======================================
| [   11.826515][  T245] softirqs last disabled at (33451): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.826518][  T245] Preemption disabled at:
| [   11.826519][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.826531][  T245] Tainted: [W]=WARN
[   11.826532][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.826535][  T245] Call Trace:
[   11.826537][  T245]  <TASK>
[   11.826539][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.826546][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.826549][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.826555][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.826561][  T245]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.826568][  T245]  __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))
[   11.826572][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.826580][  T245]  ? 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)
[   11.826584][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.826589][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   11.826593][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.826595][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.826602][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.826606][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.826613][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.826617][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.826625][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.826630][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.826638][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.826644][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.826647][  T245]  ? 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))
[   11.826652][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.826655][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.826662][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.826669][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.826671][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.826680][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.826685][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.826687][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.826691][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.826697][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.826699][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.826705][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.826712][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.826721][  T245]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.826727][  T245]  _printk (kernel/printk/printk.c:2504)
[   11.826733][  T245]  ? snapshot_read.cold (user.c:?)
[   11.826744][  T245]  ? 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)
[   11.826749][  T245] 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
[   11.826754][  T245]  do_one_initcall (init/main.c:1357)
[   11.826758][  T245]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.826766][  T245]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.826770][  T245]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.826778][  T245]  do_init_module (kernel/module/main.c:3117)
[   11.826784][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.826789][  T245]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.826795][  T245]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.826802][  T245]  load_module (kernel/module/main.c:3593)
[   11.826814][  T245]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.826821][  T245]  ? __ia32_sys_fsconfig (??:?)
[   11.826824][  T245]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.826830][  T245]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.826834][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.826840][  T245]  init_module_from_file (kernel/module/main.c:3790)
[   11.826845][  T245]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.826860][  T245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.826866][  T245]  ? 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)
[   11.826871][  T245]  idempotent_init_module (kernel/module/main.c:3802)
[   11.826877][  T245]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.826888][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.826891][  T245]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.826900][  T245]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.826903][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.826909][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.826911][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.826916][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.826919][  T245] RIP: 0033:0x7f46fe1df37d
[   11.826924][  T245] 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
[   11.826927][  T245] RSP: 002b:00007ffff3705738 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.826930][  T245] RAX: ffffffffffffffda RBX: 000055c6ae73e810 RCX: 00007f46fe1df37d
[   11.826932][  T245] RDX: 0000000000000000 RSI: 000055c68e4f4ffd RDI: 0000000000000000
[   11.826934][  T245] RBP: 00007ffff37057d0 R08: 0000000000000000 R09: 0000000000000000
[   11.826935][  T245] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c68e4f4ffd
[   11.826936][  T245] R13: 000055c6ae73e960 R14: 0000000000040000 R15: 0000000000000000
| [   13.485445][  T315] softirqs last disabled at (21617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.485448][  T315] Preemption disabled at:
| [   13.485449][  T315] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.485461][  T315] Tainted: [W]=WARN
[   13.485463][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.485465][  T315] Call Trace:
[   13.485467][  T315]  <TASK>
[   13.485469][  T315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.485476][  T315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.485479][  T315]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.485486][  T315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.485491][  T315]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.485498][  T315]  __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))
[   13.485502][  T315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.485510][  T315]  ? 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)
[   13.485514][  T315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.485519][  T315]  put_chars (drivers/char/virtio_console.c:1176)
[   13.485522][  T315]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   13.485526][  T315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.485531][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.485536][  T315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.485543][  T315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.485547][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.485549][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.485557][  T315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.485559][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.485564][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.485568][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.485575][  T315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.485580][  T315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.485583][  T315]  ? 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))
[   13.485588][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.485591][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.485598][  T315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.485605][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.485607][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.485616][  T315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.485620][  T315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.485623][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.485626][  T315]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.485632][  T315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.485635][  T315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.485641][  T315]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.485647][  T315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.485656][  T315]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   13.485660][  T315]  _printk (kernel/printk/printk.c:2504)
[   13.485666][  T315]  ? snapshot_read.cold (user.c:?)
[   13.485676][  T315]  ? 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)
[   13.485681][  T315] gact_init_module (net/sched/act_gact.c:180) act_gact
[   13.485684][  T315]  do_one_initcall (init/main.c:1357)
[   13.485688][  T315]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   13.485696][  T315]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   13.485700][  T315]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   13.485707][  T315]  do_init_module (kernel/module/main.c:3117)
[   13.485713][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.485719][  T315]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   13.485724][  T315]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   13.485732][  T315]  load_module (kernel/module/main.c:3593)
[   13.485745][  T315]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   13.485751][  T315]  ? __ia32_sys_fsconfig (??:?)
[   13.485755][  T315]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   13.485760][  T315]  ? backing_file_read_iter (fs/backing-file.c:211)
[   13.485765][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.485771][  T315]  init_module_from_file (kernel/module/main.c:3790)
[   13.485776][  T315]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   13.485790][  T315]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.485796][  T315]  ? 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)
[   13.485801][  T315]  idempotent_init_module (kernel/module/main.c:3802)
[   13.485807][  T315]  ? init_module_from_file (kernel/module/main.c:3791)
[   13.485818][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.485821][  T315]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.485830][  T315]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   13.485833][  T315]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.485839][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.485841][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.485846][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.485849][  T315] RIP: 0033:0x7f4377a1737d
[   13.485853][  T315] 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
[   13.485856][  T315] RSP: 002b:00007ffcdc22b368 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   13.485860][  T315] RAX: ffffffffffffffda RBX: 000056531250e810 RCX: 00007f4377a1737d
[   13.485862][  T315] RDX: 0000000000000000 RSI: 00005652f27ddffd RDI: 0000000000000000
[   13.485863][  T315] RBP: 00007ffcdc22b400 R08: 0000000000000000 R09: 0000000000000000
[   13.485864][  T315] R10: 0000000000000000 R11: 0000000000000246 R12: 00005652f27ddffd
[   13.485866][  T315] R13: 000056531250e960 R14: 0000000000040000 R15: 0000000000000000
| [   14.667092][  T399] softirqs last disabled at (13915): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   14.667094][  T399] Preemption disabled at:
| [   14.667094][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.667104][  T399] Tainted: [W]=WARN
[   14.667105][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.667107][  T399] Call Trace:
[   14.667108][  T399]  <TASK>
[   14.667110][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.667116][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.667118][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.667123][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.667127][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.667132][  T399]  __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))
[   14.667134][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.667139][  T399]  ? 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)
[   14.667142][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.667145][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   14.667147][  T399]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.667156][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.667159][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.667163][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.667165][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.667169][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.667172][  T399]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.667174][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667175][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667179][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.667181][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.667184][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667186][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.667190][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.667194][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.667196][  T399]  ? 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))
[   14.667199][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667201][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.667205][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.667209][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.667211][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667216][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.667219][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.667220][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667223][  T399]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.667226][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.667228][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.667231][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.667235][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.667238][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.667242][  T399]  _printk (kernel/printk/printk.c:2504)
[   14.667246][  T399]  ? snapshot_read.cold (user.c:?)
