======================================
| [   11.472474][  T235] softirqs last disabled at (12914): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.472476][  T235] Preemption disabled at:
| [   11.472477][  T235] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.472487][  T235] Tainted: [W]=WARN
[   11.472488][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.472489][  T235] Call Trace:
[   11.472491][  T235]  <TASK>
[   11.472493][  T235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.472499][  T235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.472501][  T235]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.472506][  T235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.472510][  T235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.472515][  T235]  __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))
[   11.472518][  T235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.472523][  T235]  ? 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)
[   11.472526][  T235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.472530][  T235]  put_chars (drivers/char/virtio_console.c:1176)
[   11.472532][  T235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.472537][  T235]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.472540][  T235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.472543][  T235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.472545][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472547][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472551][  T235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.472553][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.472556][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472560][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.472564][  T235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.472568][  T235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.472570][  T235]  ? 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))
[   11.472573][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472576][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.472580][  T235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.472584][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.472586][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472591][  T235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.472594][  T235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.472596][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472598][  T235]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.472602][  T235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.472603][  T235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.472607][  T235]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.472611][  T235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.472613][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.472615][  T235]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.472619][  T235]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.472623][  T235]  _printk (kernel/printk/printk.c:2504)
[   11.472626][  T235]  ? snapshot_read.cold (user.c:?)
[   11.472630][  T235]  ? br_multicast_flood (??:?) bridge
[   11.472643][  T235]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.472645][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.472646][  T235]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.472650][  T235] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.472660][  T235] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.472669][  T235] new_nbp (net/bridge/br_if.c:449) bridge
[   11.472678][  T235] br_add_if (net/bridge/br_if.c:592) bridge
[   11.472686][  T235]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.472690][  T235]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.472693][  T235]  ? __kernel_text_address (kernel/extable.c:79)
[   11.472697][  T235]  do_set_master (net/core/rtnetlink.c:3071)
[   11.472702][  T235]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.472705][  T235]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.472708][  T235]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.472709][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.472712][  T235]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.472715][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.472718][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.472720][  T235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.472722][  T235]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.472725][  T235]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.472727][  T235]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.472730][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472732][  T235]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.472735][  T235]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.472739][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.472741][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.472744][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472746][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.472748][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472749][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472752][  T235]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.472756][  T235]  ? __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)
[   11.472757][  T235]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.472759][  T235]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.472763][  T235]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.472764][  T235]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.472769][  T235]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.472775][  T235]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.472780][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.472782][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472787][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.472789][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.472791][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.472793][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.472796][  T235]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.472798][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.472801][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.472803][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472807][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.472809][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.472813][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.472814][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.472817][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.472824][  T235]  ? 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))
[   11.472825][  T235]  ? 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))
[   11.472829][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.472833][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.472836][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.472840][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.472844][  T235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.472848][  T235]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.472853][  T235]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.472856][  T235]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.472858][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.472860][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   11.472867][  T235]  ___sys_sendmsg (net/socket.c:2767)
[   11.472870][  T235]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.472886][  T235]  __sys_sendmsg (net/socket.c:2799)
[   11.472889][  T235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.472895][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.472899][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.472901][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.472905][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.472913][  T235] RIP: 0033:0x7fd767df154e
[   11.472917][  T235] 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
[   11.472919][  T235] RSP: 002b:00007fff9a76ac50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.472922][  T235] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd767df154e
[   11.472923][  T235] RDX: 0000000000000000 RSI: 00007fff9a76ad00 RDI: 0000000000000005
[   11.472924][  T235] RBP: 00007fff9a76ac60 R08: 0000000000000000 R09: 0000000000000000
[   11.472925][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d88
[   11.472926][  T235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9a76b3c0
| [   17.082110][  T263] softirqs last disabled at (15375): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   17.082113][  T263] Preemption disabled at:
| [   17.082113][  T263] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.082123][  T263] Tainted: [W]=WARN
[   17.082124][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.082125][  T263] Call Trace:
[   17.082127][  T263]  <TASK>
[   17.082128][  T263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.082134][  T263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.082136][  T263]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.082140][  T263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.082144][  T263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.082149][  T263]  __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))
[   17.082152][  T263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.082158][  T263]  ? 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)
[   17.082160][  T263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.082163][  T263]  put_chars (drivers/char/virtio_console.c:1176)
[   17.082165][  T263]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   17.082168][  T263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.082171][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.082174][  T263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.082178][  T263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.082181][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.082182][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.082187][  T263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.082188][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   17.082191][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.082194][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.082198][  T263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.082202][  T263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.082204][  T263]  ? 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))
[   17.082207][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.082210][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.082214][  T263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.082218][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.082220][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.082225][  T263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.082228][  T263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.082230][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.082232][  T263]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.082236][  T263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.082238][  T263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.082241][  T263]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.082245][  T263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.082251][  T263]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   17.082254][  T263]  _printk (kernel/printk/printk.c:2504)
[   17.082258][  T263]  ? snapshot_read.cold (user.c:?)
[   17.082264][  T263]  ? 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)
[   17.082267][  T263] gact_init_module (net/sched/act_gact.c:180) act_gact
[   17.082270][  T263]  do_one_initcall (init/main.c:1357)
[   17.082273][  T263]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   17.082277][  T263]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   17.082280][  T263]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   17.082285][  T263]  do_init_module (kernel/module/main.c:3117)
[   17.082289][  T263]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   17.082293][  T263]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   17.082297][  T263]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   17.082301][  T263]  load_module (kernel/module/main.c:3593)
[   17.082308][  T263]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   17.082312][  T263]  ? __ia32_sys_fsconfig (??:?)
[   17.082315][  T263]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   17.082319][  T263]  ? backing_file_read_iter (fs/backing-file.c:211)
[   17.082322][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.082326][  T263]  init_module_from_file (kernel/module/main.c:3790)
[   17.082329][  T263]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   17.082338][  T263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.082341][  T263]  ? 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)
[   17.082345][  T263]  idempotent_init_module (kernel/module/main.c:3802)
[   17.082349][  T263]  ? init_module_from_file (kernel/module/main.c:3791)
[   17.082355][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.082357][  T263]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   17.082364][  T263]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   17.082366][  T263]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.082369][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.082371][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.082374][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.082376][  T263] RIP: 0033:0x7f9126dcf37d
[   17.082380][  T263] 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
[   17.082382][  T263] RSP: 002b:00007fffcf09ade8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   17.082384][  T263] RAX: ffffffffffffffda RBX: 000055d511416810 RCX: 00007f9126dcf37d
[   17.082386][  T263] RDX: 0000000000000000 RSI: 000055d500662ffd RDI: 0000000000000000
[   17.082387][  T263] RBP: 00007fffcf09ae80 R08: 0000000000000000 R09: 0000000000000000
[   17.082388][  T263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d500662ffd
[   17.082389][  T263] R13: 000055d511416960 R14: 0000000000040000 R15: 0000000000000000
| [   26.998224][    C1] softirqs last disabled at (608551): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.998227][    C1] Preemption disabled at:
| [   26.998228][    C1] 0x0
| [   26.998242][    C1] Tainted: [W]=WARN
[   26.998243][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.998246][    C1] Call Trace:
[   26.998248][    C1]  <IRQ>
[   26.998251][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.998258][    C1]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.998263][    C1]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.998267][    C1]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.998271][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998276][    C1]  __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))
[   26.998280][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.998284][    C1]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.998288][    C1]  ? 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)
[   26.998291][    C1]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.998294][    C1]  put_chars (drivers/char/virtio_console.c:1176)
[   26.998297][    C1]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.998299][    C1]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.998304][    C1]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.998309][    C1]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.998311][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998313][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998317][    C1]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.998320][    C1]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.998323][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998326][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998328][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998331][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.998334][    C1]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.998337][    C1]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.998341][    C1]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.998344][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998346][    C1]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.998348][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998351][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.998353][    C1]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.998356][    C1]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.998359][    C1]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.998362][    C1]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.998365][    C1]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.998368][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998385][    C1]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.998388][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998399][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998411][    C1]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.998416][    C1]  _printk (kernel/printk/printk.c:2504)
[   26.998420][    C1]  ? snapshot_read.cold (user.c:?)
[   26.998422][    C1]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.998428][    C1]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.998431][    C1]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.998434][    C1]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.998437][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.998442][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.998445][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.998447][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.998451][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.998453][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998465][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998467][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.998470][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.998481][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.998484][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998495][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.998507][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.998518][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   26.998522][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.998524][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.998528][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.998531][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.998534][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998538][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.998540][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.998553][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.998555][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.998559][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.998563][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.998566][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.998568][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.998572][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998574][    C1]  handle_softirqs (kernel/softirq.c:645)
[   26.998577][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.998580][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.998583][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.998585][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   26.998588][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.998591][    C1]  </IRQ>
[   26.998592][    C1]  <TASK>
[   26.998593][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.998596][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.998599][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.998603][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.998606][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   26.998610][    C1] RAX: 0000000000094925 RBX: ff11000001bea380 RCX: ffffffff904f0307
[   26.998612][    C1] RDX: ff11000001bea380 RSI: ffffffff93238b01 RDI: ffffffff92c8d8e0
[   26.998613][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.998615][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   26.998616][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.998619][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.998623][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.998626][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   26.998628][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.998631][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   26.998633][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.998636][    C1]  ? default_idle_call (kernel/sched/idle.c:129)
[   26.998638][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.998641][    C1]  do_idle (kernel/sched/idle.c:355)
[   26.998644][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.998646][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.998649][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.998652][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.098557][    C1]
| [   27.098662][    C1]
| [   27.098662][    C1] stack backtrace:
| [   27.099001][    C1] Tainted: [W]=WARN
[   27.099002][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.099004][    C1] Call Trace:
[   27.099005][    C1]  <IRQ>
[   27.099007][    C1]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.099012][    C1]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.099016][    C1]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.099021][    C1]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.099024][    C1]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.099026][    C1]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.099030][    C1]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.099032][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.099046][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099049][    C1]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.099052][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.099064][    C1]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.099066][    C1]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.099078][    C1] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.099089][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.099102][    C1]  call_timer_fn (kernel/time/timer.c:1748)
[   27.099105][    C1]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.099108][    C1]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.099111][    C1]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.099115][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.099118][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099121][    C1]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.099124][    C1]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.099136][    C1]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.099139][    C1]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.099143][    C1]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.099147][    C1]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.099150][    C1]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.099153][    C1]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.099156][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099159][    C1]  handle_softirqs (kernel/softirq.c:645)
[   27.099162][    C1]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.099164][    C1]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.099167][    C1]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.099170][    C1]  irq_exit_rcu (kernel/softirq.c:784)
[   27.099172][    C1]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.099174][    C1]  </IRQ>
[   27.099175][    C1]  <TASK>
[   27.099176][    C1]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.099179][    C1]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.099181][    C1] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.099184][    C1] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.099187][    C1] RSP: 0018:ffa0000000147e00 EFLAGS: 00000282
[   27.099189][    C1] RAX: 0000000000094925 RBX: ff11000001bea380 RCX: ffffffff904f0307
[   27.099191][    C1] RDX: ff11000001bea380 RSI: ffffffff93238b01 RDI: ffffffff92c8d8e0
[   27.099193][    C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.099194][    C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc3
[   27.099195][    C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.099198][    C1]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.099201][    C1]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.099204][    C1]  default_idle_call (kernel/sched/idle.c:122)
[   27.099206][    C1]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.099209][    C1]  ? arch_cpu_idle_exit+0x40/0x40
[   27.099211][    C1]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.099214][    C1]  ? default_idle_call (kernel/sched/idle.c:129)
[   27.099216][    C1]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.099219][    C1]  do_idle (kernel/sched/idle.c:355)
[   27.099222][    C1]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.099224][    C1]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.099226][    C1]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.099230][    C1]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.596945][  T482] softirqs last disabled at (0): 0x0
| [   29.596947][  T482] Preemption disabled at:
| [   29.596948][  T482] 0x0
| [   29.596956][  T482] Tainted: [W]=WARN
[   29.596957][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.596959][  T482] Call Trace:
[   29.596960][  T482]  <TASK>
[   29.596962][  T482]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.596967][  T482]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.596971][  T482]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.596975][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.596979][  T482]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.596983][  T482]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.596990][  T482]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.596993][  T482]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.596995][  T482]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.596997][  T482]  put_chars (drivers/char/virtio_console.c:1176)
[   29.596999][  T482]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.597001][  T482]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   29.597004][  T482]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.597008][  T482]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.597010][  T482]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.597012][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597014][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597016][  T482]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.597019][  T482]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.597021][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597022][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597024][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597026][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597027][  T482]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.597029][  T482]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.597031][  T482]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.597034][  T482]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.597036][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597037][  T482]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.597039][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597041][  T482]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.597042][  T482]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.597043][  T482]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.597045][  T482]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.597047][  T482]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.597049][  T482]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.597052][  T482]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.597054][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597055][  T482]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.597058][  T482]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.597059][  T482]  _printk (kernel/printk/printk.c:2504)
[   29.597063][  T482]  ? snapshot_read.cold (user.c:?)
[   29.597065][  T482]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   29.597072][  T482] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.597085][  T482] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.597093][  T482] br_device_event (net/bridge/br.c:111) bridge
[   29.597101][  T482]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   29.597105][  T482]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   29.597107][  T482]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   29.597111][  T482]  notifier_call_chain (kernel/notifier.c:85)
[   29.597114][  T482]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   29.597118][  T482]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.597119][  T482]  ? netif_change_name (net/core/dev.c:1517)
[   29.597121][  T482]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.597123][  T482]  ? __kernel_text_address (kernel/extable.c:79)
[   29.597126][  T482]  ? write_profile (profile.c:?)
[   29.597128][  T482]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.597131][  T482]  netif_change_flags (net/core/dev.c:9882)
[   29.597133][  T482]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.597136][  T482]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.597137][  T482]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.597138][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597140][  T482]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.597144][  T482]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.597147][  T482]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.597149][  T482]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.597150][  T482]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   29.597152][  T482]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   29.597153][  T482]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   29.597154][  T482]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.597155][  T482]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.597158][  T482]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.597159][  T482]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.597161][  T482]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.597163][  T482]  ? ___sys_sendmsg (net/socket.c:2767)
[   29.597165][  T482]  ? __sys_sendmsg (net/socket.c:2799)
[   29.597166][  T482]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.597168][  T482]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.597171][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597173][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597174][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597176][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597177][  T482]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.597181][  T482]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   29.597182][  T482]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.597183][  T482]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.597185][  T482]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.597187][  T482]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.597189][  T482]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.597191][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597193][  T482]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.597194][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597195][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597197][  T482]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   29.597201][  T482]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   29.597202][  T482]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   29.597204][  T482]  ? __kernel_text_address (kernel/extable.c:79)
[   29.597205][  T482]  ? write_profile (profile.c:?)
[   29.597206][  T482]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.597207][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597209][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597211][  T482]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   29.597214][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597216][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597218][  T482]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.597219][  T482]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.597221][  T482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.597222][  T482]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.597223][  T482]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   29.597226][  T482]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.597228][  T482]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.597229][  T482]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.597230][  T482]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.597232][  T482]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   29.597234][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597236][  T482]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.597238][  T482]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.597240][  T482]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.597241][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597243][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597245][  T482]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.597246][  T482]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.597248][  T482]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.597250][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597252][  T482]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.597254][  T482]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.597255][  T482]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.597257][  T482]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.597259][  T482]  ? move_addr_to_kernel (net/socket.c:258)
[   29.597260][  T482]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   29.597263][  T482]  ___sys_sendmsg (net/socket.c:2767)
[   29.597265][  T482]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.597270][  T482]  __sys_sendmsg (net/socket.c:2799)
[   29.597271][  T482]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.597274][  T482]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.597276][  T482]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.597277][  T482]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.597280][  T482]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.597281][  T482] RIP: 0033:0x7fb18454554e
[   29.597283][  T482] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.597285][  T482] RSP: 002b:00007ffd492da5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.597289][  T482] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb18454554e
[   29.597290][  T482] RDX: 0000000000000000 RSI: 00007ffd492da650 RDI: 0000000000000005
[   29.597291][  T482] RBP: 00007ffd492da5b0 R08: 0000000000000000 R09: 0000000000000000
[   29.597292][  T482] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d9b


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