======================================
| [   11.009282][  T190] softirqs last disabled at (35943): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.009284][  T190] Preemption disabled at:
| [   11.009285][  T190] 0x0
| [   11.009295][  T190] Tainted: [W]=WARN
[   11.009295][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.009297][  T190] Call Trace:
[   11.009299][  T190]  <TASK>
[   11.009300][  T190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.009306][  T190]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.009311][  T190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.009315][  T190]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.009320][  T190]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.009323][  T190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.009329][  T190]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.009331][  T190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.009334][  T190]  put_chars (drivers/char/virtio_console.c:1176)
[   11.009337][  T190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.009338][  T190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.009343][  T190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.009348][  T190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.009354][  T190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.009356][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.009359][  T190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.009363][  T190]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.009367][  T190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.009369][  T190]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.009372][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.009374][  T190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.009378][  T190]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.009382][  T190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.009384][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.009389][  T190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.009392][  T190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.009394][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.009396][  T190]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.009400][  T190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.009402][  T190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.009405][  T190]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.009409][  T190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.009412][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.009416][  T190]  _printk (kernel/printk/printk.c:2504)
[   11.009419][  T190]  ? snapshot_read.cold (user.c:?)
[   11.009422][  T190]  ? 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)
[   11.009425][  T190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.009429][  T190]  ? 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)
[   11.009431][  T190]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.009435][  T190]  ? exit_notify (kernel/exit.c:780)
[   11.009437][  T190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.009440][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.009444][  T190]  do_group_exit (kernel/exit.c:1151)
[   11.009447][  T190]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.009448][  T190]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.009451][  T190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.009454][  T190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.009457][  T190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.009459][  T190] RIP: 0033:0x7f07ed8ab1b8
[   11.009461][  T190] Code: Unable to access opcode bytes at 0x7f07ed8ab18e.

Code starting with the faulting instruction
===========================================
[   11.009462][  T190] RSP: 002b:00007ffdda2e91f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.009464][  T190] RAX: ffffffffffffffda RBX: 00007f07ed9dbf88 RCX: 00007f07ed8ab1b8
[   11.009466][  T190] RDX: 00007f07ed5f5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.009467][  T190] RBP: 00007ffdda2e9250 R08: 0000000000000000 R09: 0000000000008010
[   11.009468][  T190] R10: 00007ffdda2e9010 R11: 0000000000000246 R12: 0000000000000001
[   11.009468][  T190] R13: 0000000000000000 R14: 00007f07ed9da680 R15: 00007f07ed9dbfa0
| [   12.158348][  T244] softirqs last disabled at (20797): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.158352][  T244] Preemption disabled at:
| [   12.158353][  T244] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.158365][  T244] Tainted: [W]=WARN
[   12.158367][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.158369][  T244] Call Trace:
[   12.158374][  T244]  <TASK>
[   12.158377][  T244]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.158390][  T244]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.158396][  T244]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.158405][  T244]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.158413][  T244]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.158420][  T244]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.158424][  T244]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.158434][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.158443][  T244]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.158453][  T244]  put_chars (drivers/char/virtio_console.c:1176)
[   12.158458][  T244]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.158463][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.158472][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.158475][  T244]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.158482][  T244]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.158486][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.158500][  T244]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.158511][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.158521][  T244]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.158530][  T244]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.158533][  T244]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.158538][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.158541][  T244]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.158550][  T244]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.158562][  T244]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.158568][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.158580][  T244]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.158587][  T244]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.158590][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.158593][  T244]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.158598][  T244]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.158601][  T244]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.158610][  T244]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.158623][  T244]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.158635][  T244]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   12.158646][  T244]  _printk (kernel/printk/printk.c:2504)
[   12.158651][  T244]  ? snapshot_read.cold (user.c:?)
[   12.158661][  T244]  ? 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)
[   12.158666][  T244] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   12.158670][  T244]  do_one_initcall (init/main.c:1357)
[   12.158680][  T244]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.158693][  T244]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.158700][  T244]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.158710][  T244]  do_init_module (kernel/module/main.c:3117)
[   12.158719][  T244]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.158724][  T244]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.158728][  T244]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.158739][  T244]  load_module (kernel/module/main.c:3593)
[   12.158758][  T244]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.158769][  T244]  ? __ia32_sys_fsconfig (??:?)
