======================================
| [ 1248.192235][ C3] #6: ffffffff963447e0 (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))
| [ 1248.192779][ C3] #7: ffffffff963447e0 (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)
| [ 1248.193309][ C3]
| [ 1248.193309][ C3] stack backtrace:
[ 1248.194016][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1248.194654][ C3] Call Trace:
[ 1248.194831][ C3]
[ 1248.194987][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 1248.195233][ C3] validate_chain (kernel/locking/lockdep.c:3859)
[ 1248.195487][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 1248.195768][ 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)
[ 1248.196015][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1248.196250][ C3] __lock_acquire (kernel/locking/lockdep.c:5137)
[ 1248.196506][ C3] ? lock_downgrade (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:103 kernel/locking/lockdep.c:5653)
[ 1248.196759][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1248.196992][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1248.197261][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1248.197512][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1248.197815][ C3] ? __pfx_sk_filter_trim_cap (net/core/filter.c:130)
[ 1248.198113][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1248.198363][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1248.198613][ C3] _raw_spin_lock_nested (kernel/locking/spinlock.c:379)
[ 1248.198886][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1248.199138][ C3] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1248.199385][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162)
[ 1248.199647][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 1248.199919][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1248.200219][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 1248.200504][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1248.200792][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 1248.201055][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 1248.201345][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390)
[ 1248.201682][ C3] ip_rcv (./include/net/dst.h:461 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 1248.201892][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1248.202133][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1248.202409][ C3] ? 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))
[ 1248.202714][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1248.202958][ C3] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1248.203273][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 1248.203615][ C3] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 1248.203873][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1248.204122][ C3] ? 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))
[ 1248.204429][ C3] netif_receive_skb_internal (net/core/dev.c:5742)
[ 1248.204726][ C3] ? __pfx_netif_receive_skb_internal (net/core/dev.c:5721)
[ 1248.205055][ C3] ? __copy_skb_header (./include/net/dst.h:290 net/core/skbuff.c:1420)
[ 1248.205324][ 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))
[ 1248.205573][ C3] netif_receive_skb (net/core/dev.c:5801)
[ 1248.205839][ C3] tcf_mirred_to_dev (net/sched/act_mirred.c:249 net/sched/act_mirred.c:324) act_mirred
[ 1248.206165][ C3] ? __pfx_tcf_skbedit_act (net/sched/act_skbedit.c:43) act_skbedit
[ 1248.206511][ C3] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1248.206826][ C3] tcf_action_exec.part.0 (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100)
[ 1248.207114][ C3] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1248.207422][ C3] ? __pfx_fl_classify (net/sched/cls_flower.c:316) cls_flower
[ 1248.207745][ C3] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 1248.208007][ C3] ? check_irq_usage (kernel/locking/lockdep.c:2823)
[ 1248.208273][ C3] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790)
[ 1248.208555][ C3] ? __bfs (kernel/locking/lockdep.c:1787)
[ 1248.208774][ C3] ? __pfx_check_irq_usage (kernel/locking/lockdep.c:2790)
[ 1248.209051][ C3] ? __bfs (kernel/locking/lockdep.c:1787)
[ 1248.209268][ C3] ? __pfx_hlock_conflict (kernel/locking/lockdep.c:2016)
[ 1248.209544][ 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)
[ 1248.209783][ C3] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145)
[ 1248.210067][ C3] ? check_noncircular (kernel/locking/lockdep.c:2172)
[ 1248.210338][ C3] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2163)
[ 1248.210634][ C3] __tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734)
[ 1248.210884][ C3] tcf_classify (net/sched/cls_api.c:1830)
[ 1248.211123][ C3] ? __pfx_tcf_classify (net/sched/cls_api.c:1779)
[ 1248.211389][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1248.211663][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1248.211933][ C3] tc_run (net/core/dev.c:3945)
[ 1248.212153][ C3] ? __pfx_tc_run (net/core/dev.c:3929)
[ 1248.212397][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1248.212646][ C3] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 ./include/linux/rcupdate.h:802 net/core/dev.c:4284)
[ 1248.212920][ C3] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301)
[ 1248.213182][ 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)
[ 1248.213424][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1248.213656][ C3] ? __pfx___dev_queue_xmit (net/core/dev.c:4268)
[ 1248.213945][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359)
[ 1248.214293][ C3] ? neigh_hh_output (./include/linux/seqlock.h:74 ./include/linux/seqlock.h:772 ./include/net/neighbour.h:496)
[ 1248.214561][ C3] ip_finish_output2 (./include/net/neighbour.h:540 net/ipv4/ip_output.c:235)
[ 1248.214829][ C3] ? __pfx_ip_finish_output2 (net/ipv4/ip_output.c:199)
[ 1248.215115][ C3] ? __ip_finish_output (./include/linux/skbuff.h:1619 ./include/linux/skbuff.h:4884 net/ipv4/ip_output.c:307 net/ipv4/ip_output.c:295)
[ 1248.215394][ C3] ip_output (./include/linux/netfilter.h:303 net/ipv4/ip_output.c:433)
[ 1248.215621][ C3] ? __pfx_ip_output (net/ipv4/ip_output.c:427)
[ 1248.215878][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1248.216177][ C3] ? ip_local_out (./include/linux/skbuff.h:1131 ./include/net/dst.h:451 net/ipv4/ip_output.c:129)
[ 1248.216429][ C3] __ip_queue_xmit (net/ipv4/ip_output.c:535 (discriminator 4))
[ 1248.216688][ C3] ? __create_object (mm/kmemleak.c:756)
[ 1248.216945][ C3] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4))
[ 1248.217226][ C3] ? __pfx___tcp_transmit_skb (net/ipv4/tcp_output.c:1283)
[ 1248.217516][ C3] ? __tcp_send_ack.part.0 (./include/linux/skbuff.h:1296 net/ipv4/tcp_output.c:4206)
[ 1248.217799][ C3] tcp_rcv_state_process (net/ipv4/tcp_input.c:6874)
[ 1248.218081][ C3] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1248.218327][ 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)
[ 1248.218565][ C3] ? __lock_acquired (kernel/locking/lockdep.c:339 kernel/locking/lockdep.c:5991)
[ 1248.218824][ C3] ? __pfx_tcp_rcv_state_process (net/ipv4/tcp_input.c:6620)
[ 1248.219133][ C3] ? __pfx___lock_acquired (kernel/locking/lockdep.c:5959)
[ 1248.219414][ C3] ? __pfx_do_raw_spin_trylock (kernel/locking/spinlock_debug.c:122)
[ 1248.219715][ C3] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929)
[ 1248.219959][ C3] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329)
[ 1248.220208][ C3] ? __pfx_tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2162)
[ 1248.220467][ C3] ? __pfx_raw_v4_input (net/ipv4/raw.c:165)
[ 1248.220737][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 1248.221038][ C3] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207 (discriminator 8))
[ 1248.221324][ C3] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1248.221612][ C3] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254)
[ 1248.221870][ C3] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243)
[ 1248.222158][ C3] ? ip_rcv_finish_core.constprop.0 (./include/linux/skbuff.h:1131 ./include/linux/skbuff.h:1183 net/ipv4/ip_input.c:390)
[ 1248.222496][ C3] ip_rcv (./include/net/dst.h:461 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569)
[ 1248.222708][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1248.222947][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756)
[ 1248.223221][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 1248.223480][ C3] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562)
[ 1248.223723][ C3] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1248.224042][ C3] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5535)
[ 1248.224384][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1248.224634][ C3] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5983)
[ 1248.224898][ C3] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985)
[ 1248.225144][ C3] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3))
[ 1248.225372][ C3] ? __kasan_slab_free (mm/kasan/common.c:265)
[ 1248.225647][ C3] __napi_poll.constprop.0 (net/core/dev.c:6585)
[ 1248.225941][ C3] net_rx_action (net/core/dev.c:6653 net/core/dev.c:6786)
[ 1248.226187][ C3] ? __pfx_net_rx_action (net/core/dev.c:6750)
[ 1248.226461][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359)
[ 1248.226810][ C3] __do_softirq (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/irq.h:142 kernel/softirq.c:554)
[ 1248.227050][ C3] ? tcp_recvmsg (net/ipv4/tcp.c:2580)
[ 1248.227290][ C3] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 1248.227515][ C3]
[ 1248.227671][ C3]
[ 1248.227826][ C3] __local_bh_enable_ip (kernel/softirq.c:381)
[ 1248.228097][ C3] tcp_recvmsg (net/ipv4/tcp.c:2580)
[ 1248.228332][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 1248.228591][ C3] ? __pfx_tcp_recvmsg (net/ipv4/tcp.c:2564)
[ 1248.228856][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 1248.229131][ C3] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825)
[ 1248.229405][ C3] inet_recvmsg (net/ipv4/af_inet.c:884 (discriminator 8))
[ 1248.229643][ C3] ? __pfx_inet_recvmsg (net/ipv4/af_inet.c:874)
[ 1248.229911][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 1248.230163][ C3] ? sockfd_lookup_light (net/socket.c:558)
[ 1248.230439][ C3] __sys_recvfrom (net/socket.c:1046 net/socket.c:1068 net/socket.c:2242)
[ 1248.230690][ C3] ? __pfx___sys_recvfrom (net/socket.c:2223)
[ 1248.230964][ C3] ? reacquire_held_locks (kernel/locking/lockdep.c:5279)
[ 1248.231248][ C3] ? do_user_addr_fault (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/mm.h:686 arch/x86/mm/fault.c:1366)
[ 1248.231527][ 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)
[ 1248.231765][ C3] ? __lock_release (kernel/locking/lockdep.c:353 kernel/locking/lockdep.c:5436)
[ 1248.232021][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 1248.232294][ C3] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2735 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3289 kernel/locking/rwsem.c:1347)
[ 1248.232530][ C3] ? __pfx___up_read (kernel/locking/rwsem.c:1339)
[ 1248.232787][ C3] ? do_user_addr_fault (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:783 ./include/linux/mm.h:688 arch/x86/mm/fault.c:1366)
[ 1248.233064][ C3] __x64_sys_recvfrom (net/socket.c:2256)
[ 1248.233327][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 1248.233677][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 1248.233924][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 1248.234245][ C3] RIP: 0033:0x7f73b2b1e4c0
[ 1248.234485][ C3] Code: 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20
All code
========
0: 84 00 test %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 00 add %al,(%rax)
6: 0f 1f 40 00 nopl 0x0(%rax)
a: f3 0f 1e fa endbr64
e: 41 89 ca mov %ecx,%r10d
11: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax
18: 00
19: 85 c0 test %eax,%eax
1b: 75 1d jne 0x3a
1d: 45 31 c9 xor %r9d,%r9d
20: 45 31 c0 xor %r8d,%r8d
23: b8 2d 00 00 00 mov $0x2d,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 68 ja 0x9a
32: c3 ret
33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
3a: 41 54 push %r12
3c: 48 83 ec 20 sub $0x20,%rsp
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 68 ja 0x70
8: c3 ret
9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
10: 41 54 push %r12
12: 48 83 ec 20 sub $0x20,%rsp
[ 1248.235494][ C3] RSP: 002b:00007ffe6ed22178 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
[ 1248.235941][ C3] RAX: ffffffffffffffda RBX: 000055d00e2e0a20 RCX: 00007f73b2b1e4c0
[ 1248.236355][ C3] RDX: 0000000000002000 RSI: 00007ffe6ed22200 RDI: 0000000000000008
[ 1248.236775][ C3] RBP: 00007ffe6ed22200 R08: 0000000000000000 R09: 0000000000000000
[ 1248.237191][ C3] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Finger prints:
dump_stack_lvl:validate_chain:__lock_acquire:_raw_spin_lock_nested