======================================
| [ 1143.400072] #6: ffffffff907678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5729 net/core/dev.c:5801)
| [ 1143.400652] #7: ffffffff907678c0 (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)
| [ 1143.401278]
| [ 1143.401278] stack backtrace:
[ 1143.402051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1143.402825] Call Trace:
[ 1143.403011]
[ 1143.403158] dump_stack_lvl (lib/dump_stack.c:108)
[ 1143.403415] __lock_acquire (kernel/locking/lockdep.c:5138)
[ 1143.403702] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151)
[ 1143.403987] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719)
[ 1143.404244] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1143.404486] ? sk_filter_trim_cap (net/core/filter.c:165)
[ 1143.404799] _raw_spin_lock_nested (kernel/locking/spinlock.c:379)
[ 1143.405090] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1143.405353] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1143.405589] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1))
[ 1143.405916] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1143.406220] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1143.406538] netif_receive_skb (net/core/dev.c:5742 net/core/dev.c:5801)
[ 1143.406835] tcf_mirred_to_dev (net/sched/act_mirred.c:327) act_mirred
[ 1143.407184] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred
[ 1143.407514] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit
[ 1143.407805] tcf_action_exec (net/sched/act_api.c:1101 net/sched/act_api.c:1074)
[ 1143.408057] fl_classify (net/sched/cls_flower.c:345) cls_flower
[ 1143.408324] ? __pfx_usage_match (kernel/locking/lockdep.c:2256)
[ 1143.408543] ? __bfs (kernel/locking/lockdep.c:1787)
[ 1143.408729] ? check_irq_usage (kernel/locking/lockdep.c:2823)
[ 1143.408947] ? __skb_flow_dissect (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/flow_dissector.c:1101)
[ 1143.409185] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145)
[ 1143.409427] ? check_noncircular (kernel/locking/lockdep.c:2172)
[ 1143.409652] ? __skb_flow_dissect (./include/net/flow_dissector.h:443 net/core/flow_dissector.c:1140)
[ 1143.409895] ? find_held_lock (kernel/locking/lockdep.c:5244)
[ 1143.410100] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1))
[ 1143.410320] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830)
[ 1143.410521] tc_run (net/core/dev.c:3945)
[ 1143.410692] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301)
[ 1143.410910] ? mark_held_locks (kernel/locking/lockdep.c:4274)
[ 1143.411124] ? eth_header (net/ethernet/eth.c:85)
[ 1143.411313] ip_finish_output2 (./include/net/neighbour.h:542 net/ipv4/ip_output.c:235)
[ 1143.411531] ? ip_skb_dst_mtu (./include/net/net_namespace.h:385 ./include/linux/netdevice.h:2651 ./include/net/ip.h:465 ./include/net/ip.h:502)
[ 1143.411745] ? __ip_queue_xmit (net/ipv4/ip_output.c:535)
[ 1143.411963] __ip_queue_xmit (net/ipv4/ip_output.c:535)
[ 1143.412178] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4))
[ 1143.412402] ? __alloc_skb (net/core/skbuff.c:685)
[ 1143.412598] tcp_rcv_state_process (net/ipv4/tcp_input.c:6874)
[ 1143.412838] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326)
[ 1143.413034] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929)
[ 1143.413239] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929)
[ 1143.413440] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329)
[ 1143.413629] ? process_backlog (net/core/dev.c:5978 (discriminator 2))
[ 1143.413895] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1))
[ 1143.414194] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234)
[ 1143.414545] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4))
[ 1143.414919] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985)
[ 1143.415216] __napi_poll.constprop.0 (net/core/dev.c:6584)
[ 1143.415567] net_rx_action (net/core/dev.c:6655 net/core/dev.c:6786)
[ 1143.415862] __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)
[ 1143.416144] ? inet_shutdown (net/ipv4/af_inet.c:943)
[ 1143.416443] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441)
[ 1143.416704]
[ 1143.416870]
[ 1143.417038] __local_bh_enable_ip (kernel/softirq.c:381)
[ 1143.417359] inet_shutdown (net/ipv4/af_inet.c:943)
[ 1143.417641] __sys_shutdown (./include/linux/file.h:32 net/socket.c:2438)
[ 1143.417927] __x64_sys_shutdown (net/socket.c:2445 net/socket.c:2443 net/socket.c:2443)
[ 1143.418245] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 1143.418536] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 1143.418935] RIP: 0033:0x7fe2657c5beb
[ 1143.419217] 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
[ 1143.420449] RSP: 002b:00007ffcddc96b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
[ 1143.420851] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fe2657c5beb
[ 1143.421330] RDX: 000055cf50540420 RSI: 0000000000000001 RDI: 0000000000000008
[ 1143.421723] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[ 1143.422242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
Finger prints:
dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested