639][ T3625] Preemption disabled at:
| [   66.965640][ T3625] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.965648][ T3625] Tainted: [W]=WARN
[   66.965649][ T3625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.965650][ T3625] Call Trace:
[   66.965652][ T3625]  <TASK>
[   66.965653][ T3625]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.965659][ T3625]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.965660][ T3625]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.965665][ T3625]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.965669][ T3625]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.965674][ T3625]  __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))
[   66.965675][ T3625]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.965682][ T3625]  ? 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)
[   66.965685][ T3625]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.965688][ T3625]  put_chars (drivers/char/virtio_console.c:1176)
[   66.965691][ T3625]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.965697][ T3625]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.965704][ T3625]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.965707][ T3625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.965712][ T3625]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.965716][ T3625]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.965717][ T3625]  ? 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))
[   66.965721][ T3625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.965723][ T3625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.965727][ T3625]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.965731][ T3625]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.965733][ T3625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.965738][ T3625]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.965741][ T3625]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.965743][ T3625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.965745][ T3625]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   66.965748][ T3625]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.965750][ T3625]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.965753][ T3625]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.965756][ T3625]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.965757][ T3625]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.965760][ T3625]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.965762][ T3625]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.965764][ T3625]  ? ____sys_sendmsg (net/socket.c:2713)
[   66.965766][ T3625]  ? ___sys_sendmsg (net/socket.c:2767)
[   66.965767][ T3625]  ? __sys_sendmsg (net/socket.c:2799)
[   66.965769][ T3625]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.965775][ T3625]  _printk (kernel/printk/printk.c:2504)
[   66.965778][ T3625]  ? snapshot_read.cold (user.c:?)
[   66.965783][ T3625]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.965786][ T3625]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.965790][ T3625]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.965793][ T3625]  ? netdev_notice (net/core/dev.c:13194)
[   66.965797][ T3625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.965799][ T3625]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   66.965801][ T3625]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   66.965803][ T3625]  ? 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)
[   66.965805][ T3625]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.965809][ T3625]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.965813][ T3625]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   66.965817][ T3625]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.965822][ T3625]  br_dev_delete (net/bridge/br_if.c:387)
[   66.965826][ T3625]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.965828][ T3625]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.965830][ T3625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.965832][ T3625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.965834][ T3625]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.965855][ T3625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.965857][ T3625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.965860][ T3625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.965862][ T3625]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.965864][ T3625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.965869][ T3625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.965871][ T3625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.965873][ T3625]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.965875][ T3625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.965878][ T3625]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.965880][ T3625]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.965884][ T3625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.965885][ T3625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.965889][ T3625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.965891][ T3625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.965895][ T3625]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.965897][ T3625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.965899][ T3625]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.965906][ T3625]  ? 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))
[   66.965908][ T3625]  ? 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))
[   66.965912][ T3625]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.965916][ T3625]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.965919][ T3625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.965923][ T3625]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.965927][ T3625]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.965931][ T3625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.965932][ T3625]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.965938][ T3625]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.965941][ T3625]  ____sys_sendmsg (net/socket.c:2713)
[   66.965943][ T3625]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.965945][ T3625]  ? sock_write_iter (net/socket.c:1269)
[   66.965947][ T3625]  ? move_addr_to_kernel (net/socket.c:258)
[   66.965954][ T3625]  ___sys_sendmsg (net/socket.c:2767)
[   66.965957][ T3625]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.965973][ T3625]  __sys_sendmsg (net/socket.c:2799)
[   66.965976][ T3625]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.965982][ T3625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.965985][ T3625]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.965987][ T3625]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.965990][ T3625]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.965992][ T3625] RIP: 0033:0x7f8aaa32e54e
[   66.965996][ T3625] 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
[   66.965998][ T3625] RSP: 002b:00007ffdfbe94d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.966000][ T3625] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8aaa32e54e
[   66.966002][ T3625] RDX: 0000000000000000 RSI: 00007ffdfbe94dc0 RDI: 0000000000000005
[   66.966003][ T3625] RBP: 00007ffdfbe94d20 R08: 0000000000000000 R09: 0000000000000000
[   66.966003][ T3625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91177d
[   66.966004][ T3625] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdfbe95480
| [   67.971366][ T3667] softirqs last disabled at (14864): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   67.971368][ T3667] Preemption disabled at:
| [   67.971369][ T3667] 0x0
| [   67.971379][ T3667] Tainted: [W]=WARN
[   67.971380][ T3667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.971382][ T3667] Call Trace:
[   67.971384][ T3667]  <TASK>
[   67.971385][ T3667]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.971392][ T3667]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.971396][ T3667]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.971400][ T3667]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.971404][ T3667]  __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))
[   67.971406][ T3667]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.971413][ T3667]  ? 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)
[   67.971416][ T3667]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.971419][ T3667]  put_chars (drivers/char/virtio_console.c:1176)
[   67.971422][ T3667]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.971424][ T3667]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.971427][ T3667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.971430][ T3667]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.971434][ T3667]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.971438][ T3667]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.971440][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971442][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971446][ T3667]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.971448][ T3667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.971452][ T3667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.971456][ T3667]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.971460][ T3667]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.971462][ T3667]  ? 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))
[   67.971465][ T3667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.971467][ T3667]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.971471][ T3667]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.971476][ T3667]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.971477][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971483][ T3667]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.971486][ T3667]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.971488][ T3667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.971489][ T3667]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   67.971493][ T3667]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.971495][ T3667]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.971498][ T3667]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.971501][ T3667]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.971502][ T3667]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   67.971504][ T3667]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.971509][ T3667]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.971512][ T3667]  _printk (kernel/printk/printk.c:2504)
[   67.971516][ T3667]  ? snapshot_read.cold (user.c:?)
[   67.971523][ T3667]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   67.971528][ T3667]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   67.971532][ T3667]  br_device_event (net/bridge/br.c:111)
[   67.971534][ T3667]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   67.971537][ T3667]  ? packet_sendmsg_spkt (af_packet.c:?)
[   67.971543][ T3667]  notifier_call_chain (kernel/notifier.c:85)
[   67.971549][ T3667]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   67.971552][ T3667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.971555][ T3667]  ? __dev_close_many (net/core/dev.c:1804)
[   67.971561][ T3667]  netif_close_many_and_unlock (net/core/dev.c:12411)
[   67.971565][ T3667]  ? unregister_netdevice_many_notify (./include/linux/netdevice.h:2861 net/core/dev.c:12477)
[   67.971567][ T3667]  unregister_netdevice_many_notify (net/core/dev.c:12481)
[   67.971569][ T3667]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   67.971571][ T3667]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.971573][ T3667]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.971576][ T3667]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   67.971578][ T3667]  ? 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)
[   67.971579][ T3667]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   67.971581][ T3667]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   67.971584][ T3667]  ? unregister_netdevice_many (net/core/dev.c:12589)
[   67.971589][ T3667]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   67.971590][ T3667]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.971592][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971594][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971596][ T3667]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   67.971618][ T3667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.971620][ T3667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.971623][ T3667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.971625][ T3667]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   67.971627][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971632][ T3667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.971633][ T3667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.971636][ T3667]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   67.971637][ T3667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.971641][ T3667]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   67.971643][ T3667]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.971647][ T3667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.971648][ T3667]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.971652][ T3667]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.971654][ T3667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.971658][ T3667]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.971660][ T3667]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.971663][ T3667]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.971669][ T3667]  ? 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))
[   67.971671][ T3667]  ? 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))
[   67.971676][ T3667]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.971680][ T3667]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.971682][ T3667]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.971687][ T3667]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.971691][ T3667]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.971695][ T3667]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.971696][ T3667]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   67.971702][ T3667]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   67.971706][ T3667]  ____sys_sendmsg (net/socket.c:2713)
[   67.971708][ T3667]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.971710][ T3667]  ? sock_write_iter (net/socket.c:1269)
[   67.971712][ T3667]  ? move_addr_to_kernel (net/socket.c:258)
[   67.971720][ T3667]  ___sys_sendmsg (net/socket.c:2767)
[   67.971722][ T3667]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.971739][ T3667]  __sys_sendmsg (net/socket.c:2799)
[   67.971742][ T3667]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.971748][ T3667]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.971752][ T3667]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.971755][ T3667]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.971758][ T3667]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.971760][ T3667] RIP: 0033:0x7f219ef7954e
[   67.971762][ T3667] 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
[   67.971763][ T3667] RSP: 002b:00007ffcfd2e1ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.971766][ T3667] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f219ef7954e
[   67.971767][ T3667] RDX: 0000000000000000 RSI: 00007ffcfd2e1d90 RDI: 0000000000000005
[   67.971768][ T3667] RBP: 00007ffcfd2e1cf0 R08: 0000000000000000 R09: 0000000000000000
[   67.971769][ T3667] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91177e
[   67.971770][ T3667] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfd2e2450
| [   69.411433][ T3600] softirqs last disabled at (354420): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   69.411435][ T3600] Preemption disabled at:
| [   69.411436][ T3600] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.411444][ T3600] Tainted: [W]=WARN
[   69.411445][ T3600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.411447][ T3600] Call Trace:
[   69.411448][ T3600]  <TASK>
[   69.411450][ T3600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.411456][ T3600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.411457][ T3600]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.411461][ T3600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.411466][ T3600]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   69.411470][ T3600]  __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))
[   69.411472][ T3600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.411478][ T3600]  ? 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)
[   69.411481][ T3600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.411484][ T3600]  put_chars (drivers/char/virtio_console.c:1176)
[   69.411487][ T3600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.411490][ T3600]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   69.411495][ T3600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.411499][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411507][ T3600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.411510][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411516][ T3600]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.411520][ T3600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.411521][ T3600]  ? 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))
[   69.411525][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411526][ T3600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.411530][ T3600]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.411534][ T3600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.411536][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411541][ T3600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.411544][ T3600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.411546][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411548][ T3600]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   69.411551][ T3600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.411553][ T3600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.411556][ T3600]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.411559][ T3600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.411560][ T3600]  ? __kernel_text_address (kernel/extable.c:79)
[   69.411563][ T3600]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   69.411566][ T3600]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   69.411571][ T3600]  dev_vprintk_emit (drivers/base/core.c:5000)
[   69.411576][ T3600]  ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13))
[   69.411584][ T3600]  dev_printk_emit (drivers/base/core.c:5011)
[   69.411587][ T3600]  ? dev_vprintk_emit (drivers/base/core.c:5001)
[   69.411590][ T3600]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   69.411595][ T3600]  __netdev_printk (net/core/dev.c:13140 (discriminator 4))
[   69.411601][ T3600]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   69.411604][ T3600]  ? netdev_notice (net/core/dev.c:13194)
[   69.411607][ T3600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.411610][ T3600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.411612][ T3600]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   69.411616][ T3600]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.411618][ T3600]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   69.411620][ T3600]  ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   69.411624][ T3600]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   69.411626][ T3600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.411629][ T3600]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   69.411635][ T3600]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   69.411637][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411640][ T3600]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   69.411641][ T3600]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.411643][ T3600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   69.411645][ T3600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.411648][ T3600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   69.411653][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411655][ T3600]  ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2))
[   69.411656][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242)
[   69.411660][ T3600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.411662][ T3600]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   69.411664][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411666][ T3600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.411667][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411668][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411670][ T3600]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   69.411672][ T3600]  ? __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)
[   69.411675][ T3600]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.411677][ T3600]  ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586)
[   69.411678][ T3600]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.411681][ T3600]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   69.411682][ T3600]  ? nla_get_range_signed (lib/nlattr.c:270)
[   69.411686][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411689][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.411696][ T3600]  rtnl_setlink (net/core/rtnetlink.c:3596)
[   69.411699][ T3600]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   69.411701][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411723][ T3600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.411725][ T3600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.411727][ T3600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.411729][ T3600]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   69.411731][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411736][ T3600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.411737][ T3600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.411739][ T3600]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   69.411741][ T3600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.411745][ T3600]  ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1))
[   69.411747][ T3600]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.411750][ T3600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.411751][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411755][ T3600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   69.411757][ T3600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.411761][ T3600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.411764][ T3600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.411767][ T3600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.411773][ T3600]  ? 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))
[   69.411775][ T3600]  ? 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))
[   69.411779][ T3600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.411783][ T3600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.411787][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   69.411790][ T3600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.411794][ T3600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.411796][ T3600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   69.411798][ T3600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   69.411803][ T3600]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   69.411806][ T3600]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   69.411809][ T3600]  __sys_sendto (net/socket.c:2281)
[   69.411812][ T3600]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   69.411823][ T3600]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   69.411828][ T3600]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   69.411830][ T3600]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.411834][ T3600]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   69.411835][ T3600]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   69.411838][ T3600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.411840][ T3600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.411842][ T3600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.411845][ T3600] RIP: 0033:0x7f2b5219f54e
[   69.411848][ T3600] 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
[   69.411850][ T3600] RSP: 002b:00007ffdcd395dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   69.411853][ T3600] RAX: ffffffffffffffda RBX: 000055bb0ac83d40 RCX: 00007f2b5219f54e
[   69.411854][ T3600] RDX: 000000000000002c RSI: 000055bb0ac93370 RDI: 0000000000000022
[   69.411855][ T3600] RBP: 00007ffdcd395de0 R08: 00007ffdcd395e30 R09: 0000000000000080
[   69.411855][ T3600] R10: 0000000000000000 R11: 0000000000000202 R12: 000055bb0ac7e930
[   69.411856][ T3600] R13: 00007ffdcd395f14 R14: 0000000000000000 R15: 0000000000000000
| [   71.760792][ T3794] softirqs last disabled at (22254): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   71.760794][ T3794] Preemption disabled at:
| [   71.760795][ T3794] vprintk_emit (kernel/printk/printk.c:2471)
| [   71.760804][ T3794] Tainted: [W]=WARN
[   71.760804][ T3794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.760806][ T3794] Call Trace:
[   71.760808][ T3794]  <TASK>
[   71.760809][ T3794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.760815][ T3794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   71.760817][ T3794]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.760821][ T3794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.760825][ T3794]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   71.760830][ T3794]  __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))
[   71.760832][ T3794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.760839][ T3794]  ? 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)
[   71.760841][ T3794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.760845][ T3794]  put_chars (drivers/char/virtio_console.c:1176)
[   71.760848][ T3794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.760849][ T3794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.760853][ T3794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.760858][ T3794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.760866][ T3794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.760868][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.760870][ T3794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.760874][ T3794]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.760878][ T3794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.760880][ T3794]  ? 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))
[   71.760883][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.760885][ T3794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.760889][ T3794]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.760893][ T3794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.760895][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.760900][ T3794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.760903][ T3794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.760905][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.760907][ T3794]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   71.760910][ T3794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.760912][ T3794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.760915][ T3794]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.760918][ T3794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.760920][ T3794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.760923][ T3794]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   71.760926][ T3794]  _printk (kernel/printk/printk.c:2504)
[   71.760930][ T3794]  ? snapshot_read.cold (user.c:?)
[   71.760933][ T3794]  ? br_multicast_flood (??:?)
[   71.760937][ T3794]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   71.760938][ T3794]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.760940][ T3794]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.760944][ T3794]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   71.760950][ T3794]  br_init_port (net/bridge/br_stp_if.c:39)
[   71.760952][ T3794]  new_nbp (net/bridge/br_if.c:449)
[   71.760956][ T3794]  br_add_if (net/bridge/br_if.c:592)
[   71.760959][ T3794]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   71.760962][ T3794]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   71.760968][ T3794]  do_set_master (net/core/rtnetlink.c:3071)
[   71.760971][ T3794]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   71.760974][ T3794]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   71.760978][ T3794]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   71.760979][ T3794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.760982][ T3794]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.760985][ T3794]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   71.760988][ T3794]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.760990][ T3794]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   71.760992][ T3794]  ? kasan_save_stack (mm/kasan/common.c:58)
[   71.760995][ T3794]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.760996][ T3794]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.760997][ T3794]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.761000][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.761002][ T3794]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   71.761004][ T3794]  ? ___sys_sendmsg (net/socket.c:2758)
[   71.761008][ T3794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.761010][ T3794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.761013][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.761015][ T3794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.761016][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.761017][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.761019][ T3794]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   71.761021][ T3794]  ? __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)
[   71.761024][ T3794]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   71.761026][ T3794]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   71.761029][ T3794]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   71.761031][ T3794]  ? nla_get_range_signed (lib/nlattr.c:270)
[   71.761036][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.761038][ T3794]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   71.761043][ T3794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   71.761048][ T3794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.761050][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.761055][ T3794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.761057][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.761059][ T3794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.761061][ T3794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.761065][ T3794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   71.761067][ T3794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   71.761070][ T3794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.761071][ T3794]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   71.761075][ T3794]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   71.761077][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.761081][ T3794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   71.761084][ T3794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.761087][ T3794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.761093][ T3794]  ? 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))
[   71.761095][ T3794]  ? 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))
[   71.761100][ T3794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.761104][ T3794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.761106][ T3794]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.761112][ T3794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   71.761116][ T3794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   71.761120][ T3794]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   71.761122][ T3794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   71.761127][ T3794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   71.761130][ T3794]  ____sys_sendmsg (net/socket.c:2713)
[   71.761132][ T3794]  ? copy_msghdr_from_user (net/socket.c:2650)
[   71.761135][ T3794]  ? sock_write_iter (net/socket.c:1269)
[   71.761136][ T3794]  ? move_addr_to_kernel (net/socket.c:258)
[   71.761144][ T3794]  ___sys_sendmsg (net/socket.c:2767)
[   71.761146][ T3794]  ? copy_msghdr_from_user (net/socket.c:2619)
[   71.761162][ T3794]  __sys_sendmsg (net/socket.c:2799)
[   71.761165][ T3794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   71.761171][ T3794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.761174][ T3794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   71.761178][ T3794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   71.761181][ T3794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.761183][ T3794] RIP: 0033:0x7fbb7c7c254e