[   14.667250][  T399]  ? br_multicast_flood (??:?) bridge
[   14.667263][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.667264][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.667265][  T399]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.667270][  T399] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.667280][  T399] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.667288][  T399] new_nbp (net/bridge/br_if.c:449) bridge
[   14.667297][  T399] br_add_if (net/bridge/br_if.c:592) bridge
[   14.667304][  T399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.667310][  T399]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.667313][  T399]  ? __kernel_text_address (kernel/extable.c:79)
[   14.667317][  T399]  do_set_master (net/core/rtnetlink.c:3071)
[   14.667321][  T399]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.667324][  T399]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.667328][  T399]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.667329][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.667331][  T399]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.667334][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.667336][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.667338][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.667341][  T399]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.667344][  T399]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.667346][  T399]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.667348][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667350][  T399]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.667353][  T399]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.667358][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.667360][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.667362][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667364][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.667366][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667368][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667370][  T399]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.667374][  T399]  ? __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)
[   14.667376][  T399]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.667379][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.667382][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.667383][  T399]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.667388][  T399]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.667393][  T399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.667398][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.667400][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667405][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.667406][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.667408][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.667410][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.667414][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.667416][  T399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.667419][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.667420][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667424][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.667426][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.667429][  T399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.667431][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.667434][  T399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.667440][  T399]  ? 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))
[   14.667441][  T399]  ? 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))
[   14.667445][  T399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.667449][  T399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.667451][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.667455][  T399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.667459][  T399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.667463][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.667468][  T399]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.667470][  T399]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.667472][  T399]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.667474][  T399]  ? move_addr_to_kernel (net/socket.c:258)
[   14.667481][  T399]  ___sys_sendmsg (net/socket.c:2767)
[   14.667484][  T399]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.667499][  T399]  __sys_sendmsg (net/socket.c:2799)
[   14.667502][  T399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.667508][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.667511][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.667514][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.667517][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.667519][  T399] RIP: 0033:0x7fbbfcac454e
[   14.667522][  T399] 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
[   14.667524][  T399] RSP: 002b:00007ffef4308470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.667527][  T399] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbbfcac454e
[   14.667528][  T399] RDX: 0000000000000000 RSI: 00007ffef4308520 RDI: 0000000000000005
[   14.667529][  T399] RBP: 00007ffef4308480 R08: 0000000000000000 R09: 0000000000000000
[   14.667530][  T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b38b
[   14.667531][  T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef4308be0
| [   30.585410][    C2] softirqs last disabled at (4154635): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   30.585411][    C2] Preemption disabled at:
| [   30.585412][    C2] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   30.585422][    C2] Tainted: [W]=WARN
[   30.585423][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.585425][    C2] Call Trace:
[   30.585426][    C2]  <IRQ>
[   30.585429][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.585435][    C2]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   30.585436][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.585440][    C2]  ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:202 kernel/locking/lockdep.c:3329 kernel/locking/lockdep.c:3924)
[   30.585442][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.585445][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   30.585448][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585452][    C2]  __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))
[   30.585455][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.585456][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.585460][    C2]  ? 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)
[   30.585461][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.585463][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   30.585465][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.585467][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   30.585470][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.585474][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.585475][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585477][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.585479][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.585481][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.585483][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585485][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585486][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.585488][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   30.585490][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.585492][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.585494][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.585496][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.585498][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.585499][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585501][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.585502][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.585504][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.585506][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.585508][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.585510][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.585512][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585513][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   30.585515][    C2]  _printk (kernel/printk/printk.c:2504)
[   30.585518][    C2]  ? snapshot_read.cold (user.c:?)
[   30.585520][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   30.585524][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.585526][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   30.585527][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   30.585530][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.585533][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.585534][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.585536][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.585538][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.585540][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.585552][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585554][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.585556][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.585562][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.585564][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.585571][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.585577][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.585583][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   30.585587][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.585588][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.585592][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.585594][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.585595][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.585597][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.585599][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.585606][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.585608][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.585610][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.585612][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.585614][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.585616][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585618][    C2]  handle_softirqs (kernel/softirq.c:645)
[   30.585620][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.585621][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.585623][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.585625][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   30.585626][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.585629][    C2]  </IRQ>
[   30.585630][    C2]  <TASK>
[   30.585630][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.585632][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.585634][    C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:81 arch/x86/kernel/unwind_orc.c:103)
[   30.585637][    C2] Code: 39 c1 72 4d 4c 89 ca 4c 29 c2 48 89 d1 48 c1 ea 3f 48 c1 f9 02 48 01 ca 48 d1 fa 49 8d 14 90 48 89 d1 48 c1 e9 03 0f b6 3c 01 <48> 89 d1 83 e1 07 83 c1 03 40 38 f9 7c 05 40 84 ff 75 30 48 63 0a
All code
========
   0:	39 c1                	cmp    %eax,%ecx
   2:	72 4d                	jb     0x51
   4:	4c 89 ca             	mov    %r9,%rdx
   7:	4c 29 c2             	sub    %r8,%rdx
   a:	48 89 d1             	mov    %rdx,%rcx
   d:	48 c1 ea 3f          	shr    $0x3f,%rdx
  11:	48 c1 f9 02          	sar    $0x2,%rcx
  15:	48 01 ca             	add    %rcx,%rdx
  18:	48 d1 fa             	sar    $1,%rdx
  1b:	49 8d 14 90          	lea    (%r8,%rdx,4),%rdx
  1f:	48 89 d1             	mov    %rdx,%rcx
  22:	48 c1 e9 03          	shr    $0x3,%rcx
  26:	0f b6 3c 01          	movzbl (%rcx,%rax,1),%edi
  2a:*	48 89 d1             	mov    %rdx,%rcx		<-- trapping instruction
  2d:	83 e1 07             	and    $0x7,%ecx
  30:	83 c1 03             	add    $0x3,%ecx
  33:	40 38 f9             	cmp    %dil,%cl
  36:	7c 05                	jl     0x3d
  38:	40 84 ff             	test   %dil,%dil
  3b:	75 30                	jne    0x6d
  3d:	48 63 0a             	movslq (%rdx),%rcx

Code starting with the faulting instruction
===========================================
   0:	48 89 d1             	mov    %rdx,%rcx
   3:	83 e1 07             	and    $0x7,%ecx
   6:	83 c1 03             	add    $0x3,%ecx
   9:	40 38 f9             	cmp    %dil,%cl
   c:	7c 05                	jl     0x13
   e:	40 84 ff             	test   %dil,%dil
  11:	75 30                	jne    0x43
  13:	48 63 0a             	movslq (%rdx),%rcx
[   30.585639][    C2] RSP: 0018:ffa00000005f75e8 EFLAGS: 00000213
[   30.585642][    C2] RAX: dffffc0000000000 RBX: ffffffffa25db692 RCX: 1ffffffff4471dab
[   30.585643][    C2] RDX: ffffffffa238ed5c RSI: ffffffffa238ed40 RDI: 0000000000000000
[   30.585644][    C2] RBP: 0000000000000001 R08: ffffffffa238ed40 R09: ffffffffa238ed7c
[   30.585645][    C2] R10: ffffffff9ef22971 R11: ffffffffa238ed40 R12: ffa00000005f7780
[   30.585646][    C2] R13: ffa00000005f7728 R14: ff1100000c53a380 R15: ff11000001f96400
[   30.585647][    C2]  ? set_track_prepare (mm/slub.c:1074)
[   30.585650][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.585652][    C2]  unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   30.585654][    C2]  ? set_track_prepare (mm/slub.c:1074)
[   30.585655][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   30.585657][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   30.585658][    C2]  ? write_profile (profile.c:?)
[   30.585660][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   30.585662][    C2]  ? set_track_prepare (mm/slub.c:1074)
[   30.585664][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.585665][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.585667][    C2]  set_track_prepare (mm/slub.c:1074)
[   30.585670][    C2]  free_to_partial_list (mm/slub.c:5627)
[   30.585672][    C2]  ? qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   30.585673][    C2]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   30.585675][    C2]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   30.585676][    C2]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   30.585679][    C2]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   30.585681][    C2]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.585685][    C2]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.585686][    C2]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   30.585688][    C2]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   30.585690][    C2]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   30.585693][    C2]  ? sock_recv_errqueue (./include/net/sock.h:2854 (discriminator 2))
[   30.585694][    C2]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   30.585696][    C2]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   30.585698][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.585700][    C2]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   30.585702][    C2]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   30.585706][    C2]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   30.585709][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.585712][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.585714][    C2]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   30.585717][    C2]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.585719][    C2]  ? sock_ioctl (net/socket.c:1446)
[   30.585723][    C2]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.585724][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.585727][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.585728][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.585730][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.585731][    C2]  ? irq_exit_rcu (kernel/softirq.c:786)
[   30.585733][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.585734][    C2] RIP: 0033:0x7f7451aea54e
[   30.585737][    C2] 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
[   30.585738][    C2] RSP: 002b:00007ffff69524c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.585739][    C2] RAX: ffffffffffffffda RBX: 000055756566b5e2 RCX: 00007f7451aea54e
[   30.585740][    C2] RDX: 0000000000001f6a RSI: 000055756566b5e2 RDI: 0000000000000005
[   30.585741][    C2] RBP: 00007ffff69524d0 R08: 00007ffff6952520 R09: 0000000000000014
[   30.585742][    C2] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557565668830
[   30.585742][    C2] R13: 0000000000001f6a R14: 0000000000000005 R15: 0000557565668830
| [   30.660526][    C2]
| [   30.660657][    C2]
| [   30.660657][    C2] stack backtrace:
| [   30.660851][    C2] Tainted: [W]=WARN
[   30.660852][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.660853][    C2] Call Trace:
[   30.660855][    C2]  <IRQ>
[   30.660856][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.660861][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   30.660864][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   30.660867][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   30.660869][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   30.660871][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   30.660873][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.660874][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.660882][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.660885][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.660887][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.660893][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   30.660895][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.660901][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   30.660907][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.660913][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   30.660915][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   30.660917][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   30.660921][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.660923][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.660924][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.660926][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   30.660928][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   30.660935][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   30.660937][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.660939][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   30.660942][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   30.660944][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   30.660945][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.660947][    C2]  handle_softirqs (kernel/softirq.c:645)
[   30.660949][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.660951][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   30.660953][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   30.660954][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   30.660955][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   30.660957][    C2]  </IRQ>
[   30.660958][    C2]  <TASK>
[   30.660958][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.660960][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   30.660961][    C2] RIP: 0010:__orc_find (arch/x86/kernel/unwind_orc.c:81 arch/x86/kernel/unwind_orc.c:103)
[   30.660963][    C2] Code: 39 c1 72 4d 4c 89 ca 4c 29 c2 48 89 d1 48 c1 ea 3f 48 c1 f9 02 48 01 ca 48 d1 fa 49 8d 14 90 48 89 d1 48 c1 e9 03 0f b6 3c 01 <48> 89 d1 83 e1 07 83 c1 03 40 38 f9 7c 05 40 84 ff 75 30 48 63 0a
All code
========
   0:	39 c1                	cmp    %eax,%ecx
   2:	72 4d                	jb     0x51
   4:	4c 89 ca             	mov    %r9,%rdx
   7:	4c 29 c2             	sub    %r8,%rdx
   a:	48 89 d1             	mov    %rdx,%rcx
   d:	48 c1 ea 3f          	shr    $0x3f,%rdx
  11:	48 c1 f9 02          	sar    $0x2,%rcx
  15:	48 01 ca             	add    %rcx,%rdx
  18:	48 d1 fa             	sar    $1,%rdx
  1b:	49 8d 14 90          	lea    (%r8,%rdx,4),%rdx
  1f:	48 89 d1             	mov    %rdx,%rcx
  22:	48 c1 e9 03          	shr    $0x3,%rcx
  26:	0f b6 3c 01          	movzbl (%rcx,%rax,1),%edi
  2a:*	48 89 d1             	mov    %rdx,%rcx		<-- trapping instruction
  2d:	83 e1 07             	and    $0x7,%ecx
  30:	83 c1 03             	add    $0x3,%ecx
  33:	40 38 f9             	cmp    %dil,%cl
  36:	7c 05                	jl     0x3d
  38:	40 84 ff             	test   %dil,%dil
  3b:	75 30                	jne    0x6d
  3d:	48 63 0a             	movslq (%rdx),%rcx

Code starting with the faulting instruction
===========================================
   0:	48 89 d1             	mov    %rdx,%rcx
   3:	83 e1 07             	and    $0x7,%ecx
   6:	83 c1 03             	add    $0x3,%ecx
   9:	40 38 f9             	cmp    %dil,%cl
   c:	7c 05                	jl     0x13
   e:	40 84 ff             	test   %dil,%dil
  11:	75 30                	jne    0x43
  13:	48 63 0a             	movslq (%rdx),%rcx
[   30.660965][    C2] RSP: 0018:ffa00000005f75e8 EFLAGS: 00000213
[   30.660968][    C2] RAX: dffffc0000000000 RBX: ffffffffa25db692 RCX: 1ffffffff4471dab
[   30.660969][    C2] RDX: ffffffffa238ed5c RSI: ffffffffa238ed40 RDI: 0000000000000000
[   30.660970][    C2] RBP: 0000000000000001 R08: ffffffffa238ed40 R09: ffffffffa238ed7c
[   30.660971][    C2] R10: ffffffff9ef22971 R11: ffffffffa238ed40 R12: ffa00000005f7780
[   30.660972][    C2] R13: ffa00000005f7728 R14: ff1100000c53a380 R15: ff11000001f96400
[   30.660973][    C2]  ? set_track_prepare (mm/slub.c:1074)
[   30.660975][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.660977][    C2]  unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   30.660978][    C2]  ? set_track_prepare (mm/slub.c:1074)
[   30.660980][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   30.660982][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   30.660983][    C2]  ? write_profile (profile.c:?)
[   30.660985][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   30.660988][    C2]  ? set_track_prepare (mm/slub.c:1074)
[   30.660989][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.660991][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   30.660993][    C2]  set_track_prepare (mm/slub.c:1074)
[   30.660995][    C2]  free_to_partial_list (mm/slub.c:5627)
[   30.660997][    C2]  ? qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   30.660998][    C2]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[   30.661000][    C2]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[   30.661001][    C2]  __kasan_slab_alloc (mm/kasan/common.c:350)
[   30.661004][    C2]  kmem_cache_alloc_node_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5068)
[   30.661005][    C2]  ? __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.661008][    C2]  __alloc_skb (net/core/skbuff.c:704 (discriminator 7))
[   30.661009][    C2]  ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
[   30.661011][    C2]  ? napi_skb_cache_get (./include/linux/local_lock_internal.h:60 (discriminator 1))
[   30.661013][    C2]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   30.661016][    C2]  ? sock_recv_errqueue (./include/net/sock.h:2854 (discriminator 2))
[   30.661017][    C2]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   30.661019][    C2]  alloc_skb_with_frags (./include/linux/skbuff.h:1384 net/core/skbuff.c:6789)
[   30.661021][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.661022][    C2]  sock_alloc_send_pskb (net/core/sock.c:3014)
[   30.661024][    C2]  packet_snd (net/packet/af_packet.c:2959 net/packet/af_packet.c:3053)
[   30.661027][    C2]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   30.661030][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.661033][    C2]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.661035][    C2]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   30.661037][    C2]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   30.661039][    C2]  ? sock_ioctl (net/socket.c:1446)
[   30.661042][    C2]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   30.661044][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.661046][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   30.661048][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   30.661049][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.661050][    C2]  ? irq_exit_rcu (kernel/softirq.c:786)
[   30.661051][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.661053][    C2] RIP: 0033:0x7f7451aea54e
[   30.661055][    C2] 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
[   30.661056][    C2] RSP: 002b:00007ffff69524c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   30.661058][    C2] RAX: ffffffffffffffda RBX: 000055756566b5e2 RCX: 00007f7451aea54e
[   30.661059][    C2] RDX: 0000000000001f6a RSI: 000055756566b5e2 RDI: 0000000000000005
[   30.661059][    C2] RBP: 00007ffff69524d0 R08: 00007ffff6952520 R09: 0000000000000014
[   30.661060][    C2] R10: 0000000000000000 R11: 0000000000000202 R12: 0000557565668830
[   30.661061][    C2] R13: 0000000000001f6a R14: 0000000000000005 R15: 0000557565668830
| [   88.765335][  T785] softirqs last disabled at (0): 0x0
| [   88.765337][  T785] Preemption disabled at:
| [   88.765338][  T785] 0x0
| [   88.765347][  T785] Tainted: [W]=WARN
[   88.765348][  T785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.765349][  T785] Call Trace:
[   88.765351][  T785]  <TASK>
[   88.765352][  T785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.765357][  T785]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.765361][  T785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.765364][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765368][  T785]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.765372][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.765375][  T785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.765378][  T785]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.765380][  T785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.765382][  T785]  put_chars (drivers/char/virtio_console.c:1176)
[   88.765384][  T785]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   88.765386][  T785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.765388][  T785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   88.765391][  T785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.765401][  T785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.765402][  T785]  ? 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)
[   88.765404][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.765406][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765407][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765409][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765411][  T785]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.765414][  T785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.765416][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765418][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765419][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765421][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765423][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.765425][  T785]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.765427][  T785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.765429][  T785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.765431][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765433][  T785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.765434][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765436][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.765437][  T785]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.765439][  T785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.765441][  T785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.765443][  T785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.765445][  T785]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.765449][  T785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.765451][  T785]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   88.765455][  T785]  ? debug_object_activate (lib/debugobjects.c:884)
[   88.765458][  T785]  _printk (kernel/printk/printk.c:2504)
[   88.765461][  T785]  ? snapshot_read.cold (user.c:?)
[   88.765463][  T785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.765465][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765466][  T785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.765470][  T785] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   88.765483][  T785] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   88.765491][  T785] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   88.765497][  T785] br_dev_stop (net/bridge/br_device.c:193) bridge
[   88.765506][  T785]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.765510][  T785]  __dev_close_many (net/core/dev.c:1798)
[   88.765513][  T785]  ? netif_open (net/core/dev.c:1755)
[   88.765515][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765517][  T785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.765518][  T785]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   88.765521][  T785]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   88.765523][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   88.765525][  T785]  ? write_profile (profile.c:?)
[   88.765527][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.765530][  T785]  netif_change_flags (net/core/dev.c:9877)
[   88.765532][  T785]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   88.765535][  T785]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.765536][  T785]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.765537][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765539][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.765542][  T785]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.765545][  T785]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.765546][  T785]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.765548][  T785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.765549][  T785]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.765551][  T785]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.765552][  T785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.765553][  T785]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.765556][  T785]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.765557][  T785]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.765558][  T785]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.765561][  T785]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.765562][  T785]  ? __sys_sendmsg (net/socket.c:2799)
[   88.765564][  T785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.765567][  T785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.765569][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765571][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765572][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765574][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765576][  T785]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.765579][  T785]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   88.765581][  T785]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.765582][  T785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.765584][  T785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.765586][  T785]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.765588][  T785]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.765590][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765592][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.765593][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765594][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765596][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.765600][  T785]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.765601][  T785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.765603][  T785]  ? __kernel_text_address (kernel/extable.c:79)
[   88.765604][  T785]  ? write_profile (profile.c:?)
[   88.765605][  T785]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.765606][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765608][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765610][  T785]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.765613][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765615][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765616][  T785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.765618][  T785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.765619][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.765621][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.765622][  T785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.765625][  T785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.765626][  T785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.765627][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.765629][  T785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.765630][  T785]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.765633][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765635][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.765636][  T785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.765638][  T785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.765640][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765642][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765644][  T785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.765645][  T785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.765647][  T785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.765649][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765651][  T785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.765653][  T785]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.765654][  T785]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.765656][  T785]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.765658][  T785]  ? move_addr_to_kernel (net/socket.c:258)
[   88.765659][  T785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.765662][  T785]  ___sys_sendmsg (net/socket.c:2767)
[   88.765663][  T785]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.765668][  T785]  __sys_sendmsg (net/socket.c:2799)
[   88.765670][  T785]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.765673][  T785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.765675][  T785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.765676][  T785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.765678][  T785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.765680][  T785] RIP: 0033:0x7f42e4ab254e
[   88.765682][  T785] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.765683][  T785] RSP: 002b:00007ffe0f595330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.765687][  T785] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f42e4ab254e
[   88.765689][  T785] RDX: 0000000000000000 RSI: 00007ffe0f5953e0 RDI: 0000000000000005
[   88.765690][  T785] RBP: 00007ffe0f595340 R08: 0000000000000000 R09: 0000000000000000
[   88.765690][  T785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b3d5


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