======================================
| [ 2246.867333][ C3] #6: ffffffff8c3467e0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5696 (discriminator 16)) 
| [ 2246.867876][ C3] #7: ffffffff8c3467e0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/ipv4/ip_input.c:232) 
| [ 2246.868399][    C3]
| [ 2246.868399][    C3] stack backtrace:
[ 2246.869149][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2246.869823][    C3] Call Trace:
[ 2246.869996][    C3]  <TASK>
[ 2246.870177][ C3] dump_stack_lvl (lib/dump_stack.c:107) 
[ 2246.870449][ C3] validate_chain (kernel/locking/lockdep.c:3859) 
[ 2246.870711][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 2246.870984][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2246.871237][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 2246
DETECTED CRASH, lowering timeout
.871466][ C3] __lock_acquire (kernel/locking/lockdep.c:5137) 
[ 2246.871750][ C3] ? lock_downgrade (kernel/locking/lockdep.c:5656) 
[ 2246.872006][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 2246.872267][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 2246.872550][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2246.872816][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2246.873106][ C3] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130) 
[ 2246.873407][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2246.873689][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2246.873933][ C3] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) 
[ 2246.874227][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2246.874476][ C3] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2246.874741][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) 
[ 2246.874995][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) 
[ 2246.875278][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2246.875572][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 2246.875899][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 2246.876216][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 2246.876496][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 2246.876785][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) 
[ 2246.877053][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) 
[ 2246.877411][ C3] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 2246.877644][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2246.877878][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 2246.878172][ C3] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5696 (discriminator 16)) 
[ 2246.878493][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2246.878768][ C3] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) 
[ 2246.879071][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) 
[ 2246.879416][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 2246.879699][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2246.879944][ C3] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5696 (discriminator 16)) 
[ 2246.880264][ C3] netif_receive_skb_internal (net/core/dev.c:5709) 
[ 2246.880574][ C3] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5688) 
[ 2246.880895][ C3] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1420) 
[ 2246.881154][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1491 (discriminator 4)) 
[ 2246.881430][ C3] netif_receive_skb (net/core/dev.c:5768) 
[ 2246.881701][ C3] tcf_mirred_to_dev (net/sched/act_mirred.c:249 net/sched/act_mirred.c:324) act_mirred
[ 2246.882056][ C3] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 2246.882409][ C3] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 2246.882713][ C3] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100) 
[ 2246.883033][ C3] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 2246.883342][ C3] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 2246.883696][ C3] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790) 
[ 2246.883968][ C3] ? __bfs (kernel/locking/lockdep.c:1787) 
[ 2246.884216][ C3] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) 
[ 2246.884516][ C3] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) 
[ 2246.884822][ C3] ? check_noncircular (kernel/locking/lockdep.c:2172) 
[ 2246.885101][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2246.885370][ C3] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163) 
[ 2246.885683][ C3] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016) 
[ 2246.885953][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 2246.886257][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2246.886525][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2246.886798][ C3] ? check_prev_add (kernel/locking/lockdep.c:3172) 
[ 2246.887049][ C3] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734) 
[ 2246.887327][ C3] tcf_classify (net/sched/cls_api.c:1830) 
[ 2246.887579][ C3] ? __pfx_tcf_classify (net/sched/cls_api.c:1779) 
[ 2246.887838][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) 
[ 2246.888102][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) 
[ 2246.888388][ C3] tc_run (net/core/dev.c:3912) 
[ 2246.888616][ C3] ? __pfx_tc_run (net/core/dev.c:3896) 
[ 2246.888873][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2246.889146][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4251) 
[ 2246.889451][ C3] __dev_queue_xmit (net/core/dev.c:4036 net/core/dev.c:4268) 
[ 2246.889747][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274) 
[ 2246.889994][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 2246.890348][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4235) 
[ 2246.890626][ C3] ? __pfx_vrf_output_direct_finish (./include/linux/skbuff.h:1134) vrf
[ 2246.891003][ C3] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) 
[ 2246.891301][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199) 
[ 2246.891600][ C3] ? __ip_finish_output (net/ipv4/ip_output.c:256 net/ipv4/ip_output.c:308 net/ipv4/ip_output.c:295) 
[ 2246.891870][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433) 
[ 2246.892121][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427) 
[ 2246.892390][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2246.892713][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 2246.893053][ C3] ? ip_local_out (./include/linux/skbuff.h:1131 ./include/net/dst.h:450 net/ipv4/ip_output.c:129) 
[ 2246.893327][ C3] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4)) 
[ 2246.893596][ C3] ? __skb_clone (./arch/x86/include/asm/atomic.h:53 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:992 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:436 (discriminator 4) net/core/skbuff.c:1491 (discriminator 4)) 
[ 2246.893845][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) 
[ 2246.894153][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283) 
[ 2246.894466][ C3] ? tcp_small_queue_check.isra.0 (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/ipv4/tcp_output.c:2623) 
[ 2246.894804][ C3] tcp_write_xmit (net/ipv4/tcp_output.c:2792) 
[ 2246.895055][ C3] ? ipv4_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2655 ./include/net/ip.h:465 net/ipv4/route.c:1326) 
[ 2246.895309][ C3] ? __pfx_tcp_write_xmit (net/ipv4/tcp_output.c:2702) 
[ 2246.895599][ C3] ? __pfx_tcp_current_mss (net/ipv4/tcp_output.c:1853) 
[ 2246.895878][ C3] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) 
[ 2246.896182][ C3] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6870) 
[ 2246.896463][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) 
[ 2246.896725][ C3] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) 
[ 2246.896961][ C3] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991) 
[ 2246.897236][ C3] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620) 
[ 2246.897554][ C3] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959) 
[ 2246.897863][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) 
[ 2246.898154][ C3] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) 
[ 2246.898415][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) 
[ 2246.898683][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162) 
[ 2246.898936][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165) 
[ 2246.899213][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 2246.899504][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8)) 
[ 2246.899805][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) 
[ 2246.900084][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) 
[ 2246.900359][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) 
[ 2246.900653][ C3] ? tcp_v4_early_demux (./include/linux/skbuff.h:1163 net/ipv4/tcp_ipv4.c:1988) 
[ 2246.900923][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390) 
[ 2246.901248][ C3] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) 
[ 2246.901490][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2246.901747][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 2246.902024][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) 
[ 2246.902304][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) 
[ 2246.902541][ C3] __netif_receive_skb_one_core (net/core/dev.c:5509 (discriminator 4)) 
[ 2246.902884][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5502) 
[ 2246.903245][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122) 
[ 2246.903535][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2246.903808][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5950) 
[ 2246.904068][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5952) 
[ 2246.904347][ C3] __napi_poll.constprop.0 (net/core/dev.c:6551) 
[ 2246.904643][ C3] net_rx_action (net/core/dev.c:6620 net/core/dev.c:6753) 
[ 2246.904886][ C3] ? __pfx_net_rx_action (net/core/dev.c:6717) 
[ 2246.905165][ C3] ? __pfx___schedule (kernel/sched/core.c:6608) 
[ 2246.905421][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) 
[ 2246.905715][ C3] __do_softirq (kernel/softirq.c:553) 
[ 2246.905989][ C3] ? __pfx_run_ksoftirqd (kernel/softirq.c:914) 
[ 2246.906275][ C3] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) 
[ 2246.906536][ C3] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) 
[ 2246.906814][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 2246.907151][ C3] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) 
[ 2246.907455][ C3] kthread (kernel/kthread.c:388) 
[ 2246.907705][ C3] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2246.907941][ C3] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2246.908200][ C3] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2246.908448][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
| [ 2246.908200][ C3] ? __pfx_kthread (kernel/kthread.c:341) 
| [ 2246.908448][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) 
| [ 2246.908716][    C3]  </TASK>
| [ 2258.869170][    C1] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 2258.869945][    C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2258.870564][    C1] Call Trace:
[ 2258.870736][    C1]  <IRQ>
[ 2258.870885][ C1] dump_stack_lvl (lib/dump_stack.c:107) 
[ 2258.871131][ C1] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 2258.871381][ C1] note_interrupt (kernel/irq/spurious.c:423) 
[ 2258.871625][ C1] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 2258.871888][ C1] handle_edge_irq (kernel/irq/chip.c:833) 
[ 2258.872135][ C1] __common_interrupt (./include/linux/irqdesc.h:161 arch/x86/kernel/irq.c:238 arch/x86/kernel/irq.c:257) 
[ 2258.872392][ C1] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 14)) 
[ 2258.872638][    C1]  </IRQ>
[ 2258.872790][    C1]  <TASK>
[ 2258.872943][ C1] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:640) 
[ 2258.873204][ C1] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 2258.873535][ C1] Code: 10 e8 91 a1 a4 fd 48 89 ef e8 a9 29 a5 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 25 0e 16 75 <74> 0e 5b 5d c3 cc cc cc cc e8 2f ea c6 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	91                   	xchg   %eax,%ecx
   3:	a1 a4 fd 48 89 ef e8 	movabs 0x29a9e8ef8948fda4,%eax
   a:	a9 29 
   c:	a5                   	movsl  %ds:(%rsi),%es:(%rdi)
   d:	fd                   	std
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d 25 0e 16 75 	decl   %gs:0x75160e25(%rip)        # 0x75160e4f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 2f ea c6 fd       	call   0xfffffffffdc6ea67
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 2f ea c6 fd       	call   0xfffffffffdc6ea3d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 2258.874516][    C1] RSP: 0018:ffffc9000287fa88 EFLAGS: 00000286
[ 2258.874829][    C1] RAX: 0000000000000046 RBX: 0000000000000200 RCX: 1ffffffff199cf5b
[ 2258.875233][    C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8b09a8b1
[ 2258.875635][    C1] RBP: ffffffff8ee31820 R08: 0000000000000000 R09: fffffbfff199cd12
[ 2258.876040][    C1] R10: ffffffff8cce6897 R11: 0000000000000000 R12: 000000000000077b
[ 2258.876445][    C1] R13: ffffffff8ee31930 R14: ffffffff8ee31820 R15: ffff888004940000
[ 2258.876850][ C1] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 2258.877151][ C1] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:616) 
[ 2258.877375][ C1] process_output_block (drivers/tty/n_tty.c:574) 
[ 2258.877642][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 2258.877952][ C1] n_tty_write (drivers/tty/n_tty.c:2380) 
[ 2258.878184][ C1] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2350) 
[ 2258.878438][ C1] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 2258.878729][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2258.878974][ C1] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) 
[ 2258.879233][ C1] iterate_tty_write (drivers/tty/tty_io.c:1021) 
[ 2258.879490][ C1] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096) 
[ 2258.879782][ C1] vfs_write (./include/linux/fs.h:2085 fs/read_write.c:497 fs/read_write.c:590) 
[ 2258.880007][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) 
[ 2258.880246][ C1] ? __might_fault (mm/memory.c:6060 mm/memory.c:6053) 
[ 2258.880490][ C1] ? __pfx_vfs_write (fs/read_write.c:571) 
[ 2258.880736][ C1] ? __might_fault (mm/memory.c:6060 mm/memory.c:6053) 
[ 2258.880979][ C1] ? lock_release (./include/trace/events/lock.h:69 kernel/locking/lockdep.c:5765) 
[ 2258.881219][ C1] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) 
[ 2258.881461][ C1] ksys_write (fs/read_write.c:643) 
[ 2258.881681][ C1] ? __pfx_ksys_write (fs/read_write.c:633) 
[ 2258.881941][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40) 
[ 2258.882251][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 2258.882486][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) 
[ 2258.882787][    C1] RIP: 0033:0x7faf485b4957
[ 2258.883017][ C1] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[ 2258.883998][    C1] RSP: 002b:00007ffc1897cfd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 2258.884426][    C1] RAX: ffffffffffffffda RBX: 000056335df580d0 RCX: 00007faf485b4957
[ 2258.884831][    C1] RDX: 0000000000000001 RSI: 000056335df580d0 RDI: 0000000000000001
[ 2258.885234][    C1] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 2258.885637][    C1] R10: 0000000000000001 R11: 0000000000000246 R12: 000056335df44570


Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested
ret_from_fork_asm:dump_stack_lvl:__report_bad_irq:note_interrupt