[   71.761186][ T3794] 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
[   71.761188][ T3794] RSP: 002b:00007fff2b7e5e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.761191][ T3794] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbb7c7c254e
[   71.761192][ T3794] RDX: 0000000000000000 RSI: 00007fff2b7e5f20 RDI: 0000000000000005
[   71.761193][ T3794] RBP: 00007fff2b7e5e80 R08: 0000000000000000 R09: 0000000000000000
[   71.761194][ T3794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911782
[   71.761194][ T3794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2b7e65f0
| [   74.464874][ T3600] softirqs last disabled at (400142): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   74.464877][ T3600] Preemption disabled at:
| [   74.464877][ T3600] 0x0
| [   74.464887][ T3600] Tainted: [W]=WARN
[   74.464888][ T3600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.464890][ T3600] Call Trace:
[   74.464892][ T3600]  <TASK>
[   74.464893][ T3600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.464900][ T3600]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.464904][ T3600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.464908][ T3600]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.464913][ T3600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.464914][ T3600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.464921][ T3600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.464924][ T3600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.464927][ T3600]  put_chars (drivers/char/virtio_console.c:1176)
[   74.464930][ T3600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.464931][ T3600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.464934][ T3600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.464940][ T3600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.464947][ T3600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.464950][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.464952][ T3600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.464956][ T3600]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.464959][ T3600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.464961][ T3600]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   74.464964][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.464966][ T3600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.464970][ T3600]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.464974][ T3600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.464976][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.464981][ T3600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.464984][ T3600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.464985][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.464987][ T3600]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.464991][ T3600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.464992][ T3600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.464995][ T3600]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.464998][ T3600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.465001][ T3600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.465004][ T3600]  _printk (kernel/printk/printk.c:2504)
[   74.465008][ T3600]  ? snapshot_read.cold (user.c:?)
[   74.465011][ T3600]  ? 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)
[   74.465013][ T3600]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.465017][ T3600]  ? 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)
[   74.465020][ T3600]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   74.465023][ T3600]  ? exit_notify (kernel/exit.c:780)
[   74.465025][ T3600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.465027][ T3600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.465031][ T3600]  do_group_exit (kernel/exit.c:1151)
[   74.465034][ T3600]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   74.465035][ T3600]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   74.465038][ T3600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.465042][ T3600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.465045][ T3600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.465047][ T3600] RIP: 0033:0x7f2b521f01b8
[   74.465049][ T3600] Code: Unable to access opcode bytes at 0x7f2b521f018e.

Code starting with the faulting instruction
===========================================
[   74.465050][ T3600] RSP: 002b:00007ffdcd396328 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7
[   74.465052][ T3600] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2b521f01b8
[   74.465054][ T3600] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000
[   74.465055][ T3600] RBP: 00007ffdcd3964b0 R08: 000055bb0acbfdd8 R09: 0000000000000000
[   74.465055][ T3600] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000
[   74.465056][ T3600] R13: 00007f2b51a4e050 R14: 00007f2b52721d9e R15: 000055bb0ab1f5c0
| [   77.358454][ T4085] softirqs last disabled at (33468): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   77.358458][ T4085] Preemption disabled at:
| [   77.358459][ T4085] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.358470][ T4085] Tainted: [W]=WARN
[   77.358471][ T4085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.358473][ T4085] Call Trace:
[   77.358475][ T4085]  <TASK>
[   77.358477][ T4085]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.358485][ T4085]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.358488][ T4085]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.358494][ T4085]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.358499][ T4085]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.358508][ T4085]  __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))
[   77.358512][ T4085]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.358521][ T4085]  ? 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)
[   77.358525][ T4085]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.358531][ T4085]  put_chars (drivers/char/virtio_console.c:1176)
[   77.358533][ T4085]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   77.358537][ T4085]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.358542][ T4085]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.358546][ T4085]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.358550][ T4085]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.358556][ T4085]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.358562][ T4085]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   77.358565][ T4085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.358567][ T4085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.358574][ T4085]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.358578][ T4085]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   77.358583][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358586][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.358593][ T4085]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.358599][ T4085]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.358602][ T4085]  ? 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))
[   77.358607][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358610][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.358616][ T4085]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.358624][ T4085]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.358626][ T4085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.358635][ T4085]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.358640][ T4085]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.358642][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358645][ T4085]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   77.358652][ T4085]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.358654][ T4085]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.358659][ T4085]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.358664][ T4085]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.358668][ T4085]  ? xdp_set_features_flag (./include/linux/netdevice.h:2861 net/core/xdp.c:1015)
[   77.358673][ T4085]  ? 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)
[   77.358679][ T4085]  _printk (kernel/printk/printk.c:2504)
[   77.358684][ T4085]  ? snapshot_read.cold (user.c:?)
[   77.358691][ T4085]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   77.358695][ T4085]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.358700][ T4085]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.358706][ T4085]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.358710][ T4085]  ? netdev_notice (net/core/dev.c:13194)
[   77.358718][ T4085]  ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835) bonding
[   77.358734][ T4085]  ? netdev_upper_dev_link (net/core/dev.c:9034)
[   77.358743][ T4085] bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7)) bonding
[   77.358765][ T4085]  ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) bonding
[   77.358775][ T4085]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   77.358782][ T4085]  ? notifier_call_chain (kernel/notifier.c:85)
[   77.358786][ T4085]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.358791][ T4085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.358802][ T4085]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   77.358804][ T4085]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   77.358814][ T4085]  do_set_master (net/core/rtnetlink.c:3071)
[   77.358820][ T4085]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   77.358826][ T4085]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.358831][ T4085]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.358833][ T4085]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.358836][ T4085]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.358841][ T4085]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.358844][ T4085]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.358847][ T4085]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.358851][ T4085]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.358854][ T4085]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.358856][ T4085]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.358858][ T4085]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.358862][ T4085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.358865][ T4085]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   77.358869][ T4085]  ? ___sys_sendmsg (net/socket.c:2758)
[   77.358876][ T4085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.358879][ T4085]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.358883][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358886][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.358888][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358890][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358893][ T4085]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.358897][ T4085]  ? __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)
[   77.358899][ T4085]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.358902][ T4085]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.358908][ T4085]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.358910][ T4085]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.358917][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.358921][ T4085]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.358931][ T4085]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.358940][ T4085]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.358943][ T4085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.358951][ T4085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.358954][ T4085]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.358957][ T4085]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.358960][ T4085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.358966][ T4085]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.358970][ T4085]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.358975][ T4085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.358977][ T4085]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.358985][ T4085]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.358988][ T4085]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.358994][ T4085]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.358998][ T4085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.359003][ T4085]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.359015][ T4085]  ? 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))
[   77.359018][ T4085]  ? 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))
[   77.359026][ T4085]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.359032][ T4085]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.359036][ T4085]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.359044][ T4085]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.359051][ T4085]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.359057][ T4085]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.359059][ T4085]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   77.359068][ T4085]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.359072][ T4085]  ____sys_sendmsg (net/socket.c:2713)
[   77.359076][ T4085]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.359080][ T4085]  ? sock_write_iter (net/socket.c:1269)
[   77.359082][ T4085]  ? move_addr_to_kernel (net/socket.c:258)
[   77.359096][ T4085]  ___sys_sendmsg (net/socket.c:2767)
[   77.359101][ T4085]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.359130][ T4085]  __sys_sendmsg (net/socket.c:2799)
[   77.359134][ T4085]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.359145][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.359151][ T4085]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.359155][ T4085]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.359159][ T4085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.359163][ T4085] RIP: 0033:0x7f38d322854e
[   77.359168][ T4085] 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
[   77.359170][ T4085] RSP: 002b:00007ffed26b11b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.359174][ T4085] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f38d322854e
[   77.359176][ T4085] RDX: 0000000000000000 RSI: 00007ffed26b1260 RDI: 0000000000000005
[   77.359178][ T4085] RBP: 00007ffed26b11c0 R08: 0000000000000000 R09: 0000000000000000
[   77.359179][ T4085] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a911787


Finger prints:
__might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__dev_queue_xmit:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars