======================================
| [    9.778646][  T186] softirqs last disabled at (24246): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.778648][  T186] Preemption disabled at:
| [    9.778649][  T186] 0x0
| [    9.778659][  T186] Tainted: [W]=WARN
[    9.778660][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.778662][  T186] Call Trace:
[    9.778663][  T186]  <TASK>
[    9.778665][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.778671][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.778676][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.778680][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.778686][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.778688][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.778694][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.778697][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.778700][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.778703][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.778704][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.778709][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.778714][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.778721][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.778723][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.778726][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.778730][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.778734][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.778736][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.778739][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.778741][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.778745][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.778750][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.778752][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.778757][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.778760][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.778762][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.778764][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.778768][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.778769][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.778773][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.778777][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.778780][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.778784][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.778788][  T186]  ? snapshot_read.cold (user.c:?)
[    9.778791][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.778794][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.778798][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.778801][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.778804][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.778806][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.778809][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.778814][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.778817][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.778819][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.778821][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.778824][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.778827][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.778829][  T186] RIP: 0033:0x7f36d16ee1b8
[    9.778831][  T186] Code: Unable to access opcode bytes at 0x7f36d16ee18e.

Code starting with the faulting instruction
===========================================
[    9.778833][  T186] RSP: 002b:00007ffd68f20218 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.778835][  T186] RAX: ffffffffffffffda RBX: 00007f36d181ef88 RCX: 00007f36d16ee1b8
[    9.778836][  T186] RDX: 00007f36d1438fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.778837][  T186] RBP: 00007ffd68f20270 R08: 0000000000000000 R09: 0000000000008010
[    9.778838][  T186] R10: 00007ffd68f20030 R11: 0000000000000246 R12: 0000000000000001
[    9.778839][  T186] R13: 0000000000000000 R14: 00007f36d181d680 R15: 00007f36d181efa0
| [   10.879437][  T247] softirqs last disabled at (22885): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.879440][  T247] Preemption disabled at:
| [   10.879440][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.879450][  T247] Tainted: [W]=WARN
[   10.879451][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.879452][  T247] Call Trace:
[   10.879454][  T247]  <TASK>
[   10.879455][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.879461][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.879463][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.879468][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.879472][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.879477][  T247]  __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))
[   10.879480][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.879485][  T247]  ? 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)
[   10.879488][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.879491][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   10.879493][  T247]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   10.879496][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.879498][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.879502][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.879506][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.879509][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.879511][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.879515][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.879516][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.879519][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.879522][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.879526][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.879530][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.879532][  T247]  ? 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))
[   10.879535][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.879537][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.879541][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.879545][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.879547][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.879552][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.879555][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.879557][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.879559][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.879563][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.879564][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.879568][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.879572][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.879577][  T247]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   10.879581][  T247]  _printk (kernel/printk/printk.c:2504)
[   10.879584][  T247]  ? snapshot_read.cold (user.c:?)
[   10.879591][  T247]  ? 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)
[   10.879594][  T247] gact_init_module (net/sched/act_gact.c:180) act_gact
[   10.879596][  T247]  do_one_initcall (init/main.c:1357)
[   10.879599][  T247]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.879603][  T247]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.879607][  T247]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.879611][  T247]  do_init_module (kernel/module/main.c:3117)
[   10.879615][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.879619][  T247]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.879623][  T247]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.879626][  T247]  load_module (kernel/module/main.c:3593)
[   10.879634][  T247]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.879638][  T247]  ? __ia32_sys_fsconfig (??:?)
[   10.879640][  T247]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.879645][  T247]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.879648][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.879652][  T247]  init_module_from_file (kernel/module/main.c:3790)
[   10.879655][  T247]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.879663][  T247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.879666][  T247]  ? 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)
[   10.879669][  T247]  idempotent_init_module (kernel/module/main.c:3802)
[   10.879673][  T247]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.879679][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.879681][  T247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.879687][  T247]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.879689][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.879693][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.879695][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.879698][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.879700][  T247] RIP: 0033:0x7f2d6943e37d
[   10.879703][  T247] 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
[   10.879705][  T247] RSP: 002b:00007ffde37f0958 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.879708][  T247] RAX: ffffffffffffffda RBX: 0000562b3e5c4810 RCX: 00007f2d6943e37d
[   10.879710][  T247] RDX: 0000000000000000 RSI: 0000562b0b018ffd RDI: 0000000000000000
[   10.879711][  T247] RBP: 00007ffde37f09f0 R08: 0000000000000000 R09: 0000000000000000
[   10.879711][  T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562b0b018ffd
[   10.879712][  T247] R13: 0000562b3e5c4960 R14: 0000000000040000 R15: 0000000000000000
| [   17.511449][  T352] softirqs last disabled at (19868): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   17.511451][  T352] Preemption disabled at:
| [   17.511452][  T352] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.511462][  T352] Tainted: [W]=WARN
[   17.511462][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.511464][  T352] Call Trace:
[   17.511466][  T352]  <TASK>
[   17.511467][  T352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.511473][  T352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.511475][  T352]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.511480][  T352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.511484][  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)
[   17.511490][  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))
[   17.511492][  T352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.511498][  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)
[   17.511500][  T352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.511504][  T352]  put_chars (drivers/char/virtio_console.c:1176)
[   17.511506][  T352]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.511508][  T352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.511511][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.511515][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.511518][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.511521][  T352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.511524][  T352]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.511526][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511528][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511532][  T352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.511534][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.511537][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511540][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.511544][  T352]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.511548][  T352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.511550][  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))
[   17.511553][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511555][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.511559][  T352]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.511564][  T352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.511566][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511571][  T352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.511574][  T352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.511576][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511578][  T352]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.511582][  T352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.511584][  T352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.511587][  T352]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.511591][  T352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.511594][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.511596][  T352]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.511600][  T352]  _printk (kernel/printk/printk.c:2504)
[   17.511604][  T352]  ? snapshot_read.cold (user.c:?)
[   17.511608][  T352]  ? br_multicast_flood (??:?) bridge
[   17.511621][  T352]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.511622][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.511623][  T352]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.511628][  T352] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.511638][  T352] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   17.511647][  T352] new_nbp (net/bridge/br_if.c:449) bridge
[   17.511656][  T352] br_add_if (net/bridge/br_if.c:592) bridge
[   17.511663][  T352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   17.511668][  T352]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   17.511671][  T352]  ? __kernel_text_address (kernel/extable.c:79)
[   17.511675][  T352]  do_set_master (net/core/rtnetlink.c:3071)
[   17.511679][  T352]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   17.511683][  T352]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.511686][  T352]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.511687][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.511689][  T352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.511692][  T352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.511695][  T352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.511697][  T352]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.511699][  T352]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.511702][  T352]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.511704][  T352]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.511707][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511709][  T352]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   17.511712][  T352]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.511716][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.511718][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.511721][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511723][  T352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.511725][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511727][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511729][  T352]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.511733][  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)
[   17.511736][  T352]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.511738][  T352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.511741][  T352]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.511743][  T352]  ? nla_get_range_signed (lib/nlattr.c:270)
[   17.511748][  T352]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.511753][  T352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.511758][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.511760][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511765][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.511767][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.511769][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.511771][  T352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.511774][  T352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.511776][  T352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.511779][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.511781][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511785][  T352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.511787][  T352]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.511791][  T352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.511792][  T352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.511795][  T352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.511801][  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))
[   17.511803][  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))
[   17.511807][  T352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.511811][  T352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.511813][  T352]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.511818][  T352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.511822][  T352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.511826][  T352]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.511831][  T352]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.511834][  T352]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.511836][  T352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.511838][  T352]  ? move_addr_to_kernel (net/socket.c:258)
[   17.511845][  T352]  ___sys_sendmsg (net/socket.c:2767)
[   17.511848][  T352]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.511863][  T352]  __sys_sendmsg (net/socket.c:2799)
[   17.511866][  T352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.511873][  T352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.511876][  T352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.511879][  T352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.511887][  T352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.511889][  T352] RIP: 0033:0x7fcdc2a3d54e
[   17.511893][  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
[   17.511895][  T352] RSP: 002b:00007ffc5b5cbf40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.511897][  T352] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcdc2a3d54e
[   17.511899][  T352] RDX: 0000000000000000 RSI: 00007ffc5b5cbff0 RDI: 0000000000000005
[   17.511900][  T352] RBP: 00007ffc5b5cbf50 R08: 0000000000000000 R09: 0000000000000000
[   17.511900][  T352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918807
[   17.511901][  T352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5b5cc6b0
| [   26.994273][    C0] softirqs last disabled at (1229531): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.994276][    C0] Preemption disabled at:
| [   26.994277][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.994289][    C0] Tainted: [W]=WARN
[   26.994291][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.994293][    C0] Call Trace:
[   26.994295][    C0]  <IRQ>
[   26.994297][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.994303][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.994306][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.994310][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.994314][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.994318][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994322][    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))
[   26.994327][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.994330][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.994334][    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)
[   26.994337][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.994340][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.994342][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.994345][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.994349][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.994354][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.994356][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994359][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.994362][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.994366][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.994368][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994371][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994373][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.994376][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.994379][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.994382][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.994386][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.994388][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.994391][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.994393][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994395][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.994397][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.994399][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.994402][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.994405][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.994408][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.994410][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994413][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.994415][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.994420][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.994424][    C0]  ? snapshot_read.cold (user.c:?)
[   26.994426][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.994431][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.994434][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.994437][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.994440][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.994445][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.994448][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.994450][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.994453][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.994456][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.994474][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994476][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.994479][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.994490][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.994492][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.994504][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.994516][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.994528][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.994532][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.994534][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.994539][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.994541][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.994544][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994547][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.994550][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.994562][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.994565][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.994569][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.994572][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.994575][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.994578][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.994581][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994583][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.994586][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.994589][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.994592][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.994594][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.994596][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.994599][    C0]  </IRQ>
[   26.994600][    C0]  <TASK>
[   26.994601][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.994603][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.994607][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.994610][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   26.994612][    C0] RSP: 0018:ffffffff8ac07cf8 EFLAGS: 00000296
[   26.994616][    C0] RAX: 000000000012c2d9 RBX: ffffffff8ac1c600 RCX: ffffffff87cf0307
[   26.994618][    C0] RDX: ffffffff8ac1c600 RSI: ffffffff8aa38af6 RDI: ffffffff8a48d8e0
[   26.994619][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.994620][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1580fa2
[   26.994622][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.994624][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.994628][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.994630][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.994632][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.994635][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.994637][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.994639][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.994642][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.994645][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.994647][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.994649][    C0]  rest_init (init/main.c:727)
[   26.994652][    C0]  ? __cpuidle_text_end (??:?)
[   26.994656][    C0]  ? rest_init (init/main.c:727)
[   26.994659][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.994663][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.994666][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.994670][    C0]  start_kernel (init/main.c:1185)
[   26.994673][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.994676][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.994678][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.098850][    C0]
| [   27.098967][    C0]
| [   27.098967][    C0] stack backtrace:
| [   27.099255][    C0] Tainted: [W]=WARN
[   27.099256][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.099258][    C0] Call Trace:
[   27.099260][    C0]  <IRQ>
[   27.099261][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.099267][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.099272][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.099277][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.099280][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.099282][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.099285][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.099288][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.099301][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099305][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.099307][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.099319][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.099322][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.099334][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.099346][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.099357][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.099360][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.099363][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.099367][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.099370][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.099373][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099376][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.099379][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.099391][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.099394][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.099398][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.099402][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.099404][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.099407][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.099410][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099412][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.099415][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.099418][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.099421][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.099423][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.099425][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.099428][    C0]  </IRQ>
[   27.099429][    C0]  <TASK>
[   27.099430][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.099433][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.099436][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.099439][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   27.099441][    C0] RSP: 0018:ffffffff8ac07cf8 EFLAGS: 00000296
[   27.099445][    C0] RAX: 000000000012c2d9 RBX: ffffffff8ac1c600 RCX: ffffffff87cf0307
[   27.099447][    C0] RDX: ffffffff8ac1c600 RSI: ffffffff8aa38af6 RDI: ffffffff8a48d8e0
[   27.099448][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.099449][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1580fa2
[   27.099451][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.099453][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.099457][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.099459][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.099461][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.099464][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.099466][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.099468][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.099471][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099474][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.099476][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.099478][    C0]  rest_init (init/main.c:727)
[   27.099481][    C0]  ? __cpuidle_text_end (??:?)
[   27.099485][    C0]  ? rest_init (init/main.c:727)
[   27.099488][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.099492][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.099496][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.099499][    C0]  start_kernel (init/main.c:1185)
[   27.099502][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.099504][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.099507][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   33.884587][ T2390] softirqs last disabled at (0): 0x0
| [   33.884588][ T2390] Preemption disabled at:
| [   33.884589][ T2390] vprintk_emit (kernel/printk/printk.c:2471)
| [   33.884600][ T2390] Tainted: [W]=WARN
[   33.884601][ T2390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.884603][ T2390] Call Trace:
[   33.884605][ T2390]  <TASK>
[   33.884606][ T2390]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.884611][ T2390]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   33.884613][ T2390]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.884617][ T2390]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.884620][ T2390]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   33.884623][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884626][ T2390]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.884630][ T2390]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   33.884632][ T2390]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.884636][ T2390]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.884637][ T2390]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.884639][ T2390]  put_chars (drivers/char/virtio_console.c:1176)
[   33.884641][ T2390]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.884643][ T2390]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   33.884645][ T2390]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.884649][ T2390]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.884650][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884652][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884654][ T2390]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.884656][ T2390]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.884658][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884660][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884661][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884663][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884665][ T2390]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   33.884666][ T2390]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.884668][ T2390]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.884671][ T2390]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.884673][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884674][ T2390]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.884675][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884677][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.884678][ T2390]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.884680][ T2390]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   33.884682][ T2390]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.884684][ T2390]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.884685][ T2390]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.884688][ T2390]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.884690][ T2390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.884693][ T2390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.884695][ T2390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.884697][ T2390]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.884699][ T2390]  ? ___sys_sendmsg (net/socket.c:2767)
[   33.884701][ T2390]  ? __sys_sendmsg (net/socket.c:2799)
[   33.884702][ T2390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.884706][ T2390]  _printk (kernel/printk/printk.c:2504)
[   33.884709][ T2390]  ? snapshot_read.cold (user.c:?)
[   33.884712][ T2390]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   33.884714][ T2390]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   33.884716][ T2390]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   33.884718][ T2390]  ? netdev_notice (net/core/dev.c:13194)
[   33.884719][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884721][ T2390]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   33.884723][ T2390]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   33.884725][ T2390]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   33.884727][ T2390]  ? 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)
[   33.884729][ T2390]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   33.884732][ T2390]  dev_set_allmulti (net/core/dev_api.c:315)
[   33.884735][ T2390] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   33.884747][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   33.884751][ T2390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.884753][ T2390] br_del_if (net/bridge/br_if.c:732) bridge
[   33.884760][ T2390]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.884762][ T2390]  do_set_master (net/core/rtnetlink.c:3055)
[   33.884765][ T2390]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   33.884767][ T2390]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   33.884770][ T2390]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   33.884771][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884772][ T2390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   33.884776][ T2390]  ? kasan_save_stack (mm/kasan/common.c:58)
[   33.884778][ T2390]  ? kasan_save_stack (mm/kasan/common.c:57)
[   33.884780][ T2390]  ? kasan_save_track (mm/kasan/common.c:78)
[   33.884781][ T2390]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.884783][ T2390]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   33.884784][ T2390]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   33.884785][ T2390]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.884786][ T2390]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.884788][ T2390]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.884789][ T2390]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.884790][ T2390]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.884791][ T2390]  ? ___sys_sendmsg (net/socket.c:2767)
[   33.884792][ T2390]  ? __sys_sendmsg (net/socket.c:2799)
[   33.884794][ T2390]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.884795][ T2390]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.884797][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884799][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884800][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884802][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884804][ T2390]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   33.884806][ T2390]  ? __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)
[   33.884808][ T2390]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   33.884809][ T2390]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   33.884811][ T2390]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   33.884812][ T2390]  ? nla_get_range_signed (lib/nlattr.c:270)
[   33.884814][ T2390]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   33.884816][ T2390]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   33.884818][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884820][ T2390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.884821][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884822][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884824][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   33.884826][ T2390]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   33.884828][ T2390]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   33.884829][ T2390]  ? __kernel_text_address (kernel/extable.c:79)
[   33.884830][ T2390]  ? write_profile (profile.c:?)
[   33.884831][ T2390]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.884834][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884835][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884837][ T2390]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   33.884840][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884842][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884844][ T2390]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   33.884845][ T2390]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   33.884847][ T2390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.884848][ T2390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   33.884849][ T2390]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   33.884852][ T2390]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   33.884853][ T2390]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.884854][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.884856][ T2390]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.884857][ T2390]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   33.884859][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884861][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.884863][ T2390]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.884865][ T2390]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.884867][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884868][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884870][ T2390]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.884872][ T2390]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   33.884873][ T2390]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   33.884875][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884877][ T2390]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   33.884879][ T2390]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   33.884880][ T2390]  ? copy_msghdr_from_user (net/socket.c:2650)
[   33.884882][ T2390]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   33.884883][ T2390]  ? move_addr_to_kernel (net/socket.c:258)
[   33.884885][ T2390]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   33.884887][ T2390]  ___sys_sendmsg (net/socket.c:2767)
[   33.884889][ T2390]  ? copy_msghdr_from_user (net/socket.c:2619)
[   33.884894][ T2390]  __sys_sendmsg (net/socket.c:2799)
[   33.884895][ T2390]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   33.884898][ T2390]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.884900][ T2390]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   33.884901][ T2390]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   33.884903][ T2390]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.884905][ T2390] RIP: 0033:0x7fceef08854e
[   33.884907][ T2390] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   33.884909][ T2390] RSP: 002b:00007fff0d0d2870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.884912][ T2390] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fceef08854e
[   33.884914][ T2390] RDX: 0000000000000000 RSI: 00007fff0d0d2920 RDI: 0000000000000005
[   33.884914][ T2390] RBP: 00007fff0d0d2880 R08: 0000000000000000 R09: 0000000000000000
[   33.884915][ T2390] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918818
[   33.884916][ T2390] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0d0d2fe0
| [   47.873592][ T4445] softirqs last disabled at (0): 0x0
| [   47.873594][ T4445] Preemption disabled at:
| [   47.873594][ T4445] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.873605][ T4445] Tainted: [W]=WARN
[   47.873606][ T4445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.873607][ T4445] Call Trace:
[   47.873609][ T4445]  <TASK>
[   47.873610][ T4445]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.873616][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.873618][ T4445]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.873621][ T4445]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.873624][ T4445]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   47.873627][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873631][ T4445]  __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))
[   47.873634][ T4445]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   47.873636][ T4445]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.873640][ T4445]  ? 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)
[   47.873642][ T4445]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.873644][ T4445]  put_chars (drivers/char/virtio_console.c:1176)
[   47.873646][ T4445]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.873648][ T4445]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   47.873650][ T4445]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.873653][ T4445]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.873655][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873656][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873658][ T4445]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.873661][ T4445]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.873663][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873664][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873666][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873668][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873669][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   47.873671][ T4445]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.873673][ T4445]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.873676][ T4445]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.873678][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873679][ T4445]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.873681][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873682][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.873684][ T4445]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   47.873685][ T4445]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   47.873687][ T4445]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.873689][ T4445]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.873691][ T4445]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.873693][ T4445]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.873695][ T4445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.873698][ T4445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.873700][ T4445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.873702][ T4445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.873704][ T4445]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.873706][ T4445]  ? __sys_sendmsg (net/socket.c:2799)
[   47.873707][ T4445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.873710][ T4445]  _printk (kernel/printk/printk.c:2504)
[   47.873714][ T4445]  ? snapshot_read.cold (user.c:?)
[   47.873716][ T4445]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.873719][ T4445]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.873721][ T4445]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.873722][ T4445]  ? netdev_notice (net/core/dev.c:13194)
[   47.873724][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873726][ T4445]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   47.873727][ T4445]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   47.873730][ T4445]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   47.873731][ T4445]  ? 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)
[   47.873733][ T4445]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   47.873736][ T4445]  dev_set_allmulti (net/core/dev_api.c:315)
[   47.873739][ T4445] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   47.873751][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.873755][ T4445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.873757][ T4445] br_del_if (net/bridge/br_if.c:732) bridge
[   47.873764][ T4445]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   47.873767][ T4445]  do_set_master (net/core/rtnetlink.c:3055)
[   47.873769][ T4445]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   47.873772][ T4445]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   47.873774][ T4445]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   47.873775][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873777][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.873781][ T4445]  ? kasan_save_stack (mm/kasan/common.c:58)
[   47.873783][ T4445]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.873784][ T4445]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.873786][ T4445]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.873787][ T4445]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   47.873789][ T4445]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   47.873790][ T4445]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.873791][ T4445]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.873792][ T4445]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.873793][ T4445]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.873795][ T4445]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.873796][ T4445]  ? ___sys_sendmsg (net/socket.c:2767)
[   47.873797][ T4445]  ? __sys_sendmsg (net/socket.c:2799)
[   47.873799][ T4445]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.873800][ T4445]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.873802][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873804][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873805][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873807][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873809][ T4445]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   47.873811][ T4445]  ? __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)
[   47.873813][ T4445]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   47.873814][ T4445]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   47.873816][ T4445]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   47.873817][ T4445]  ? nla_get_range_signed (lib/nlattr.c:270)
[   47.873819][ T4445]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   47.873821][ T4445]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   47.873823][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873825][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.873826][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873828][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873830][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   47.873831][ T4445]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   47.873833][ T4445]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   47.873834][ T4445]  ? __kernel_text_address (kernel/extable.c:79)
[   47.873835][ T4445]  ? write_profile (profile.c:?)
[   47.873837][ T4445]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.873839][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873841][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873843][ T4445]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   47.873846][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873848][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873849][ T4445]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   47.873851][ T4445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   47.873852][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.873854][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.873855][ T4445]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   47.873857][ T4445]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   47.873859][ T4445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.873860][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.873862][ T4445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.873863][ T4445]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   47.873865][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873867][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.873869][ T4445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.873871][ T4445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.873872][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873874][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873876][ T4445]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.873878][ T4445]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   47.873879][ T4445]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   47.873881][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873883][ T4445]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   47.873885][ T4445]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   47.873886][ T4445]  ? copy_msghdr_from_user (net/socket.c:2650)
[   47.873888][ T4445]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   47.873890][ T4445]  ? move_addr_to_kernel (net/socket.c:258)
[   47.873891][ T4445]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   47.873893][ T4445]  ___sys_sendmsg (net/socket.c:2767)
[   47.873895][ T4445]  ? copy_msghdr_from_user (net/socket.c:2619)
[   47.873900][ T4445]  __sys_sendmsg (net/socket.c:2799)
[   47.873902][ T4445]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   47.873904][ T4445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.873906][ T4445]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   47.873908][ T4445]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   47.873910][ T4445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.873911][ T4445] RIP: 0033:0x7f72e748454e
[   47.873913][ T4445] 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
[   47.873914][ T4445] RSP: 002b:00007ffd16031cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.873918][ T4445] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f72e748454e
[   47.873919][ T4445] RDX: 0000000000000000 RSI: 00007ffd16031d80 RDI: 0000000000000005
[   47.873920][ T4445] RBP: 00007ffd16031ce0 R08: 0000000000000000 R09: 0000000000000000
[   47.873921][ T4445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918826
[   47.873922][ T4445] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd16032440
| [   61.407467][ T6510] softirqs last disabled at (0): 0x0
| [   61.407469][ T6510] Preemption disabled at:
| [   61.407470][ T6510] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.407481][ T6510] Tainted: [W]=WARN
[   61.407482][ T6510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.407483][ T6510] Call Trace:
[   61.407485][ T6510]  <TASK>
[   61.407486][ T6510]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.407491][ T6510]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.407493][ T6510]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.407497][ T6510]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.407500][ T6510]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   61.407503][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407507][ T6510]  __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))
[   61.407510][ T6510]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.407512][ T6510]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.407516][ T6510]  ? 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)
[   61.407518][ T6510]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.407520][ T6510]  put_chars (drivers/char/virtio_console.c:1176)
[   61.407522][ T6510]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.407523][ T6510]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   61.407526][ T6510]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.407529][ T6510]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.407530][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407532][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407534][ T6510]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.407537][ T6510]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.407539][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407540][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407542][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407544][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407545][ T6510]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   61.407547][ T6510]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.407549][ T6510]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.407552][ T6510]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.407554][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407555][ T6510]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.407557][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407558][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.407560][ T6510]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.407561][ T6510]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   61.407563][ T6510]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.407565][ T6510]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.407567][ T6510]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.407569][ T6510]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.407571][ T6510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.407574][ T6510]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.407577][ T6510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.407578][ T6510]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.407581][ T6510]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.407582][ T6510]  ? __sys_sendmsg (net/socket.c:2799)
[   61.407584][ T6510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.407587][ T6510]  _printk (kernel/printk/printk.c:2504)
[   61.407590][ T6510]  ? snapshot_read.cold (user.c:?)
[   61.407593][ T6510]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.407595][ T6510]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.407597][ T6510]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.407599][ T6510]  ? netdev_notice (net/core/dev.c:13194)
[   61.407601][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407602][ T6510]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   61.407604][ T6510]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   61.407606][ T6510]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   61.407608][ T6510]  ? 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)
[   61.407610][ T6510]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   61.407613][ T6510]  dev_set_allmulti (net/core/dev_api.c:315)
[   61.407615][ T6510] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   61.407628][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.407631][ T6510]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.407634][ T6510] br_del_if (net/bridge/br_if.c:732) bridge
[   61.407641][ T6510]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.407643][ T6510]  do_set_master (net/core/rtnetlink.c:3055)
[   61.407645][ T6510]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.407648][ T6510]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.407650][ T6510]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.407651][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407653][ T6510]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.407657][ T6510]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.407659][ T6510]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.407660][ T6510]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.407662][ T6510]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.407663][ T6510]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   61.407665][ T6510]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   61.407666][ T6510]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.407667][ T6510]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.407668][ T6510]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.407670][ T6510]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.407671][ T6510]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.407672][ T6510]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.407673][ T6510]  ? __sys_sendmsg (net/socket.c:2799)
[   61.407675][ T6510]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.407676][ T6510]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.407678][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407680][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407682][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407683][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407685][ T6510]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.407687][ T6510]  ? __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)
[   61.407689][ T6510]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.407690][ T6510]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.407692][ T6510]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.407693][ T6510]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.407695][ T6510]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.407697][ T6510]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.407699][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407701][ T6510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.407702][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407703][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407705][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   61.407707][ T6510]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.407709][ T6510]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.407710][ T6510]  ? __kernel_text_address (kernel/extable.c:79)
[   61.407711][ T6510]  ? write_profile (profile.c:?)
[   61.407712][ T6510]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.407715][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407717][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407718][ T6510]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   61.407722][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407723][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407725][ T6510]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.407726][ T6510]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.407728][ T6510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.407729][ T6510]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.407730][ T6510]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.407733][ T6510]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.407734][ T6510]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.407735][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.407737][ T6510]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.407738][ T6510]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   61.407741][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407742][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.407744][ T6510]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.407746][ T6510]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.407748][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407749][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407751][ T6510]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.407753][ T6510]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.407755][ T6510]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.407756][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407758][ T6510]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.407760][ T6510]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.407761][ T6510]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.407763][ T6510]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.407765][ T6510]  ? move_addr_to_kernel (net/socket.c:258)
[   61.407766][ T6510]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.407768][ T6510]  ___sys_sendmsg (net/socket.c:2767)
[   61.407770][ T6510]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.407775][ T6510]  __sys_sendmsg (net/socket.c:2799)
[   61.407777][ T6510]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.407779][ T6510]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.407781][ T6510]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.407782][ T6510]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.407785][ T6510]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.407786][ T6510] RIP: 0033:0x7fb86f5f654e
[   61.407788][ T6510] 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
[   61.407790][ T6510] RSP: 002b:00007fff0c73ede0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.407793][ T6510] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb86f5f654e
[   61.407795][ T6510] RDX: 0000000000000000 RSI: 00007fff0c73ee90 RDI: 0000000000000005
[   61.407796][ T6510] RBP: 00007fff0c73edf0 R08: 0000000000000000 R09: 0000000000000000
[   61.407796][ T6510] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918833
[   61.407797][ T6510] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0c73f550
| [   74.954834][ T8575] softirqs last disabled at (0): 0x0
| [   74.954836][ T8575] Preemption disabled at:
| [   74.954837][ T8575] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.954848][ T8575] Tainted: [W]=WARN
[   74.954849][ T8575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.954850][ T8575] Call Trace:
[   74.954852][ T8575]  <TASK>
[   74.954853][ T8575]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.954858][ T8575]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.954860][ T8575]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.954864][ T8575]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.954867][ T8575]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   74.954870][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954874][ T8575]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.954877][ T8575]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.954880][ T8575]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.954884][ T8575]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.954885][ T8575]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.954887][ T8575]  put_chars (drivers/char/virtio_console.c:1176)
[   74.954889][ T8575]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.954891][ T8575]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   74.954894][ T8575]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.954897][ T8575]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.954898][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954900][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.954902][ T8575]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.954905][ T8575]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.954907][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954908][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954910][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954912][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.954914][ T8575]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.954915][ T8575]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.954918][ T8575]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.954920][ T8575]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.954922][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.954924][ T8575]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.954926][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954927][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.954929][ T8575]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   74.954930][ T8575]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   74.954932][ T8575]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.954934][ T8575]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.954936][ T8575]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.954938][ T8575]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.954940][ T8575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.954943][ T8575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.954946][ T8575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.954947][ T8575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.954950][ T8575]  ? ___sys_sendmsg (net/socket.c:2767)
[   74.954951][ T8575]  ? __sys_sendmsg (net/socket.c:2799)
[   74.954953][ T8575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.954956][ T8575]  _printk (kernel/printk/printk.c:2504)
[   74.954960][ T8575]  ? snapshot_read.cold (user.c:?)
[   74.954962][ T8575]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.954965][ T8575]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.954967][ T8575]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.954969][ T8575]  ? netdev_notice (net/core/dev.c:13194)
[   74.954971][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.954972][ T8575]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   74.954974][ T8575]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   74.954977][ T8575]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   74.954978][ T8575]  ? 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)
[   74.954981][ T8575]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   74.954984][ T8575]  dev_set_allmulti (net/core/dev_api.c:315)
[   74.954986][ T8575] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   74.954998][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.955002][ T8575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.955005][ T8575] br_del_if (net/bridge/br_if.c:732) bridge
[   74.955012][ T8575]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   74.955014][ T8575]  do_set_master (net/core/rtnetlink.c:3055)
[   74.955017][ T8575]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   74.955019][ T8575]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   74.955022][ T8575]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   74.955023][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955025][ T8575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.955029][ T8575]  ? kasan_save_stack (mm/kasan/common.c:58)
[   74.955031][ T8575]  ? kasan_save_stack (mm/kasan/common.c:57)
[   74.955033][ T8575]  ? kasan_save_track (mm/kasan/common.c:78)
[   74.955034][ T8575]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   74.955036][ T8575]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   74.955037][ T8575]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   74.955038][ T8575]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.955039][ T8575]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.955041][ T8575]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.955042][ T8575]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.955043][ T8575]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.955044][ T8575]  ? ___sys_sendmsg (net/socket.c:2767)
[   74.955046][ T8575]  ? __sys_sendmsg (net/socket.c:2799)
[   74.955047][ T8575]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.955048][ T8575]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.955051][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955053][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.955054][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955056][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955058][ T8575]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.955060][ T8575]  ? __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)
[   74.955062][ T8575]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.955063][ T8575]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.955065][ T8575]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.955066][ T8575]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.955068][ T8575]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   74.955070][ T8575]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.955072][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955074][ T8575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.955076][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.955077][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955079][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   74.955081][ T8575]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   74.955083][ T8575]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   74.955084][ T8575]  ? __kernel_text_address (kernel/extable.c:79)
[   74.955085][ T8575]  ? write_profile (profile.c:?)
[   74.955086][ T8575]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   74.955096][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955097][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955099][ T8575]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   74.955103][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.955104][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955106][ T8575]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.955107][ T8575]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.955109][ T8575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.955111][ T8575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.955112][ T8575]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.955115][ T8575]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.955116][ T8575]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.955117][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.955119][ T8575]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.955120][ T8575]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   74.955123][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955127][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.955129][ T8575]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.955131][ T8575]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.955132][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955134][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955136][ T8575]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.955138][ T8575]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.955140][ T8575]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.955142][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955143][ T8575]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.955145][ T8575]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.955147][ T8575]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.955149][ T8575]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   74.955150][ T8575]  ? move_addr_to_kernel (net/socket.c:258)
[   74.955152][ T8575]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.955154][ T8575]  ___sys_sendmsg (net/socket.c:2767)
[   74.955156][ T8575]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.955161][ T8575]  __sys_sendmsg (net/socket.c:2799)
[   74.955163][ T8575]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.955166][ T8575]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.955168][ T8575]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.955169][ T8575]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.955171][ T8575]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.955173][ T8575] RIP: 0033:0x7fd529eb054e
[   74.955175][ T8575] 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
[   74.955177][ T8575] RSP: 002b:00007ffdefe30b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.955180][ T8575] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd529eb054e
[   74.955182][ T8575] RDX: 0000000000000000 RSI: 00007ffdefe30c30 RDI: 0000000000000005
[   74.955183][ T8575] RBP: 00007ffdefe30b90 R08: 0000000000000000 R09: 0000000000000000
[   74.955184][ T8575] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918841
[   74.955185][ T8575] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdefe312f0
| [   88.499342][T10640] softirqs last disabled at (0): 0x0
| [   88.499343][T10640] Preemption disabled at:
| [   88.499344][T10640] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.499355][T10640] Tainted: [W]=WARN
[   88.499356][T10640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.499358][T10640] Call Trace:
[   88.499359][T10640]  <TASK>
[   88.499361][T10640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.499366][T10640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.499367][T10640]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.499371][T10640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.499374][T10640]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   88.499377][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499381][T10640]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.499384][T10640]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.499386][T10640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.499390][T10640]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.499392][T10640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.499394][T10640]  put_chars (drivers/char/virtio_console.c:1176)
[   88.499396][T10640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.499397][T10640]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.499400][T10640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.499403][T10640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.499404][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499406][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499408][T10640]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.499410][T10640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.499412][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499414][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499416][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499417][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499419][T10640]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.499421][T10640]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.499423][T10640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.499425][T10640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.499427][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499429][T10640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.499430][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499432][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.499433][T10640]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.499435][T10640]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.499437][T10640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.499439][T10640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.499440][T10640]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.499443][T10640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.499444][T10640]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.499447][T10640]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.499450][T10640]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.499451][T10640]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.499454][T10640]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.499455][T10640]  ? __sys_sendmsg (net/socket.c:2799)
[   88.499457][T10640]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.499460][T10640]  _printk (kernel/printk/printk.c:2504)
[   88.499464][T10640]  ? snapshot_read.cold (user.c:?)
[   88.499466][T10640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   88.499469][T10640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   88.499470][T10640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   88.499472][T10640]  ? netdev_notice (net/core/dev.c:13194)
[   88.499474][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499476][T10640]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   88.499477][T10640]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   88.499480][T10640]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   88.499481][T10640]  ? 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)
[   88.499484][T10640]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   88.499487][T10640]  dev_set_allmulti (net/core/dev_api.c:315)
[   88.499489][T10640] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   88.499502][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.499506][T10640]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.499508][T10640] br_del_if (net/bridge/br_if.c:732) bridge
[   88.499516][T10640]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.499518][T10640]  do_set_master (net/core/rtnetlink.c:3055)
[   88.499520][T10640]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   88.499523][T10640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.499525][T10640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.499526][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499528][T10640]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.499532][T10640]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.499535][T10640]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.499536][T10640]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.499537][T10640]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.499539][T10640]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.499540][T10640]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.499541][T10640]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.499542][T10640]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.499544][T10640]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.499545][T10640]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.499546][T10640]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.499548][T10640]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.499549][T10640]  ? __sys_sendmsg (net/socket.c:2799)
[   88.499550][T10640]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.499551][T10640]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.499554][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499556][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499557][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499559][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499561][T10640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.499563][T10640]  ? __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)
[   88.499565][T10640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.499566][T10640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.499568][T10640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.499569][T10640]  ? nla_get_range_signed (lib/nlattr.c:270)
[   88.499571][T10640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.499573][T10640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.499575][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499577][T10640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.499578][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499579][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499581][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.499583][T10640]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.499585][T10640]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.499586][T10640]  ? __kernel_text_address (kernel/extable.c:79)
[   88.499587][T10640]  ? write_profile (profile.c:?)
[   88.499588][T10640]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.499591][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499592][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499594][T10640]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.499597][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499599][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499600][T10640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.499602][T10640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.499603][T10640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.499605][T10640]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.499606][T10640]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.499608][T10640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.499610][T10640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.499611][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.499612][T10640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.499614][T10640]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.499616][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499618][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.499620][T10640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.499622][T10640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.499623][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499625][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499627][T10640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.499628][T10640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.499630][T10640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.499632][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499634][T10640]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.499636][T10640]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.499637][T10640]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.499639][T10640]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.499640][T10640]  ? move_addr_to_kernel (net/socket.c:258)
[   88.499642][T10640]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.499644][T10640]  ___sys_sendmsg (net/socket.c:2767)
[   88.499646][T10640]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.499650][T10640]  __sys_sendmsg (net/socket.c:2799)
[   88.499652][T10640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.499655][T10640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.499657][T10640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.499658][T10640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.499660][T10640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.499662][T10640] RIP: 0033:0x7ff6889ae54e
[   88.499664][T10640] 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
[   88.499665][T10640] RSP: 002b:00007ffcb065a240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.499669][T10640] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6889ae54e
[   88.499671][T10640] RDX: 0000000000000000 RSI: 00007ffcb065a2f0 RDI: 0000000000000005
[   88.499672][T10640] RBP: 00007ffcb065a250 R08: 0000000000000000 R09: 0000000000000000
[   88.499672][T10640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91884e
[   88.499673][T10640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb065a9b0
| [  102.551357][T12705] softirqs last disabled at (0): 0x0
| [  102.551359][T12705] Preemption disabled at:
| [  102.551360][T12705] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.551371][T12705] Tainted: [W]=WARN
[  102.551372][T12705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.551374][T12705] Call Trace:
[  102.551375][T12705]  <TASK>
[  102.551376][T12705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.551382][T12705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.551384][T12705]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.551387][T12705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.551390][T12705]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  102.551394][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551398][T12705]  __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))
[  102.551400][T12705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.551403][T12705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.551407][T12705]  ? 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)
[  102.551409][T12705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.551411][T12705]  put_chars (drivers/char/virtio_console.c:1176)
[  102.551413][T12705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.551414][T12705]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  102.551417][T12705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.551420][T12705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.551421][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551423][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551425][T12705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.551428][T12705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.551430][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551431][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551433][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551434][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551436][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  102.551438][T12705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.551440][T12705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.551443][T12705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.551445][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551446][T12705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.551448][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551449][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.551451][T12705]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  102.551452][T12705]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  102.551454][T12705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.551456][T12705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.551458][T12705]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.551460][T12705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.551462][T12705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.551465][T12705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.551468][T12705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.551469][T12705]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  102.551472][T12705]  ? ___sys_sendmsg (net/socket.c:2767)
[  102.551473][T12705]  ? __sys_sendmsg (net/socket.c:2799)
[  102.551475][T12705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.551478][T12705]  _printk (kernel/printk/printk.c:2504)
[  102.551482][T12705]  ? snapshot_read.cold (user.c:?)
[  102.551484][T12705]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.551487][T12705]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.551489][T12705]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.551491][T12705]  ? netdev_notice (net/core/dev.c:13194)
[  102.551492][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551494][T12705]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  102.551496][T12705]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  102.551499][T12705]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  102.551500][T12705]  ? 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)
[  102.551503][T12705]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  102.551505][T12705]  dev_set_allmulti (net/core/dev_api.c:315)
[  102.551508][T12705] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  102.551521][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  102.551524][T12705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  102.551527][T12705] br_del_if (net/bridge/br_if.c:732) bridge
[  102.551534][T12705]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  102.551536][T12705]  do_set_master (net/core/rtnetlink.c:3055)
[  102.551539][T12705]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  102.551541][T12705]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  102.551544][T12705]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  102.551545][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551547][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  102.551551][T12705]  ? kasan_save_stack (mm/kasan/common.c:58)
[  102.551553][T12705]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.551555][T12705]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.551556][T12705]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.551557][T12705]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  102.551559][T12705]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  102.551560][T12705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.551561][T12705]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.551562][T12705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.551564][T12705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.551565][T12705]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  102.551566][T12705]  ? ___sys_sendmsg (net/socket.c:2767)
[  102.551567][T12705]  ? __sys_sendmsg (net/socket.c:2799)
[  102.551569][T12705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.551570][T12705]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.551572][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551574][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551575][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551577][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551579][T12705]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  102.551581][T12705]  ? __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)
[  102.551583][T12705]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  102.551584][T12705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.551586][T12705]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  102.551587][T12705]  ? nla_get_range_signed (lib/nlattr.c:270)
[  102.551589][T12705]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  102.551591][T12705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.551593][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551595][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.551596][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551598][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551600][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  102.551601][T12705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  102.551603][T12705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  102.551604][T12705]  ? __kernel_text_address (kernel/extable.c:79)
[  102.551606][T12705]  ? write_profile (profile.c:?)
[  102.551607][T12705]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  102.551609][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551611][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551613][T12705]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  102.551616][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551617][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551619][T12705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.551621][T12705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.551622][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.551624][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  102.551625][T12705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  102.551627][T12705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.551629][T12705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.551630][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.551632][T12705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.551633][T12705]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  102.551635][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551637][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.551639][T12705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.551641][T12705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.551642][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551644][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551646][T12705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.551647][T12705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.551649][T12705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.551651][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551653][T12705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.551654][T12705]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  102.551656][T12705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.551658][T12705]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  102.551659][T12705]  ? move_addr_to_kernel (net/socket.c:258)
[  102.551661][T12705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  102.551663][T12705]  ___sys_sendmsg (net/socket.c:2767)
[  102.551665][T12705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.551670][T12705]  __sys_sendmsg (net/socket.c:2799)
[  102.551672][T12705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.551674][T12705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.551676][T12705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.551678][T12705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.551680][T12705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.551681][T12705] RIP: 0033:0x7f27b6ef254e
[  102.551683][T12705] 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
[  102.551685][T12705] RSP: 002b:00007ffdd6e43c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.551688][T12705] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f27b6ef254e
[  102.551690][T12705] RDX: 0000000000000000 RSI: 00007ffdd6e43d30 RDI: 0000000000000005
[  102.551691][T12705] RBP: 00007ffdd6e43c90 R08: 0000000000000000 R09: 0000000000000000
[  102.551691][T12705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91885c
[  102.551692][T12705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6e443f0
| [  116.356120][T14770] softirqs last disabled at (0): 0x0
| [  116.356122][T14770] Preemption disabled at:
| [  116.356123][T14770] vprintk_emit (kernel/printk/printk.c:2471)
| [  116.356137][T14770] Tainted: [W]=WARN
[  116.356138][T14770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  116.356140][T14770] Call Trace:
[  116.356141][T14770]  <TASK>
[  116.356142][T14770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  116.356148][T14770]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  116.356150][T14770]  __might_resched.cold (kernel/sched/core.c:9234)
[  116.356154][T14770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  116.356157][T14770]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  116.356160][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356164][T14770]  __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))
[  116.356167][T14770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  116.356170][T14770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.356173][T14770]  ? 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)
[  116.356175][T14770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  116.356177][T14770]  put_chars (drivers/char/virtio_console.c:1176)
[  116.356179][T14770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  116.356180][T14770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  116.356183][T14770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  116.356186][T14770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  116.356188][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356189][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356192][T14770]  console_emit_next_record (kernel/printk/printk.c:3183)
[  116.356194][T14770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  116.356196][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356198][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356200][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356201][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356203][T14770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  116.356205][T14770]  console_flush_one_record (kernel/printk/printk.c:3268)
[  116.356207][T14770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  116.356210][T14770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  116.356211][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356213][T14770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  116.356215][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356216][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.356218][T14770]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  116.356219][T14770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  116.356221][T14770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  116.356223][T14770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  116.356225][T14770]  vprintk_emit (kernel/printk/printk.c:2479)
[  116.356227][T14770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  116.356229][T14770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  116.356232][T14770]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.356235][T14770]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.356236][T14770]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.356245][T14770]  ? ___sys_sendmsg (net/socket.c:2767)
[  116.356246][T14770]  ? __sys_sendmsg (net/socket.c:2799)
[  116.356248][T14770]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.356251][T14770]  _printk (kernel/printk/printk.c:2504)
[  116.356255][T14770]  ? snapshot_read.cold (user.c:?)
[  116.356257][T14770]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  116.356260][T14770]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  116.356261][T14770]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  116.356263][T14770]  ? netdev_notice (net/core/dev.c:13194)
[  116.356265][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356267][T14770]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  116.356268][T14770]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  116.356271][T14770]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  116.356272][T14770]  ? 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)
[  116.356275][T14770]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  116.356278][T14770]  dev_set_allmulti (net/core/dev_api.c:315)
[  116.356280][T14770] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  116.356293][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  116.356297][T14770]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  116.356299][T14770] br_del_if (net/bridge/br_if.c:732) bridge
[  116.356307][T14770]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  116.356309][T14770]  do_set_master (net/core/rtnetlink.c:3055)
[  116.356312][T14770]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  116.356314][T14770]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  116.356317][T14770]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  116.356318][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356320][T14770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  116.356324][T14770]  ? kasan_save_stack (mm/kasan/common.c:58)
[  116.356326][T14770]  ? kasan_save_stack (mm/kasan/common.c:57)
[  116.356328][T14770]  ? kasan_save_track (mm/kasan/common.c:78)
[  116.356329][T14770]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  116.356331][T14770]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  116.356332][T14770]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  116.356333][T14770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  116.356334][T14770]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.356335][T14770]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.356337][T14770]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.356338][T14770]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.356339][T14770]  ? ___sys_sendmsg (net/socket.c:2767)
[  116.356341][T14770]  ? __sys_sendmsg (net/socket.c:2799)
[  116.356342][T14770]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.356343][T14770]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.356346][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356348][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356349][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356351][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356353][T14770]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  116.356355][T14770]  ? __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)
[  116.356357][T14770]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  116.356358][T14770]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  116.356360][T14770]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  116.356361][T14770]  ? nla_get_range_signed (lib/nlattr.c:270)
[  116.356364][T14770]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  116.356366][T14770]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  116.356367][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356369][T14770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  116.356370][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356372][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356374][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  116.356375][T14770]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  116.356377][T14770]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  116.356379][T14770]  ? __kernel_text_address (kernel/extable.c:79)
[  116.356380][T14770]  ? write_profile (profile.c:?)
[  116.356381][T14770]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  116.356383][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356385][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356387][T14770]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  116.356390][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356392][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356393][T14770]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  116.356395][T14770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  116.356396][T14770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.356398][T14770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.356399][T14770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  116.356401][T14770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  116.356403][T14770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  116.356404][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.356406][T14770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  116.356407][T14770]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  116.356409][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356411][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.356413][T14770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  116.356415][T14770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  116.356416][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356418][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356420][T14770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  116.356422][T14770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  116.356423][T14770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  116.356425][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356427][T14770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  116.356429][T14770]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  116.356430][T14770]  ? copy_msghdr_from_user (net/socket.c:2650)
[  116.356432][T14770]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  116.356434][T14770]  ? move_addr_to_kernel (net/socket.c:258)
[  116.356435][T14770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  116.356437][T14770]  ___sys_sendmsg (net/socket.c:2767)
[  116.356439][T14770]  ? copy_msghdr_from_user (net/socket.c:2619)
[  116.356444][T14770]  __sys_sendmsg (net/socket.c:2799)
[  116.356446][T14770]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  116.356449][T14770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  116.356451][T14770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  116.356452][T14770]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  116.356454][T14770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  116.356456][T14770] RIP: 0033:0x7ff586f1a54e
[  116.356457][T14770] 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
[  116.356459][T14770] RSP: 002b:00007ffca176e360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  116.356463][T14770] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff586f1a54e
[  116.356464][T14770] RDX: 0000000000000000 RSI: 00007ffca176e410 RDI: 0000000000000005
[  116.356465][T14770] RBP: 00007ffca176e370 R08: 0000000000000000 R09: 0000000000000000
[  116.356466][T14770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91886a


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
netlink_release: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
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars