====================================== | [ 1070.152383] #6: ffffffff97f678c0 (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) | [ 1070.152890] #7: ffffffff97f678c0 (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) | [ 1070.153403] | [ 1070.153403] stack backtrace: [ 1070.154088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1070.154712] Call Trace: [ 1070.154853] [ 1070.154980] dump_stack_lvl (lib/dump_stack.c:108) [ 1070.155209] __lock_acquire (kernel/locking/lockdep.c:5138) [ 1070.155446] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) [ 1070.155698] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) [ 1070.155900] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327) [ 1070.156119] ? sk_filter_trim_cap (net/core/filter.c:165) [ 1070.156386] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) [ 1070.156620] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327) [ 1070.156827] tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327) [ 1070.157055] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 1070.157310] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 1070.157591] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) [ 1070.157873] netif_receive_skb (net/core/dev.c:5742 net/core/dev.c:5801) [ 1070.158094] tcf_mirred_to_dev (net/sched/act_mirred.c:327) act_mirred [ 1070.158397] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred [ 1070.158668] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit [ 1070.158986] tcf_action_exec (net/sched/act_api.c:1101 net/sched/act_api.c:1074) [ 1070.159200] fl_classify (net/sched/cls_flower.c:345) cls_flower [ 1070.159466] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 1070.159705] ? __bfs (kernel/locking/lockdep.c:1787) [ 1070.159917] ? check_irq_usage (kernel/locking/lockdep.c:2823) [ 1070.160166] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) [ 1070.160381] ? __skb_flow_dissect (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/flow_dissector.c:1101) [ 1070.160639] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 1070.160915] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 1070.161163] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) [ 1070.161422] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) [ 1070.161630] tc_run (net/core/dev.c:3945) [ 1070.161816] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301) [ 1070.162050] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 1070.162280] ? eth_header (net/ethernet/eth.c:85) [ 1070.162514] ip_finish_output2 (./include/net/neighbour.h:542 net/ipv4/ip_output.c:235) [ 1070.162779] ? ip_skb_dst_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2651 ./include/net/ip.h:465 ./include/net/ip.h:502) [ 1070.163004] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 1070.163238] __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 1070.163489] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 1070.163724] ? __alloc_skb (net/core/skbuff.c:685) [ 1070.163943] tcp_rcv_state_process (net/ipv4/tcp_input.c:6885) [ 1070.164226] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) [ 1070.164445] ? tcp_v4_rcv (./include/linux/skbuff.h:1624 ./include/net/tcp.h:2512 net/ipv4/tcp_ipv4.c:2327) [ 1070.164666] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1930) [ 1070.164903] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1930) [ 1070.165122] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2330) [ 1070.165327] ? process_backlog (net/core/dev.c:5978 (discriminator 2)) [ 1070.165560] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 1070.165816] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 1070.166066] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) [ 1070.166340] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985) [ 1070.166588] __napi_poll.constprop.0 (net/core/dev.c:6584) [ 1070.166854] net_rx_action (net/core/dev.c:6655 net/core/dev.c:6786) [ 1070.167085] __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) [ 1070.167297] ? tcp_recvmsg (net/ipv4/tcp.c:2580) [ 1070.167518] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 1070.167707] [ 1070.167833] [ 1070.167961] __local_bh_enable_ip (kernel/softirq.c:381) [ 1070.168219] tcp_recvmsg (net/ipv4/tcp.c:2580) [ 1070.168438] inet_recvmsg (net/ipv4/af_inet.c:884 (discriminator 8)) [ 1070.168644] __sys_recvfrom (net/socket.c:1046 net/socket.c:1068 net/socket.c:2242) [ 1070.168863] ? do_pselect.constprop.0 (fs/select.c:764) [ 1070.169150] __x64_sys_recvfrom (net/socket.c:2260 net/socket.c:2256 net/socket.c:2256) [ 1070.169376] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 1070.169584] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 1070.169895] RIP: 0033:0x7f0edcb334c0 [ 1070.170108] 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 [ 1070.171091] RSP: 002b:00007ffda989d728 EFLAGS: 00000246 ORIG_RAX: 000000000000002d [ 1070.171547] RAX: ffffffffffffffda RBX: 00005600bce38a20 RCX: 00007f0edcb334c0 [ 1070.171940] RDX: 0000000000002000 RSI: 00007ffda989d7b0 RDI: 0000000000000008 [ 1070.172340] RBP: 00007ffda989d7b0 R08: 0000000000000000 R09: 0000000000000000 [ 1070.172728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 Finger prints: dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested