======================================
| [   11.724874][  T246] softirqs last disabled at (25393): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.724877][  T246] Preemption disabled at:
| [   11.724878][  T246] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.724895][  T246] Tainted: [W]=WARN
[   11.724896][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.724899][  T246] Call Trace:
[   11.724901][  T246]  <TASK>
[   11.724903][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.724909][  T246]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.724912][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.724918][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.724923][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.724930][  T246]  __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))
[   11.724934][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.724942][  T246]  ? 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)
[   11.724945][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.724950][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   11.724954][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.724956][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.724962][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.724966][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.724973][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.724977][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.724985][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.724989][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.724997][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.725003][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.725005][  T246]  ? 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))
[   11.725010][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.725013][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.725020][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.725026][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.725028][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.725037][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.725041][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.725043][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.725047][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.725053][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.725055][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.725060][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.725066][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.725075][  T246]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.725080][  T246]  _printk (kernel/printk/printk.c:2504)
[   11.725085][  T246]  ? snapshot_read.cold (user.c:?)
[   11.725095][  T246]  ? 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)
[   11.725099][  T246] 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
[   11.725104][  T246]  do_one_initcall (init/main.c:1357)
[   11.725108][  T246]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.725115][  T246]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.725119][  T246]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.725126][  T246]  do_init_module (kernel/module/main.c:3117)
[   11.725132][  T246]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.725137][  T246]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.725142][  T246]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.725148][  T246]  load_module (kernel/module/main.c:3593)
[   11.725160][  T246]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.725166][  T246]  ? __ia32_sys_fsconfig (??:?)
[   11.725170][  T246]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.725175][  T246]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.725179][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.725185][  T246]  init_module_from_file (kernel/module/main.c:3790)
[   11.725190][  T246]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.725203][  T246]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.725209][  T246]  ? 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)
[   11.725214][  T246]  idempotent_init_module (kernel/module/main.c:3802)
[   11.725219][  T246]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.725229][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.725233][  T246]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.725241][  T246]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.725244][  T246]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.725249][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.725251][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.725256][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.725259][  T246] RIP: 0033:0x7ff3a40c537d
[   11.725263][  T246] 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
[   11.725265][  T246] RSP: 002b:00007ffc1cf64228 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.725269][  T246] RAX: ffffffffffffffda RBX: 00005630e04f2810 RCX: 00007ff3a40c537d
[   11.725271][  T246] RDX: 0000000000000000 RSI: 00005630b870effd RDI: 0000000000000000
[   11.725272][  T246] RBP: 00007ffc1cf642c0 R08: 0000000000000000 R09: 0000000000000000
[   11.725273][  T246] R10: 0000000000000000 R11: 0000000000000246 R12: 00005630b870effd
[   11.725275][  T246] R13: 00005630e04f2960 R14: 0000000000040000 R15: 0000000000000000
| [   13.041280][  T317] softirqs last disabled at (17115): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.041282][  T317] Preemption disabled at:
| [   13.041283][  T317] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.041292][  T317] Tainted: [W]=WARN
[   13.041293][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.041295][  T317] Call Trace:
[   13.041297][  T317]  <TASK>
[   13.041298][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.041304][  T317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.041307][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.041311][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.041315][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.041321][  T317]  __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))
[   13.041323][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.041329][  T317]  ? 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)
[   13.041332][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.041335][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   13.041337][  T317]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.041340][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.041343][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.041347][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.041351][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.041354][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.041355][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.041360][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.041361][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.041364][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.041367][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.041371][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.041375][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.041377][  T317]  ? 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))
[   13.041380][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.041383][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.041387][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.041391][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.041393][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.041398][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.041401][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.041403][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.041405][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.041409][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.041411][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.041414][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.041418][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.041424][  T317]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   13.041427][  T317]  _printk (kernel/printk/printk.c:2504)
[   13.041431][  T317]  ? snapshot_read.cold (user.c:?)
[   13.041439][  T317]  ? 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)
[   13.041442][  T317] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.041444][  T317]  do_one_initcall (init/main.c:1357)
[   13.041447][  T317]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.041451][  T317]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.041455][  T317]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.041460][  T317]  do_init_module (kernel/module/main.c:3117)
[   13.041463][  T317]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.041468][  T317]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.041471][  T317]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.041475][  T317]  load_module (kernel/module/main.c:3593)
[   13.041483][  T317]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.041487][  T317]  ? __ia32_sys_fsconfig (??:?)
[   13.041490][  T317]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.041494][  T317]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.041498][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.041502][  T317]  init_module_from_file (kernel/module/main.c:3790)
[   13.041505][  T317]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.041513][  T317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.041517][  T317]  ? 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)
[   13.041520][  T317]  idempotent_init_module (kernel/module/main.c:3802)
[   13.041524][  T317]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.041530][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.041533][  T317]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.041539][  T317]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.041541][  T317]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.041544][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.041546][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.041549][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.041551][  T317] RIP: 0033:0x7fd7603e537d
[   13.041555][  T317] 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
[   13.041557][  T317] RSP: 002b:00007ffc7a7ca498 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.041560][  T317] RAX: ffffffffffffffda RBX: 000055ac7ba43810 RCX: 00007fd7603e537d
[   13.041561][  T317] RDX: 0000000000000000 RSI: 000055ac6d8e6ffd RDI: 0000000000000000
[   13.041562][  T317] RBP: 00007ffc7a7ca530 R08: 0000000000000000 R09: 0000000000000000
[   13.041563][  T317] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ac6d8e6ffd
[   13.041564][  T317] R13: 000055ac7ba43960 R14: 0000000000040000 R15: 0000000000000000
| [   14.263884][  T401] softirqs last disabled at (23256): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.263887][  T401] Preemption disabled at:
| [   14.263887][  T401] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.263903][  T401] Tainted: [W]=WARN
[   14.263904][  T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.263905][  T401] Call Trace:
[   14.263907][  T401]  <TASK>
[   14.263909][  T401]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.263914][  T401]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.263917][  T401]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.263921][  T401]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.263926][  T401]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.263931][  T401]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.263933][  T401]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.263938][  T401]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.263941][  T401]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.263944][  T401]  put_chars (drivers/char/virtio_console.c:1176)
[   14.263946][  T401]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.263948][  T401]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.263951][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.263956][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.263958][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.263961][  T401]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.263964][  T401]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.263966][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.263968][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.263972][  T401]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.263974][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.263977][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.263979][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.263983][  T401]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.263987][  T401]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.263989][  T401]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.263992][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.263994][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.263998][  T401]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.264002][  T401]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.264004][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.264009][  T401]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.264012][  T401]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.264014][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.264016][  T401]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.264020][  T401]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.264022][  T401]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.264025][  T401]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.264029][  T401]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.264032][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.264037][  T401]  _printk (kernel/printk/printk.c:2504)
[   14.264041][  T401]  ? snapshot_read.cold (user.c:?)
[   14.264044][  T401]  ? br_multicast_flood (??:?) bridge
[   14.264058][  T401]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.264059][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.264060][  T401]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.264065][  T401] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.264075][  T401] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.264084][  T401] new_nbp (net/bridge/br_if.c:449) bridge
[   14.264093][  T401] br_add_if (net/bridge/br_if.c:592) bridge
[   14.264100][  T401]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.264104][  T401]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.264107][  T401]  ? __kernel_text_address (kernel/extable.c:79)
[   14.264111][  T401]  do_set_master (net/core/rtnetlink.c:3071)
[   14.264116][  T401]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.264119][  T401]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.264122][  T401]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.264123][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.264125][  T401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.264128][  T401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.264131][  T401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.264133][  T401]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.264136][  T401]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.264139][  T401]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.264140][  T401]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.264143][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.264145][  T401]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.264148][  T401]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.264153][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.264155][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.264157][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.264160][  T401]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.264161][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.264163][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.264165][  T401]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.264169][  T401]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.264172][  T401]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.264175][  T401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.264178][  T401]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.264180][  T401]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.264184][  T401]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.264190][  T401]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.264195][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.264197][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.264201][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.264203][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.264205][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.264207][  T401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.264211][  T401]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.264213][  T401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.264216][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.264218][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.264222][  T401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.264224][  T401]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.264228][  T401]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.264230][  T401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.264232][  T401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.264239][  T401]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.264240][  T401]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.264244][  T401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.264248][  T401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.264251][  T401]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.264255][  T401]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.264259][  T401]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.264263][  T401]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.264268][  T401]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.264270][  T401]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.264273][  T401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.264275][  T401]  ? move_addr_to_kernel (net/socket.c:258)
[   14.264282][  T401]  ___sys_sendmsg (net/socket.c:2767)
[   14.264285][  T401]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.264300][  T401]  __sys_sendmsg (net/socket.c:2799)
[   14.264304][  T401]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.264310][  T401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.264314][  T401]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.264316][  T401]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.264319][  T401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.264321][  T401] RIP: 0033:0x7facf709b54e
[   14.264324][  T401] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.264326][  T401] RSP: 002b:00007fff3c34e780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.264329][  T401] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007facf709b54e
[   14.264330][  T401] RDX: 0000000000000000 RSI: 00007fff3c34e830 RDI: 0000000000000005
[   14.264331][  T401] RBP: 00007fff3c34e790 R08: 0000000000000000 R09: 0000000000000000
[   14.264332][  T401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918b8a
[   14.264333][  T401] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3c34eef0
| [   30.084799][    C3] softirqs last disabled at (748147): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   30.084801][    C3] Preemption disabled at:
| [   30.084802][    C3] 0x0
| [   30.084813][    C3] Tainted: [W]=WARN
[   30.084813][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.084816][    C3] Call Trace:
[   30.084817][    C3]  <IRQ>
[   30.084819][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.084824][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.084828][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.084831][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.084834][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.084838][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.084841][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.084844][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.084848][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.084849][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.084851][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   30.084853][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.084855][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.084858][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.084862][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.084863][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.084865][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.084867][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.084869][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.084871][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.084872][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.084874][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.084876][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.084877][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.084880][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.084882][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.084884][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.084886][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.084887][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.084889][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.084890][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.084892][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.084894][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.084895][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.084898][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.084899][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.084911][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.084912][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.084918][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.084924][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   30.084928][    C3]  _printk (kernel/printk/printk.c:2504)
[   30.084931][    C3]  ? snapshot_read.cold (user.c:?)
[   30.084932][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   30.084936][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.084939][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   30.084940][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   30.084943][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.084945][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.084947][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.084954][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.084956][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.084958][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.084964][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.084966][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.084968][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.084974][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.084975][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.084981][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.084988][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.084993][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   30.084996][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.084998][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.085002][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.085004][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.085005][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.085008][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.085009][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.085016][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.085018][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.085020][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.085022][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.085024][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.085026][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.085028][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.085030][    C3]  handle_softirqs (kernel/softirq.c:645)
[   30.085032][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.085034][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.085036][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.085037][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   30.085038][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.085041][    C3]  </IRQ>
[   30.085042][    C3]  <TASK>
[   30.085042][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.085044][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.085046][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.085049][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   30.085050][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   30.085053][    C3] RAX: 00000000000b6a71 RBX: ff11000001c88040 RCX: ffffffffaf4f0307
[   30.085055][    C3] RDX: ff11000001c88040 RSI: ffffffffb2238af6 RDI: ffffffffb1c8d8e0
[   30.085055][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.085056][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   30.085057][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   30.085058][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.085062][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.085064][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   30.085065][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.085067][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   30.085068][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.085070][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.085072][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.085073][    C3]  do_idle (kernel/sched/idle.c:355)
[   30.085075][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.085077][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   30.085078][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   30.085080][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   30.144981][    C3]
| [   30.145054][    C3]
| [   30.145054][    C3] stack backtrace:
| [   30.145246][    C3] Tainted: [W]=WARN
[   30.145247][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.145248][    C3] Call Trace:
[   30.145249][    C3]  <IRQ>
[   30.145251][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.145255][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   30.145258][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.145261][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.145263][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.145265][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.145267][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.145268][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.145275][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.145278][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.145280][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.145286][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.145288][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.145294][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.145300][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.145306][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   30.145308][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.145310][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.145313][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.145315][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.145317][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.145319][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.145321][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.145327][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.145329][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.145332][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.145334][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.145336][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.145338][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.145340][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.145342][    C3]  handle_softirqs (kernel/softirq.c:645)
[   30.145344][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.145345][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.145347][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.145348][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   30.145350][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.145352][    C3]  </IRQ>
[   30.145352][    C3]  <TASK>
[   30.145353][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.145354][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.145356][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   30.145358][    C3] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   30.145360][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   30.145363][    C3] RAX: 00000000000b6a71 RBX: ff11000001c88040 RCX: ffffffffaf4f0307
[   30.145364][    C3] RDX: ff11000001c88040 RSI: ffffffffb2238af6 RDI: ffffffffb1c8d8e0
[   30.145365][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   30.145366][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   30.145366][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   30.145368][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.145370][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   30.145372][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   30.145373][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   30.145375][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   30.145376][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   30.145378][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.145379][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.145381][    C3]  do_idle (kernel/sched/idle.c:355)
[   30.145383][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   30.145384][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   30.145385][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   30.145387][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   38.946685][  T565] softirqs last disabled at (0): 0x0
| [   38.946686][  T565] Preemption disabled at:
| [   38.946687][  T565] 0x0
| [   38.946697][  T565] Tainted: [W]=WARN
[   38.946700][  T565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.946702][  T565] Call Trace:
[   38.946704][  T565]  <TASK>
[   38.946705][  T565]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.946711][  T565]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.946715][  T565]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.946719][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946723][  T565]  __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))
[   38.946726][  T565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.946729][  T565]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.946733][  T565]  ? 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)
[   38.946735][  T565]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.946737][  T565]  put_chars (drivers/char/virtio_console.c:1176)
[   38.946739][  T565]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   38.946741][  T565]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.946743][  T565]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   38.946746][  T565]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.946750][  T565]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.946751][  T565]  ? 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)
[   38.946752][  T565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.946754][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946755][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946757][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946759][  T565]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.946762][  T565]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.946764][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946765][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946767][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946768][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946770][  T565]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   38.946772][  T565]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.946774][  T565]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.946776][  T565]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.946778][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946780][  T565]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.946781][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946783][  T565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.946784][  T565]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.946786][  T565]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   38.946788][  T565]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.946790][  T565]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.946791][  T565]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.946796][  T565]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.946798][  T565]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   38.946802][  T565]  ? debug_object_activate (lib/debugobjects.c:884)
[   38.946804][  T565]  _printk (kernel/printk/printk.c:2504)
[   38.946807][  T565]  ? snapshot_read.cold (user.c:?)
[   38.946810][  T565]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   38.946811][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946813][  T565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.946816][  T565] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   38.946829][  T565] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   38.946837][  T565] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   38.946844][  T565] br_dev_stop (net/bridge/br_device.c:193) bridge
[   38.946852][  T565]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   38.946856][  T565]  __dev_close_many (net/core/dev.c:1798)
[   38.946859][  T565]  ? netif_open (net/core/dev.c:1755)
[   38.946861][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946863][  T565]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.946864][  T565]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   38.946867][  T565]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   38.946869][  T565]  ? __kernel_text_address (kernel/extable.c:79)
[   38.946871][  T565]  ? write_profile (profile.c:?)
[   38.946873][  T565]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.946876][  T565]  netif_change_flags (net/core/dev.c:9877)
[   38.946878][  T565]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   38.946880][  T565]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.946882][  T565]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.946883][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946884][  T565]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.946888][  T565]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.946891][  T565]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.946892][  T565]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.946893][  T565]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.946895][  T565]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   38.946896][  T565]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   38.946897][  T565]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.946899][  T565]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.946901][  T565]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.946903][  T565]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.946904][  T565]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.946906][  T565]  ? ___sys_sendmsg (net/socket.c:2767)
[   38.946908][  T565]  ? __sys_sendmsg (net/socket.c:2799)
[   38.946909][  T565]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.946912][  T565]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.946915][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946916][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946918][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946919][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946921][  T565]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.946924][  T565]  ? __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)
[   38.946926][  T565]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.946928][  T565]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.946929][  T565]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.946931][  T565]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.946933][  T565]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.946935][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946937][  T565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.946938][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946939][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946941][  T565]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   38.946945][  T565]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   38.946947][  T565]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   38.946948][  T565]  ? __kernel_text_address (kernel/extable.c:79)
[   38.946949][  T565]  ? write_profile (profile.c:?)
[   38.946950][  T565]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   38.946951][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946953][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946955][  T565]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   38.946958][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946960][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946961][  T565]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.946963][  T565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.946964][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.946965][  T565]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.946967][  T565]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   38.946969][  T565]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.946970][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.946972][  T565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.946973][  T565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.946974][  T565]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   38.946977][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946979][  T565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.946980][  T565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.946989][  T565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.946991][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946992][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.946994][  T565]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.946996][  T565]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.946998][  T565]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.947000][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.947001][  T565]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   38.947003][  T565]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   38.947005][  T565]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.947006][  T565]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   38.947008][  T565]  ? move_addr_to_kernel (net/socket.c:258)
[   38.947009][  T565]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   38.947012][  T565]  ___sys_sendmsg (net/socket.c:2767)
[   38.947013][  T565]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.947018][  T565]  __sys_sendmsg (net/socket.c:2799)
[   38.947020][  T565]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.947023][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.947025][  T565]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.947026][  T565]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.947028][  T565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.947030][  T565] RIP: 0033:0x7ff078f7654e
[   38.947032][  T565] 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
[   38.947033][  T565] RSP: 002b:00007ffe7795a2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.947037][  T565] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff078f7654e
[   38.947038][  T565] RDX: 0000000000000000 RSI: 00007ffe7795a390 RDI: 0000000000000005
[   38.947039][  T565] RBP: 00007ffe7795a2f0 R08: 0000000000000000 R09: 0000000000000000
[   38.947040][  T565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918ba3


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