======================================
| [   12.196378][  T243] softirqs last disabled at (12130): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.196380][  T243] Preemption disabled at:
| [   12.196381][  T243] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.196391][  T243] Tainted: [W]=WARN
[   12.196392][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.196394][  T243] Call Trace:
[   12.196395][  T243]  <TASK>
[   12.196397][  T243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.196403][  T243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.196406][  T243]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.196410][  T243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.196414][  T243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.196420][  T243]  __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))
[   12.196422][  T243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.196428][  T243]  ? 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)
[   12.196430][  T243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.196434][  T243]  put_chars (drivers/char/virtio_console.c:1176)
[   12.196437][  T243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.196441][  T243]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.196445][  T243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.196448][  T243]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.196450][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196451][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196456][  T243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.196458][  T243]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.196461][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196465][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.196469][  T243]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.196473][  T243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.196474][  T243]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.196478][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196480][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.196484][  T243]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.196488][  T243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.196490][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196496][  T243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.196499][  T243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.196500][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196503][  T243]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.196506][  T243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.196508][  T243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.196512][  T243]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.196516][  T243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.196518][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.196520][  T243]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.196524][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.196528][  T243]  _printk (kernel/printk/printk.c:2504)
[   12.196532][  T243]  ? snapshot_read.cold (user.c:?)
[   12.196536][  T243]  ? br_multicast_flood (??:?) bridge
[   12.196549][  T243]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.196550][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.196551][  T243]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.196556][  T243] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.196569][  T243] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.196579][  T243] new_nbp (net/bridge/br_if.c:449) bridge
[   12.196589][  T243] br_add_if (net/bridge/br_if.c:592) bridge
[   12.196596][  T243]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.196600][  T243]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.196603][  T243]  ? __kernel_text_address (kernel/extable.c:79)
[   12.196607][  T243]  do_set_master (net/core/rtnetlink.c:3071)
[   12.196612][  T243]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.196615][  T243]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.196618][  T243]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.196619][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.196622][  T243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.196625][  T243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.196628][  T243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.196630][  T243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.196633][  T243]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.196636][  T243]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.196638][  T243]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.196640][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196642][  T243]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.196645][  T243]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.196650][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.196652][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.196655][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196657][  T243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.196659][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196660][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196663][  T243]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.196667][  T243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.196668][  T243]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.196670][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.196674][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.196676][  T243]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.196681][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.196686][  T243]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.196691][  T243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.196693][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196698][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.196700][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.196702][  T243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.196704][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.196708][  T243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.196710][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.196713][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.196714][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196719][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.196721][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.196724][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.196726][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.196729][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.196735][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.196737][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.196741][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.196745][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.196748][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.196752][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.196756][  T243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.196760][  T243]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.196765][  T243]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.196768][  T243]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.196770][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.196772][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   12.196779][  T243]  ___sys_sendmsg (net/socket.c:2767)
[   12.196782][  T243]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.196799][  T243]  __sys_sendmsg (net/socket.c:2799)
[   12.196802][  T243]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.196808][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.196812][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.196814][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.196818][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.196820][  T243] RIP: 0033:0x7fc54211354e
[   12.196823][  T243] 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
[   12.196825][  T243] RSP: 002b:00007fff813fd9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.196828][  T243] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc54211354e
[   12.196830][  T243] RDX: 0000000000000000 RSI: 00007fff813fda90 RDI: 0000000000000005
[   12.196830][  T243] RBP: 00007fff813fd9f0 R08: 0000000000000000 R09: 0000000000000000
[   12.196831][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913a0d
[   12.196832][  T243] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff813fe150
| [   20.007517][  T300] softirqs last disabled at (23555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.007519][  T300] Preemption disabled at:
| [   20.007520][  T300] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.007530][  T300] Tainted: [W]=WARN
[   20.007530][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.007532][  T300] Call Trace:
[   20.007534][  T300]  <TASK>
[   20.007535][  T300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.007541][  T300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.007543][  T300]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.007548][  T300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.007552][  T300]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.007557][  T300]  __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))
[   20.007559][  T300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.007565][  T300]  ? 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)
[   20.007568][  T300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.007571][  T300]  put_chars (drivers/char/virtio_console.c:1176)
[   20.007573][  T300]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   20.007575][  T300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.007578][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.007582][  T300]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.007586][  T300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.007589][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.007591][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.007595][  T300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.007597][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.007600][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.007603][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.007607][  T300]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.007611][  T300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.007612][  T300]  ? 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))
[   20.007616][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.007618][  T300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.007622][  T300]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.007626][  T300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.007628][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.007633][  T300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.007636][  T300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.007638][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.007640][  T300]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.007644][  T300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.007646][  T300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.007649][  T300]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.007653][  T300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.007659][  T300]  ? 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
[   20.007662][  T300]  _printk (kernel/printk/printk.c:2504)
[   20.007666][  T300]  ? snapshot_read.cold (user.c:?)
[   20.007672][  T300]  ? 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)
[   20.007675][  T300] gact_init_module (net/sched/act_gact.c:180) act_gact
[   20.007678][  T300]  do_one_initcall (init/main.c:1357)
[   20.007681][  T300]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.007685][  T300]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.007688][  T300]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.007693][  T300]  do_init_module (kernel/module/main.c:3117)
[   20.007697][  T300]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.007701][  T300]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.007704][  T300]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.007709][  T300]  load_module (kernel/module/main.c:3593)
[   20.007716][  T300]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.007720][  T300]  ? __ia32_sys_fsconfig (??:?)
[   20.007723][  T300]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.007727][  T300]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.007730][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.007734][  T300]  init_module_from_file (kernel/module/main.c:3790)
[   20.007737][  T300]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   20.007745][  T300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.007749][  T300]  ? 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)
[   20.007752][  T300]  idempotent_init_module (kernel/module/main.c:3802)
[   20.007755][  T300]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.007762][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.007764][  T300]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.007770][  T300]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.007772][  T300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.007776][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.007778][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.007781][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.007784][  T300] RIP: 0033:0x7fae2daff37d
[   20.007787][  T300] 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
[   20.007789][  T300] RSP: 002b:00007ffd32db87a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.007792][  T300] RAX: ffffffffffffffda RBX: 000055fb3114b810 RCX: 00007fae2daff37d
[   20.007793][  T300] RDX: 0000000000000000 RSI: 000055fb300c3ffd RDI: 0000000000000000
[   20.007794][  T300] RBP: 00007ffd32db8840 R08: 0000000000000000 R09: 0000000000000000
[   20.007795][  T300] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fb300c3ffd
[   20.007796][  T300] R13: 000055fb3114b960 R14: 0000000000040000 R15: 0000000000000000
| [   23.960679][    C0]
| [   23.960680][    C0]
| [   23.960680][    C0] stack backtrace:
| [   23.960686][    C0] Tainted: [W]=WARN
[   23.960687][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.960689][    C0] Call Trace:
[   23.960690][    C0]  <IRQ>
[   23.960691][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.960695][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   23.960697][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   23.960700][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   23.960702][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   23.960704][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   23.960706][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.960708][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.960710][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.960713][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.960715][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.960717][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   23.960718][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   23.960721][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.960722][    C0]  ? 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))
[   23.960724][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.960726][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.960728][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.960730][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.960732][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960735][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.960737][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.960738][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.960740][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.960742][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.960744][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.960746][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.960748][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.960750][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.960753][    C0]  _printk (kernel/printk/printk.c:2504)
[   23.960754][    C0]  ? snapshot_read.cold (user.c:?)
[   23.960756][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   23.960759][    C0]  ? idr_get_free (??:?)
[   23.960762][    C0] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   23.960765][    C0]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   23.960767][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   23.960770][    C0] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   23.960773][    C0]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   23.960779][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.960781][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.960782][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   23.960786][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.960787][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960790][    C0]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   23.960792][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960793][    C0]  tcf_classify (net/sched/cls_api.c:1875)
[   23.960796][    C0]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   23.960797][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.960799][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.960800][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960802][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960804][    C0]  tc_run (net/core/dev.c:4463)
[   23.960805][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.960807][    C0]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   23.960809][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.960811][    C0]  __dev_queue_xmit (net/core/dev.c:4597 (discriminator 1) net/core/dev.c:4860 (discriminator 1))
[   23.960813][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.960815][    C0]  ? br_vlan_lookup (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rhashtable.h:711 (discriminator 2) net/bridge/br_vlan.c:34 (discriminator 2)) bridge
[   23.960824][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   23.960826][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960829][    C0]  ? __br_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/netfilter.h:282 (discriminator 2) ./include/linux/netfilter.h:323 (discriminator 2) net/bridge/br_forward.c:115 (discriminator 2)) bridge
[   23.960837][    C0] br_dev_queue_push_xmit (./include/linux/netdevice.h:3461 net/bridge/br_forward.c:53) bridge
[   23.960845][    C0] br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   23.960852][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   23.960854][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   23.960860][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   23.960862][    C0]  ? free_pgtables (mm/memory.c:393)
[   23.960863][    C0]  ? exit_mmap (mm/mmap.c:1327)
[   23.960865][    C0]  ? bpf_jit_supports_stack_args (arch/x86/net/bpf_jit_comp.c:4159)
[   23.960867][    C0]  ? exit_mm (kernel/exit.c:614)
[   23.960869][    C0]  ? do_group_exit (kernel/exit.c:1151)
[   23.960870][    C0]  ? __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.960871][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.960873][    C0]  ? rcu_read_lock_bh_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:374)
[   23.960875][    C0]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   23.960878][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   23.960884][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   23.960891][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   23.960894][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   23.960896][    C0]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   23.960899][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   23.960902][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.960905][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.960906][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.960908][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   23.960910][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   23.960912][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.960913][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   23.960915][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   23.960917][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.960920][    C0]  process_backlog (net/core/dev.c:6728)
[   23.960922][    C0]  __napi_poll (net/core/dev.c:7787)
[   23.960924][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   23.960927][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   23.960929][    C0]  ? __print_lock_name (kernel/locking/lockdep.c:735)
[   23.960932][    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   23.960934][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.960936][    C0]  handle_softirqs (kernel/softirq.c:645)
[   23.960938][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.960939][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   23.960942][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   23.960943][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   23.960944][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   23.960946][    C0]  </IRQ>
[   23.960947][    C0]  <TASK>
[   23.960948][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   23.960950][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   23.960952][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   23.960954][    C0] RSP: 0018:ffa0000001d8f858 EFLAGS: 00000246
[   23.960956][    C0] RAX: 0000000000000096 RBX: ffffffffbb676b38 RCX: ffffffffb7ba8483
[   23.960957][    C0] RDX: ff1100000d48c6c0 RSI: ffffffffb8438b01 RDI: ffffffffb7e8d8e0
[   23.960958][    C0] RBP: 0000000000000216 R08: 0000000000000000 R09: 0000000000000000
[   23.960959][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.960960][    C0] R13: 0000000000026187 R14: ffffffffbb676b30 R15: 0000000000000000
[   23.960962][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   23.960964][    C0]  debug_object_active_state (lib/debugobjects.c:1127 (discriminator 3))
[   23.960966][    C0]  ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3))
[   23.960969][    C0]  ? __debug_check_no_obj_freed (lib/debugobjects.c:1196)
[   23.960971][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.960973][    C0]  ? __remove_object (mm/kmemleak.c:630)
[   23.960975][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   23.960976][    C0]  __call_rcu_common.constprop.0 (kernel/rcu/rcu.h:246 kernel/rcu/tree.c:3166)
[   23.960978][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.960980][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   23.960981][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   23.960983][    C0]  kmem_cache_free (./include/linux/kmemleak.h:50 mm/slub.c:2673 mm/slub.c:6499 mm/slub.c:6626)
[   23.960985][    C0]  unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   23.960987][    C0]  free_pgtables (mm/memory.c:414)
[   23.960990][    C0]  ? free_pgd_range (mm/memory.c:351)
[   23.960991][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.960994][    C0]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   23.961003][    C0]  exit_mmap (mm/mmap.c:1327)
[   23.961005][    C0]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   23.961007][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.961008][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961010][    C0]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   23.961013][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961018][    C0]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   23.961019][    C0]  exit_mm (kernel/exit.c:614)
[   23.961022][    C0]  do_exit (kernel/exit.c:996)
[   23.961024][    C0]  ? exit_notify (kernel/exit.c:780)
[   23.961026][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.961027][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961032][    C0]  do_group_exit (kernel/exit.c:1151)
[   23.961034][    C0]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.961035][    C0]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.961037][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.961038][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.961040][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.961041][    C0] RIP: 0033:0x7f8fb93821b8
[   23.961044][    C0] Code: Unable to access opcode bytes at 0x7f8fb938218e.

Code starting with the faulting instruction
===========================================
[   23.961045][    C0] RSP: 002b:00007fffa9990418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.961047][    C0] RAX: ffffffffffffffda RBX: 00007f8fb94b2f88 RCX: 00007f8fb93821b8
[   23.961048][    C0] RDX: 00007f8fb91a6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000
[   23.961049][    C0] RBP: 00007fffa9990470 R08: 00000000ffffffff R09: 0000000000000020
[   23.961050][    C0] R10: 00007fffa9990290 R11: 0000000000000246 R12: 0000000000000004
[   23.961051][    C0] R13: 0000000000000000 R14: 00007f8fb94b1680 R15: 00007f8fb94b2fa0
| [   23.961069][    C0] softirqs last disabled at (10381): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.961071][    C0] Preemption disabled at:
| [   23.961072][    C0] 0x0
| [   23.961076][    C0] Tainted: [W]=WARN
[   23.961076][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.961077][    C0] Call Trace:
[   23.961077][    C0]  <IRQ>
[   23.961078][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.961080][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.961083][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.961086][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961089][    C0]  __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))
[   23.961090][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.961092][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.961094][    C0]  ? 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)
[   23.961096][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.961098][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   23.961100][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.961102][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   23.961104][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.961106][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5208)
[   23.961108][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.961109][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961111][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961113][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.961115][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.961117][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.961119][    C0]  ? 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))
[   23.961121][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961123][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.961125][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.961127][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.961129][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961131][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.961133][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.961135][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961137][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.961139][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.961141][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.961143][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.961145][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.961147][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.961149][    C0]  _printk (kernel/printk/printk.c:2504)
[   23.961151][    C0]  ? snapshot_read.cold (user.c:?)
[   23.961153][    C0]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   23.961155][    C0]  ? idr_get_free (??:?)
[   23.961158][    C0] tcf_pedit_act.cold (net/sched/act_pedit.c:449 (discriminator 3)) act_pedit
[   23.961160][    C0]  ? tcf_pedit_keys_ex_parse (net/sched/act_pedit.c:92 (discriminator 2)) act_pedit
[   23.961163][    C0]  tcf_action_exec.part.0 (./include/net/tc_wrapper.h:254 net/sched/act_api.c:1162)
[   23.961166][    C0] fl_classify (./include/net/pkt_cls.h:361 net/sched/cls_flower.c:352) cls_flower
[   23.961169][    C0]  ? fl_mask_lookup (net/sched/cls_flower.c:303) cls_flower
[   23.961175][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.961177][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.961178][    C0]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   23.961180][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.961182][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961184][    C0]  __tcf_classify (./include/net/tc_wrapper.h:260 net/sched/cls_api.c:1779)
[   23.961186][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961188][    C0]  tcf_classify (net/sched/cls_api.c:1875)
[   23.961190][    C0]  ? __tcf_classify (net/sched/cls_api.c:1784)
[   23.961192][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.961193][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.961195][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961196][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961198][    C0]  tc_run (net/core/dev.c:4463)
[   23.961200][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.961201][    C0]  ? netdev_offload_xstats_push_delta (net/core/dev.c:9326 net/core/dev.c:9461)
[   23.961203][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.961205][    C0]  __dev_queue_xmit (net/core/dev.c:4597 (discriminator 1) net/core/dev.c:4860 (discriminator 1))
[   23.961207][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.961209][    C0]  ? br_vlan_lookup (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rhashtable.h:711 (discriminator 2) net/bridge/br_vlan.c:34 (discriminator 2)) bridge
[   23.961216][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   23.961218][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961221][    C0]  ? __br_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/netfilter.h:282 (discriminator 2) ./include/linux/netfilter.h:323 (discriminator 2) net/bridge/br_forward.c:115 (discriminator 2)) bridge
[   23.961227][    C0] br_dev_queue_push_xmit (./include/linux/netdevice.h:3461 net/bridge/br_forward.c:53) bridge
[   23.961234][    C0] br_handle_frame_finish (net/bridge/br_input.c:226 (discriminator 3)) bridge
[   23.961241][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   23.961243][    C0]  ? br_handle_local_finish (net/bridge/br_input.c:265) bridge
[   23.961249][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   23.961250][    C0]  ? free_pgtables (mm/memory.c:393)
[   23.961252][    C0]  ? exit_mmap (mm/mmap.c:1327)
[   23.961253][    C0]  ? bpf_jit_supports_stack_args (arch/x86/net/bpf_jit_comp.c:4159)
[   23.961255][    C0]  ? exit_mm (kernel/exit.c:614)
[   23.961257][    C0]  ? do_group_exit (kernel/exit.c:1151)
[   23.961258][    C0]  ? __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.961259][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.961261][    C0]  ? rcu_read_lock_bh_held (kernel/rcu/update.c:113 kernel/rcu/update.c:103 kernel/rcu/update.c:374)
[   23.961263][    C0]  ? nf_hook_egress (./include/linux/netfilter_netdev.h:114)
[   23.961265][    C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge
[   23.961272][    C0]  ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge
[   23.961278][    C0]  __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151)
[   23.961281][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   23.961282][    C0]  ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6))
[   23.961285][    C0]  ? do_xdp_generic (net/core/dev.c:5732)
[   23.961287][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.961290][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   23.961292][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961294][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   23.961295][    C0]  __netif_receive_skb_one_core (net/core/dev.c:6262)
[   23.961297][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.961299][    C0]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   23.961301][    C0]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   23.961302][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961305][    C0]  process_backlog (net/core/dev.c:6728)
[   23.961308][    C0]  __napi_poll (net/core/dev.c:7787)
[   23.961310][    C0]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   23.961313][    C0]  ? __napi_poll (./include/net/gro.h:507)
[   23.961314][    C0]  ? __print_lock_name (kernel/locking/lockdep.c:735)
[   23.961317][    C0]  ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1))
[   23.961319][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.961321][    C0]  handle_softirqs (kernel/softirq.c:645)
[   23.961323][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.961325][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   23.961327][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   23.961328][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   23.961330][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   23.961331][    C0]  </IRQ>
[   23.961332][    C0]  <TASK>
[   23.961333][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   23.961334][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   23.961336][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 c1 af ba fd 48 89 df e8 c9 05 bb fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 cf ac fd 65 48 83 3d af 0b f3 01 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 c1 af ba fd       	call   0xfffffffffdbaafd4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 05 bb fd       	call   0xfffffffffdbb05e4
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 cf ac fd       	call   0xfffffffffdaccfa4
  34:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bec
  3b:	01 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 cf ac fd       	call   0xfffffffffdaccf7a
   a:	65 48 83 3d af 0b f3 	cmpq   $0x0,%gs:0x1f30baf(%rip)        # 0x1f30bc2
  11:	01 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   23.961337][    C0] RSP: 0018:ffa0000001d8f858 EFLAGS: 00000246
[   23.961338][    C0] RAX: 0000000000000096 RBX: ffffffffbb676b38 RCX: ffffffffb7ba8483
[   23.961339][    C0] RDX: ff1100000d48c6c0 RSI: ffffffffb8438b01 RDI: ffffffffb7e8d8e0
[   23.961340][    C0] RBP: 0000000000000216 R08: 0000000000000000 R09: 0000000000000000
[   23.961341][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.961341][    C0] R13: 0000000000026187 R14: ffffffffbb676b30 R15: 0000000000000000
[   23.961343][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   23.961345][    C0]  debug_object_active_state (lib/debugobjects.c:1127 (discriminator 3))
[   23.961348][    C0]  ? debug_object_activate (lib/debugobjects.c:891 (discriminator 3))
[   23.961350][    C0]  ? __debug_check_no_obj_freed (lib/debugobjects.c:1196)
[   23.961352][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.961354][    C0]  ? __remove_object (mm/kmemleak.c:630)
[   23.961356][    C0]  ? unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   23.961357][    C0]  __call_rcu_common.constprop.0 (kernel/rcu/rcu.h:246 kernel/rcu/tree.c:3166)
[   23.961359][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.961360][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   23.961362][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   23.961363][    C0]  kmem_cache_free (./include/linux/kmemleak.h:50 mm/slub.c:2673 mm/slub.c:6499 mm/slub.c:6626)
[   23.961366][    C0]  unlink_anon_vmas (mm/rmap.c:147 mm/rmap.c:539)
[   23.961368][    C0]  free_pgtables (mm/memory.c:414)
[   23.961370][    C0]  ? free_pgd_range (mm/memory.c:351)
[   23.961372][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.961374][    C0]  ? rwsem_down_write_slowpath (./include/linux/list.h:170)
[   23.961377][    C0]  exit_mmap (mm/mmap.c:1327)
[   23.961378][    C0]  ? vm_brk_flags (./include/linux/seqlock.h:453)
[   23.961380][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.961381][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961384][    C0]  ? uprobe_clear_state (kernel/events/uprobes.c:1819)
[   23.961385][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.961390][    C0]  mmput (kernel/fork.c:1193 kernel/fork.c:1216)
[   23.961392][    C0]  exit_mm (kernel/exit.c:614)
[   23.961394][    C0]  do_exit (kernel/exit.c:996)
[   23.961396][    C0]  ? exit_notify (kernel/exit.c:780)
[   23.961398][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.961400][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.961402][    C0]  do_group_exit (kernel/exit.c:1151)
[   23.961403][    C0]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   23.961405][    C0]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   23.961406][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.961408][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.961409][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.961411][    C0] RIP: 0033:0x7f8fb93821b8
[   23.961412][    C0] Code: Unable to access opcode bytes at 0x7f8fb938218e.

Code starting with the faulting instruction
===========================================
[   23.961413][    C0] RSP: 002b:00007fffa9990418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.961414][    C0] RAX: ffffffffffffffda RBX: 00007f8fb94b2f88 RCX: 00007f8fb93821b8
[   23.961415][    C0] RDX: 00007f8fb91a6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000
[   23.961415][    C0] RBP: 00007fffa9990470 R08: 00000000ffffffff R09: 0000000000000020
[   23.961416][    C0] R10: 00007fffa9990290 R11: 0000000000000246 R12: 0000000000000004


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