[   12.158774][  T244]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.158779][  T244]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.158783][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.158791][  T244]  init_module_from_file (kernel/module/main.c:3790)
[   12.158801][  T244]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.158820][  T244]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.158831][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.158835][  T244]  idempotent_init_module (kernel/module/main.c:3802)
[   12.158841][  T244]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.158853][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.158862][  T244]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.158876][  T244]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.158881][  T244]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.158890][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.158893][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.158897][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.158900][  T244] RIP: 0033:0x7f6b261a337d
[   12.158905][  T244] 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
[   12.158910][  T244] RSP: 002b:00007ffd4b993968 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.158915][  T244] RAX: ffffffffffffffda RBX: 0000555d848c3810 RCX: 00007f6b261a337d
[   12.158920][  T244] RDX: 0000000000000000 RSI: 0000555d82666ffd RDI: 0000000000000000
[   12.158922][  T244] RBP: 00007ffd4b993a00 R08: 0000000000000000 R09: 0000000000000000
[   12.158924][  T244] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d82666ffd
[   12.158927][  T244] R13: 0000555d848c3960 R14: 0000000000040000 R15: 0000000000000000
| [   14.520919][  T374] softirqs last disabled at (13954): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.520922][  T374] Preemption disabled at:
| [   14.520923][  T374] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.520932][  T374] Tainted: [W]=WARN
[   14.520933][  T374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.520935][  T374] Call Trace:
[   14.520936][  T374]  <TASK>
[   14.520938][  T374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.520944][  T374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.520946][  T374]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.520951][  T374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.520955][  T374]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.520961][  T374]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.520963][  T374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.520969][  T374]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.520971][  T374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.520975][  T374]  put_chars (drivers/char/virtio_console.c:1176)
[   14.520977][  T374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.520982][  T374]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.520986][  T374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.520989][  T374]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.520991][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.520992][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.520996][  T374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.520998][  T374]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.521002][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521006][  T374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.521010][  T374]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.521014][  T374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.521018][  T374]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.521021][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521024][  T374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.521028][  T374]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.521032][  T374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.521034][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.521039][  T374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.521042][  T374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.521044][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521046][  T374]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.521050][  T374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.521052][  T374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.521056][  T374]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.521059][  T374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.521062][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.521064][  T374]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   14.521070][  T374]  _printk (kernel/printk/printk.c:2504)
[   14.521074][  T374]  ? snapshot_read.cold (user.c:?)
[   14.521078][  T374]  ? br_multicast_flood (??:?) bridge
[   14.521090][  T374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.521092][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.521093][  T374]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.521098][  T374] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.521108][  T374] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.521116][  T374] new_nbp (net/bridge/br_if.c:449) bridge
[   14.521126][  T374] br_add_if (net/bridge/br_if.c:592) bridge
[   14.521133][  T374]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.521137][  T374]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.521140][  T374]  ? __kernel_text_address (kernel/extable.c:79)
[   14.521144][  T374]  do_set_master (net/core/rtnetlink.c:3071)
[   14.521148][  T374]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.521152][  T374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.521155][  T374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.521156][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.521159][  T374]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.521162][  T374]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.521165][  T374]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.521167][  T374]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.521170][  T374]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.521173][  T374]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.521174][  T374]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.521177][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.521179][  T374]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.521182][  T374]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.521187][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.521189][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.521191][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521194][  T374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.521195][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521197][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521199][  T374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.521203][  T374]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.521212][  T374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.521214][  T374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.521218][  T374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.521219][  T374]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.521224][  T374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.521230][  T374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.521235][  T374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.521237][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.521241][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.521243][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.521246][  T374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.521247][  T374]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.521251][  T374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.521253][  T374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.521256][  T374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.521258][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.521262][  T374]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.521264][  T374]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.521268][  T374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.521269][  T374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.521272][  T374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.521279][  T374]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.521280][  T374]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.521284][  T374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.521288][  T374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.521291][  T374]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.521295][  T374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.521299][  T374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.521303][  T374]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.521308][  T374]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.521310][  T374]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.521313][  T374]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.521314][  T374]  ? move_addr_to_kernel (net/socket.c:258)
[   14.521322][  T374]  ___sys_sendmsg (net/socket.c:2767)
[   14.521325][  T374]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.521341][  T374]  __sys_sendmsg (net/socket.c:2799)
[   14.521344][  T374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.521350][  T374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.521354][  T374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.521356][  T374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.521359][  T374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.521362][  T374] RIP: 0033:0x7f9f740cb54e
[   14.521365][  T374] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.521367][  T374] RSP: 002b:00007ffe088d25c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.521370][  T374] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9f740cb54e
[   14.521371][  T374] RDX: 0000000000000000 RSI: 00007ffe088d2670 RDI: 0000000000000005
[   14.521372][  T374] RBP: 00007ffe088d25d0 R08: 0000000000000000 R09: 0000000000000000
[   14.521373][  T374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d412
[   14.521374][  T374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe088d2d30
| [   15.685627][  T467] softirqs last disabled at (19464): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.685630][  T467] Preemption disabled at:
| [   15.685630][  T467] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.685639][  T467] Tainted: [W]=WARN
[   15.685640][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.685642][  T467] Call Trace:
[   15.685644][  T467]  <TASK>
[   15.685645][  T467]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.685653][  T467]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.685656][  T467]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.685661][  T467]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.685665][  T467]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.685670][  T467]  __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))
[   15.685673][  T467]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.685679][  T467]  ? 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)
[   15.685681][  T467]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.685684][  T467]  put_chars (drivers/char/virtio_console.c:1176)
[   15.685686][  T467]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.685688][  T467]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.685691][  T467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.685696][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.685698][  T467]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.685702][  T467]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.685705][  T467]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.685707][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.685709][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.685712][  T467]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.685714][  T467]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.685718][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.685720][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.685724][  T467]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.685728][  T467]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.685730][  T467]  ? 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))
[   15.685733][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.685735][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.685739][  T467]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.685743][  T467]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.685745][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.685750][  T467]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.685753][  T467]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.685755][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.685758][  T467]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.685761][  T467]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.685763][  T467]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.685767][  T467]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.685771][  T467]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.685773][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.685778][  T467]  _printk (kernel/printk/printk.c:2504)
[   15.685782][  T467]  ? snapshot_read.cold (user.c:?)
[   15.685786][  T467]  ? br_multicast_flood (??:?) bridge
[   15.685799][  T467]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.685801][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.685802][  T467]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.685807][  T467] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.685818][  T467] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.685827][  T467] new_nbp (net/bridge/br_if.c:449) bridge
[   15.685836][  T467] br_add_if (net/bridge/br_if.c:592) bridge
[   15.685844][  T467]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.685848][  T467]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.685851][  T467]  ? __kernel_text_address (kernel/extable.c:79)
[   15.685855][  T467]  do_set_master (net/core/rtnetlink.c:3071)
[   15.685860][  T467]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.685863][  T467]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.685866][  T467]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.685867][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.685869][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.685873][  T467]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.685876][  T467]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.685877][  T467]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.685880][  T467]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.685883][  T467]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.685885][  T467]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.685887][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.685889][  T467]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.685892][  T467]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.685897][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.685899][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.685902][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.685904][  T467]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.685906][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.685908][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.685910][  T467]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.685914][  T467]  ? __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)
[   15.685917][  T467]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.685919][  T467]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.685923][  T467]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.685924][  T467]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.685929][  T467]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.685935][  T467]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.685940][  T467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.685942][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.685946][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.685948][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.685950][  T467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.685952][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.685956][  T467]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.685958][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.685961][  T467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.685962][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.685967][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.685969][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.685972][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.685974][  T467]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.685977][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.685983][  T467]  ? 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))
[   15.685985][  T467]  ? 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))
[   15.685989][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.685993][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.685996][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.686000][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.686003][  T467]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.686007][  T467]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.686013][  T467]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.686017][  T467]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.686020][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.686021][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   15.686029][  T467]  ___sys_sendmsg (net/socket.c:2767)
[   15.686031][  T467]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.686047][  T467]  __sys_sendmsg (net/socket.c:2799)
[   15.686050][  T467]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.686056][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.686060][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.686063][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.686066][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.686068][  T467] RIP: 0033:0x7fd0f9a6254e
[   15.686072][  T467] 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
[   15.686073][  T467] RSP: 002b:00007ffc57abb6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.686076][  T467] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd0f9a6254e
[   15.686078][  T467] RDX: 0000000000000000 RSI: 00007ffc57abb770 RDI: 0000000000000005
[   15.686079][  T467] RBP: 00007ffc57abb6d0 R08: 0000000000000000 R09: 0000000000000000
[   15.686080][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d414
[   15.686081][  T467] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc57abbe30
| [   30.089112][    C0] softirqs last disabled at (4788107): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   30.089116][    C0] Preemption disabled at:
| [   30.089117][    C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   30.089127][    C0] Tainted: [W]=WARN
[   30.089127][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.089129][    C0] Call Trace:
[   30.089131][    C0]  <IRQ>
[   30.089132][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.089138][    C0]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   30.089139][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.089143][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.089146][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.089149][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089153][    C0]  __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))
[   30.089156][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.089158][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.089162][    C0]  ? 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)
[   30.089163][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.089166][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   30.089168][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.089169][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.089172][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.089176][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.089177][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089179][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.089181][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.089183][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.089185][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089187][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089189][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.089190][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.089192][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.089195][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.089197][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.089199][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.089200][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.089202][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089204][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.089205][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.089207][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.089209][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.089211][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.089213][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.089215][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089216][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.089218][    C0]  _printk (kernel/printk/printk.c:2504)
[   30.089221][    C0]  ? snapshot_read.cold (user.c:?)
[   30.089223][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   30.089227][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.089229][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   30.089231][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   30.089233][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.089236][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.089238][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.089239][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.089242][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.089243][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.089256][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089258][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.089260][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.089266][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.089268][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.089274][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.089281][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.089288][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   30.089291][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.089293][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.089296][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.089298][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.089300][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.089302][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.089303][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.089310][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.089312][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.089314][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.089317][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.089319][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.089321][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.089322][    C0]  handle_softirqs (kernel/softirq.c:645)
[   30.089324][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.089326][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.089328][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.089329][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   30.089331][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.089333][    C0]  </IRQ>
[   30.089334][    C0]  <TASK>
[   30.089335][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.089337][    C0] RIP: 0010:memchr_inv (lib/string.c:857)
[   30.089340][    C0] Code: b8 01 01 01 01 01 01 01 01 49 ba 00 00 00 00 00 fc ff df 48 0f af f0 49 83 e1 f8 49 01 c9 48 89 c8 48 c1 e8 03 42 80 3c 10 00 <0f> 85 f5 00 00 00 48 39 31 75 54 48 83 c1 08 4c 39 c9 75 e0 83 e2
All code
========
   0:	b8 01 01 01 01       	mov    $0x1010101,%eax
   5:	01 01                	add    %eax,(%rcx)
   7:	01 01                	add    %eax,(%rcx)
   9:	49 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%r10
  10:	fc ff df 
  13:	48 0f af f0          	imul   %rax,%rsi
  17:	49 83 e1 f8          	and    $0xfffffffffffffff8,%r9
  1b:	49 01 c9             	add    %rcx,%r9
  1e:	48 89 c8             	mov    %rcx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 80 3c 10 00       	cmpb   $0x0,(%rax,%r10,1)
  2a:*	0f 85 f5 00 00 00    	jne    0x125		<-- trapping instruction
  30:	48 39 31             	cmp    %rsi,(%rcx)
  33:	75 54                	jne    0x89
  35:	48 83 c1 08          	add    $0x8,%rcx
  39:	4c 39 c9             	cmp    %r9,%rcx
  3c:	75 e0                	jne    0x1e
  3e:	83                   	.byte 0x83
  3f:	e2                   	.byte 0xe2

Code starting with the faulting instruction
===========================================
   0:	0f 85 f5 00 00 00    	jne    0xfb
   6:	48 39 31             	cmp    %rsi,(%rcx)
   9:	75 54                	jne    0x5f
   b:	48 83 c1 08          	add    $0x8,%rcx
   f:	4c 39 c9             	cmp    %r9,%rcx
  12:	75 e0                	jne    0xfffffffffffffff4
  14:	83                   	.byte 0x83
  15:	e2                   	.byte 0xe2
[   30.089348][    C0] RSP: 0018:ffa00000006a7850 EFLAGS: 00000282
[   30.089351][    C0] RAX: 1fe2200001ea0eef RBX: 000000000000006b RCX: ff1100000f507778
[   30.089353][    C0] RDX: 00000000000000d7 RSI: 6b6b6b6b6b6b6b6b RDI: 00000000ffffffff
[   30.089354][    C0] RBP: 00000000000000d7 R08: 000000000000006b R09: ff1100000f5077e0
[   30.089354][    C0] R10: dffffc0000000000 R11: 0000000000000001 R12: ff1100000f507700
[   30.089355][    C0] R13: ff1100000f507710 R14: ff11000001993cc0 R15: ffd40000003d4180
[   30.089358][    C0]  check_bytes_and_report (mm/slub.c:1343 (discriminator 1))
[   30.089360][    C0]  check_object (mm/slub.c:1539)
[   30.089362][    C0]  free_slab (mm/slub.c:3556)
[   30.089364][    C0]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   30.089366][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   30.089367][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   30.089370][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   30.089372][    C0]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.089374][    C0]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.089376][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   30.089377][    C0]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   30.089379][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.089380][    C0]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   30.089383][    C0]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   30.089385][    C0]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   30.089387][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.089389][    C0]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   30.089391][    C0]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   30.089396][    C0]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   30.089398][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.089401][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.089403][    C0]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   30.089406][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.089408][    C0]  ? sock_ioctl (net/socket.c:1446)
[   30.089412][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.089413][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.089415][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.089418][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.089419][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.089420][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.089422][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   30.089423][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.089425][    C0] RIP: 0033:0x7f9ef8f0b54e
[   30.089427][    C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.089428][    C0] RSP: 002b:00007ffdedd80e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.089430][    C0] RAX: ffffffffffffffda RBX: 000055ad6992e5e2 RCX: 00007f9ef8f0b54e
[   30.089431][    C0] RDX: 0000000000001f6a RSI: 000055ad6992e5e2 RDI: 0000000000000005
[   30.089432][    C0] RBP: 00007ffdedd80e40 R08: 00007ffdedd80e90 R09: 0000000000000014
[   30.089433][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ad6992b830
[   30.089433][    C0] R13: 0000000000001f6a R14: 0000000000000005 R15: 000055ad6992b830
| [   30.161249][    C0]
| [   30.161326][    C0]
| [   30.161326][    C0] stack backtrace:
| [   30.161585][    C0] Tainted: [W]=WARN
[   30.161586][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.161588][    C0] Call Trace:
[   30.161589][    C0]  <IRQ>
[   30.161590][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.161595][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   30.161597][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.161600][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.161602][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.161604][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.161606][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.161608][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.161615][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.161618][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.161620][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.161626][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.161628][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.161634][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.161640][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.161646][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   30.161649][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.161652][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.161656][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.161658][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.161660][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.161662][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.161663][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.161670][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.161672][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.161675][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.161677][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.161679][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.161681][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.161683][    C0]  handle_softirqs (kernel/softirq.c:645)
[   30.161685][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.161687][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.161689][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.161690][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   30.161691][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.161693][    C0]  </IRQ>
[   30.161694][    C0]  <TASK>
[   30.161695][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.161696][    C0] RIP: 0010:memchr_inv (lib/string.c:857)
[   30.161699][    C0] Code: b8 01 01 01 01 01 01 01 01 49 ba 00 00 00 00 00 fc ff df 48 0f af f0 49 83 e1 f8 49 01 c9 48 89 c8 48 c1 e8 03 42 80 3c 10 00 <0f> 85 f5 00 00 00 48 39 31 75 54 48 83 c1 08 4c 39 c9 75 e0 83 e2
All code
========
   0:	b8 01 01 01 01       	mov    $0x1010101,%eax
   5:	01 01                	add    %eax,(%rcx)
   7:	01 01                	add    %eax,(%rcx)
   9:	49 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%r10
  10:	fc ff df 
  13:	48 0f af f0          	imul   %rax,%rsi
  17:	49 83 e1 f8          	and    $0xfffffffffffffff8,%r9
  1b:	49 01 c9             	add    %rcx,%r9
  1e:	48 89 c8             	mov    %rcx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 80 3c 10 00       	cmpb   $0x0,(%rax,%r10,1)
  2a:*	0f 85 f5 00 00 00    	jne    0x125		<-- trapping instruction
  30:	48 39 31             	cmp    %rsi,(%rcx)
  33:	75 54                	jne    0x89
  35:	48 83 c1 08          	add    $0x8,%rcx
  39:	4c 39 c9             	cmp    %r9,%rcx
  3c:	75 e0                	jne    0x1e
  3e:	83                   	.byte 0x83
  3f:	e2                   	.byte 0xe2

Code starting with the faulting instruction
===========================================
   0:	0f 85 f5 00 00 00    	jne    0xfb
   6:	48 39 31             	cmp    %rsi,(%rcx)
   9:	75 54                	jne    0x5f
   b:	48 83 c1 08          	add    $0x8,%rcx
   f:	4c 39 c9             	cmp    %r9,%rcx
  12:	75 e0                	jne    0xfffffffffffffff4
  14:	83                   	.byte 0x83
  15:	e2                   	.byte 0xe2
[   30.161700][    C0] RSP: 0018:ffa00000006a7850 EFLAGS: 00000282
[   30.161703][    C0] RAX: 1fe2200001ea0eef RBX: 000000000000006b RCX: ff1100000f507778
[   30.161704][    C0] RDX: 00000000000000d7 RSI: 6b6b6b6b6b6b6b6b RDI: 00000000ffffffff
[   30.161705][    C0] RBP: 00000000000000d7 R08: 000000000000006b R09: ff1100000f5077e0
[   30.161706][    C0] R10: dffffc0000000000 R11: 0000000000000001 R12: ff1100000f507700
[   30.161707][    C0] R13: ff1100000f507710 R14: ff11000001993cc0 R15: ffd40000003d4180
[   30.161709][    C0]  check_bytes_and_report (mm/slub.c:1343 (discriminator 1))
[   30.161711][    C0]  check_object (mm/slub.c:1539)
[   30.161713][    C0]  free_slab (mm/slub.c:3556)
[   30.161715][    C0]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   30.161717][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   30.161718][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   30.161720][    C0]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   30.161722][    C0]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.161724][    C0]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.161726][    C0]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   30.161727][    C0]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   30.161729][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.161731][    C0]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   30.161734][    C0]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   30.161735][    C0]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   30.161737][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.161739][    C0]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   30.161741][    C0]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   30.161744][    C0]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   30.161747][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.161750][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.161752][    C0]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   30.161754][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.161756][    C0]  ? sock_ioctl (net/socket.c:1446)
[   30.161759][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.161761][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.161762][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.161765][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.161766][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.161767][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.161769][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   30.161770][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.161771][    C0] RIP: 0033:0x7f9ef8f0b54e
[   30.161774][    C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.161775][    C0] RSP: 002b:00007ffdedd80e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.161777][    C0] RAX: ffffffffffffffda RBX: 000055ad6992e5e2 RCX: 00007f9ef8f0b54e
[   30.161778][    C0] RDX: 0000000000001f6a RSI: 000055ad6992e5e2 RDI: 0000000000000005
[   30.161778][    C0] RBP: 00007ffdedd80e40 R08: 00007ffdedd80e90 R09: 0000000000000014
[   30.161779][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ad6992b830
[   30.161780][    C0] R13: 0000000000001f6a R14: 0000000000000005 R15: 000055ad6992b830
| [  393.874915][ T1973] softirqs last disabled at (0): 0x0
| [  393.874917][ T1973] Preemption disabled at:
| [  393.874918][ T1973] 0x0
| [  393.874927][ T1973] Tainted: [W]=WARN
[  393.874928][ T1973] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  393.874930][ T1973] Call Trace:
[  393.874931][ T1973]  <TASK>
[  393.874933][ T1973]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  393.874938][ T1973]  __might_resched.cold (kernel/sched/core.c:9234)
[  393.874942][ T1973]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  393.874946][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.874950][ T1973]  __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))
[  393.874953][ T1973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  393.874956][ T1973]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  393.874960][ T1973]  ? 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)
[  393.874962][ T1973]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  393.874964][ T1973]  put_chars (drivers/char/virtio_console.c:1176)
[  393.874966][ T1973]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  393.874967][ T1973]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  393.874971][ T1973]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  393.874974][ T1973]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  393.874976][ T1973]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  393.874978][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.874980][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.874982][ T1973]  console_emit_next_record (kernel/printk/printk.c:3183)
[  393.874984][ T1973]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  393.874986][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.874988][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.874990][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.874992][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.874993][ T1973]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  393.874995][ T1973]  console_flush_one_record (kernel/printk/printk.c:3268)
[  393.874998][ T1973]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  393.875000][ T1973]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  393.875002][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.875004][ T1973]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  393.875005][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875007][ T1973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  393.875008][ T1973]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  393.875010][ T1973]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  393.875012][ T1973]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  393.875014][ T1973]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  393.875019][ T1973]  vprintk_emit (kernel/printk/printk.c:2479)
[  393.875021][ T1973]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  393.875023][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875025][ T1973]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  393.875028][ T1973]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  393.875029][ T1973]  _printk (kernel/printk/printk.c:2504)
[  393.875033][ T1973]  ? snapshot_read.cold (user.c:?)
[  393.875035][ T1973]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  393.875040][ T1973] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  393.875053][ T1973] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  393.875061][ T1973] br_device_event (net/bridge/br.c:111) bridge
[  393.875071][ T1973]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  393.875074][ T1973]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  393.875077][ T1973]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  393.875080][ T1973]  notifier_call_chain (kernel/notifier.c:85)
[  393.875083][ T1973]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  393.875087][ T1973]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  393.875088][ T1973]  ? netif_change_name (net/core/dev.c:1517)
[  393.875091][ T1973]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  393.875093][ T1973]  ? __kernel_text_address (kernel/extable.c:79)
[  393.875095][ T1973]  ? write_profile (profile.c:?)
[  393.875097][ T1973]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  393.875100][ T1973]  netif_change_flags (net/core/dev.c:9882)
[  393.875102][ T1973]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  393.875105][ T1973]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  393.875107][ T1973]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  393.875108][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875109][ T1973]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  393.875113][ T1973]  ? kasan_save_stack (mm/kasan/common.c:58)
[  393.875116][ T1973]  ? kasan_save_stack (mm/kasan/common.c:57)
[  393.875118][ T1973]  ? kasan_save_track (mm/kasan/common.c:78)
[  393.875119][ T1973]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  393.875121][ T1973]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  393.875122][ T1973]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  393.875124][ T1973]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  393.875125][ T1973]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  393.875128][ T1973]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  393.875129][ T1973]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  393.875130][ T1973]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  393.875133][ T1973]  ? ___sys_sendmsg (net/socket.c:2767)
[  393.875134][ T1973]  ? __sys_sendmsg (net/socket.c:2799)
[  393.875136][ T1973]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  393.875138][ T1973]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  393.875141][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875143][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.875144][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875146][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875147][ T1973]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  393.875151][ T1973]  ? __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)
[  393.875152][ T1973]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  393.875154][ T1973]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  393.875155][ T1973]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  393.875157][ T1973]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  393.875159][ T1973]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  393.875161][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875163][ T1973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  393.875164][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.875166][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875168][ T1973]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  393.875171][ T1973]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  393.875173][ T1973]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  393.875174][ T1973]  ? __kernel_text_address (kernel/extable.c:79)
[  393.875176][ T1973]  ? write_profile (profile.c:?)
[  393.875177][ T1973]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  393.875178][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875180][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875182][ T1973]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  393.875185][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.875187][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875188][ T1973]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  393.875190][ T1973]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  393.875191][ T1973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  393.875193][ T1973]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  393.875194][ T1973]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  393.875197][ T1973]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  393.875198][ T1973]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  393.875199][ T1973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  393.875201][ T1973]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  393.875202][ T1973]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  393.875205][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875207][ T1973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  393.875209][ T1973]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  393.875211][ T1973]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  393.875212][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875214][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875216][ T1973]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  393.875218][ T1973]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  393.875220][ T1973]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  393.875221][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875223][ T1973]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  393.875225][ T1973]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  393.875227][ T1973]  ? copy_msghdr_from_user (net/socket.c:2650)
[  393.875229][ T1973]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  393.875230][ T1973]  ? move_addr_to_kernel (net/socket.c:258)
[  393.875232][ T1973]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  393.875234][ T1973]  ___sys_sendmsg (net/socket.c:2767)
[  393.875236][ T1973]  ? copy_msghdr_from_user (net/socket.c:2619)
[  393.875241][ T1973]  __sys_sendmsg (net/socket.c:2799)
[  393.875243][ T1973]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  393.875246][ T1973]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  393.875248][ T1973]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  393.875249][ T1973]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  393.875251][ T1973]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  393.875253][ T1973] RIP: 0033:0x7f0cad75454e
[  393.875255][ T1973] 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
[  393.875257][ T1973] RSP: 002b:00007ffc1cd29d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  393.875260][ T1973] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0cad75454e
[  393.875262][ T1973] RDX: 0000000000000000 RSI: 00007ffc1cd29e10 RDI: 0000000000000005
[  393.875263][ T1973] RBP: 00007ffc1cd29d70 R08: 0000000000000000 R09: 0000000000000000
[  393.875264][ T1973] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90d58e


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars