======================================
| [   11.285451][  T247] softirqs last disabled at (20781): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.285453][  T247] Preemption disabled at:
| [   11.285454][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.285464][  T247] Tainted: [W]=WARN
[   11.285465][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.285467][  T247] Call Trace:
[   11.285469][  T247]  <TASK>
[   11.285470][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.285476][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.285478][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.285483][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.285487][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.285492][  T247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.285494][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.285500][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.285503][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.285506][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   11.285509][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.285510][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.285515][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.285518][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.285523][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.285525][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.285530][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.285533][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285538][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.285542][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.285544][  T247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.285547][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285549][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.285554][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.285558][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.285560][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.285565][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.285568][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.285570][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285572][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.285576][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.285577][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.285581][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.285585][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.285591][  T247]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.285595][  T247]  _printk (kernel/printk/printk.c:2504)
[   11.285599][  T247]  ? snapshot_read.cold (user.c:?)
[   11.285605][  T247]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.285608][  T247] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.285611][  T247]  do_one_initcall (init/main.c:1357)
[   11.285614][  T247]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.285619][  T247]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.285622][  T247]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.285627][  T247]  do_init_module (kernel/module/main.c:3117)
[   11.285631][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.285634][  T247]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.285638][  T247]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.285642][  T247]  load_module (kernel/module/main.c:3593)
[   11.285649][  T247]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.285653][  T247]  ? __ia32_sys_fsconfig (??:?)
[   11.285656][  T247]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.285660][  T247]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.285663][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.285667][  T247]  init_module_from_file (kernel/module/main.c:3790)
[   11.285670][  T247]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.285678][  T247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.285682][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.285685][  T247]  idempotent_init_module (kernel/module/main.c:3802)
[   11.285688][  T247]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.285695][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.285697][  T247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.285703][  T247]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.285705][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.285709][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.285710][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.285713][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.285716][  T247] RIP: 0033:0x7fa0f384137d
[   11.285719][  T247] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.285721][  T247] RSP: 002b:00007ffefbc05af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.285724][  T247] RAX: ffffffffffffffda RBX: 0000563c03f75810 RCX: 00007fa0f384137d
[   11.285725][  T247] RDX: 0000000000000000 RSI: 0000563bed182ffd RDI: 0000000000000000
[   11.285726][  T247] RBP: 00007ffefbc05b90 R08: 0000000000000000 R09: 0000000000000000
[   11.285727][  T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563bed182ffd
[   11.285728][  T247] R13: 0000563c03f75960 R14: 0000000000040000 R15: 0000000000000000
| [   12.731907][  T320] softirqs last disabled at (17695): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.731909][  T320] Preemption disabled at:
| [   12.731910][  T320] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.731919][  T320] Tainted: [W]=WARN
[   12.731919][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.731921][  T320] Call Trace:
[   12.731923][  T320]  <TASK>
[   12.731924][  T320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.731930][  T320]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.731932][  T320]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.731936][  T320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.731940][  T320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.731945][  T320]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.731947][  T320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.731953][  T320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.731956][  T320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.731959][  T320]  put_chars (drivers/char/virtio_console.c:1176)
[   12.731961][  T320]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.731963][  T320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.731966][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.731969][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.731974][  T320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.731976][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.731978][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.731983][  T320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.731984][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.731987][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.731990][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.731994][  T320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.731998][  T320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.731999][  T320]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.732003][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.732005][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.732009][  T320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.732013][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.732015][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.732020][  T320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.732023][  T320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.732025][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.732027][  T320]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.732031][  T320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.732032][  T320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.732036][  T320]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.732040][  T320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.732045][  T320]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   12.732048][  T320]  _printk (kernel/printk/printk.c:2504)
[   12.732052][  T320]  ? snapshot_read.cold (user.c:?)
[   12.732058][  T320]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   12.732061][  T320] gact_init_module (net/sched/act_gact.c:180) act_gact
[   12.732069][  T320]  do_one_initcall (init/main.c:1357)
[   12.732071][  T320]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.732076][  T320]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.732079][  T320]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.732084][  T320]  do_init_module (kernel/module/main.c:3117)
[   12.732088][  T320]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.732092][  T320]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.732095][  T320]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.732099][  T320]  load_module (kernel/module/main.c:3593)
[   12.732106][  T320]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.732110][  T320]  ? __ia32_sys_fsconfig (??:?)
[   12.732112][  T320]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.732116][  T320]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.732119][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.732123][  T320]  init_module_from_file (kernel/module/main.c:3790)
[   12.732126][  T320]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.732134][  T320]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.732138][  T320]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.732141][  T320]  idempotent_init_module (kernel/module/main.c:3802)
[   12.732144][  T320]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.732150][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.732153][  T320]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.732159][  T320]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.732162][  T320]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.732165][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.732167][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.732170][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.732172][  T320] RIP: 0033:0x7f80d9f2537d
[   12.732175][  T320] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   12.732177][  T320] RSP: 002b:00007ffdaddcaf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.732180][  T320] RAX: ffffffffffffffda RBX: 00005625ab877810 RCX: 00007f80d9f2537d
[   12.732181][  T320] RDX: 0000000000000000 RSI: 00005625a2512ffd RDI: 0000000000000000
[   12.732182][  T320] RBP: 00007ffdaddcb010 R08: 0000000000000000 R09: 0000000000000000
[   12.732183][  T320] R10: 0000000000000000 R11: 0000000000000246 R12: 00005625a2512ffd
[   12.732184][  T320] R13: 00005625ab877960 R14: 0000000000040000 R15: 0000000000000000
| [   13.956476][  T402] softirqs last disabled at (13697): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.956479][  T402] Preemption disabled at:
| [   13.956479][  T402] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.956488][  T402] Tainted: [W]=WARN
[   13.956490][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.956492][  T402] Call Trace:
[   13.956494][  T402]  <TASK>
[   13.956496][  T402]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.956503][  T402]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.956505][  T402]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.956509][  T402]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.956513][  T402]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.956518][  T402]  __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))
[   13.956520][  T402]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.956526][  T402]  ? 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)
[   13.956529][  T402]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.956532][  T402]  put_chars (drivers/char/virtio_console.c:1176)
[   13.956533][  T402]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.956536][  T402]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.956538][  T402]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.956543][  T402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.956545][  T402]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.956548][  T402]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.956551][  T402]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.956553][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956555][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956558][  T402]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.956560][  T402]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.956563][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956566][  T402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.956570][  T402]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.956573][  T402]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.956575][  T402]  ? 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))
[   13.956578][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956580][  T402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.956584][  T402]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.956588][  T402]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.956590][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956595][  T402]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.956598][  T402]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.956599][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956602][  T402]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.956605][  T402]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.956607][  T402]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.956610][  T402]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.956614][  T402]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.956616][  T402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.956621][  T402]  _printk (kernel/printk/printk.c:2504)
[   13.956625][  T402]  ? snapshot_read.cold (user.c:?)
[   13.956628][  T402]  ? br_multicast_flood (??:?) bridge
[   13.956641][  T402]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.956643][  T402]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.956644][  T402]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.956648][  T402] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.956660][  T402] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.956671][  T402] new_nbp (net/bridge/br_if.c:449) bridge
[   13.956679][  T402] br_add_if (net/bridge/br_if.c:592) bridge
[   13.956687][  T402]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.956691][  T402]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.956694][  T402]  ? __kernel_text_address (kernel/extable.c:79)
[   13.956698][  T402]  do_set_master (net/core/rtnetlink.c:3071)
[   13.956703][  T402]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.956706][  T402]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.956709][  T402]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.956710][  T402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.956712][  T402]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.956715][  T402]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.956718][  T402]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.956719][  T402]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.956722][  T402]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.956725][  T402]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.956727][  T402]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.956729][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956731][  T402]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.956734][  T402]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.956738][  T402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.956740][  T402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.956743][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956745][  T402]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.956747][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956748][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956751][  T402]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.956755][  T402]  ? __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)
[   13.956757][  T402]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.956760][  T402]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.956763][  T402]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.956764][  T402]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.956769][  T402]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.956774][  T402]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.956779][  T402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.956781][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956786][  T402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.956787][  T402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.956789][  T402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.956791][  T402]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.956795][  T402]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.956797][  T402]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.956800][  T402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.956801][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956805][  T402]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.956808][  T402]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.956814][  T402]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.956816][  T402]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.956819][  T402]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.956825][  T402]  ? 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))
[   13.956826][  T402]  ? 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))
[   13.956830][  T402]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.956834][  T402]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.956837][  T402]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.956841][  T402]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.956844][  T402]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.956848][  T402]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.956853][  T402]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.956855][  T402]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.956858][  T402]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.956859][  T402]  ? move_addr_to_kernel (net/socket.c:258)
[   13.956866][  T402]  ___sys_sendmsg (net/socket.c:2767)
[   13.956869][  T402]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.956884][  T402]  __sys_sendmsg (net/socket.c:2799)
[   13.956887][  T402]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.956893][  T402]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.956897][  T402]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.956899][  T402]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.956902][  T402]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.956904][  T402] RIP: 0033:0x7f266339e54e
[   13.956908][  T402] 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
[   13.956910][  T402] RSP: 002b:00007ffce25b2730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.956912][  T402] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f266339e54e
[   13.956914][  T402] RDX: 0000000000000000 RSI: 00007ffce25b27e0 RDI: 0000000000000005
[   13.956914][  T402] RBP: 00007ffce25b2740 R08: 0000000000000000 R09: 0000000000000000
[   13.956915][  T402] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102c9
[   13.956916][  T402] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce25b2ea0
| [   29.565469][    C0] softirqs last disabled at (794921): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.565472][    C0] Preemption disabled at:
| [   29.565473][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   29.565485][    C0] Tainted: [W]=WARN
[   29.565486][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.565489][    C0] Call Trace:
[   29.565491][    C0]  <IRQ>
[   29.565493][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.565499][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   29.565501][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.565506][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.565510][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.565513][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565518][    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))
[   29.565522][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.565526][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.565531][    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)
[   29.565533][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.565536][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   29.565539][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.565542][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.565546][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.565551][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.565553][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565556][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.565559][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.565563][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.565566][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565568][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565571][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.565574][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.565576][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.565580][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.565584][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.565587][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.565589][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.565592][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565594][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.565597][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.565599][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.565602][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.565605][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.565608][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.565610][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565613][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.565616][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   29.565622][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.565626][    C0]  ? snapshot_read.cold (user.c:?)
[   29.565628][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.565634][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.565637][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.565640][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.565644][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.565648][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.565651][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.565654][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.565657][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.565660][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.565678][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565681][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.565683][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.565695][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.565698][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.565710][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.565721][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.565732][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.565736][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.565739][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.565743][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.565746][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.565749][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565753][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.565755][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.565767][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.565770][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.565774][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.565778][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.565781][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.565784][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.565787][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565790][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.565793][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.565796][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.565799][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.565802][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.565804][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.565808][    C0]  </IRQ>
[   29.565809][    C0]  <TASK>
[   29.565810][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.565813][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.565816][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.565820][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.565823][    C0] RSP: 0018:ffffffffab807cf8 EFLAGS: 00000296
[   29.565827][    C0] RAX: 00000000000c2127 RBX: ffffffffab81c600 RCX: ffffffffa88f0307
[   29.565829][    C0] RDX: ffffffffab81c600 RSI: ffffffffab638b01 RDI: ffffffffab08d8e0
[   29.565830][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.565832][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5700fa2
[   29.565833][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.565836][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.565840][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.565843][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.565845][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.565848][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.565850][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.565853][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.565856][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.565858][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.565861][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.565864][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.565866][    C0]  rest_init (init/main.c:727)
[   29.565869][    C0]  ? __cpuidle_text_end (??:?)
[   29.565873][    C0]  ? rest_init (init/main.c:727)
[   29.565876][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.565880][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.565884][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.565888][    C0]  start_kernel (init/main.c:1185)
[   29.565892][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.565895][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.565898][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.677331][    C0]
| [   29.677441][    C0]
| [   29.677441][    C0] stack backtrace:
| [   29.677810][    C0] Tainted: [W]=WARN
[   29.677811][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.677813][    C0] Call Trace:
[   29.677815][    C0]  <IRQ>
[   29.677816][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.677821][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.677826][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.677830][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.677833][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.677836][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.677839][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.677842][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.677857][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677861][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.677864][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.677875][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.677878][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.677889][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.677900][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.677911][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.677915][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.677917][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.677922][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.677925][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.677927][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677931][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.677933][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.677945][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.677948][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.677952][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.677956][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.677959][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.677961][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.677964][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.677967][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.677970][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.677972][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.677976][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.677978][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.677980][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.677983][    C0]  </IRQ>
[   29.677984][    C0]  <TASK>
[   29.677985][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.677987][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.677990][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.677993][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.677995][    C0] RSP: 0018:ffffffffab807cf8 EFLAGS: 00000296
[   29.677998][    C0] RAX: 00000000000c2127 RBX: ffffffffab81c600 RCX: ffffffffa88f0307
[   29.678000][    C0] RDX: ffffffffab81c600 RSI: ffffffffab638b01 RDI: ffffffffab08d8e0
[   29.678002][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.678003][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5700fa2
[   29.678004][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.678007][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.678011][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.678013][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.678015][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.678018][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.678020][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.678022][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.678026][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.678027][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.678030][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.678033][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.678035][    C0]  rest_init (init/main.c:727)
[   29.678038][    C0]  ? __cpuidle_text_end (??:?)
[   29.678042][    C0]  ? rest_init (init/main.c:727)
[   29.678044][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.678049][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.678053][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.678056][    C0]  start_kernel (init/main.c:1185)
[   29.678059][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.678061][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.678064][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   38.684574][  T566] softirqs last disabled at (0): 0x0
| [   38.684576][  T566] Preemption disabled at:
| [   38.684577][  T566] 0x0
| [   38.684586][  T566] Tainted: [W]=WARN
[   38.684587][  T566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.684588][  T566] Call Trace:
[   38.684590][  T566]  <TASK>
[   38.684591][  T566]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.684597][  T566]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.684601][  T566]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.684604][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684608][  T566]  __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))
[   38.684612][  T566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.684615][  T566]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.684619][  T566]  ? 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)
[   38.684621][  T566]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.684623][  T566]  put_chars (drivers/char/virtio_console.c:1176)
[   38.684624][  T566]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   38.684627][  T566]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.684629][  T566]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   38.684632][  T566]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.684635][  T566]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.684636][  T566]  ? 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)
[   38.684638][  T566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.684639][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684641][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684643][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684645][  T566]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.684647][  T566]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.684649][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684651][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684653][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684654][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684656][  T566]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.684658][  T566]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.684660][  T566]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.684663][  T566]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.684665][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684666][  T566]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.684668][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684669][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.684671][  T566]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.684672][  T566]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.684674][  T566]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.684676][  T566]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.684678][  T566]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.684683][  T566]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.684684][  T566]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   38.684688][  T566]  ? debug_object_activate (lib/debugobjects.c:884)
[   38.684691][  T566]  _printk (kernel/printk/printk.c:2504)
[   38.684694][  T566]  ? snapshot_read.cold (user.c:?)
[   38.684696][  T566]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.684697][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684699][  T566]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.684703][  T566] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.684716][  T566] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   38.684724][  T566] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   38.684731][  T566] br_dev_stop (net/bridge/br_device.c:193) bridge
[   38.684739][  T566]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.684743][  T566]  __dev_close_many (net/core/dev.c:1798)
[   38.684747][  T566]  ? netif_open (net/core/dev.c:1755)
[   38.684749][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684751][  T566]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.684752][  T566]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   38.684754][  T566]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   38.684756][  T566]  ? __kernel_text_address (kernel/extable.c:79)
[   38.684759][  T566]  ? write_profile (profile.c:?)
[   38.684761][  T566]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.684764][  T566]  netif_change_flags (net/core/dev.c:9877)
[   38.684766][  T566]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   38.684768][  T566]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.684770][  T566]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.684771][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684773][  T566]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.684776][  T566]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.684779][  T566]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.684781][  T566]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.684782][  T566]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.684784][  T566]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.684785][  T566]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.684787][  T566]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.684788][  T566]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.684790][  T566]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.684792][  T566]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.684793][  T566]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.684796][  T566]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.684797][  T566]  ? __sys_sendmsg (net/socket.c:2799)
[   38.684799][  T566]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.684801][  T566]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.684804][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684806][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684807][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684809][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684811][  T566]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.684814][  T566]  ? __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)
[   38.684816][  T566]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.684817][  T566]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.684819][  T566]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.684821][  T566]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.684823][  T566]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.684825][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684827][  T566]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.684828][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684829][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684832][  T566]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.684835][  T566]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.684837][  T566]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.684838][  T566]  ? __kernel_text_address (kernel/extable.c:79)
[   38.684839][  T566]  ? write_profile (profile.c:?)
[   38.684840][  T566]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.684842][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684843][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684845][  T566]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.684848][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684850][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684852][  T566]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.684853][  T566]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.684855][  T566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.684856][  T566]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.684857][  T566]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.684860][  T566]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.684861][  T566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.684863][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.684864][  T566]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.684865][  T566]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.684868][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684870][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.684872][  T566]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.684874][  T566]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.684875][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684877][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684879][  T566]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.684881][  T566]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.684883][  T566]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.684884][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684886][  T566]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.684888][  T566]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.684890][  T566]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.684891][  T566]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.684893][  T566]  ? move_addr_to_kernel (net/socket.c:258)
[   38.684894][  T566]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.684897][  T566]  ___sys_sendmsg (net/socket.c:2767)
[   38.684899][  T566]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.684904][  T566]  __sys_sendmsg (net/socket.c:2799)
[   38.684905][  T566]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.684908][  T566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.684910][  T566]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.684912][  T566]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.684914][  T566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.684915][  T566] RIP: 0033:0x7fbd90aaf54e
[   38.684917][  T566] 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
[   38.684919][  T566] RSP: 002b:00007fff2a9dd940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.684923][  T566] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd90aaf54e
[   38.684924][  T566] RDX: 0000000000000000 RSI: 00007fff2a9dd9f0 RDI: 0000000000000005
[   38.684925][  T566] RBP: 00007fff2a9dd950 R08: 0000000000000000 R09: 0000000000000000
[   38.684926][  T566] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9102e2


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