======================================
| [    9.827162][  T192] softirqs last disabled at (28050): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.827164][  T192] Preemption disabled at:
| [    9.827165][  T192] 0x0
| [    9.827176][  T192] Tainted: [W]=WARN
[    9.827177][  T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.827179][  T192] Call Trace:
[    9.827180][  T192]  <TASK>
[    9.827182][  T192]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.827188][  T192]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.827193][  T192]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.827197][  T192]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.827202][  T192]  __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))
[    9.827205][  T192]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.827210][  T192]  ? 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)
[    9.827213][  T192]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.827216][  T192]  put_chars (drivers/char/virtio_console.c:1176)
[    9.827219][  T192]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.827221][  T192]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.827225][  T192]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.827230][  T192]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.827236][  T192]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.827238][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.827246][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.827250][  T192]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.827257][  T192]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.827259][  T192]  ? 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))
[    9.827262][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.827264][  T192]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.827268][  T192]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.827272][  T192]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.827274][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.827279][  T192]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.827282][  T192]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.827283][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.827286][  T192]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.827289][  T192]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.827291][  T192]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.827294][  T192]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.827298][  T192]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.827301][  T192]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.827305][  T192]  _printk (kernel/printk/printk.c:2504)
[    9.827308][  T192]  ? snapshot_read.cold (user.c:?)
[    9.827311][  T192]  ? 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)
[    9.827314][  T192]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.827317][  T192]  ? 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)
[    9.827320][  T192]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.827324][  T192]  ? exit_notify (kernel/exit.c:780)
[    9.827326][  T192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.827329][  T192]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.827333][  T192]  do_group_exit (kernel/exit.c:1151)
[    9.827335][  T192]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.827337][  T192]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.827339][  T192]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.827342][  T192]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.827345][  T192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.827348][  T192] RIP: 0033:0x7ff2949311b8
[    9.827350][  T192] Code: Unable to access opcode bytes at 0x7ff29493118e.

Code starting with the faulting instruction
===========================================
[    9.827351][  T192] RSP: 002b:00007ffd0d7aff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.827353][  T192] RAX: ffffffffffffffda RBX: 00007ff294a61f88 RCX: 00007ff2949311b8
[    9.827355][  T192] RDX: 00007ff29467bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.827356][  T192] RBP: 00007ffd0d7affa0 R08: 0000000000000000 R09: 0000000000008010
[    9.827357][  T192] R10: 00007ffd0d7afd60 R11: 0000000000000246 R12: 0000000000000001
[    9.827357][  T192] R13: 0000000000000000 R14: 00007ff294a60680 R15: 00007ff294a61fa0
| [   11.870348][  T314] softirqs last disabled at (22617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.870351][  T314] Preemption disabled at:
| [   11.870352][  T314] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.870363][  T314] Tainted: [W]=WARN
[   11.870364][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.870367][  T314] Call Trace:
[   11.870369][  T314]  <TASK>
[   11.870371][  T314]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.870378][  T314]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.870381][  T314]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.870387][  T314]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.870392][  T314]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.870400][  T314]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.870403][  T314]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.870412][  T314]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.870415][  T314]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.870420][  T314]  put_chars (drivers/char/virtio_console.c:1176)
[   11.870423][  T314]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.870426][  T314]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.870431][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.870435][  T314]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.870442][  T314]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.870446][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.870448][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.870456][  T314]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.870458][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.870463][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.870467][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.870474][  T314]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.870479][  T314]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.870482][  T314]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.870487][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.870491][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.870497][  T314]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.870504][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.870506][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.870515][  T314]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.870519][  T314]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.870522][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.870525][  T314]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.870531][  T314]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.870533][  T314]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.870539][  T314]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.870545][  T314]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.870554][  T314]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   11.870559][  T314]  _printk (kernel/printk/printk.c:2504)
[   11.870564][  T314]  ? snapshot_read.cold (user.c:?)
[   11.870569][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.870573][  T314]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.870577][  T314]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.870582][  T314]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   11.870586][  T314]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.870591][  T314] gact_init_module (net/sched/act_gact.c:180) act_gact
[   11.870595][  T314]  do_one_initcall (init/main.c:1357)
[   11.870599][  T314]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.870606][  T314]  ? __asan_register_globals (mm/kasan/generic.c:243)
[   11.870611][  T314]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.870617][  T314]  do_init_module (kernel/module/main.c:3117)
[   11.870625][  T314]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.870628][  T314]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.870633][  T314]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.870640][  T314]  load_module (kernel/module/main.c:3593)
[   11.870652][  T314]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.870659][  T314]  ? __ia32_sys_fsconfig (??:?)
[   11.870662][  T314]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.870668][  T314]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.870672][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.870678][  T314]  init_module_from_file (kernel/module/main.c:3790)
[   11.870683][  T314]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.870697][  T314]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.870703][  T314]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.870707][  T314]  idempotent_init_module (kernel/module/main.c:3802)
[   11.870713][  T314]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.870723][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.870727][  T314]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.870736][  T314]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.870739][  T314]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.870743][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.870745][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.870750][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.870753][  T314] RIP: 0033:0x7f9eb9b9e37d
[   11.870758][  T314] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.870760][  T314] RSP: 002b:00007ffd3c9a47f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.870766][  T314] RAX: ffffffffffffffda RBX: 0000556a3b481810 RCX: 00007f9eb9b9e37d
[   11.870767][  T314] RDX: 0000000000000000 RSI: 0000556a09928ffd RDI: 0000000000000000
[   11.870769][  T314] RBP: 00007ffd3c9a4890 R08: 0000000000000000 R09: 0000000000000000
[   11.870770][  T314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556a09928ffd
[   11.870771][  T314] R13: 0000556a3b481960 R14: 0000000000040000 R15: 0000000000000000
| [   13.042958][  T422] softirqs last disabled at (14341): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.042962][  T422] Preemption disabled at:
| [   13.042963][  T422] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.042975][  T422] Tainted: [W]=WARN
[   13.042976][  T422] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.042978][  T422] Call Trace:
[   13.042980][  T422]  <TASK>
[   13.042983][  T422]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.042990][  T422]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.042993][  T422]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.042999][  T422]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.043005][  T422]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.043012][  T422]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.043016][  T422]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.043025][  T422]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.043028][  T422]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.043034][  T422]  put_chars (drivers/char/virtio_console.c:1176)
[   13.043036][  T422]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.043040][  T422]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.043045][  T422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.043050][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.043054][  T422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.043060][  T422]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.043065][  T422]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.043067][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043070][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043077][  T422]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.043080][  T422]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.043086][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043090][  T422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.043097][  T422]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.043103][  T422]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.043106][  T422]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.043111][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043115][  T422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.043122][  T422]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.043129][  T422]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.043132][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043141][  T422]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.043146][  T422]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.043149][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043152][  T422]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.043159][  T422]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.043162][  T422]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.043167][  T422]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.043174][  T422]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.043178][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.043183][  T422]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.043189][  T422]  _printk (kernel/printk/printk.c:2504)
[   13.043194][  T422]  ? snapshot_read.cold (user.c:?)
[   13.043201][  T422]  ? br_multicast_flood (??:?) bridge
[   13.043220][  T422]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.043223][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.043224][  T422]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.043233][  T422] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.043259][  T422] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.043275][  T422] new_nbp (net/bridge/br_if.c:449) bridge
[   13.043292][  T422] br_add_if (net/bridge/br_if.c:592) bridge
[   13.043305][  T422]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.043310][  T422]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.043314][  T422]  ? __kernel_text_address (kernel/extable.c:79)
[   13.043322][  T422]  do_set_master (net/core/rtnetlink.c:3071)
[   13.043329][  T422]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.043335][  T422]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.043339][  T422]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.043341][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.043344][  T422]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.043349][  T422]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.043353][  T422]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.043356][  T422]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.043360][  T422]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.043364][  T422]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.043367][  T422]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.043371][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043374][  T422]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.043378][  T422]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.043385][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.043389][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.043393][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043397][  T422]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.043399][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043402][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043406][  T422]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.043411][  T422]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.043415][  T422]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.043419][  T422]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.043425][  T422]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.043428][  T422]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.043437][  T422]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.043447][  T422]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.043457][  T422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.043460][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043468][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.043471][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.043475][  T422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.043478][  T422]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.043484][  T422]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.043488][  T422]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.043494][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.043496][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043504][  T422]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.043507][  T422]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.043513][  T422]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.043516][  T422]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.043521][  T422]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.043533][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.043535][  T422]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.043543][  T422]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.043550][  T422]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.043555][  T422]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.043562][  T422]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.043569][  T422]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.043576][  T422]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.043585][  T422]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.043588][  T422]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.043592][  T422]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.043594][  T422]  ? move_addr_to_kernel (net/socket.c:258)
[   13.043608][  T422]  ___sys_sendmsg (net/socket.c:2767)
[   13.043613][  T422]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.043644][  T422]  __sys_sendmsg (net/socket.c:2799)
[   13.043649][  T422]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.043660][  T422]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.043667][  T422]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.043670][  T422]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.043675][  T422]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.043678][  T422] RIP: 0033:0x7f115e96854e
[   13.043683][  T422] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.043685][  T422] RSP: 002b:00007ffd8deefd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.043689][  T422] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f115e96854e
[   13.043691][  T422] RDX: 0000000000000000 RSI: 00007ffd8deefe30 RDI: 0000000000000005
[   13.043693][  T422] RBP: 00007ffd8deefd90 R08: 0000000000000000 R09: 0000000000000000
[   13.043694][  T422] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e177
[   13.043696][  T422] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8def04f0
| [   28.023356][    C0] softirqs last disabled at (11165): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.023358][    C0] Preemption disabled at:
| [   28.023359][    C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   28.023368][    C0] Tainted: [W]=WARN
[   28.023368][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.023370][    C0] Call Trace:
[   28.023372][    C0]  <IRQ>
[   28.023373][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.023378][    C0]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   28.023380][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.023383][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.023387][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.023389][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023393][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.023395][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.023398][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.023402][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.023403][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.023405][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.023407][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.023409][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.023412][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.023415][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.023417][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023418][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.023421][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.023423][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.023425][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023427][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023428][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.023430][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.023432][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.023434][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.023437][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.023438][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.023440][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.023441][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023443][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.023444][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.023446][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.023448][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.023450][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.023453][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.023454][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023456][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.023458][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.023461][    C0]  ? snapshot_read.cold (user.c:?)
[   28.023463][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   28.023467][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.023469][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.023470][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.023473][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.023476][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.023477][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.023479][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.023481][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.023483][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.023495][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023497][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.023498][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.023505][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.023506][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.023512][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.023518][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.023524][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.023528][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.023529][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.023533][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.023534][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.023536][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.023538][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.023540][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.023546][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.023548][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.023551][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.023553][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.023555][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.023557][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023558][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.023560][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.023562][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.023564][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.023565][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.023567][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.023569][    C0]  </IRQ>
[   28.023570][    C0]  <TASK>
[   28.023571][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.023573][    C0] RIP: 0010:lock_release (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5933 kernel/locking/lockdep.c:5916)
[   28.023575][    C0] Code: a0 38 04 83 f8 01 0f 85 fc 00 00 00 9c 58 f6 c4 02 0f 85 11 01 00 00 41 f7 c7 00 02 00 00 0f 84 c7 00 00 00 fb 4c 8b 7c 24 18 <48> 8b 5c 24 08 4c 8b 74 24 10 48 83 c4 20 c3 65 8b 05 36 5b 38 04
All code
========
   0:	a0 38 04 83 f8 01 0f 	movabs 0xfc850f01f8830438,%al
   7:	85 fc 
   9:	00 00                	add    %al,(%rax)
   b:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  12:	85 11                	test   %edx,(%rcx)
  14:	01 00                	add    %eax,(%rax)
  16:	00 41 f7             	add    %al,-0x9(%rcx)
  19:	c7 00 02 00 00 0f    	movl   $0xf000002,(%rax)
  1f:	84 c7                	test   %al,%bh
  21:	00 00                	add    %al,(%rax)
  23:	00 fb                	add    %bh,%bl
  25:	4c 8b 7c 24 18       	mov    0x18(%rsp),%r15
  2a:*	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx		<-- trapping instruction
  2f:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
  34:	48 83 c4 20          	add    $0x20,%rsp
  38:	c3                   	ret
  39:	65 8b 05 36 5b 38 04 	mov    %gs:0x4385b36(%rip),%eax        # 0x4385b76

Code starting with the faulting instruction
===========================================
   0:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
   5:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
   a:	48 83 c4 20          	add    $0x20,%rsp
   e:	c3                   	ret
   f:	65 8b 05 36 5b 38 04 	mov    %gs:0x4385b36(%rip),%eax        # 0x4385b4c
[   28.023577][    C0] RSP: 0018:ffa0000001e46cb0 EFLAGS: 00000206
[   28.023580][    C0] RAX: 0000000000000046 RBX: ffffffffaad80b00 RCX: 0000000000000001
[   28.023581][    C0] RDX: 0000000000000000 RSI: ffffffffaa821b3b RDI: ffffffffaa28d8e0
[   28.023582][    C0] RBP: ffa0000001e472b8 R08: ffffffffab9ce436 R09: ffffffffab785fa8
[   28.023583][    C0] R10: 0000000000000000 R11: 0000000000000005 R12: ffa0000001e47201
[   28.023584][    C0] R13: ffa0000001e46dd8 R14: ffffffffa7956bb1 R15: ff1100000912d548
[   28.023585][    C0]  ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   28.023589][    C0]  unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   28.023590][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.023593][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   28.023595][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.023596][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   28.023598][    C0]  ? write_profile (profile.c:?)
[   28.023600][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.023602][    C0]  ? __split_vma (mm/vma.c:560)
[   28.023605][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.023606][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.023608][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   28.023610][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   28.023612][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.023614][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.023615][    C0]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   28.023617][    C0]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   28.023618][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   28.023620][    C0]  ? __create_object (mm/kmemleak.c:801)
[   28.023622][    C0]  ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5010)
[   28.023623][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.023628][    C0]  kasan_save_track (mm/kasan/common.c:78)
[   28.023629][    C0]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   28.023631][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   28.023633][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   28.023635][    C0]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   28.023637][    C0]  __create_object (mm/kmemleak.c:801)
[   28.023638][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.023640][    C0]  kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5010)
[   28.023642][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.023644][    C0]  vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.023645][    C0]  __split_vma (mm/vma.c:560)
[   28.023647][    C0]  ? vma_complete (mm/vma.c:329)
[   28.023649][    C0]  ? mas_next_slot (./include/linux/lockdep.h:249 lib/maple_tree.c:670 lib/maple_tree.c:676 lib/maple_tree.c:4265)
[   28.023653][    C0]  vms_gather_munmap_vmas (mm/vma.c:1528)
[   28.023655][    C0]  ? __split_vma (./include/linux/pagemap.h:1080)
[   28.023657][    C0]  ? mas_walk (lib/maple_tree.c:3013 lib/maple_tree.c:4458)
[   28.023660][    C0]  __mmap_setup (mm/vma.c:2538)
[   28.023663][    C0]  ? unmap_region (mm/vma.c:536)
[   28.023664][    C0]  ? perf_event_mmap (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/events/core.c:9994)
[   28.023667][    C0]  ? vma_wants_writenotify (mm/vma.c:2211)
[   28.023669][    C0]  ? vma_needs_dirty_tracking (mm/vma.c:2163 (discriminator 2))
[   28.023671][    C0]  ? uprobe_apply (./include/linux/rcupdate_trace.h:135 (discriminator 2))
[   28.023673][    C0]  ? vma_set_page_prot (mm/mmap.c:87)
[   28.023676][    C0]  __mmap_region (mm/vma.c:2861)
[   28.023678][    C0]  ? vma_merge_new_range (./include/linux/mm.h:4474)
[   28.023679][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.023682][    C0]  ? mas_rev_awalk (./include/linux/lockdep.h:249 lib/maple_tree.c:670 lib/maple_tree.c:676 lib/maple_tree.c:709 lib/maple_tree.c:4329)
[   28.023687][    C0]  ? unmapped_area_topdown (./include/linux/mm.h:1688 mm/vma.c:3163)
[   28.023693][    C0]  mmap_region (mm/vma.c:2964)
[   28.023695][    C0]  ? mm_take_all_locks (mm/vma.c:2365)
[   28.023697][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.023699][    C0]  ? __get_unmapped_area (./include/linux/security.h:1188 mm/mmap.c:877)
[   28.023701][    C0]  do_mmap (mm/mmap.c:573)
[   28.023703][    C0]  ? __ia32_sys_brk (mm/mmap.c:117)
[   28.023705][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023707][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.023709][    C0]  ? down_write_killable (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1361 kernel/locking/rwsem.c:1645)
[   28.023710][    C0]  ? down_write (kernel/locking/rwsem.c:1633)
[   28.023712][    C0]  vm_mmap_pgoff (mm/util.c:581)
[   28.023715][    C0]  ? randomize_page (mm/util.c:387)
[   28.023716][    C0]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   28.023720][    C0]  ksys_mmap_pgoff (mm/mmap.c:619)
[   28.023722][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.023723][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.023725][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   28.023726][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.023727][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.023729][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.023730][    C0] RIP: 0033:0x7ff5a88fc91c
[   28.023733][    C0] Code: 1e fa 41 f7 c1 ff 0f 00 00 75 33 55 48 89 e5 41 54 41 89 cc 53 48 89 fb 48 85 ff 74 51 45 89 e2 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 24 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 c7 05
All code
========
   0:	1e                   	(bad)
   1:	fa                   	cli
   2:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   9:	75 33                	jne    0x3e
   b:	55                   	push   %rbp
   c:	48 89 e5             	mov    %rsp,%rbp
   f:	41 54                	push   %r12
  11:	41 89 cc             	mov    %ecx,%r12d
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 51                	je     0x6e
  1d:	45 89 e2             	mov    %r12d,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 24                	ja     0x56
  32:	5b                   	pop    %rbx
  33:	41 5c                	pop    %r12
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 24                	ja     0x2c
   8:	5b                   	pop    %rbx
   9:	41 5c                	pop    %r12
   b:	5d                   	pop    %rbp
   c:	c3                   	ret
   d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   28.023734][    C0] RSP: 002b:00007fff0479ce00 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   28.023735][    C0] RAX: ffffffffffffffda RBX: 00007ff5a8533000 RCX: 00007ff5a88fc91c
[   28.023736][    C0] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00007ff5a8533000
[   28.023737][    C0] RBP: 00007fff0479ce10 R08: 0000000000000005 R09: 000000000002b000
[   28.023738][    C0] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812
[   28.023739][    C0] R13: 00007fff0479ce90 R14: 00007fff0479d290 R15: 000000000002afa8
| [   28.108603][    C0]
| [   28.108680][    C0]
| [   28.108680][    C0] stack backtrace:
| [   28.108935][    C0] Tainted: [W]=WARN
[   28.108936][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.108937][    C0] Call Trace:
[   28.108938][    C0]  <IRQ>
[   28.108939][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.108944][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.108947][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.108950][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.108951][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.108953][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.108955][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.108957][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.108965][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.108968][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.108970][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.108976][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.108978][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.108984][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.108990][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.108996][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.108998][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.109000][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.109004][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.109006][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.109007][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   28.109009][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.109011][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.109018][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.109019][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.109022][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.109024][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.109026][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.109028][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.109030][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.109032][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.109034][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.109036][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.109037][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.109038][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.109040][    C0]  </IRQ>
[   28.109041][    C0]  <TASK>
[   28.109042][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.109044][    C0] RIP: 0010:lock_release (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 ./arch/x86/include/asm/irqflags.h:159 kernel/locking/lockdep.c:5933 kernel/locking/lockdep.c:5916)
[   28.109046][    C0] Code: a0 38 04 83 f8 01 0f 85 fc 00 00 00 9c 58 f6 c4 02 0f 85 11 01 00 00 41 f7 c7 00 02 00 00 0f 84 c7 00 00 00 fb 4c 8b 7c 24 18 <48> 8b 5c 24 08 4c 8b 74 24 10 48 83 c4 20 c3 65 8b 05 36 5b 38 04
All code
========
   0:	a0 38 04 83 f8 01 0f 	movabs 0xfc850f01f8830438,%al
   7:	85 fc 
   9:	00 00                	add    %al,(%rax)
   b:	00 9c 58 f6 c4 02 0f 	add    %bl,0xf02c4f6(%rax,%rbx,2)
  12:	85 11                	test   %edx,(%rcx)
  14:	01 00                	add    %eax,(%rax)
  16:	00 41 f7             	add    %al,-0x9(%rcx)
  19:	c7 00 02 00 00 0f    	movl   $0xf000002,(%rax)
  1f:	84 c7                	test   %al,%bh
  21:	00 00                	add    %al,(%rax)
  23:	00 fb                	add    %bh,%bl
  25:	4c 8b 7c 24 18       	mov    0x18(%rsp),%r15
  2a:*	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx		<-- trapping instruction
  2f:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
  34:	48 83 c4 20          	add    $0x20,%rsp
  38:	c3                   	ret
  39:	65 8b 05 36 5b 38 04 	mov    %gs:0x4385b36(%rip),%eax        # 0x4385b76

Code starting with the faulting instruction
===========================================
   0:	48 8b 5c 24 08       	mov    0x8(%rsp),%rbx
   5:	4c 8b 74 24 10       	mov    0x10(%rsp),%r14
   a:	48 83 c4 20          	add    $0x20,%rsp
   e:	c3                   	ret
   f:	65 8b 05 36 5b 38 04 	mov    %gs:0x4385b36(%rip),%eax        # 0x4385b4c
[   28.109047][    C0] RSP: 0018:ffa0000001e46cb0 EFLAGS: 00000206
[   28.109050][    C0] RAX: 0000000000000046 RBX: ffffffffaad80b00 RCX: 0000000000000001
