======================================
| [   10.331561][  T187] softirqs last disabled at (39665): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.331564][  T187] Preemption disabled at:
| [   10.331565][  T187] 0x0
| [   10.331579][  T187] Tainted: [W]=WARN
[   10.331580][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.331582][  T187] Call Trace:
[   10.331584][  T187]  <TASK>
[   10.331587][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.331595][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.331601][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.331607][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.331615][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.331618][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.331627][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.331631][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.331636][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.331640][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.331643][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.331649][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.331658][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.331669][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.331673][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.331676][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.331683][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.331690][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.331692][  T187]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.331697][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.331701][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.331708][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.331715][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.331718][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.331727][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.331731][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.331734][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.331737][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.331744][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.331746][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.331755][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.331761][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.331767][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.331774][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.331779][  T187]  ? snapshot_read.cold (user.c:?)
[   10.331784][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.331788][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.331794][  T187]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.331799][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.331804][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.331807][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.331811][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.331818][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.331823][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.331825][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.331829][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.331833][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.331837][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.331841][  T187] RIP: 0033:0x7f989d1291b8
[   10.331844][  T187] Code: Unable to access opcode bytes at 0x7f989d12918e.

Code starting with the faulting instruction
===========================================
[   10.331846][  T187] RSP: 002b:00007ffc339e9df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.331849][  T187] RAX: ffffffffffffffda RBX: 00007f989d259f88 RCX: 00007f989d1291b8
[   10.331851][  T187] RDX: 00007f989ce73fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.331853][  T187] RBP: 00007ffc339e9e50 R08: 0000000000000000 R09: 0000000000008010
[   10.331854][  T187] R10: 00007ffc339e9c10 R11: 0000000000000246 R12: 0000000000000001
[   10.331856][  T187] R13: 0000000000000000 R14: 00007f989d258680 R15: 00007f989d259fa0
| [   11.802305][  T239] softirqs last disabled at (22557): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.802308][  T239] Preemption disabled at:
| [   11.802308][  T239] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.802317][  T239] Tainted: [W]=WARN
[   11.802318][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.802320][  T239] Call Trace:
[   11.802321][  T239]  <TASK>
[   11.802323][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.802328][  T239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.802330][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.802335][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.802339][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.802344][  T239]  __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))
[   11.802346][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.802352][  T239]  ? 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)
[   11.802354][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.802357][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   11.802360][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.802361][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.802366][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.802368][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.802373][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.802375][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.802380][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.802383][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802388][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.802391][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.802393][  T239]  ? 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))
[   11.802396][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802399][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.802402][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.802407][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.802408][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.802413][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.802416][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.802418][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802420][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.802424][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.802425][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.802429][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.802433][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.802438][  T239]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.802442][  T239]  _printk (kernel/printk/printk.c:2504)
[   11.802446][  T239]  ? snapshot_read.cold (user.c:?)
[   11.802452][  T239]  ? 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)
[   11.802455][  T239] 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
[   11.802458][  T239]  do_one_initcall (init/main.c:1357)
[   11.802461][  T239]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.802465][  T239]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.802468][  T239]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.802473][  T239]  do_init_module (kernel/module/main.c:3117)
[   11.802476][  T239]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.802481][  T239]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.802484][  T239]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.802488][  T239]  load_module (kernel/module/main.c:3593)
[   11.802495][  T239]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.802499][  T239]  ? __ia32_sys_fsconfig (??:?)
[   11.802502][  T239]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.802506][  T239]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.802509][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.802512][  T239]  init_module_from_file (kernel/module/main.c:3790)
[   11.802515][  T239]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.802523][  T239]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.802527][  T239]  ? 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)
[   11.802530][  T239]  idempotent_init_module (kernel/module/main.c:3802)
[   11.802533][  T239]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.802539][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.802542][  T239]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.802548][  T239]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.802550][  T239]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.802553][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.802555][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.802558][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.802560][  T239] RIP: 0033:0x7f94e4bff37d
[   11.802564][  T239] 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
[   11.802566][  T239] RSP: 002b:00007ffe27ba42b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.802569][  T239] RAX: ffffffffffffffda RBX: 000055e9e6ab1810 RCX: 00007f94e4bff37d
[   11.802570][  T239] RDX: 0000000000000000 RSI: 000055e9b2d70ffd RDI: 0000000000000000
[   11.802571][  T239] RBP: 00007ffe27ba4350 R08: 0000000000000000 R09: 0000000000000000
[   11.802572][  T239] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e9b2d70ffd
[   11.802572][  T239] R13: 000055e9e6ab1960 R14: 0000000000040000 R15: 0000000000000000
| [   13.254812][  T289] softirqs last disabled at (19496): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.254814][  T289] Preemption disabled at:
| [   13.254815][  T289] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.254825][  T289] Tainted: [W]=WARN
[   13.254826][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.254827][  T289] Call Trace:
[   13.254829][  T289]  <TASK>
[   13.254831][  T289]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.254836][  T289]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.254839][  T289]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.254844][  T289]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.254848][  T289]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.254853][  T289]  __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))
[   13.254856][  T289]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.254862][  T289]  ? 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)
[   13.254865][  T289]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.254868][  T289]  put_chars (drivers/char/virtio_console.c:1176)
[   13.254871][  T289]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.254876][  T289]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.254880][  T289]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.254882][  T289]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.254884][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.254886][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.254890][  T289]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.254893][  T289]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.254896][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.254900][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.254905][  T289]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.254908][  T289]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.254910][  T289]  ? 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))
[   13.254913][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.254916][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.254920][  T289]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.254924][  T289]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.254926][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.254932][  T289]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.254935][  T289]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.254937][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.254939][  T289]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.254943][  T289]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.254945][  T289]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.254948][  T289]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.254952][  T289]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.254954][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.254956][  T289]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.254961][  T289]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.254964][  T289]  _printk (kernel/printk/printk.c:2504)
[   13.254967][  T289]  ? snapshot_read.cold (user.c:?)
[   13.254971][  T289]  ? br_multicast_flood (??:?) bridge
[   13.254984][  T289]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.254986][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.254987][  T289]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.254992][  T289] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.255002][  T289] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.255011][  T289] new_nbp (net/bridge/br_if.c:449) bridge
[   13.255027][  T289] br_add_if (net/bridge/br_if.c:592) bridge
[   13.255035][  T289]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.255039][  T289]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.255042][  T289]  ? __kernel_text_address (kernel/extable.c:79)
[   13.255046][  T289]  do_set_master (net/core/rtnetlink.c:3071)
[   13.255051][  T289]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.255054][  T289]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.255057][  T289]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.255059][  T289]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.255061][  T289]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.255065][  T289]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.255068][  T289]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.255069][  T289]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.255072][  T289]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.255075][  T289]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.255077][  T289]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.255079][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.255081][  T289]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.255084][  T289]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.255089][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.255091][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.255093][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.255096][  T289]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.255097][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.255099][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.255101][  T289]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.255105][  T289]  ? __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)
[   13.255107][  T289]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.255109][  T289]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.255114][  T289]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.255116][  T289]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.255121][  T289]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.255126][  T289]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.255132][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.255134][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.255139][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.255141][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.255142][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.255144][  T289]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.255148][  T289]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.255150][  T289]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.255154][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.255155][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.255159][  T289]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.255161][  T289]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.255165][  T289]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.255167][  T289]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.255170][  T289]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.255176][  T289]  ? 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))
[   13.255178][  T289]  ? 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))
[   13.255182][  T289]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.255186][  T289]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.255189][  T289]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.255193][  T289]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.255197][  T289]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.255201][  T289]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.255206][  T289]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.255208][  T289]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.255210][  T289]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.255212][  T289]  ? move_addr_to_kernel (net/socket.c:258)
[   13.255220][  T289]  ___sys_sendmsg (net/socket.c:2767)
[   13.255223][  T289]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.255240][  T289]  __sys_sendmsg (net/socket.c:2799)
[   13.255243][  T289]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.255250][  T289]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.255254][  T289]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.255256][  T289]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.255259][  T289]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.255261][  T289] RIP: 0033:0x7fb0fa8c154e
[   13.255265][  T289] 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
[   13.255267][  T289] RSP: 002b:00007fffc87da210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.255270][  T289] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb0fa8c154e
[   13.255271][  T289] RDX: 0000000000000000 RSI: 00007fffc87da2c0 RDI: 0000000000000005
[   13.255272][  T289] RBP: 00007fffc87da220 R08: 0000000000000000 R09: 0000000000000000
[   13.255273][  T289] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b1c
[   13.255274][  T289] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc87da980
| [   15.176217][  T352] softirqs last disabled at (19542): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.176221][  T352] Preemption disabled at:
| [   15.176222][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.176235][  T352] Tainted: [W]=WARN
[   15.176236][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.176238][  T352] Call Trace:
[   15.176240][  T352]  <TASK>
[   15.176243][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.176250][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.176253][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.176259][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.176265][  T352]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.176272][  T352]  __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))
[   15.176276][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.176284][  T352]  ? 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)
[   15.176287][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.176292][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   15.176295][  T352]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.176298][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.176303][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.176309][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.176312][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.176318][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.176322][  T352]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.176324][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176327][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176333][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.176336][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.176341][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176345][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.176351][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.176357][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.176360][  T352]  ? 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))
[   15.176365][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176368][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.176375][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.176381][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.176384][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176393][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.176397][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.176399][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176403][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.176409][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.176411][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.176417][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.176423][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.176427][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.176431][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.176436][  T352]  _printk (kernel/printk/printk.c:2504)
[   15.176441][  T352]  ? snapshot_read.cold (user.c:?)
[   15.176448][  T352]  ? br_multicast_flood (??:?) bridge
[   15.176466][  T352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.176469][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.176471][  T352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.176479][  T352] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.176496][  T352] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.176510][  T352] new_nbp (net/bridge/br_if.c:449) bridge
[   15.176526][  T352] br_add_if (net/bridge/br_if.c:592) bridge
[   15.176538][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.176544][  T352]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.176548][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   15.176555][  T352]  do_set_master (net/core/rtnetlink.c:3071)
[   15.176562][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.176568][  T352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.176572][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.176574][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.176577][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.176582][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.176585][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.176588][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.176592][  T352]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.176596][  T352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.176598][  T352]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.176603][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176605][  T352]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.176609][  T352]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.176616][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.176619][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.176623][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176627][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.176629][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176632][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176635][  T352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.176640][  T352]  ? __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)
[   15.176644][  T352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.176648][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.176654][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.176656][  T352]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.176665][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.176674][  T352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.176683][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.176686][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176694][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.176697][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.176700][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.176703][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.176709][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.176713][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.176718][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.176720][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176728][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.176731][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.176737][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.176739][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.176744][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.176757][  T352]  ? 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))
[   15.176760][  T352]  ? 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))
[   15.176767][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.176774][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.176778][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.176785][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.176791][  T352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.176798][  T352]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.176806][  T352]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.176809][  T352]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.176813][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.176815][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   15.176828][  T352]  ___sys_sendmsg (net/socket.c:2767)
[   15.176832][  T352]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.176861][  T352]  __sys_sendmsg (net/socket.c:2799)
[   15.176865][  T352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.176876][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.176882][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.176885][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.176890][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.176894][  T352] RIP: 0033:0x7f70117b354e
[   15.176898][  T352] 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
[   15.176901][  T352] RSP: 002b:00007fff5db2d520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.176905][  T352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f70117b354e
[   15.176907][  T352] RDX: 0000000000000000 RSI: 00007fff5db2d5d0 RDI: 0000000000000005
[   15.176909][  T352] RBP: 00007fff5db2d530 R08: 0000000000000000 R09: 0000000000000000
[   15.176910][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b1e
[   15.176911][  T352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5db2dc90
| [   16.877376][  T408] softirqs last disabled at (13474): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.877379][  T408] Preemption disabled at:
| [   16.877379][  T408] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.877389][  T408] Tainted: [W]=WARN
[   16.877390][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.877392][  T408] Call Trace:
[   16.877394][  T408]  <TASK>
[   16.877396][  T408]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.877403][  T408]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.877405][  T408]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.877410][  T408]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.877414][  T408]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.877419][  T408]  __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))
[   16.877421][  T408]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.877427][  T408]  ? 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)
[   16.877429][  T408]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.877433][  T408]  put_chars (drivers/char/virtio_console.c:1176)
[   16.877435][  T408]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.877437][  T408]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.877440][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.877444][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.877446][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.877450][  T408]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.877453][  T408]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.877455][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877456][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877460][  T408]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.877462][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.877465][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877467][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.877471][  T408]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.877475][  T408]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.877477][  T408]  ? 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))
[   16.877480][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877482][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.877486][  T408]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.877490][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.877492][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877501][  T408]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.877504][  T408]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.877506][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877508][  T408]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.877512][  T408]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.877513][  T408]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.877517][  T408]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.877521][  T408]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.877523][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.877526][  T408]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.877529][  T408]  _printk (kernel/printk/printk.c:2504)
[   16.877533][  T408]  ? snapshot_read.cold (user.c:?)
[   16.877537][  T408]  ? br_multicast_flood (??:?) bridge
[   16.877550][  T408]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.877552][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.877553][  T408]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.877557][  T408] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.877568][  T408] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.877577][  T408] new_nbp (net/bridge/br_if.c:449) bridge
[   16.877589][  T408] br_add_if (net/bridge/br_if.c:592) bridge
[   16.877597][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.877602][  T408]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.877605][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   16.877608][  T408]  do_set_master (net/core/rtnetlink.c:3071)
[   16.877613][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.877616][  T408]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.877619][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.877620][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.877622][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.877625][  T408]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.877628][  T408]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.877630][  T408]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.877632][  T408]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.877636][  T408]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.877637][  T408]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.877640][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877642][  T408]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.877645][  T408]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.877649][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.877651][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.877653][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877656][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.877657][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877659][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877661][  T408]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.877665][  T408]  ? __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)
[   16.877668][  T408]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.877670][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.877673][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.877675][  T408]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.877679][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.877684][  T408]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.877689][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.877691][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877696][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.877697][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.877701][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.877704][  T408]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.877708][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.877710][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.877713][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.877715][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877719][  T408]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.877721][  T408]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.877724][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.877726][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.877729][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.877735][  T408]  ? 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))
[   16.877736][  T408]  ? 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))
[   16.877740][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.877744][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.877746][  T408]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.877752][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.877756][  T408]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.877760][  T408]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.877765][  T408]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.877767][  T408]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.877770][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.877771][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   16.877778][  T408]  ___sys_sendmsg (net/socket.c:2767)
[   16.877781][  T408]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.877796][  T408]  __sys_sendmsg (net/socket.c:2799)
[   16.877799][  T408]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.877805][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.877809][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.877811][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.877814][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.877816][  T408] RIP: 0033:0x7ff46d60654e
[   16.877820][  T408] 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
[   16.877822][  T408] RSP: 002b:00007ffd5c2e33e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.877825][  T408] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff46d60654e
[   16.877826][  T408] RDX: 0000000000000000 RSI: 00007ffd5c2e3490 RDI: 0000000000000005
[   16.877827][  T408] RBP: 00007ffd5c2e33f0 R08: 0000000000000000 R09: 0000000000000000
[   16.877828][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b20
[   16.877829][  T408] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5c2e3b50
| [   25.964485][  T519] softirqs last disabled at (22985): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   25.964487][  T519] Preemption disabled at:
| [   25.964488][  T519] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.964497][  T519] Tainted: [W]=WARN
[   25.964498][  T519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.964500][  T519] Call Trace:
[   25.964501][  T519]  <TASK>
[   25.964503][  T519]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.964508][  T519]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.964510][  T519]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.964515][  T519]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.964518][  T519]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.964523][  T519]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.964526][  T519]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.964531][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.964534][  T519]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.964537][  T519]  put_chars (drivers/char/virtio_console.c:1176)
[   25.964538][  T519]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.964540][  T519]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.964543][  T519]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.964547][  T519]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.964551][  T519]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.964553][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.964555][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.964559][  T519]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.964560][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.964563][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.964567][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.964570][  T519]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.964574][  T519]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.964576][  T519]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.964579][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.964581][  T519]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.964585][  T519]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.964589][  T519]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.964590][  T519]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.964595][  T519]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.964598][  T519]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.964600][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.964602][  T519]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.964606][  T519]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.964607][  T519]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.964610][  T519]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.964615][  T519]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.964621][  T519]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   25.964624][  T519]  _printk (kernel/printk/printk.c:2504)
[   25.964627][  T519]  ? snapshot_read.cold (user.c:?)
[   25.964633][  T519]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   25.964636][  T519] gact_init_module (net/sched/act_gact.c:180) act_gact
[   25.964639][  T519]  do_one_initcall (init/main.c:1357)
[   25.964641][  T519]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   25.964646][  T519]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   25.964649][  T519]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   25.964653][  T519]  do_init_module (kernel/module/main.c:3117)
[   25.964657][  T519]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.964661][  T519]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   25.964664][  T519]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   25.964668][  T519]  load_module (kernel/module/main.c:3593)
[   25.964675][  T519]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   25.964678][  T519]  ? __ia32_sys_fsconfig (??:?)
[   25.964681][  T519]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   25.964685][  T519]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.964686][  T519]  ? backing_file_read_iter (fs/backing-file.c:211)
[   25.964689][  T519]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.964693][  T519]  init_module_from_file (kernel/module/main.c:3790)
[   25.964696][  T519]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   25.964704][  T519]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.964707][  T519]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.964710][  T519]  idempotent_init_module (kernel/module/main.c:3802)
[   25.964714][  T519]  ? init_module_from_file (kernel/module/main.c:3791)
[   25.964720][  T519]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.964722][  T519]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   25.964728][  T519]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   25.964730][  T519]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.964733][  T519]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.964735][  T519]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.964738][  T519]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.964740][  T519] RIP: 0033:0x7f4b614fc37d
[   25.964743][  T519] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.964745][  T519] RSP: 002b:00007ffee6f1ea88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   25.964748][  T519] RAX: ffffffffffffffda RBX: 000055f4f2a0b810 RCX: 00007f4b614fc37d
[   25.964753][  T519] RDX: 0000000000000000 RSI: 000055f4e5658ffd RDI: 0000000000000000
[   25.964754][  T519] RBP: 00007ffee6f1eb20 R08: 0000000000000000 R09: 0000000000000000
[   25.964754][  T519] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4e5658ffd
[   25.964755][  T519] R13: 000055f4f2a0b960 R14: 0000000000040000 R15: 0000000000000000
| [   28.521898][    C0] softirqs last disabled at (1081255): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.521900][    C0] Preemption disabled at:
| [   28.521901][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.521911][    C0] Tainted: [W]=WARN
[   28.521912][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.521914][    C0] Call Trace:
[   28.521915][    C0]  <IRQ>
[   28.521917][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.521923][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.521924][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.521928][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.521931][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.521934][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.521938][    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))
[   28.521941][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.521944][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.521948][    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)
[   28.521949][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.521952][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.521954][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.521955][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.521959][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.521962][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.521963][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.521965][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.521967][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.521969][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.521972][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.521973][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.521975][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.521977][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.521978][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.521981][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.521983][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.521985][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.521987][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.521988][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.521990][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.521991][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.521993][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.521995][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.521997][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.521999][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.522001][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.522002][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.522004][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.522009][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.522012][    C0]  ? snapshot_read.cold (user.c:?)
[   28.522013][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.522017][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.522020][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.522021][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.522023][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.522031][    C0]  ? _raw_write_unlock_irqrestore (??:?)
[   28.522034][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.522036][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.522038][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.522040][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.522042][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.522054][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.522056][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.522057][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.522064][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.522066][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.522071][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.522077][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.522083][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.522087][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.522089][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.522092][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.522094][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.522096][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.522098][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.522100][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.522106][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.522108][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.522111][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.522113][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.522115][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.522116][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.522119][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.522120][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.522122][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.522124][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.522126][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.522127][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.522129][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.522132][    C0]  </IRQ>
[   28.522132][    C0]  <TASK>
[   28.522133][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.522135][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.522138][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.522140][    C0] RSP: 0018:ffffffffaa007cf8 EFLAGS: 00000296
[   28.522143][    C0] RAX: 0000000000107fa5 RBX: ffffffffaa01c600 RCX: ffffffffa70f0307
[   28.522144][    C0] RDX: ffffffffaa01c600 RSI: ffffffffa9e38b01 RDI: ffffffffa988d8e0
[   28.522145][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.522146][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5400fa2
[   28.522147][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.522148][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.522151][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.522153][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.522154][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.522156][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.522158][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.522159][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.522161][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.522162][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.522164][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.522166][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.522167][    C0]  rest_init (init/main.c:727)
[   28.522169][    C0]  ? __cpuidle_text_end (??:?)
[   28.522172][    C0]  ? rest_init (init/main.c:727)
[   28.522174][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.522178][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.522180][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.522183][    C0]  start_kernel (init/main.c:1185)
[   28.522185][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.522187][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.522188][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.578460][    C0]
| [   28.578531][    C0]
| [   28.578531][    C0] stack backtrace:
| [   28.578714][    C0] Tainted: [W]=WARN
[   28.578715][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.578716][    C0] Call Trace:
[   28.578718][    C0]  <IRQ>
[   28.578719][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.578723][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.578726][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.578727][    C0]  ? _raw_write_unlock_irqrestore (??:?)
[   28.578731][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.578732][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.578734][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.578736][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.578738][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.578744][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.578748][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.578750][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.578756][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.578757][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.578763][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.578769][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.578776][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.578778][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.578780][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.578783][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.578785][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.578787][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.578789][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.578790][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.578797][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.578799][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.578801][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.578804][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.578806][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.578807][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.578809][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.578811][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.578813][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.578815][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.578817][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.578818][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.578819][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.578821][    C0]  </IRQ>
[   28.578822][    C0]  <TASK>
[   28.578823][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.578824][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.578826][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.578829][    C0] RSP: 0018:ffffffffaa007cf8 EFLAGS: 00000296
[   28.578831][    C0] RAX: 0000000000107fa5 RBX: ffffffffaa01c600 RCX: ffffffffa70f0307
[   28.578832][    C0] RDX: ffffffffaa01c600 RSI: ffffffffa9e38b01 RDI: ffffffffa988d8e0
[   28.578833][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.578834][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5400fa2
[   28.578835][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.578836][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.578838][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.578840][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.578842][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.578843][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.578845][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.578846][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.578849][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.578850][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.578852][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.578853][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.578855][    C0]  rest_init (init/main.c:727)
[   28.578857][    C0]  ? __cpuidle_text_end (??:?)
[   28.578859][    C0]  ? rest_init (init/main.c:727)
[   28.578861][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.578865][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.578867][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.578870][    C0]  start_kernel (init/main.c:1185)
[   28.578871][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.578873][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.578875][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  122.318329][ T1338] softirqs last disabled at (0): 0x0
| [  122.318330][ T1338] Preemption disabled at:
| [  122.318331][ T1338] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  122.318341][ T1338] Tainted: [W]=WARN
[  122.318342][ T1338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.318344][ T1338] Call Trace:
[  122.318345][ T1338]  <TASK>
[  122.318346][ T1338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.318353][ T1338]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  122.318354][ T1338]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.318358][ T1338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.318361][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318365][ T1338]  __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))
[  122.318369][ T1338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.318371][ T1338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.318375][ T1338]  ? 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)
[  122.318377][ T1338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.318378][ T1338]  put_chars (drivers/char/virtio_console.c:1176)
[  122.318380][ T1338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.318382][ T1338]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.318385][ T1338]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  122.318387][ T1338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.318390][ T1338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.318392][ T1338]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.318393][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318395][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318396][ T1338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.318399][ T1338]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.318401][ T1338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.318403][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318404][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318406][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318408][ T1338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.318409][ T1338]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.318411][ T1338]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.318413][ T1338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.318416][ T1338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.318418][ T1338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.318419][ T1338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.318421][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318422][ T1338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.318424][ T1338]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.318425][ T1338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.318427][ T1338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.318429][ T1338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.318431][ T1338]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.318433][ T1338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.318436][ T1338]  _printk (kernel/printk/printk.c:2504)
[  122.318439][ T1338]  ? snapshot_read.cold (user.c:?)
[  122.318441][ T1338]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.318443][ T1338]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.318445][ T1338]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.318447][ T1338]  ? netdev_notice (net/core/dev.c:13194)
[  122.318448][ T1338]  ? kasan_save_track (mm/kasan/common.c:78)
[  122.318452][ T1338]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  122.318454][ T1338]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  122.318455][ T1338]  ? 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)
[  122.318458][ T1338]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  122.318461][ T1338]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  122.318465][ T1338]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  122.318467][ T1338]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  122.318470][ T1338]  ? __nla_parse (lib/nlattr.c:732)
[  122.318472][ T1338]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  122.318474][ T1338]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.318476][ T1338]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  122.318477][ T1338]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  122.318478][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318480][ T1338]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.318483][ T1338]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  122.318486][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318488][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318490][ T1338]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.318493][ T1338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.318495][ T1338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  122.318497][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.318498][ T1338]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.318501][ T1338]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.318504][ T1338]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.318506][ T1338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.318508][ T1338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.318509][ T1338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.318510][ T1338]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.318513][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318515][ T1338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.318517][ T1338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.318518][ T1338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.318520][ T1338]  ? next_uptodate_folio (mm/filemap.c:3747)
[  122.318523][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318525][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318526][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318528][ T1338]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.318530][ T1338]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.318532][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318534][ T1338]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.318535][ T1338]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.318538][ T1338]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.318540][ T1338]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.318541][ T1338]  ? move_addr_to_kernel (net/socket.c:258)
[  122.318543][ T1338]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  122.318546][ T1338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.318548][ T1338]  ___sys_sendmsg (net/socket.c:2767)
[  122.318549][ T1338]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  122.318552][ T1338]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.318553][ T1338]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  122.318558][ T1338]  __sys_sendmsg (net/socket.c:2799)
[  122.318560][ T1338]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.318563][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318564][ T1338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.318566][ T1338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.318569][ T1338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.318571][ T1338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.318572][ T1338] RIP: 0033:0x7fb4da08a54e
[  122.318574][ T1338] 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
[  122.318576][ T1338] RSP: 002b:00007ffe0b018c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.318580][ T1338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4da08a54e
[  122.318581][ T1338] RDX: 0000000000000000 RSI: 00007ffe0b018d10 RDI: 0000000000000005
[  122.318582][ T1338] RBP: 00007ffe0b018c70 R08: 0000000000000000 R09: 0000000000000000
[  122.318583][ T1338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b8a
[  122.318584][ T1338] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  137.606424][ T2265] softirqs last disabled at (0): 0x0
| [  137.606426][ T2265] Preemption disabled at:
| [  137.606426][ T2265] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  137.606437][ T2265] Tainted: [W]=WARN
[  137.606438][ T2265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.606439][ T2265] Call Trace:
[  137.606441][ T2265]  <TASK>
[  137.606442][ T2265]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.606448][ T2265]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  137.606449][ T2265]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.606453][ T2265]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.606457][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606461][ T2265]  __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))
[  137.606464][ T2265]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  137.606467][ T2265]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.606470][ T2265]  ? 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)
[  137.606472][ T2265]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.606474][ T2265]  put_chars (drivers/char/virtio_console.c:1176)
[  137.606476][ T2265]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.606478][ T2265]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  137.606481][ T2265]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.606485][ T2265]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.606486][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606488][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606489][ T2265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.606492][ T2265]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.606494][ T2265]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.606496][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606498][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606499][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606501][ T2265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.606503][ T2265]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  137.606504][ T2265]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.606507][ T2265]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.606509][ T2265]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.606511][ T2265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.606512][ T2265]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.606514][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606516][ T2265]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.606517][ T2265]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  137.606518][ T2265]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  137.606520][ T2265]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.606522][ T2265]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.606524][ T2265]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.606527][ T2265]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.606528][ T2265]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  137.606531][ T2265]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  137.606533][ T2265]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  137.606535][ T2265]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  137.606536][ T2265]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.606539][ T2265]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.606540][ T2265]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.606541][ T2265]  _printk (kernel/printk/printk.c:2504)
[  137.606545][ T2265]  ? snapshot_read.cold (user.c:?)
[  137.606547][ T2265]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  137.606550][ T2265]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  137.606552][ T2265]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  137.606553][ T2265]  ? netdev_notice (net/core/dev.c:13194)
[  137.606555][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606557][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606559][ T2265]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  137.606561][ T2265]  ? 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)
[  137.606563][ T2265]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  137.606564][ T2265]  ? 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)
[  137.606567][ T2265]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  137.606570][ T2265]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  137.606573][ T2265]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  137.606575][ T2265]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  137.606576][ T2265]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.606578][ T2265]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  137.606579][ T2265]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  137.606580][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606582][ T2265]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  137.606585][ T2265]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  137.606587][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606589][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606590][ T2265]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  137.606594][ T2265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.606596][ T2265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  137.606598][ T2265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.606599][ T2265]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  137.606602][ T2265]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  137.606606][ T2265]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.606607][ T2265]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.606608][ T2265]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.606610][ T2265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  137.606611][ T2265]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  137.606614][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606615][ T2265]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.606617][ T2265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.606619][ T2265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  137.606620][ T2265]  ? next_uptodate_folio (mm/filemap.c:3747)
[  137.606623][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606625][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606627][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606629][ T2265]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.606631][ T2265]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  137.606632][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606634][ T2265]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.606636][ T2265]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  137.606639][ T2265]  ? copy_msghdr_from_user (net/socket.c:2650)
[  137.606640][ T2265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  137.606642][ T2265]  ? move_addr_to_kernel (net/socket.c:258)
[  137.606644][ T2265]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  137.606647][ T2265]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.606649][ T2265]  ___sys_sendmsg (net/socket.c:2767)
[  137.606650][ T2265]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  137.606653][ T2265]  ? copy_msghdr_from_user (net/socket.c:2619)
[  137.606654][ T2265]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  137.606659][ T2265]  __sys_sendmsg (net/socket.c:2799)
[  137.606661][ T2265]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  137.606663][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606665][ T2265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.606667][ T2265]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.606670][ T2265]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  137.606672][ T2265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.606674][ T2265] RIP: 0033:0x7ff9a689d54e
[  137.606676][ T2265] 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
[  137.606678][ T2265] RSP: 002b:00007ffe1c2ab350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  137.606682][ T2265] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9a689d54e
[  137.606683][ T2265] RDX: 0000000000000000 RSI: 00007ffe1c2ab400 RDI: 0000000000000005
[  137.606684][ T2265] RBP: 00007ffe1c2ab360 R08: 0000000000000000 R09: 0000000000000000
[  137.606685][ T2265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b9a
[  137.606686][ T2265] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  152.565938][ T3198] softirqs last disabled at (0): 0x0
| [  152.565940][ T3198] Preemption disabled at:
| [  152.565941][ T3198] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  152.565952][ T3198] Tainted: [W]=WARN
[  152.565953][ T3198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.565955][ T3198] Call Trace:
[  152.565956][ T3198]  <TASK>
[  152.565957][ T3198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.565963][ T3198]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  152.565965][ T3198]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.565969][ T3198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.565972][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.565976][ T3198]  __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))
[  152.565980][ T3198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  152.565983][ T3198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.565986][ T3198]  ? 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)
[  152.565988][ T3198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.565989][ T3198]  put_chars (drivers/char/virtio_console.c:1176)
[  152.565991][ T3198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.565993][ T3198]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  152.565996][ T3198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.566000][ T3198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.566001][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566003][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566004][ T3198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.566006][ T3198]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.566009][ T3198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.566011][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566012][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566014][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566016][ T3198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.566017][ T3198]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  152.566019][ T3198]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.566021][ T3198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.566024][ T3198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.566026][ T3198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.566027][ T3198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.566029][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566030][ T3198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.566032][ T3198]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  152.566033][ T3198]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  152.566035][ T3198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.566037][ T3198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.566039][ T3198]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.566041][ T3198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.566043][ T3198]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  152.566045][ T3198]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  152.566047][ T3198]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  152.566049][ T3198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  152.566050][ T3198]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.566052][ T3198]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.566054][ T3198]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.566055][ T3198]  _printk (kernel/printk/printk.c:2504)
[  152.566058][ T3198]  ? snapshot_read.cold (user.c:?)
[  152.566060][ T3198]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  152.566063][ T3198]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  152.566065][ T3198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  152.566066][ T3198]  ? netdev_notice (net/core/dev.c:13194)
[  152.566068][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566070][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566072][ T3198]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  152.566074][ T3198]  ? 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)
[  152.566075][ T3198]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  152.566077][ T3198]  ? 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)
[  152.566079][ T3198]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  152.566082][ T3198]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  152.566085][ T3198]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  152.566087][ T3198]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  152.566088][ T3198]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.566090][ T3198]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  152.566091][ T3198]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  152.566092][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566094][ T3198]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  152.566096][ T3198]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  152.566099][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566100][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566102][ T3198]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  152.566106][ T3198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.566107][ T3198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  152.566109][ T3198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.566110][ T3198]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  152.566113][ T3198]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  152.566117][ T3198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  152.566119][ T3198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  152.566126][ T3198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.566127][ T3198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  152.566129][ T3198]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  152.566131][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566133][ T3198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.566135][ T3198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  152.566137][ T3198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  152.566138][ T3198]  ? next_uptodate_folio (mm/filemap.c:3747)
[  152.566141][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566143][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566144][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566146][ T3198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  152.566148][ T3198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  152.566150][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566152][ T3198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  152.566154][ T3198]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  152.566156][ T3198]  ? copy_msghdr_from_user (net/socket.c:2650)
[  152.566158][ T3198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  152.566159][ T3198]  ? move_addr_to_kernel (net/socket.c:258)
[  152.566161][ T3198]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  152.566164][ T3198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.566166][ T3198]  ___sys_sendmsg (net/socket.c:2767)
[  152.566167][ T3198]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  152.566170][ T3198]  ? copy_msghdr_from_user (net/socket.c:2619)
[  152.566171][ T3198]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  152.566176][ T3198]  __sys_sendmsg (net/socket.c:2799)
[  152.566178][ T3198]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  152.566180][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566182][ T3198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.566184][ T3198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  152.566187][ T3198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  152.566189][ T3198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  152.566190][ T3198] RIP: 0033:0x7f0c7a3b954e
[  152.566192][ T3198] 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
[  152.566195][ T3198] RSP: 002b:00007ffd56d4ef80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  152.566198][ T3198] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c7a3b954e
[  152.566200][ T3198] RDX: 0000000000000000 RSI: 00007ffd56d4f030 RDI: 0000000000000005
[  152.566201][ T3198] RBP: 00007ffd56d4ef90 R08: 0000000000000000 R09: 0000000000000000
[  152.566201][ T3198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ba9
[  152.566202][ T3198] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  157.921811][ T3222] softirqs last disabled at (0): 0x0
| [  157.921813][ T3222] Preemption disabled at:
| [  157.921813][ T3222] vprintk_emit (kernel/printk/printk.c:2471)
| [  157.921824][ T3222] Tainted: [W]=WARN
[  157.921825][ T3222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.921827][ T3222] Call Trace:
[  157.921829][ T3222]  <TASK>
[  157.921830][ T3222]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.921835][ T3222]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  157.921837][ T3222]  __might_resched.cold (kernel/sched/core.c:9234)
[  157.921841][ T3222]  ? __module_address (kernel/module/main.c:3915)
[  157.921844][ T3222]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  157.921847][ T3222]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  157.921849][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921852][ T3222]  __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))
[  157.921856][ T3222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  157.921858][ T3222]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.921862][ T3222]  ? 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)
[  157.921863][ T3222]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.921865][ T3222]  put_chars (drivers/char/virtio_console.c:1176)
[  157.921867][ T3222]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  157.921869][ T3222]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  157.921870][ T3222]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  157.921873][ T3222]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  157.921876][ T3222]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  157.921877][ T3222]  ? 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)
[  157.921879][ T3222]  ? vsnprintf (lib/vsprintf.c:2900)
[  157.921882][ T3222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  157.921884][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921885][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.921887][ T3222]  console_emit_next_record (kernel/printk/printk.c:3183)
[  157.921890][ T3222]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  157.921892][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921893][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921895][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921897][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.921899][ T3222]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  157.921900][ T3222]  console_flush_one_record (kernel/printk/printk.c:3268)
[  157.921903][ T3222]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  157.921906][ T3222]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  157.921907][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.921909][ T3222]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  157.921910][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921912][ T3222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.921913][ T3222]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  157.921915][ T3222]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  157.921917][ T3222]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  157.921919][ T3222]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  157.921920][ T3222]  vprintk_emit (kernel/printk/printk.c:2479)
[  157.921923][ T3222]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  157.921925][ T3222]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  157.921926][ T3222]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  157.921928][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.921930][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.921932][ T3222]  _printk (kernel/printk/printk.c:2504)
[  157.921935][ T3222]  ? snapshot_read.cold (user.c:?)
[  157.921937][ T3222]  ? br_multicast_flood (??:?) bridge
[  157.921950][ T3222]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  157.921953][ T3222]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.921954][ T3222]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.921956][ T3222] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  157.921964][ T3222] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  157.921972][ T3222] new_nbp (net/bridge/br_if.c:449) bridge
[  157.921981][ T3222] br_add_if (net/bridge/br_if.c:592) bridge
[  157.921988][ T3222]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  157.921991][ T3222]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  157.921993][ T3222]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  157.921996][ T3222]  ? __kernel_text_address (kernel/extable.c:79)
[  157.921998][ T3222]  do_set_master (net/core/rtnetlink.c:3071)
[  157.922000][ T3222]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  157.922002][ T3222]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  157.922003][ T3222]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  157.922004][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922006][ T3222]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  157.922010][ T3222]  ? kasan_save_stack (mm/kasan/common.c:58)
[  157.922013][ T3222]  ? kasan_save_stack (mm/kasan/common.c:57)
[  157.922014][ T3222]  ? kasan_save_track (mm/kasan/common.c:78)
[  157.922016][ T3222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  157.922017][ T3222]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  157.922019][ T3222]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  157.922020][ T3222]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.922021][ T3222]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.922024][ T3222]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.922025][ T3222]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.922026][ T3222]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  157.922029][ T3222]  ? ___sys_sendmsg (net/socket.c:2767)
[  157.922030][ T3222]  ? __sys_sendmsg (net/socket.c:2799)
[  157.922032][ T3222]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.922034][ T3222]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.922036][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922038][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.922039][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922041][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922042][ T3222]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  157.922045][ T3222]  ? __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)
[  157.922047][ T3222]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  157.922049][ T3222]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.922050][ T3222]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  157.922051][ T3222]  ? nla_get_range_signed (lib/nlattr.c:270)
[  157.922054][ T3222]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  157.922056][ T3222]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.922057][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922059][ T3222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.922060][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.922062][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922064][ T3222]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  157.922065][ T3222]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  157.922067][ T3222]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  157.922068][ T3222]  ? __kernel_text_address (kernel/extable.c:79)
[  157.922069][ T3222]  ? write_profile (profile.c:?)
[  157.922071][ T3222]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  157.922073][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922075][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922076][ T3222]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  157.922080][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.922081][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922083][ T3222]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.922084][ T3222]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.922086][ T3222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.922087][ T3222]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  157.922088][ T3222]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  157.922091][ T3222]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.922092][ T3222]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.922093][ T3222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.922095][ T3222]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  157.922096][ T3222]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  157.922099][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922100][ T3222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.922102][ T3222]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.922104][ T3222]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  157.922106][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922107][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922109][ T3222]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.922111][ T3222]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.922112][ T3222]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  157.922114][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922116][ T3222]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  157.922118][ T3222]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  157.922119][ T3222]  ? copy_msghdr_from_user (net/socket.c:2650)
[  157.922121][ T3222]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  157.922122][ T3222]  ? move_addr_to_kernel (net/socket.c:258)
[  157.922124][ T3222]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  157.922130][ T3222]  ___sys_sendmsg (net/socket.c:2767)
[  157.922132][ T3222]  ? copy_msghdr_from_user (net/socket.c:2619)
[  157.922137][ T3222]  __sys_sendmsg (net/socket.c:2799)
[  157.922139][ T3222]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  157.922141][ T3222]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.922143][ T3222]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.922145][ T3222]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  157.922147][ T3222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.922148][ T3222] RIP: 0033:0x7f9971ee054e
[  157.922150][ T3222] 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
[  157.922152][ T3222] RSP: 002b:00007ffc680566c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  157.922156][ T3222] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9971ee054e
[  157.922157][ T3222] RDX: 0000000000000000 RSI: 00007ffc68056770 RDI: 0000000000000005
[  157.922158][ T3222] RBP: 00007ffc680566d0 R08: 0000000000000000 R09: 0000000000000000
[  157.922159][ T3222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915bad
[  157.922160][ T3222] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc68056e30
| [  262.115222][ T4068] softirqs last disabled at (0): 0x0
| [  262.115223][ T4068] Preemption disabled at:
| [  262.115224][ T4068] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  262.115235][ T4068] Tainted: [W]=WARN
[  262.115236][ T4068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  262.115238][ T4068] Call Trace:
[  262.115239][ T4068]  <TASK>
[  262.115240][ T4068]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  262.115246][ T4068]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  262.115247][ T4068]  __might_resched.cold (kernel/sched/core.c:9234)
[  262.115251][ T4068]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  262.115255][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115258][ T4068]  __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))
[  262.115262][ T4068]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  262.115265][ T4068]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.115268][ T4068]  ? 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)
[  262.115270][ T4068]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  262.115272][ T4068]  put_chars (drivers/char/virtio_console.c:1176)
[  262.115274][ T4068]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  262.115275][ T4068]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  262.115278][ T4068]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  262.115280][ T4068]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  262.115284][ T4068]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  262.115285][ T4068]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  262.115286][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115288][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115290][ T4068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.115292][ T4068]  console_emit_next_record (kernel/printk/printk.c:3183)
[  262.115294][ T4068]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  262.115296][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115298][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115299][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115301][ T4068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.115303][ T4068]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  262.115304][ T4068]  console_flush_one_record (kernel/printk/printk.c:3268)
[  262.115306][ T4068]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  262.115309][ T4068]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  262.115311][ T4068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.115312][ T4068]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  262.115314][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115315][ T4068]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.115317][ T4068]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  262.115318][ T4068]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  262.115320][ T4068]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  262.115322][ T4068]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  262.115324][ T4068]  vprintk_emit (kernel/printk/printk.c:2479)
[  262.115326][ T4068]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  262.115329][ T4068]  _printk (kernel/printk/printk.c:2504)
[  262.115332][ T4068]  ? snapshot_read.cold (user.c:?)
[  262.115334][ T4068]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  262.115337][ T4068]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  262.115339][ T4068]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  262.115340][ T4068]  ? netdev_notice (net/core/dev.c:13194)
[  262.115342][ T4068]  ? kasan_save_track (mm/kasan/common.c:78)
[  262.115345][ T4068]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  262.115347][ T4068]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  262.115348][ T4068]  ? 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)
[  262.115351][ T4068]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  262.115354][ T4068]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  262.115357][ T4068]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  262.115359][ T4068]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  262.115362][ T4068]  ? __nla_parse (lib/nlattr.c:732)
[  262.115364][ T4068]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  262.115366][ T4068]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  262.115368][ T4068]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  262.115369][ T4068]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  262.115370][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115372][ T4068]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  262.115374][ T4068]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  262.115377][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115378][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115380][ T4068]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  262.115383][ T4068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.115385][ T4068]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  262.115387][ T4068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  262.115388][ T4068]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  262.115391][ T4068]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  262.115393][ T4068]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  262.115396][ T4068]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  262.115397][ T4068]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.115399][ T4068]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  262.115400][ T4068]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  262.115402][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115404][ T4068]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.115406][ T4068]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  262.115408][ T4068]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  262.115410][ T4068]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  262.115412][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115414][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115415][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115417][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115419][ T4068]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  262.115421][ T4068]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  262.115423][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115424][ T4068]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  262.115426][ T4068]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  262.115429][ T4068]  ? copy_msghdr_from_user (net/socket.c:2650)
[  262.115431][ T4068]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  262.115432][ T4068]  ? move_addr_to_kernel (net/socket.c:258)
[  262.115434][ T4068]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  262.115437][ T4068]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  262.115439][ T4068]  ___sys_sendmsg (net/socket.c:2767)
[  262.115441][ T4068]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  262.115443][ T4068]  ? copy_msghdr_from_user (net/socket.c:2619)
[  262.115445][ T4068]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  262.115449][ T4068]  __sys_sendmsg (net/socket.c:2799)
[  262.115451][ T4068]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  262.115454][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115456][ T4068]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  262.115458][ T4068]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  262.115461][ T4068]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  262.115463][ T4068]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  262.115465][ T4068] RIP: 0033:0x7fb1518f354e
[  262.115467][ T4068] 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
[  262.115469][ T4068] RSP: 002b:00007ffec54700c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  262.115472][ T4068] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1518f354e
[  262.115474][ T4068] RDX: 0000000000000000 RSI: 00007ffec5470170 RDI: 0000000000000005
[  262.115475][ T4068] RBP: 00007ffec54700d0 R08: 0000000000000000 R09: 0000000000000000
[  262.115475][ T4068] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c16
[  262.115476][ T4068] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  277.037785][ T4995] softirqs last disabled at (0): 0x0
| [  277.037787][ T4995] Preemption disabled at:
| [  277.037788][ T4995] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  277.037799][ T4995] Tainted: [W]=WARN
[  277.037800][ T4995] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  277.037802][ T4995] Call Trace:
[  277.037803][ T4995]  <TASK>
[  277.037804][ T4995]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  277.037810][ T4995]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  277.037812][ T4995]  __might_resched.cold (kernel/sched/core.c:9234)
[  277.037816][ T4995]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  277.037819][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037823][ T4995]  __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))
[  277.037826][ T4995]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  277.037829][ T4995]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  277.037833][ T4995]  ? 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)
[  277.037834][ T4995]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  277.037836][ T4995]  put_chars (drivers/char/virtio_console.c:1176)
[  277.037838][ T4995]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  277.037840][ T4995]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  277.037843][ T4995]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  277.037846][ T4995]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  277.037847][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037849][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037851][ T4995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.037853][ T4995]  console_emit_next_record (kernel/printk/printk.c:3183)
[  277.037855][ T4995]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  277.037857][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037859][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037860][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037862][ T4995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.037864][ T4995]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  277.037866][ T4995]  console_flush_one_record (kernel/printk/printk.c:3268)
[  277.037868][ T4995]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  277.037871][ T4995]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  277.037872][ T4995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.037874][ T4995]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  277.037875][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037877][ T4995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  277.037878][ T4995]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  277.037880][ T4995]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  277.037882][ T4995]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  277.037884][ T4995]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  277.037885][ T4995]  vprintk_emit (kernel/printk/printk.c:2479)
[  277.037888][ T4995]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  277.037889][ T4995]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  277.037892][ T4995]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  277.037894][ T4995]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  277.037895][ T4995]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  277.037896][ T4995]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  277.037899][ T4995]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  277.037900][ T4995]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  277.037902][ T4995]  _printk (kernel/printk/printk.c:2504)
[  277.037905][ T4995]  ? snapshot_read.cold (user.c:?)
[  277.037907][ T4995]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  277.037910][ T4995]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  277.037911][ T4995]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  277.037913][ T4995]  ? netdev_notice (net/core/dev.c:13194)
[  277.037915][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037917][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037918][ T4995]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  277.037921][ T4995]  ? 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)
[  277.037922][ T4995]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  277.037924][ T4995]  ? 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)
[  277.037927][ T4995]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  277.037929][ T4995]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  277.037932][ T4995]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  277.037934][ T4995]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  277.037935][ T4995]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  277.037937][ T4995]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  277.037938][ T4995]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  277.037940][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037941][ T4995]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  277.037944][ T4995]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  277.037946][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037948][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037949][ T4995]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  277.037953][ T4995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.037955][ T4995]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  277.037956][ T4995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  277.037958][ T4995]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  277.037960][ T4995]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  277.037964][ T4995]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  277.037966][ T4995]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  277.037967][ T4995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  277.037968][ T4995]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  277.037970][ T4995]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  277.037972][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037974][ T4995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  277.037976][ T4995]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  277.037978][ T4995]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  277.037979][ T4995]  ? next_uptodate_folio (mm/filemap.c:3747)
[  277.037982][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037984][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037985][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037987][ T4995]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  277.037989][ T4995]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  277.037991][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.037993][ T4995]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  277.037995][ T4995]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  277.037997][ T4995]  ? copy_msghdr_from_user (net/socket.c:2650)
[  277.037999][ T4995]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  277.038000][ T4995]  ? move_addr_to_kernel (net/socket.c:258)
[  277.038003][ T4995]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  277.038005][ T4995]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  277.038007][ T4995]  ___sys_sendmsg (net/socket.c:2767)
[  277.038009][ T4995]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  277.038011][ T4995]  ? copy_msghdr_from_user (net/socket.c:2619)
[  277.038013][ T4995]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  277.038017][ T4995]  __sys_sendmsg (net/socket.c:2799)
[  277.038019][ T4995]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  277.038022][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.038023][ T4995]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  277.038025][ T4995]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  277.038028][ T4995]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  277.038031][ T4995]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  277.038032][ T4995] RIP: 0033:0x7f55b50ad54e
[  277.038034][ T4995] 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
[  277.038036][ T4995] RSP: 002b:00007ffc63f59cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  277.038040][ T4995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55b50ad54e
[  277.038041][ T4995] RDX: 0000000000000000 RSI: 00007ffc63f59d80 RDI: 0000000000000005
[  277.038042][ T4995] RBP: 00007ffc63f59ce0 R08: 0000000000000000 R09: 0000000000000000
[  277.038043][ T4995] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c25
[  277.038044][ T4995] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  292.365607][ T5928] softirqs last disabled at (0): 0x0
| [  292.365610][ T5928] Preemption disabled at:
| [  292.365611][ T5928] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  292.365625][ T5928] Tainted: [W]=WARN
[  292.365626][ T5928] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  292.365629][ T5928] Call Trace:
[  292.365631][ T5928]  <TASK>
[  292.365633][ T5928]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  292.365640][ T5928]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  292.365642][ T5928]  __might_resched.cold (kernel/sched/core.c:9234)
[  292.365647][ T5928]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  292.365652][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365657][ T5928]  __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))
[  292.365662][ T5928]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  292.365666][ T5928]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  292.365671][ T5928]  ? 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)
[  292.365673][ T5928]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  292.365676][ T5928]  put_chars (drivers/char/virtio_console.c:1176)
[  292.365679][ T5928]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  292.365682][ T5928]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  292.365687][ T5928]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  292.365692][ T5928]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  292.365694][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365696][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365699][ T5928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.365703][ T5928]  console_emit_next_record (kernel/printk/printk.c:3183)
[  292.365706][ T5928]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  292.365709][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365712][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365714][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365717][ T5928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.365720][ T5928]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  292.365722][ T5928]  console_flush_one_record (kernel/printk/printk.c:3268)
[  292.365726][ T5928]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  292.365730][ T5928]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  292.365733][ T5928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.365735][ T5928]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  292.365738][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365740][ T5928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  292.365742][ T5928]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  292.365744][ T5928]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  292.365748][ T5928]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  292.365753][ T5928]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  292.365756][ T5928]  vprintk_emit (kernel/printk/printk.c:2479)
[  292.365760][ T5928]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  292.365762][ T5928]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  292.365766][ T5928]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  292.365768][ T5928]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  292.365771][ T5928]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  292.365773][ T5928]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  292.365777][ T5928]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  292.365779][ T5928]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  292.365782][ T5928]  _printk (kernel/printk/printk.c:2504)
[  292.365786][ T5928]  ? snapshot_read.cold (user.c:?)
[  292.365790][ T5928]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  292.365794][ T5928]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  292.365797][ T5928]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  292.365800][ T5928]  ? netdev_notice (net/core/dev.c:13194)
[  292.365803][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365805][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365808][ T5928]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  292.365811][ T5928]  ? 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)
[  292.365814][ T5928]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  292.365816][ T5928]  ? 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)
[  292.365821][ T5928]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  292.365825][ T5928]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  292.365829][ T5928]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  292.365832][ T5928]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  292.365834][ T5928]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  292.365837][ T5928]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  292.365839][ T5928]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  292.365841][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365844][ T5928]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  292.365848][ T5928]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  292.365852][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365854][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365857][ T5928]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  292.365861][ T5928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.365865][ T5928]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  292.365868][ T5928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  292.365870][ T5928]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  292.365873][ T5928]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  292.365879][ T5928]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  292.365881][ T5928]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  292.365884][ T5928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  292.365886][ T5928]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  292.365888][ T5928]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  292.365892][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365895][ T5928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  292.365898][ T5928]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  292.365901][ T5928]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  292.365903][ T5928]  ? next_uptodate_folio (mm/filemap.c:3747)
[  292.365907][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365910][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365912][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365916][ T5928]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  292.365919][ T5928]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  292.365922][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365925][ T5928]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  292.365927][ T5928]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  292.365931][ T5928]  ? copy_msghdr_from_user (net/socket.c:2650)
[  292.365934][ T5928]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  292.365936][ T5928]  ? move_addr_to_kernel (net/socket.c:258)
[  292.365940][ T5928]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  292.365943][ T5928]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  292.365946][ T5928]  ___sys_sendmsg (net/socket.c:2767)
[  292.365949][ T5928]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  292.365952][ T5928]  ? copy_msghdr_from_user (net/socket.c:2619)
[  292.365955][ T5928]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  292.365963][ T5928]  __sys_sendmsg (net/socket.c:2799)
[  292.365966][ T5928]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  292.365970][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365973][ T5928]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  292.365976][ T5928]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  292.365980][ T5928]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  292.365983][ T5928]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  292.365986][ T5928] RIP: 0033:0x7f757628e54e
[  292.365989][ T5928] 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
[  292.365992][ T5928] RSP: 002b:00007ffdacb85d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  292.365997][ T5928] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f757628e54e
[  292.365999][ T5928] RDX: 0000000000000000 RSI: 00007ffdacb85db0 RDI: 0000000000000005
[  292.366001][ T5928] RBP: 00007ffdacb85d10 R08: 0000000000000000 R09: 0000000000000000
[  292.366002][ T5928] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915c34
[  292.366003][ T5928] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  451.671523][   T12] softirqs last disabled at (57682): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  451.671526][   T12] Preemption disabled at:
| [  451.671526][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  451.671538][   T12] Tainted: [W]=WARN
[  451.671539][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  451.671541][   T12] Workqueue: netns cleanup_net
[  451.671548][   T12] Call Trace:
[  451.671549][   T12]  <TASK>
[  451.671551][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  451.671556][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  451.671558][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  451.671562][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  451.671565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671569][   T12]  __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))
[  451.671573][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.671575][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.671579][   T12]  ? 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)
[  451.671580][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  451.671582][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  451.671584][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  451.671585][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  451.671587][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  451.671590][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  451.671593][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  451.671594][   T12]  ? 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)
[  451.671596][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.671597][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671599][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671601][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.671603][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  451.671606][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  451.671608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671609][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671611][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671612][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.671614][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  451.671616][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  451.671618][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  451.671621][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  451.671623][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.671624][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  451.671626][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671627][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  451.671629][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  451.671630][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  451.671632][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  451.671634][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  451.671636][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  451.671638][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  451.671640][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[  451.671642][   T12]  ? kthread (kernel/kthread.c:436)
[  451.671644][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  451.671647][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  451.671649][   T12]  _printk (kernel/printk/printk.c:2504)
[  451.671652][   T12]  ? snapshot_read.cold (user.c:?)
[  451.671655][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  451.671658][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  451.671659][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  451.671661][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  451.671663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671665][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  451.671666][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  451.671669][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  451.671670][   T12]  ? 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)
[  451.671673][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  451.671676][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  451.671678][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  451.671692][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[  451.671699][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  451.671706][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  451.671708][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  451.671710][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  451.671714][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  451.671715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  451.671717][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  451.671719][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  451.671721][   T12]  process_one_work (kernel/workqueue.c:3387)
[  451.671724][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  451.671726][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  451.671729][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  451.671732][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  451.671733][   T12]  kthread (kernel/kthread.c:436)
[  451.671735][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  451.671736][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  451.671738][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  451.671739][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  451.671741][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  451.671744][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_add_excl:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars