======================================
| [   10.510572][  T208] softirqs last disabled at (14901): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.510575][  T208] Preemption disabled at:
| [   10.510575][  T208] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.510585][  T208] Tainted: [W]=WARN
[   10.510586][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.510587][  T208] Call Trace:
[   10.510589][  T208]  <TASK>
[   10.510591][  T208]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.510596][  T208]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.510598][  T208]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.510602][  T208]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.510606][  T208]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.510611][  T208]  __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))
[   10.510614][  T208]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.510620][  T208]  ? 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)
[   10.510622][  T208]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.510626][  T208]  put_chars (drivers/char/virtio_console.c:1176)
[   10.510629][  T208]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   10.510631][  T208]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.510634][  T208]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.510640][  T208]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.510648][  T208]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.510650][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510654][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.510658][  T208]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.510662][  T208]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.510666][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510668][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.510672][  T208]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.510676][  T208]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.510677][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510679][  T208]  ? exc_int3 (arch/x86/kernel/traps.c:1034)
[   10.510684][  T208]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.510687][  T208]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.510688][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510690][  T208]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.510694][  T208]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.510696][  T208]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.510699][  T208]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.510703][  T208]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.510705][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.510707][  T208]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.510710][  T208]  ? bond_poll_controller (drivers/net/bonding/bond_main.c:1449)
[   10.510713][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.510717][  T208]  _printk (kernel/printk/printk.c:2504)
[   10.510720][  T208]  ? snapshot_read.cold (user.c:?)
[   10.510724][  T208]  ? br_multicast_flood (??:?)
[   10.510728][  T208]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.510729][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.510731][  T208]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.510736][  T208]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   10.510739][  T208]  br_init_port (net/bridge/br_stp_if.c:39)
[   10.510742][  T208]  new_nbp (net/bridge/br_if.c:449)
[   10.510746][  T208]  br_add_if (net/bridge/br_if.c:592)
[   10.510749][  T208]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.510755][  T208]  do_set_master (net/core/rtnetlink.c:3071)
[   10.510759][  T208]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.510763][  T208]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.510766][  T208]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.510768][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.510771][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.510775][  T208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.510777][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.510779][  T208]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.510782][  T208]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.510784][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.510785][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.510788][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510790][  T208]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.510793][  T208]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.510798][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.510800][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.510803][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510805][  T208]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.510807][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510809][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510811][  T208]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.510814][  T208]  ? __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)
[   10.510815][  T208]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.510817][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.510821][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.510823][  T208]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.510829][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.510835][  T208]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.510841][  T208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.510843][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510848][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.510850][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.510853][  T208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.510855][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.510859][  T208]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.510862][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.510865][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.510867][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510872][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.510874][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.510878][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.510880][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.510883][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.510890][  T208]  ? 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))
[   10.510891][  T208]  ? 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))
[   10.510896][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.510900][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.510902][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.510907][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.510911][  T208]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.510915][  T208]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.510921][  T208]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.510923][  T208]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.510925][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.510926][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[   10.510934][  T208]  ___sys_sendmsg (net/socket.c:2767)
[   10.510936][  T208]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.510953][  T208]  __sys_sendmsg (net/socket.c:2799)
[   10.510955][  T208]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.510962][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.510965][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.510967][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.510969][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.510972][  T208] RIP: 0033:0x7f9c37efb54e
[   10.510976][  T208] 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
[   10.510977][  T208] RSP: 002b:00007ffe1ab101b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.510980][  T208] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9c37efb54e
[   10.510981][  T208] RDX: 0000000000000000 RSI: 00007ffe1ab10260 RDI: 0000000000000005
[   10.510982][  T208] RBP: 00007ffe1ab101c0 R08: 0000000000000000 R09: 0000000000000000
[   10.510983][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f1d
[   10.510984][  T208] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1ab10920
| [   10.988773][    C0]
| [   10.988850][    C0]
| [   10.988850][    C0] stack backtrace:
| [   10.989049][    C0] Tainted: [W]=WARN
[   10.989050][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.989052][    C0] Call Trace:
[   10.989053][    C0]  <IRQ>
[   10.989054][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.989057][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   10.989060][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   10.989063][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   10.989065][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   10.989067][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   10.989070][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.989072][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   10.989073][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.989076][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.989078][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   10.989080][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   10.989081][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   10.989083][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   10.989084][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   10.989086][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   10.989087][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   10.989089][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   10.989092][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.989094][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.989096][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.989098][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   10.989099][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   10.989101][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   10.989103][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.989106][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.989107][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   10.989109][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   10.989110][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.989112][    C0]  handle_softirqs (kernel/softirq.c:645)
[   10.989114][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.989116][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   10.989118][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   10.989120][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   10.989122][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   10.989123][    C0]  </IRQ>
[   10.989124][    C0]  <TASK>
[   10.989125][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   10.989126][    C0] RIP: 0010:lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5912 (discriminator 1))
[   10.989129][    C0] Code: ff 65 0f c1 05 ff 77 61 04 83 f8 01 4c 8b 14 24 0f 85 35 01 00 00 9c 58 f6 c4 02 0f 85 52 01 00 00 4d 85 d2 0f 85 1b 01 00 00 <48> 8b 44 24 30 65 48 2b 05 d1 32 61 04 0f 85 48 01 00 00 48 83 c4
All code
========
   0:	ff 65 0f             	jmp    *0xf(%rbp)
   3:	c1 05 ff 77 61 04 83 	roll   $0x83,0x46177ff(%rip)        # 0x4617809
   a:	f8                   	clc
   b:	01 4c 8b 14          	add    %ecx,0x14(%rbx,%rcx,4)
   f:	24 0f                	and    $0xf,%al
  11:	85 35 01 00 00 9c    	test   %esi,-0x63ffffff(%rip)        # 0xffffffff9c000018
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	0f 85 52 01 00 00    	jne    0x173
  21:	4d 85 d2             	test   %r10,%r10
  24:	0f 85 1b 01 00 00    	jne    0x145
  2a:*	48 8b 44 24 30       	mov    0x30(%rsp),%rax		<-- trapping instruction
  2f:	65 48 2b 05 d1 32 61 	sub    %gs:0x46132d1(%rip),%rax        # 0x4613308
  36:	04 
  37:	0f 85 48 01 00 00    	jne    0x185
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4

Code starting with the faulting instruction
===========================================
   0:	48 8b 44 24 30       	mov    0x30(%rsp),%rax
   5:	65 48 2b 05 d1 32 61 	sub    %gs:0x46132d1(%rip),%rax        # 0x46132de
   c:	04 
   d:	0f 85 48 01 00 00    	jne    0x15b
  13:	48                   	rex.W
  14:	83                   	.byte 0x83
  15:	c4                   	.byte 0xc4
[   10.989130][    C0] RSP: 0018:ffa00000016274c8 EFLAGS: 00000206
[   10.989132][    C0] RAX: 0000000000000046 RBX: 0000000000000000 RCX: ce61a356df646770
[   10.989134][    C0] RDX: 0000000000000000 RSI: ffffffffa9a90f7d RDI: ffffffffa948f560
[   10.989135][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ff1100000d2151f8
[   10.989135][    C0] R10: 0000000000000200 R11: 0000000000000001 R12: ffffffffa9fb0b00
[   10.989136][    C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   10.989138][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.989140][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.989142][    C0]  unwind_next_frame (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   10.989144][    C0]  ? unwind_next_frame (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2))
[   10.989145][    C0]  ? do_group_exit (kernel/exit.c:1151)
[   10.989147][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   10.989149][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   10.989151][    C0]  ? write_profile (profile.c:?)
[   10.989153][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   10.989155][    C0]  ? do_group_exit (kernel/exit.c:1151)
[   10.989157][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.989158][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   10.989161][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[   10.989162][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.989163][    C0]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.989164][    C0]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   10.989165][    C0]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   10.989167][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   10.989168][    C0]  ? __create_object (mm/kmemleak.c:801)
[   10.989169][    C0]  ? __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5559)
[   10.989171][    C0]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   10.989172][    C0]  ? tear_down_vmas (mm/mmap.c:1277)
[   10.989174][    C0]  ? exit_mmap (mm/mmap.c:1335)
[   10.989176][    C0]  ? mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   10.989177][    C0]  ? exit_mm (kernel/exit.c:614)
[   10.989178][    C0]  ? do_exit (kernel/exit.c:996)
[   10.989179][    C0]  ? do_group_exit (kernel/exit.c:1151)
[   10.989187][    C0]  kasan_save_track (mm/kasan/common.c:78)
[   10.989189][    C0]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   10.989190][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[   10.989192][    C0]  ? __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.989193][    C0]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   10.989195][    C0]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   10.989197][    C0]  __create_object (mm/kmemleak.c:801)
[   10.989198][    C0]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5559)
[   10.989200][    C0]  ? kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   10.989202][    C0]  ? tear_down_vmas (mm/mmap.c:1277)
[   10.989204][    C0]  kmem_cache_free (./include/linux/slab.h:991 (discriminator 1) mm/slub.c:2700 (discriminator 1) mm/slub.c:6499 (discriminator 1) mm/slub.c:6626 (discriminator 1))
[   10.989206][    C0]  ? fput (./include/linux/preempt.h:500 ./include/linux/file_ref.h:150 fs/file_table.c:588)
[   10.989208][    C0]  tear_down_vmas (mm/mmap.c:1277)
[   10.989211][    C0]  exit_mmap (mm/mmap.c:1335)
[   10.989213][    C0]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   10.989215][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.989216][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.989218][    C0]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   10.989220][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.989225][    C0]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   10.989227][    C0]  exit_mm (kernel/exit.c:614)
[   10.989228][    C0]  do_exit (kernel/exit.c:996)
[   10.989230][    C0]  ? exit_notify (kernel/exit.c:780)
[   10.989231][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.989233][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.989235][    C0]  do_group_exit (kernel/exit.c:1151)
[   10.989237][    C0]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.989238][    C0]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.989240][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.989241][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.989243][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.989244][    C0] RIP: 0033:0x7f44359201b8
[   10.989247][    C0] Code: Unable to access opcode bytes at 0x7f443592018e.

Code starting with the faulting instruction
===========================================
[   10.989247][    C0] RSP: 002b:00007ffe5ba401b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.989249][    C0] RAX: ffffffffffffffda RBX: 00007f4435a50f88 RCX: 00007f44359201b8
[   10.989250][    C0] RDX: 00007f443566b588 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.989251][    C0] RBP: 00007ffe5ba40210 R08: 0000000000000000 R09: 0000000000000000
[   10.989251][    C0] R10: 00007ffe5ba3ffb0 R11: 0000000000000246 R12: 0000000000000001
[   10.989252][    C0] R13: 0000000000000000 R14: 00007f4435a4f680 R15: 00007f4435a50fa0
| [   12.166237][  T284] softirqs last disabled at (0): 0x0
| [   12.166239][  T284] Preemption disabled at:
| [   12.166240][  T284] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.166250][  T284] Tainted: [W]=WARN
[   12.166251][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.166253][  T284] Call Trace:
[   12.166254][  T284]  <TASK>
[   12.166255][  T284]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.166260][  T284]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.166261][  T284]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.166265][  T284]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.166267][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166270][  T284]  __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))
[   12.166274][  T284]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.166276][  T284]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.166281][  T284]  ? 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)
[   12.166282][  T284]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.166284][  T284]  put_chars (drivers/char/virtio_console.c:1176)
[   12.166286][  T284]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.166288][  T284]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.166290][  T284]  ? desc_read (kernel/printk/printk_ringbuffer.c:500)
[   12.166292][  T284]  ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552)
[   12.166294][  T284]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.166298][  T284]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.166300][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166301][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.166304][  T284]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.166307][  T284]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.166308][  T284]  ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996)
[   12.166310][  T284]  ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1))
[   12.166312][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166313][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166314][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166316][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.166318][  T284]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   12.166319][  T284]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.166321][  T284]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.166323][  T284]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.166324][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.166326][  T284]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.166327][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166328][  T284]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.166330][  T284]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.166332][  T284]  ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98)
[   12.166333][  T284]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.166336][  T284]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.166337][  T284]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.166339][  T284]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.166340][  T284]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.166344][  T284]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.166345][  T284]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.166350][  T284]  ? ___sys_sendmsg (net/socket.c:2767)
[   12.166351][  T284]  ? __sys_sendmsg (net/socket.c:2799)
[   12.166352][  T284]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.166355][  T284]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.166357][  T284]  _printk (kernel/printk/printk.c:2504)
[   12.166360][  T284]  ? snapshot_read.cold (user.c:?)
[   12.166362][  T284]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.166364][  T284]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.166366][  T284]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.166368][  T284]  ? netdev_notice (net/core/dev.c:13194)
[   12.166370][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166371][  T284]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   12.166373][  T284]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   12.166376][  T284]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   12.166377][  T284]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   12.166379][  T284]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   12.166382][  T284]  dev_set_allmulti (net/core/dev_api.c:315)
[   12.166385][  T284]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   12.166388][  T284]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   12.166390][  T284]  br_dev_delete (net/bridge/br_if.c:387)
[   12.166393][  T284]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   12.166395][  T284]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.166397][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166398][  T284]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   12.166400][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166406][  T284]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   12.166409][  T284]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.166410][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166411][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166412][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.166414][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166415][  T284]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.166417][  T284]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   12.166420][  T284]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.166422][  T284]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.166424][  T284]  ? __kernel_text_address (kernel/extable.c:79)
[   12.166426][  T284]  ? write_profile (profile.c:?)
[   12.166428][  T284]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.166430][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166431][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166433][  T284]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.166436][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.166437][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166439][  T284]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   12.166441][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.166443][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.166444][  T284]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   12.166446][  T284]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   12.166450][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.166451][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.166453][  T284]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.166455][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.166456][  T284]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   12.166459][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166460][  T284]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.166462][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.166464][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.166466][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166467][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166468][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.166470][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.166472][  T284]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.166474][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166476][  T284]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.166478][  T284]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.166479][  T284]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.166480][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.166481][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   12.166483][  T284]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   12.166485][  T284]  ___sys_sendmsg (net/socket.c:2767)
[   12.166487][  T284]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.166492][  T284]  __sys_sendmsg (net/socket.c:2799)
[   12.166493][  T284]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.166496][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.166498][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.166499][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.166501][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.166502][  T284] RIP: 0033:0x7f4f1017b54e
[   12.166504][  T284] 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
[   12.166506][  T284] RSP: 002b:00007ffef5945400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.166510][  T284] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4f1017b54e
[   12.166511][  T284] RDX: 0000000000000000 RSI: 00007ffef59454b0 RDI: 0000000000000005
[   12.166512][  T284] RBP: 00007ffef5945410 R08: 0000000000000000 R09: 0000000000000000
[   12.166513][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918f1e


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