[   28.109051][    C0] RDX: 0000000000000000 RSI: ffffffffaa821b3b RDI: ffffffffaa28d8e0
[   28.109052][    C0] RBP: ffa0000001e472b8 R08: ffffffffab9ce436 R09: ffffffffab785fa8
[   28.109053][    C0] R10: 0000000000000000 R11: 0000000000000005 R12: ffa0000001e47201
[   28.109054][    C0] R13: ffa0000001e46dd8 R14: ffffffffa7956bb1 R15: ff1100000912d548
[   28.109055][    C0]  ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   28.109058][    C0]  unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   28.109059][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.109062][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   28.109063][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.109065][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   28.109066][    C0]  ? write_profile (profile.c:?)
[   28.109068][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.109071][    C0]  ? __split_vma (mm/vma.c:560)
[   28.109073][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   28.109074][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   28.109075][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   28.109078][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   28.109080][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   28.109081][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.109083][    C0]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   28.109084][    C0]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   28.109086][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   28.109087][    C0]  ? __create_object (mm/kmemleak.c:801)
[   28.109089][    C0]  ? kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5010)
[   28.109090][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.109095][    C0]  kasan_save_track (mm/kasan/common.c:78)
[   28.109096][    C0]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   28.109098][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   28.109100][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   28.109102][    C0]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   28.109104][    C0]  __create_object (mm/kmemleak.c:801)
[   28.109106][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   28.109107][    C0]  kmem_cache_alloc_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5010)
[   28.109109][    C0]  ? vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.109111][    C0]  vm_area_dup (mm/vma_init.c:128 (discriminator 7))
[   28.109113][    C0]  __split_vma (mm/vma.c:560)
[   28.109115][    C0]  ? vma_complete (mm/vma.c:329)
[   28.109117][    C0]  ? mas_next_slot (./include/linux/lockdep.h:249 lib/maple_tree.c:670 lib/maple_tree.c:676 lib/maple_tree.c:4265)
[   28.109120][    C0]  vms_gather_munmap_vmas (mm/vma.c:1528)
[   28.109123][    C0]  ? __split_vma (./include/linux/pagemap.h:1080)
[   28.109125][    C0]  ? mas_walk (lib/maple_tree.c:3013 lib/maple_tree.c:4458)
[   28.109127][    C0]  __mmap_setup (mm/vma.c:2538)
[   28.109130][    C0]  ? unmap_region (mm/vma.c:536)
[   28.109132][    C0]  ? perf_event_mmap (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 kernel/events/core.c:9994)
[   28.109134][    C0]  ? vma_wants_writenotify (mm/vma.c:2211)
[   28.109136][    C0]  ? vma_needs_dirty_tracking (mm/vma.c:2163 (discriminator 2))
[   28.109138][    C0]  ? uprobe_apply (./include/linux/rcupdate_trace.h:135 (discriminator 2))
[   28.109141][    C0]  ? vma_set_page_prot (mm/mmap.c:87)
[   28.109142][    C0]  __mmap_region (mm/vma.c:2861)
[   28.109144][    C0]  ? vma_merge_new_range (./include/linux/mm.h:4474)
[   28.109146][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   28.109149][    C0]  ? mas_rev_awalk (./include/linux/lockdep.h:249 lib/maple_tree.c:670 lib/maple_tree.c:676 lib/maple_tree.c:709 lib/maple_tree.c:4329)
[   28.109153][    C0]  ? unmapped_area_topdown (./include/linux/mm.h:1688 mm/vma.c:3163)
[   28.109160][    C0]  mmap_region (mm/vma.c:2964)
[   28.109162][    C0]  ? mm_take_all_locks (mm/vma.c:2365)
[   28.109164][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.109166][    C0]  ? __get_unmapped_area (./include/linux/security.h:1188 mm/mmap.c:877)
[   28.109168][    C0]  do_mmap (mm/mmap.c:573)
[   28.109170][    C0]  ? __ia32_sys_brk (mm/mmap.c:117)
[   28.109172][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.109174][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.109175][    C0]  ? down_write_killable (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1361 kernel/locking/rwsem.c:1645)
[   28.109177][    C0]  ? down_write (kernel/locking/rwsem.c:1633)
[   28.109179][    C0]  vm_mmap_pgoff (mm/util.c:581)
[   28.109181][    C0]  ? randomize_page (mm/util.c:387)
[   28.109183][    C0]  ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100)
[   28.109186][    C0]  ksys_mmap_pgoff (mm/mmap.c:619)
[   28.109188][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.109190][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.109191][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   28.109192][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   28.109194][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   28.109195][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   28.109197][    C0] RIP: 0033:0x7ff5a88fc91c
[   28.109199][    C0] Code: 1e fa 41 f7 c1 ff 0f 00 00 75 33 55 48 89 e5 41 54 41 89 cc 53 48 89 fb 48 85 ff 74 51 45 89 e2 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 24 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 c7 05
All code
========
   0:	1e                   	(bad)
   1:	fa                   	cli
   2:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   9:	75 33                	jne    0x3e
   b:	55                   	push   %rbp
   c:	48 89 e5             	mov    %rsp,%rbp
   f:	41 54                	push   %r12
  11:	41 89 cc             	mov    %ecx,%r12d
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 51                	je     0x6e
  1d:	45 89 e2             	mov    %r12d,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 24                	ja     0x56
  32:	5b                   	pop    %rbx
  33:	41 5c                	pop    %r12
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 24                	ja     0x2c
   8:	5b                   	pop    %rbx
   9:	41 5c                	pop    %r12
   b:	5d                   	pop    %rbp
   c:	c3                   	ret
   d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   28.109200][    C0] RSP: 002b:00007fff0479ce00 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
[   28.109201][    C0] RAX: ffffffffffffffda RBX: 00007ff5a8533000 RCX: 00007ff5a88fc91c
[   28.109202][    C0] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 00007ff5a8533000
[   28.109203][    C0] RBP: 00007fff0479ce10 R08: 0000000000000005 R09: 000000000002b000
[   28.109204][    C0] R10: 0000000000000812 R11: 0000000000000206 R12: 0000000000000812
[   28.109204][    C0] R13: 00007fff0479ce90 R14: 00007fff0479d290 R15: 000000000002afa8
| [   29.374862][  T853] softirqs last disabled at (0): 0x0
| [   29.374864][  T853] Preemption disabled at:
| [   29.374865][  T853] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.374876][  T853] Tainted: [W]=WARN
[   29.374877][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.374879][  T853] Call Trace:
[   29.374880][  T853]  <TASK>
[   29.374882][  T853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.374887][  T853]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.374889][  T853]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.374893][  T853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.374897][  T853]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.374900][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.374904][  T853]  __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))
[   29.374907][  T853]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.374909][  T853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.374913][  T853]  ? 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)
[   29.374915][  T853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.374917][  T853]  put_chars (drivers/char/virtio_console.c:1176)
[   29.374919][  T853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.374921][  T853]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.374923][  T853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.374926][  T853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.374928][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.374929][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.374931][  T853]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.374934][  T853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.374936][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.374938][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.374939][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.374941][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.374943][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.374945][  T853]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.374947][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.374950][  T853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.374951][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.374953][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.374954][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.374956][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.374957][  T853]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.374959][  T853]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.374961][  T853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.374963][  T853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.374965][  T853]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.374967][  T853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.374969][  T853]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.374972][  T853]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.374975][  T853]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.374976][  T853]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.374978][  T853]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.374980][  T853]  ? __sys_sendmsg (net/socket.c:2799)
[   29.374982][  T853]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.374985][  T853]  _printk (kernel/printk/printk.c:2504)
[   29.374988][  T853]  ? snapshot_read.cold (user.c:?)
[   29.374990][  T853]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.374993][  T853]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.374995][  T853]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.374997][  T853]  ? netdev_notice (net/core/dev.c:13194)
[   29.374998][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375000][  T853]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.375002][  T853]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.375004][  T853]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.375005][  T853]  ? 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)
[   29.375008][  T853]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.375011][  T853]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.375013][  T853] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.375026][  T853]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.375030][  T853]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.375032][  T853] br_del_if (net/bridge/br_if.c:732) bridge
[   29.375040][  T853]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.375042][  T853]  do_set_master (net/core/rtnetlink.c:3055)
[   29.375045][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   29.375048][  T853]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.375050][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.375051][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375053][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.375057][  T853]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.375059][  T853]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.375060][  T853]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.375062][  T853]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.375063][  T853]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.375065][  T853]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.375066][  T853]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.375067][  T853]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.375068][  T853]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.375069][  T853]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.375070][  T853]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.375072][  T853]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.375073][  T853]  ? __sys_sendmsg (net/socket.c:2799)
[   29.375075][  T853]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.375076][  T853]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.375078][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375080][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.375081][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375083][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375084][  T853]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.375086][  T853]  ? __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)
[   29.375089][  T853]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.375090][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.375092][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.375093][  T853]  ? nla_get_range_signed (lib/nlattr.c:270)
[   29.375095][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.375097][  T853]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.375099][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375101][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.375102][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.375103][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375105][  T853]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.375107][  T853]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.375108][  T853]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.375110][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   29.375111][  T853]  ? write_profile (profile.c:?)
[   29.375112][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.375115][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375116][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375118][  T853]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.375121][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.375122][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375124][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.375125][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.375127][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.375128][  T853]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.375130][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.375132][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.375133][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.375135][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.375136][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.375137][  T853]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.375140][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375141][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.375143][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.375145][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.375147][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375148][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375150][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.375152][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.375153][  T853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.375155][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375157][  T853]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.375159][  T853]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.375160][  T853]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.375162][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.375163][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   29.375165][  T853]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.375167][  T853]  ___sys_sendmsg (net/socket.c:2767)
[   29.375169][  T853]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.375173][  T853]  __sys_sendmsg (net/socket.c:2799)
[   29.375175][  T853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.375178][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.375180][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.375181][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.375183][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.375185][  T853] RIP: 0033:0x7fca2cf6d54e
[   29.375187][  T853] 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
[   29.375188][  T853] RSP: 002b:00007ffd8d6cbdc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.375192][  T853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fca2cf6d54e
[   29.375194][  T853] RDX: 0000000000000000 RSI: 00007ffd8d6cbe70 RDI: 0000000000000005
[   29.375194][  T853] RBP: 00007ffd8d6cbdd0 R08: 0000000000000000 R09: 0000000000000000
[   29.375195][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e187
[   29.375196][  T853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8d6cc530
| [   46.741079][ T1392] softirqs last disabled at (0): 0x0
| [   46.741081][ T1392] Preemption disabled at:
| [   46.741081][ T1392] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.741093][ T1392] Tainted: [W]=WARN
[   46.741094][ T1392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.741096][ T1392] Call Trace:
[   46.741097][ T1392]  <TASK>
[   46.741099][ T1392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.741104][ T1392]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.741106][ T1392]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.741110][ T1392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.741113][ T1392]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   46.741116][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741120][ T1392]  __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))
[   46.741123][ T1392]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.741125][ T1392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.741129][ T1392]  ? 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)
[   46.741131][ T1392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.741133][ T1392]  put_chars (drivers/char/virtio_console.c:1176)
[   46.741135][ T1392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.741137][ T1392]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   46.741139][ T1392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.741143][ T1392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.741144][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741146][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741148][ T1392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.741150][ T1392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.741152][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741154][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741156][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741157][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741159][ T1392]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.741161][ T1392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.741163][ T1392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.741166][ T1392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.741168][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741169][ T1392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.741171][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741173][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.741174][ T1392]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.741175][ T1392]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.741178][ T1392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.741180][ T1392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.741182][ T1392]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.741184][ T1392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.741186][ T1392]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.741189][ T1392]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.741192][ T1392]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.741193][ T1392]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.741196][ T1392]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.741198][ T1392]  ? __sys_sendmsg (net/socket.c:2799)
[   46.741199][ T1392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.741203][ T1392]  _printk (kernel/printk/printk.c:2504)
[   46.741205][ T1392]  ? snapshot_read.cold (user.c:?)
[   46.741208][ T1392]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.741210][ T1392]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.741212][ T1392]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.741214][ T1392]  ? netdev_notice (net/core/dev.c:13194)
[   46.741216][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741217][ T1392]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   46.741219][ T1392]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   46.741222][ T1392]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   46.741223][ T1392]  ? 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)
[   46.741226][ T1392]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   46.741228][ T1392]  dev_set_allmulti (net/core/dev_api.c:315)
[   46.741231][ T1392] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   46.741251][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.741254][ T1392]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.741259][ T1392] br_del_if (net/bridge/br_if.c:732) bridge
[   46.741267][ T1392]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.741269][ T1392]  do_set_master (net/core/rtnetlink.c:3055)
[   46.741272][ T1392]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   46.741274][ T1392]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.741277][ T1392]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.741278][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741280][ T1392]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.741284][ T1392]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.741286][ T1392]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.741287][ T1392]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.741289][ T1392]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.741290][ T1392]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.741292][ T1392]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   46.741293][ T1392]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.741294][ T1392]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.741295][ T1392]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.741297][ T1392]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.741298][ T1392]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.741299][ T1392]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.741301][ T1392]  ? __sys_sendmsg (net/socket.c:2799)
[   46.741302][ T1392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.741303][ T1392]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.741306][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741307][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741309][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741310][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741312][ T1392]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.741314][ T1392]  ? __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)
[   46.741316][ T1392]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.741318][ T1392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.741319][ T1392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.741321][ T1392]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.741323][ T1392]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.741325][ T1392]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.741327][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741329][ T1392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.741330][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741332][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741334][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   46.741335][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.741337][ T1392]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.741338][ T1392]  ? __kernel_text_address (kernel/extable.c:79)
[   46.741340][ T1392]  ? write_profile (profile.c:?)
[   46.741341][ T1392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.741344][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741345][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741347][ T1392]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.741350][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741352][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741354][ T1392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.741355][ T1392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.741357][ T1392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.741358][ T1392]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.741360][ T1392]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.741362][ T1392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.741364][ T1392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.741365][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.741366][ T1392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.741368][ T1392]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.741370][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741372][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.741374][ T1392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.741376][ T1392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.741377][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741379][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741381][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.741383][ T1392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.741385][ T1392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.741386][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741388][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.741390][ T1392]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.741392][ T1392]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.741393][ T1392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.741395][ T1392]  ? move_addr_to_kernel (net/socket.c:258)
[   46.741396][ T1392]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.741399][ T1392]  ___sys_sendmsg (net/socket.c:2767)
[   46.741401][ T1392]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.741406][ T1392]  __sys_sendmsg (net/socket.c:2799)
[   46.741408][ T1392]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.741410][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.741412][ T1392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.741414][ T1392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.741416][ T1392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.741418][ T1392] RIP: 0033:0x7f2a43e2754e
[   46.741420][ T1392] 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
[   46.741421][ T1392] RSP: 002b:00007ffec7597630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.741425][ T1392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2a43e2754e
[   46.741427][ T1392] RDX: 0000000000000000 RSI: 00007ffec75976e0 RDI: 0000000000000005
[   46.741428][ T1392] RBP: 00007ffec7597640 R08: 0000000000000000 R09: 0000000000000000
[   46.741428][ T1392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e199
[   46.741429][ T1392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec7597da0
| [   61.914647][ T1905] softirqs last disabled at (0): 0x0
| [   61.914649][ T1905] Preemption disabled at:
| [   61.914649][ T1905] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.914660][ T1905] Tainted: [W]=WARN
[   61.914661][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.914663][ T1905] Call Trace:
[   61.914664][ T1905]  <TASK>
[   61.914666][ T1905]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.914671][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.914673][ T1905]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.914677][ T1905]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.914680][ T1905]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   61.914682][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914686][ T1905]  __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))
[   61.914689][ T1905]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   61.914692][ T1905]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.914696][ T1905]  ? 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)
[   61.914697][ T1905]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.914699][ T1905]  put_chars (drivers/char/virtio_console.c:1176)
[   61.914701][ T1905]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.914703][ T1905]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   61.914705][ T1905]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.914709][ T1905]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.914710][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914712][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914714][ T1905]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.914716][ T1905]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.914718][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914720][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914722][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914723][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914725][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   61.914727][ T1905]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.914729][ T1905]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.914732][ T1905]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.914734][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914735][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.914737][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914738][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.914740][ T1905]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.914741][ T1905]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   61.914743][ T1905]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.914745][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.914747][ T1905]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.914749][ T1905]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.914751][ T1905]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.914754][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.914757][ T1905]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.914758][ T1905]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.914761][ T1905]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.914762][ T1905]  ? __sys_sendmsg (net/socket.c:2799)
[   61.914764][ T1905]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.914767][ T1905]  _printk (kernel/printk/printk.c:2504)
[   61.914770][ T1905]  ? snapshot_read.cold (user.c:?)
[   61.914772][ T1905]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.914775][ T1905]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.914776][ T1905]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.914778][ T1905]  ? netdev_notice (net/core/dev.c:13194)
[   61.914780][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914782][ T1905]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   61.914783][ T1905]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   61.914786][ T1905]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   61.914787][ T1905]  ? 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)
[   61.914790][ T1905]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   61.914792][ T1905]  dev_set_allmulti (net/core/dev_api.c:315)
[   61.914795][ T1905] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   61.914807][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.914811][ T1905]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.914813][ T1905] br_del_if (net/bridge/br_if.c:732) bridge
[   61.914821][ T1905]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.914823][ T1905]  do_set_master (net/core/rtnetlink.c:3055)
[   61.914825][ T1905]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.914828][ T1905]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.914830][ T1905]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.914831][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914833][ T1905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.914837][ T1905]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.914839][ T1905]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.914841][ T1905]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.914842][ T1905]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.914844][ T1905]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   61.914845][ T1905]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   61.914846][ T1905]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.914847][ T1905]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.914848][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.914850][ T1905]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.914851][ T1905]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.914852][ T1905]  ? ___sys_sendmsg (net/socket.c:2767)
[   61.914853][ T1905]  ? __sys_sendmsg (net/socket.c:2799)
[   61.914855][ T1905]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.914856][ T1905]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.914858][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914860][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914862][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914863][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914865][ T1905]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.914867][ T1905]  ? __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)
[   61.914869][ T1905]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.914871][ T1905]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.914872][ T1905]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.914873][ T1905]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.914875][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.914877][ T1905]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.914879][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914881][ T1905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.914882][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914884][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914886][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   61.914887][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.914889][ T1905]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.914890][ T1905]  ? __kernel_text_address (kernel/extable.c:79)
[   61.914892][ T1905]  ? write_profile (profile.c:?)
[   61.914893][ T1905]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   61.914895][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914897][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914898][ T1905]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   61.914902][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914903][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914905][ T1905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.914906][ T1905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.914908][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.914909][ T1905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.914910][ T1905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   61.914913][ T1905]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.914914][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.914916][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.914917][ T1905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.914918][ T1905]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   61.914921][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914922][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.914924][ T1905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.914926][ T1905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.914928][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914929][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914931][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.914933][ T1905]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.914935][ T1905]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.914937][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914938][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   61.914940][ T1905]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.914942][ T1905]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.914943][ T1905]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.914945][ T1905]  ? move_addr_to_kernel (net/socket.c:258)
[   61.914946][ T1905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   61.914949][ T1905]  ___sys_sendmsg (net/socket.c:2767)
[   61.914951][ T1905]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.914955][ T1905]  __sys_sendmsg (net/socket.c:2799)
[   61.914957][ T1905]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.914960][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.914962][ T1905]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.914963][ T1905]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.914965][ T1905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.914967][ T1905] RIP: 0033:0x7fe18791054e
[   61.914969][ T1905] 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
[   61.914971][ T1905] RSP: 002b:00007ffe8c7e8a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.914974][ T1905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe18791054e
[   61.914976][ T1905] RDX: 0000000000000000 RSI: 00007ffe8c7e8b10 RDI: 0000000000000005
[   61.914977][ T1905] RBP: 00007ffe8c7e8a70 R08: 0000000000000000 R09: 0000000000000000
[   61.914977][ T1905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e1a8
[   61.914978][ T1905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8c7e91d0
| [   79.593443][ T2442] softirqs last disabled at (0): 0x0
| [   79.593445][ T2442] Preemption disabled at:
| [   79.593446][ T2442] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.593457][ T2442] Tainted: [W]=WARN
[   79.593458][ T2442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.593460][ T2442] Call Trace:
[   79.593461][ T2442]  <TASK>
[   79.593462][ T2442]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.593468][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.593470][ T2442]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.593473][ T2442]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.593476][ T2442]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   79.593479][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593483][ T2442]  __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))
[   79.593487][ T2442]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.593489][ T2442]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.593493][ T2442]  ? 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)
[   79.593494][ T2442]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.593496][ T2442]  put_chars (drivers/char/virtio_console.c:1176)
[   79.593498][ T2442]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.593500][ T2442]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   79.593502][ T2442]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.593506][ T2442]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.593507][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593509][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593511][ T2442]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.593513][ T2442]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.593515][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593517][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593519][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593520][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593522][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   79.593524][ T2442]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.593526][ T2442]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.593528][ T2442]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.593530][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593532][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.593533][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593535][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.593536][ T2442]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   79.593538][ T2442]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   79.593540][ T2442]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.593542][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.593544][ T2442]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.593546][ T2442]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.593548][ T2442]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.593551][ T2442]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.593554][ T2442]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.593555][ T2442]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   79.593558][ T2442]  ? ___sys_sendmsg (net/socket.c:2767)
[   79.593559][ T2442]  ? __sys_sendmsg (net/socket.c:2799)
[   79.593561][ T2442]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.593564][ T2442]  _printk (kernel/printk/printk.c:2504)
[   79.593567][ T2442]  ? snapshot_read.cold (user.c:?)
[   79.593569][ T2442]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.593572][ T2442]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.593574][ T2442]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.593575][ T2442]  ? netdev_notice (net/core/dev.c:13194)
[   79.593577][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593579][ T2442]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   79.593580][ T2442]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   79.593583][ T2442]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   79.593584][ T2442]  ? 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)
[   79.593587][ T2442]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   79.593590][ T2442]  dev_set_allmulti (net/core/dev_api.c:315)
[   79.593592][ T2442] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   79.593605][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.593608][ T2442]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.593611][ T2442] br_del_if (net/bridge/br_if.c:732) bridge
[   79.593617][ T2442]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.593620][ T2442]  do_set_master (net/core/rtnetlink.c:3055)
[   79.593622][ T2442]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   79.593625][ T2442]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   79.593627][ T2442]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   79.593628][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593630][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.593634][ T2442]  ? kasan_save_stack (mm/kasan/common.c:58)
[   79.593636][ T2442]  ? kasan_save_stack (mm/kasan/common.c:57)
[   79.593638][ T2442]  ? kasan_save_track (mm/kasan/common.c:78)
[   79.593639][ T2442]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.593641][ T2442]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   79.593642][ T2442]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   79.593643][ T2442]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.593644][ T2442]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.593646][ T2442]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.593647][ T2442]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.593648][ T2442]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   79.593649][ T2442]  ? ___sys_sendmsg (net/socket.c:2767)
[   79.593651][ T2442]  ? __sys_sendmsg (net/socket.c:2799)
[   79.593652][ T2442]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.593653][ T2442]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.593656][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593658][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593659][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593661][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593662][ T2442]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   79.593664][ T2442]  ? __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)
[   79.593667][ T2442]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.593668][ T2442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.593670][ T2442]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   79.593671][ T2442]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.593673][ T2442]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   79.593675][ T2442]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.593677][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593679][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.593680][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593681][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593683][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   79.593685][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.593687][ T2442]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.593688][ T2442]  ? __kernel_text_address (kernel/extable.c:79)
[   79.593689][ T2442]  ? write_profile (profile.c:?)
[   79.593690][ T2442]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   79.593693][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593694][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593696][ T2442]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   79.593699][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593701][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593702][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.593704][ T2442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.593705][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.593707][ T2442]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.593708][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.593710][ T2442]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.593712][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.593713][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.593714][ T2442]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.593716][ T2442]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   79.593718][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593720][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.593722][ T2442]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.593724][ T2442]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.593725][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593727][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593728][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.593730][ T2442]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.593732][ T2442]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.593734][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593736][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.593737][ T2442]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   79.593739][ T2442]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.593741][ T2442]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   79.593742][ T2442]  ? move_addr_to_kernel (net/socket.c:258)
[   79.593744][ T2442]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.593746][ T2442]  ___sys_sendmsg (net/socket.c:2767)
[   79.593748][ T2442]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.593753][ T2442]  __sys_sendmsg (net/socket.c:2799)
[   79.593754][ T2442]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.593757][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.593759][ T2442]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.593760][ T2442]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.593762][ T2442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.593764][ T2442] RIP: 0033:0x7f20f37c954e
[   79.593766][ T2442] 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
[   79.593768][ T2442] RSP: 002b:00007ffd097302e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.593771][ T2442] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f20f37c954e
[   79.593773][ T2442] RDX: 0000000000000000 RSI: 00007ffd09730390 RDI: 0000000000000005
[   79.593774][ T2442] RBP: 00007ffd097302f0 R08: 0000000000000000 R09: 0000000000000000
[   79.593774][ T2442] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e1ba
[   79.593775][ T2442] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd09730a50
| [   86.933349][ T2602] softirqs last disabled at (0): 0x0
| [   86.933351][ T2602] Preemption disabled at:
| [   86.933352][ T2602] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.933363][ T2602] Tainted: [W]=WARN
[   86.933364][ T2602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.933366][ T2602] Call Trace:
[   86.933368][ T2602]  <TASK>
[   86.933369][ T2602]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.933374][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.933376][ T2602]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.933380][ T2602]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.933383][ T2602]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   86.933385][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933389][ T2602]  __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))
[   86.933392][ T2602]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   86.933395][ T2602]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.933398][ T2602]  ? 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)
[   86.933400][ T2602]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.933402][ T2602]  put_chars (drivers/char/virtio_console.c:1176)
[   86.933404][ T2602]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.933406][ T2602]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   86.933408][ T2602]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.933411][ T2602]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.933412][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933414][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933416][ T2602]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.933419][ T2602]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.933421][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933422][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933424][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933426][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933427][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   86.933429][ T2602]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.933431][ T2602]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.933434][ T2602]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.933436][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933437][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.933439][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933440][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.933442][ T2602]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   86.933443][ T2602]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   86.933445][ T2602]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.933447][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.933449][ T2602]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.933451][ T2602]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.933453][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.933457][ T2602]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.933459][ T2602]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.933461][ T2602]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.933463][ T2602]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.933465][ T2602]  ? __sys_sendmsg (net/socket.c:2799)
[   86.933466][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.933470][ T2602]  _printk (kernel/printk/printk.c:2504)
[   86.933473][ T2602]  ? snapshot_read.cold (user.c:?)
[   86.933475][ T2602]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   86.933478][ T2602]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   86.933479][ T2602]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   86.933481][ T2602]  ? netdev_notice (net/core/dev.c:13194)
[   86.933483][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933485][ T2602]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   86.933486][ T2602]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   86.933488][ T2602]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   86.933490][ T2602]  ? 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)
[   86.933492][ T2602]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   86.933495][ T2602]  dev_set_allmulti (net/core/dev_api.c:315)
[   86.933498][ T2602] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   86.933511][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.933514][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.933517][ T2602] br_del_if (net/bridge/br_if.c:732) bridge
[   86.933524][ T2602]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   86.933526][ T2602]  do_set_master (net/core/rtnetlink.c:3055)
[   86.933529][ T2602]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   86.933531][ T2602]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.933534][ T2602]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.933535][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933537][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.933540][ T2602]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.933543][ T2602]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.933544][ T2602]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.933546][ T2602]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.933547][ T2602]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   86.933548][ T2602]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   86.933550][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.933551][ T2602]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.933552][ T2602]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.933553][ T2602]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.933554][ T2602]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.933556][ T2602]  ? ___sys_sendmsg (net/socket.c:2767)
[   86.933557][ T2602]  ? __sys_sendmsg (net/socket.c:2799)
[   86.933558][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.933560][ T2602]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.933562][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933564][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933565][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933567][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933568][ T2602]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.933570][ T2602]  ? __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)
[   86.933573][ T2602]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.933574][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.933575][ T2602]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.933577][ T2602]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.933579][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.933581][ T2602]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.933583][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933584][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.933586][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933587][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933589][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   86.933591][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   86.933592][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   86.933594][ T2602]  ? __kernel_text_address (kernel/extable.c:79)
[   86.933595][ T2602]  ? write_profile (profile.c:?)
[   86.933596][ T2602]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   86.933598][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933600][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933602][ T2602]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   86.933605][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933607][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933609][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.933610][ T2602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.933612][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.933613][ T2602]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.933614][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   86.933617][ T2602]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.933618][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.933619][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.933621][ T2602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.933622][ T2602]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   86.933624][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933626][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.933628][ T2602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.933630][ T2602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.933632][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933633][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933635][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.933637][ T2602]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.933639][ T2602]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.933640][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933642][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   86.933644][ T2602]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   86.933645][ T2602]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.933647][ T2602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   86.933649][ T2602]  ? move_addr_to_kernel (net/socket.c:258)
[   86.933650][ T2602]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   86.933653][ T2602]  ___sys_sendmsg (net/socket.c:2767)
[   86.933654][ T2602]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.933659][ T2602]  __sys_sendmsg (net/socket.c:2799)
[   86.933661][ T2602]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.933664][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.933666][ T2602]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.933667][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.933669][ T2602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.933671][ T2602] RIP: 0033:0x7ff2b4e5254e
[   86.933673][ T2602] 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
[   86.933674][ T2602] RSP: 002b:00007ffe571a7eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.933678][ T2602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff2b4e5254e
[   86.933680][ T2602] RDX: 0000000000000000 RSI: 00007ffe571a7f60 RDI: 0000000000000005
[   86.933680][ T2602] RBP: 00007ffe571a7ec0 R08: 0000000000000000 R09: 0000000000000000
[   86.933681][ T2602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e1c1


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars