======================================
| [ 4009.757169][ C1] #6: ffffffff8b1447e0 (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:5729 (discriminator 16))
| [ 4009.757684][ C1] #7: ffffffff8b1447e0 (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)
| [ 4009.758191][ C1]
| [ 4009.758191][ C1] stack backtrace:
[ 4009.758862][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4009.759469][ C1] Call Trace:
[ 4009.759636][ C1]
[ 4009.759781][ C1] dump_stack_lvl (lib/dump_stack.c:107)
[ 4009.760014][ C1] validate_chain (kernel/locking/lockdep.c:3859)
[ 4009.760255][ C1] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 4009.760516][ C1] ? 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)
[ 4009.760745][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 4009.760975][ C1] __lock_acquire (kernel/locking/lockdep.c:5137)
[ 4009.761216][ C1] ? lock_downgrade (kernel/locking/lockdep.c:5656)
[ 4009.761455][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 4009.761675][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 4009.761928][ C1] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 4009.762164][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 4009.762445][ C1] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130)
[ 4009.762724][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 4009.762960][ C1] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 4009.763199][ C1] _raw_spin_lock_nested (kernel/locking/spinlock.c:379)
[ 4009.763459][ C1] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 4009.763695][ C1] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 4009.763924][ C1] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2163)
[ 4009.764168][ C1] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 4009.764420][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 4009.764702][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 4009.764972][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 4009.765242][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 4009.765486][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 4009.765755][ C1] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1136 ./include/linux/skbuff.h:1188 net/ipv4/ip_input.c:390)
[ 4009.766072][ C1] 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)
[ 4009.766276][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 4009.766504][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 4009.766763][ C1] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
[ 4009.767054][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 4009.767281][ C1] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 4009.767575][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 4009.767893][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 4009.768132][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 4009.768368][ C1] ? netif_receive_skb_internal (./include/linux/rcupdate.h:298 (discriminator 16) ./include/linux/rcupdate.h:750 (discriminator 16) net/core/dev.c:5729 (discriminator 16))
[ 4009.768658][ C1] netif_receive_skb_internal (net/core/dev.c:5742)
[ 4009.768938][ C1] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5721)
[ 4009.769249][ C1] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1429)
[ 4009.769505][ C1] ? __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:1500 (discriminator 4))
[ 4009.769735][ C1] netif_receive_skb (net/core/dev.c:5801)
[ 4009.769978][ C1] tcf_mirred_to_dev (net/sched/act_mirred.c:251 net/sched/act_mirred.c:326) act_mirred
[ 4009.770287][ C1] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 4009.770615][ C1] tcf_mirred_act (net/sched/act_mirred.c:461 (discriminator 2)) act_mirred
[ 4009.770909][ C1] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100)
[ 4009.771190][ C1] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 4009.771480][ C1] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 4009.771788][ C1] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 4009.772038][ C1] ? check_irq_usage (kernel/locking/lockdep.c:2823)
[ 4009.772286][ C1] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790)
[ 4009.772550][ C1] ? __bfs (kernel/locking/lockdep.c:1787)
[ 4009.772754][ C1] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016)
[ 4009.773014][ C1] ? 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)
[ 4009.773244][ C1] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145)
[ 4009.773517][ C1] ? check_noncircular (kernel/locking/lockdep.c:2172)
[ 4009.773774][ C1] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163)
[ 4009.774049][ C1] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734)
[ 4009.774287][ C1] tcf_classify (net/sched/cls_api.c:1830)
[ 4009.774517][ C1] ? __pfx_tcf_classify (net/sched/cls_api.c:1779)
[ 4009.774781][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 4009.775039][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 4009.775299][ C1] tc_run (net/core/dev.c:3945)
[ 4009.775503][ C1] ? __pfx_tc_run (net/core/dev.c:3929)
[ 4009.775734][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 4009.775968][ C1] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 4009.776226][ C1] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301)
[ 4009.776476][ C1] ? 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)
[ 4009.776704][ C1] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 4009.776923][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4268)
[ 4009.777195][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359)
[ 4009.777523][ C1] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496)
[ 4009.777781][ C1] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235)
[ 4009.778038][ C1] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199)
[ 4009.778311][ C1] ? __ip_finish_output (./include/linux/skbuff.h:1624 ./include/linux/skbuff.h:4935 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295)
[ 4009.778572][ C1] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433)
[ 4009.778787][ C1] ? __pfx_ip_output (net/ipv4/ip_output.c:427)
[ 4009.779028][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 4009.779311][ C1] ? ip_local_out (./include/linux/skbuff.h:1136 ./include/net/dst.h:450 net/ipv4/ip_output.c:129)
[ 4009.779550][ C1] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4))
[ 4009.779796][ C1] ? __create_object (mm/kmemleak.c:756)
[ 4009.780040][ C1] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4))
[ 4009.780310][ C1] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283)
[ 4009.780589][ C1] ? __tcp_send_ack.part.0 (./include/linux/skbuff.h:1301 net/ipv4/tcp_output.c:4206)
[ 4009.780858][ C1] tcp_rcv_state_process (net/ipv4/tcp_input.c:6885)
[ 4009.781132][ C1] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6621)
[ 4009.781423][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 4009.781667][ C1] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327)
[ 4009.781903][ C1] ? 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)
[ 4009.782131][ C1] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1930)
[ 4009.782364][ C1] ? __pfx_tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1887)
[ 4009.782623][ C1] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2330)
[ 4009.782855][ C1] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2163)
[ 4009.783099][ C1] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 4009.783351][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 4009.783635][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 4009.783905][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 4009.784179][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 4009.784422][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 4009.784693][ C1] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1136 ./include/linux/skbuff.h:1188 net/ipv4/ip_input.c:390)
[ 4009.785011][ C1] 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)
[ 4009.785213][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 4009.785441][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 4009.785703][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 4009.785951][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 4009.786179][ C1] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 4009.786475][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 4009.786795][ C1] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 4009.787077][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 4009.787314][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 4009.787563][ C1] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985)
[ 4009.787801][ C1] __napi_poll.constprop.0 (net/core/dev.c:6584)
[ 4009.788070][ C1] net_rx_action (net/core/dev.c:6653 net/core/dev.c:6786)
[ 4009.788305][ C1] ? __pfx_net_rx_action (net/core/dev.c:6750)
[ 4009.788561][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 4009.788824][ C1] ? ktime_get (kernel/time/timekeeping.c:195 (discriminator 4) kernel/time/timekeeping.c:289 (discriminator 4) kernel/time/timekeeping.c:388 (discriminator 4) kernel/time/timekeeping.c:848 (discriminator 4))
[ 4009.789043][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1827)
[ 4009.789303][ C1] __do_softirq (kernel/softirq.c:553)
[ 4009.789533][ C1] ? inet_shutdown (net/ipv4/af_inet.c:943)
[ 4009.789777][ C1] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 4009.789989][ C1]
[ 4009.790137][ C1]
[ 4009.790286][ C1] __local_bh_enable_ip (kernel/softirq.c:381)
[ 4009.790547][ C1] inet_shutdown (net/ipv4/af_inet.c:943)
[ 4009.790779][ C1] __sys_shutdown (net/socket.c:2425 net/socket.c:2437)
[ 4009.791017][ C1] ? __pfx___sys_shutdown (net/socket.c:2431)
[ 4009.791276][ C1] ? ksys_read (fs/read_write.c:619)
[ 4009.791497][ C1] ? __pfx_ksys_read (fs/read_write.c:609)
[ 4009.791739][ C1] __x64_sys_shutdown (net/socket.c:2443)
[ 4009.791983][ C1] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 4009.792214][ C1] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 4009.792512][ C1] RIP: 0033:0x7efd3db2fbeb
[ 4009.792734][ C1] Code: 73 01 c3 48 8b 0d 15 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 30 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 91 1b 00 f7 d8 64 89 01 48
All code
========
0: 73 01 jae 0x3
2: c3 ret
3: 48 8b 0d 15 92 1b 00 mov 0x1b9215(%rip),%rcx # 0x1b921f
a: f7 d8 neg %eax
c: 64 89 01 mov %eax,%fs:(%rcx)
f: 48 83 c8 ff or $0xffffffffffffffff,%rax
13: c3 ret
14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
1b: 00 00 00
1e: 90 nop
1f: f3 0f 1e fa endbr64
23: b8 30 00 00 00 mov $0x30,%eax
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 e5 91 1b 00 mov 0x1b91e5(%rip),%rcx # 0x1b921f
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 e5 91 1b 00 mov 0x1b91e5(%rip),%rcx # 0x1b91f5
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[ 4009.793691][ C1] RSP: 002b:00007ffd36791c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
[ 4009.794107][ C1] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007efd3db2fbeb
[ 4009.794499][ C1] RDX: 0000556b53255420 RSI: 0000000000000001 RDI: 0000000000000008
[ 4009.794894][ C1] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[ 4009.795288][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested