======================================
| [    9.494876][  T188] softirqs last disabled at (34971): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.494878][  T188] Preemption disabled at:
| [    9.494878][  T188] 0x0
| [    9.494889][  T188] Tainted: [W]=WARN
[    9.494890][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.494891][  T188] Call Trace:
[    9.494893][  T188]  <TASK>
[    9.494895][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.494901][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.494905][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.494909][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.494915][  T188]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.494917][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.494923][  T188]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.494926][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.494929][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[    9.494932][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.494933][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.494938][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.494943][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.494949][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.494951][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.494954][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.494958][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.494961][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.494963][  T188]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.494966][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.494969][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.494972][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.494977][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.494983][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.494988][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.494991][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.494993][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.494995][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.494999][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.495001][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.495004][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.495008][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.495011][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.495015][  T188]  _printk (kernel/printk/printk.c:2504)
[    9.495019][  T188]  ? snapshot_read.cold (user.c:?)
[    9.495021][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.495024][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.495028][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.495030][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.495034][  T188]  ? exit_notify (kernel/exit.c:780)
[    9.495036][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.495039][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.495043][  T188]  do_group_exit (kernel/exit.c:1151)
[    9.495046][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.495048][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.495050][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.495053][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.495056][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.495058][  T188] RIP: 0033:0x7fa87c4491b8
[    9.495060][  T188] Code: Unable to access opcode bytes at 0x7fa87c44918e.

Code starting with the faulting instruction
===========================================
[    9.495061][  T188] RSP: 002b:00007ffd80925198 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.495064][  T188] RAX: ffffffffffffffda RBX: 00007fa87c579f88 RCX: 00007fa87c4491b8
[    9.495065][  T188] RDX: 00007fa87c193fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.495066][  T188] RBP: 00007ffd809251f0 R08: 0000000000000000 R09: 0000000000008010
[    9.495067][  T188] R10: 00007ffd80924fb0 R11: 0000000000000246 R12: 0000000000000001
[    9.495068][  T188] R13: 0000000000000000 R14: 00007fa87c578680 R15: 00007fa87c579fa0
| [   10.508654][  T245] softirqs last disabled at (25935): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.508656][  T245] Preemption disabled at:
| [   10.508657][  T245] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.508667][  T245] Tainted: [W]=WARN
[   10.508668][  T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.508669][  T245] Call Trace:
[   10.508671][  T245]  <TASK>
[   10.508672][  T245]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.508678][  T245]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.508681][  T245]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.508685][  T245]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.508689][  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)
[   10.508695][  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))
[   10.508697][  T245]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.508703][  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)
[   10.508706][  T245]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.508709][  T245]  put_chars (drivers/char/virtio_console.c:1176)
[   10.508712][  T245]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.508714][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.508719][  T245]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.508721][  T245]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.508726][  T245]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.508728][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.508733][  T245]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.508736][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.508741][  T245]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.508745][  T245]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.508747][  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))
[   10.508750][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.508753][  T245]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.508757][  T245]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.508761][  T245]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.508763][  T245]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.508768][  T245]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.508771][  T245]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.508773][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.508775][  T245]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.508779][  T245]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.508781][  T245]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.508784][  T245]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.508789][  T245]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.508795][  T245]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.508798][  T245]  _printk (kernel/printk/printk.c:2504)
[   10.508802][  T245]  ? snapshot_read.cold (user.c:?)
[   10.508809][  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)
[   10.508812][  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
[   10.508815][  T245]  do_one_initcall (init/main.c:1357)
[   10.508817][  T245]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.508822][  T245]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.508825][  T245]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.508830][  T245]  do_init_module (kernel/module/main.c:3117)
[   10.508834][  T245]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.508838][  T245]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.508842][  T245]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.508846][  T245]  load_module (kernel/module/main.c:3593)
[   10.508853][  T245]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.508857][  T245]  ? __ia32_sys_fsconfig (??:?)
[   10.508860][  T245]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.508864][  T245]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.508866][  T245]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.508869][  T245]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.508873][  T245]  init_module_from_file (kernel/module/main.c:3790)
[   10.508876][  T245]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.508884][  T245]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.508888][  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)
[   10.508891][  T245]  idempotent_init_module (kernel/module/main.c:3802)
[   10.508895][  T245]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.508901][  T245]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.508904][  T245]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.508910][  T245]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.508912][  T245]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.508916][  T245]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.508918][  T245]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.508921][  T245]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.508923][  T245] RIP: 0033:0x7f8b24fbb37d
[   10.508926][  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
[   10.508928][  T245] RSP: 002b:00007fff9190fe08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.508931][  T245] RAX: ffffffffffffffda RBX: 0000564743af3810 RCX: 00007f8b24fbb37d
[   10.508932][  T245] RDX: 0000000000000000 RSI: 000056471f9f4ffd RDI: 0000000000000000
[   10.508933][  T245] RBP: 00007fff9190fea0 R08: 0000000000000000 R09: 0000000000000000
[   10.508934][  T245] R10: 0000000000000000 R11: 0000000000000246 R12: 000056471f9f4ffd
[   10.508935][  T245] R13: 0000564743af3960 R14: 0000000000040000 R15: 0000000000000000
| [   11.622199][  T315] softirqs last disabled at (14083): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.622201][  T315] Preemption disabled at:
| [   11.622202][  T315] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.622211][  T315] Tainted: [W]=WARN
[   11.622212][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.622214][  T315] Call Trace:
[   11.622215][  T315]  <TASK>
[   11.622217][  T315]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.622222][  T315]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.622225][  T315]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.622229][  T315]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.622233][  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)
[   11.622239][  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))
[   11.622241][  T315]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.622247][  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)
[   11.622250][  T315]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.622253][  T315]  put_chars (drivers/char/virtio_console.c:1176)
[   11.622255][  T315]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   11.622257][  T315]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.622260][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.622264][  T315]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.622268][  T315]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.622271][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.622273][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.622278][  T315]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.622279][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.622282][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.622285][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.622289][  T315]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.622293][  T315]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.622295][  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))
[   11.622298][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.622300][  T315]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.622304][  T315]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.622308][  T315]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.622310][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.622315][  T315]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.622318][  T315]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.622320][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.622322][  T315]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.622326][  T315]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.622328][  T315]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.622331][  T315]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.622335][  T315]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.622341][  T315]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   11.622344][  T315]  _printk (kernel/printk/printk.c:2504)
[   11.622348][  T315]  ? snapshot_read.cold (user.c:?)
[   11.622354][  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)
[   11.622357][  T315] gact_init_module (net/sched/act_gact.c:180) act_gact
[   11.622359][  T315]  do_one_initcall (init/main.c:1357)
[   11.622362][  T315]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.622367][  T315]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.622370][  T315]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.622374][  T315]  do_init_module (kernel/module/main.c:3117)
[   11.622378][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.622383][  T315]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.622386][  T315]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.622390][  T315]  load_module (kernel/module/main.c:3593)
[   11.622397][  T315]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.622401][  T315]  ? __ia32_sys_fsconfig (??:?)
[   11.622405][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.622407][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.622411][  T315]  init_module_from_file (kernel/module/main.c:3790)
[   11.622414][  T315]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.622423][  T315]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.622426][  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)
[   11.622429][  T315]  idempotent_init_module (kernel/module/main.c:3802)
[   11.622433][  T315]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.622439][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.622442][  T315]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.622448][  T315]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.622450][  T315]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.622454][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.622456][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.622459][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.622461][  T315] RIP: 0033:0x7f3ed2ef837d
[   11.622466][  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
[   11.622468][  T315] RSP: 002b:00007fffceb1ad68 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.622471][  T315] RAX: ffffffffffffffda RBX: 000055dfc4f08810 RCX: 00007f3ed2ef837d
[   11.622472][  T315] RDX: 0000000000000000 RSI: 000055dfa6e78ffd RDI: 0000000000000000
[   11.622473][  T315] RBP: 00007fffceb1ae00 R08: 0000000000000000 R09: 0000000000000000
[   11.622474][  T315] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dfa6e78ffd
[   11.622475][  T315] R13: 000055dfc4f08960 R14: 0000000000040000 R15: 0000000000000000
| [   12.817961][  T416] softirqs last disabled at (13614): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.817964][  T416] Preemption disabled at:
| [   12.817964][  T416] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.817973][  T416] Tainted: [W]=WARN
[   12.817974][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.817976][  T416] Call Trace:
[   12.817978][  T416]  <TASK>
[   12.817979][  T416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.817985][  T416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.817988][  T416]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.817999][  T416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.818003][  T416]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.818008][  T416]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.818010][  T416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.818016][  T416]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.818019][  T416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.818022][  T416]  put_chars (drivers/char/virtio_console.c:1176)
[   12.818024][  T416]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.818026][  T416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.818029][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.818034][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.818036][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.818040][  T416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.818043][  T416]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.818045][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818046][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818050][  T416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.818052][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.818055][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818058][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.818062][  T416]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.818065][  T416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.818067][  T416]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.818070][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818073][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.818077][  T416]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.818081][  T416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.818083][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818088][  T416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.818091][  T416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.818093][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818095][  T416]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.818098][  T416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.818100][  T416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.818104][  T416]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.818108][  T416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.818110][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.818115][  T416]  _printk (kernel/printk/printk.c:2504)
[   12.818119][  T416]  ? snapshot_read.cold (user.c:?)
[   12.818123][  T416]  ? br_multicast_flood (??:?) bridge
[   12.818136][  T416]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.818137][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.818139][  T416]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.818143][  T416] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.818153][  T416] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.818162][  T416] new_nbp (net/bridge/br_if.c:449) bridge
[   12.818171][  T416] br_add_if (net/bridge/br_if.c:592) bridge
[   12.818178][  T416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.818182][  T416]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.818185][  T416]  ? __kernel_text_address (kernel/extable.c:79)
[   12.818189][  T416]  do_set_master (net/core/rtnetlink.c:3071)
[   12.818194][  T416]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.818197][  T416]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.818200][  T416]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.818201][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.818203][  T416]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.818207][  T416]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.818210][  T416]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.818211][  T416]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.818214][  T416]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.818217][  T416]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.818218][  T416]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.818221][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818223][  T416]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.818226][  T416]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.818230][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.818232][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.818235][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818237][  T416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.818239][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818241][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818243][  T416]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.818247][  T416]  ? __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)
[   12.818250][  T416]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.818252][  T416]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.818256][  T416]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.818257][  T416]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.818262][  T416]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.818268][  T416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.818273][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.818275][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818279][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.818281][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.818283][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.818285][  T416]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.818289][  T416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.818291][  T416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.818294][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.818296][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818300][  T416]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.818302][  T416]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.818305][  T416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.818307][  T416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.818310][  T416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.818316][  T416]  ? 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))
[   12.818317][  T416]  ? 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))
[   12.818322][  T416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.818326][  T416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.818328][  T416]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.818332][  T416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.818336][  T416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.818340][  T416]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.818345][  T416]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.818348][  T416]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.818350][  T416]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.818351][  T416]  ? move_addr_to_kernel (net/socket.c:258)
[   12.818359][  T416]  ___sys_sendmsg (net/socket.c:2767)
[   12.818362][  T416]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.818377][  T416]  __sys_sendmsg (net/socket.c:2799)
[   12.818380][  T416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.818386][  T416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.818390][  T416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.818392][  T416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.818396][  T416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.818398][  T416] RIP: 0033:0x7f1a56d1954e
[   12.818401][  T416] 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
[   12.818403][  T416] RSP: 002b:00007ffef1e4a110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.818406][  T416] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1a56d1954e
[   12.818408][  T416] RDX: 0000000000000000 RSI: 00007ffef1e4a1c0 RDI: 0000000000000005
[   12.818409][  T416] RBP: 00007ffef1e4a120 R08: 0000000000000000 R09: 0000000000000000
[   12.818409][  T416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918190
[   12.818410][  T416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef1e4a880
| [   28.045567][    C3] softirqs last disabled at (2132285): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.045569][    C3] Preemption disabled at:
| [   28.045570][    C3] 0x0
| [   28.045580][    C3] Tainted: [W]=WARN
[   28.045581][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.045583][    C3] Call Trace:
[   28.045584][    C3]  <IRQ>
[   28.045586][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.045592][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.045596][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.045600][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.045603][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045607][    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))
[   28.045610][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.045613][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.045616][    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)
[   28.045618][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.045620][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   28.045622][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.045624][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.045627][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.045630][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.045632][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045633][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.045635][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.045638][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.045640][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045641][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045643][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.045645][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.045646][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.045649][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.045651][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.045653][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.045655][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.045656][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045658][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.045659][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.045661][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.045663][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.045665][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.045667][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.045669][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.045680][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.045682][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.045688][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.045694][    C3]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   28.045698][    C3]  _printk (kernel/printk/printk.c:2504)
[   28.045701][    C3]  ? snapshot_read.cold (user.c:?)
[   28.045703][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.045707][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.045709][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.045710][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.045713][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.045716][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.045717][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.045719][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.045721][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.045723][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.045729][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045731][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.045733][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.045739][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.045740][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.045746][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.045753][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.045759][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   28.045762][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.045764][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.045767][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.045770][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.045771][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045773][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.045775][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.045782][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.045784][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.045786][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.045788][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.045790][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.045792][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.045794][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045796][    C3]  handle_softirqs (kernel/softirq.c:645)
[   28.045798][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.045800][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.045801][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.045803][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   28.045804][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.045807][    C3]  </IRQ>
[   28.045808][    C3]  <TASK>
[   28.045808][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.045810][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.045813][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.045815][    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
[   28.045817][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   28.045820][    C3] RAX: 000000000020893b RBX: ff11000001c88040 RCX: ffffffff81ef0307
[   28.045822][    C3] RDX: ff11000001c88040 RSI: ffffffff84c38af6 RDI: ffffffff8468d8e0
[   28.045823][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.045824][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   28.045824][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.045826][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.045829][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.045831][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   28.045833][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.045834][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   28.045836][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.045838][    C3]  ? default_idle_call (kernel/sched/idle.c:129)
[   28.045840][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.045842][    C3]  do_idle (kernel/sched/idle.c:355)
[   28.045843][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.045845][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.045847][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.045848][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.103511][    C3]
| [   28.103583][    C3]
| [   28.103583][    C3] stack backtrace:
| [   28.103861][    C3] Tainted: [W]=WARN
[   28.103862][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.103864][    C3] Call Trace:
[   28.103865][    C3]  <IRQ>
[   28.103866][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.103871][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.103874][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.103877][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.103879][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.103881][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.103883][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.103885][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.103892][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.103895][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.103897][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.103903][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.103905][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.103911][    C3] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.103918][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.103924][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   28.103926][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.103928][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.103932][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.103934][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.103936][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.103938][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.103940][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.103946][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.103948][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.103951][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.103953][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.103955][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.103957][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.103959][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.103961][    C3]  handle_softirqs (kernel/softirq.c:645)
[   28.103963][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.103965][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.103967][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.103968][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   28.103970][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.103972][    C3]  </IRQ>
[   28.103972][    C3]  <TASK>
[   28.103973][    C3]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.103974][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.103976][    C3] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.103979][    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
[   28.103980][    C3] RSP: 0018:ffa0000000167e00 EFLAGS: 00000282
[   28.103983][    C3] RAX: 000000000020893b RBX: ff11000001c88040 RCX: ffffffff81ef0307
[   28.103984][    C3] RDX: ff11000001c88040 RSI: ffffffff84c38af6 RDI: ffffffff8468d8e0
[   28.103985][    C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.103986][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc3
[   28.103987][    C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   28.103988][    C3]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.103990][    C3]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.103992][    C3]  default_idle_call (kernel/sched/idle.c:122)
[   28.103994][    C3]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.103996][    C3]  ? arch_cpu_idle_exit+0x40/0x40
[   28.103997][    C3]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.103999][    C3]  ? default_idle_call (kernel/sched/idle.c:129)
[   28.104001][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.104003][    C3]  do_idle (kernel/sched/idle.c:355)
[   28.104004][    C3]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.104006][    C3]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   28.104007][    C3]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   28.104009][    C3]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   37.026521][  T564] softirqs last disabled at (0): 0x0
| [   37.026523][  T564] Preemption disabled at:
| [   37.026523][  T564] 0x0
| [   37.026533][  T564] Tainted: [W]=WARN
[   37.026534][  T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.026535][  T564] Call Trace:
[   37.026537][  T564]  <TASK>
[   37.026538][  T564]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.026544][  T564]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.026548][  T564]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.026551][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026555][  T564]  __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))
[   37.026559][  T564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.026562][  T564]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.026565][  T564]  ? 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)
[   37.026567][  T564]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.026569][  T564]  put_chars (drivers/char/virtio_console.c:1176)
[   37.026571][  T564]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   37.026573][  T564]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.026575][  T564]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   37.026578][  T564]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.026582][  T564]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.026583][  T564]  ? 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)
[   37.026584][  T564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.026586][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026587][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026589][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026591][  T564]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.026594][  T564]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.026596][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026597][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026599][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026601][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026602][  T564]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   37.026604][  T564]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.026607][  T564]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.026609][  T564]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.026611][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026612][  T564]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.026614][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026616][  T564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.026617][  T564]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.026618][  T564]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   37.026620][  T564]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.026622][  T564]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.026624][  T564]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.026628][  T564]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.026630][  T564]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[   37.026634][  T564]  ? debug_object_activate (lib/debugobjects.c:884)
[   37.026636][  T564]  _printk (kernel/printk/printk.c:2504)
[   37.026639][  T564]  ? snapshot_read.cold (user.c:?)
[   37.026641][  T564]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   37.026643][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026645][  T564]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.026648][  T564] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   37.026661][  T564] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   37.026669][  T564] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   37.026675][  T564] br_dev_stop (net/bridge/br_device.c:193) bridge
[   37.026684][  T564]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   37.026688][  T564]  __dev_close_many (net/core/dev.c:1798)
[   37.026691][  T564]  ? netif_open (net/core/dev.c:1755)
[   37.026693][  T564]  ? trace_irq_enable.constprop.0 (./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/preemptirq.h:40)
[   37.026694][  T564]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   37.026697][  T564]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   37.026699][  T564]  ? __kernel_text_address (kernel/extable.c:79)
[   37.026701][  T564]  ? write_profile (profile.c:?)
[   37.026703][  T564]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.026706][  T564]  netif_change_flags (net/core/dev.c:9877)
[   37.026709][  T564]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   37.026711][  T564]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.026712][  T564]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.026713][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026715][  T564]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   37.026718][  T564]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.026721][  T564]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.026723][  T564]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.026724][  T564]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.026726][  T564]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   37.026727][  T564]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   37.026728][  T564]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.026729][  T564]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.026732][  T564]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.026733][  T564]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.026735][  T564]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.026737][  T564]  ? ___sys_sendmsg (net/socket.c:2767)
[   37.026738][  T564]  ? __sys_sendmsg (net/socket.c:2799)
[   37.026740][  T564]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.026743][  T564]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.026745][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026747][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026749][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026750][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026752][  T564]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.026755][  T564]  ? __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)
[   37.026757][  T564]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.026759][  T564]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.026760][  T564]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.026762][  T564]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.026764][  T564]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.026766][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026768][  T564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.026770][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026771][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026773][  T564]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   37.026776][  T564]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   37.026778][  T564]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   37.026779][  T564]  ? __kernel_text_address (kernel/extable.c:79)
[   37.026781][  T564]  ? write_profile (profile.c:?)
[   37.026782][  T564]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.026783][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026785][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026786][  T564]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   37.026790][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026791][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026793][  T564]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.026794][  T564]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.026796][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.026797][  T564]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   37.026799][  T564]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   37.026801][  T564]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.026803][  T564]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.026804][  T564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.026805][  T564]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.026807][  T564]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   37.026809][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026811][  T564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.026813][  T564]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.026815][  T564]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.026816][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026818][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026820][  T564]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.026821][  T564]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.026823][  T564]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.026825][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026827][  T564]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   37.026829][  T564]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.026830][  T564]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.026832][  T564]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.026834][  T564]  ? move_addr_to_kernel (net/socket.c:258)
[   37.026835][  T564]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   37.026838][  T564]  ___sys_sendmsg (net/socket.c:2767)
[   37.026839][  T564]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.026844][  T564]  __sys_sendmsg (net/socket.c:2799)
[   37.026846][  T564]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.026849][  T564]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.026851][  T564]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.026852][  T564]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.026854][  T564]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.026856][  T564] RIP: 0033:0x7fda8811154e
[   37.026858][  T564] 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
[   37.026859][  T564] RSP: 002b:00007ffdb0a650c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.026863][  T564] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fda8811154e
[   37.026865][  T564] RDX: 0000000000000000 RSI: 00007ffdb0a65170 RDI: 0000000000000005
[   37.026866][  T564] RBP: 00007ffdb0a650d0 R08: 0000000000000000 R09: 0000000000000000
[   37.026866][  T564] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9181a8


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