====================================== | [ 1149.106823] #6: ffffffffa33678c0 (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) | [ 1149.107311] #7: ffffffffa33678c0 (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) | [ 1149.107797] | [ 1149.107797] stack backtrace: [ 1149.108455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1149.109064] Call Trace: [ 1149.109217] [ 1149.109357] dump_stack_lvl (lib/dump_stack.c:108) [ 1149.109572] __lock_acquire (kernel/locking/lockdep.c:5138) [ 1149.109804] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 1149.110040] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) [ 1149.110254] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 1149.110473] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) [ 1149.110723] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 1149.110937] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 1149.111145] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 1149.111401] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 1149.111648] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) [ 1149.111927] netif_receive_skb (net/core/dev.c:5742 net/core/dev.c:5801) [ 1149.112165] tcf_mirred_to_dev (net/sched/act_mirred.c:329) act_mirred [ 1149.112470] tcf_mirred_act (net/sched/act_mirred.c:461 (discriminator 2)) act_mirred [ 1149.112748] ? tcf_mirred_act (net/sched/act_mirred.c:425) act_mirred [ 1149.113040] tcf_action_exec (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1129 net/sched/act_api.c:1103) [ 1149.113270] fl_classify (net/sched/cls_flower.c:345) cls_flower [ 1149.113578] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) [ 1149.113811] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) [ 1149.114063] ? print_shortest_lock_dependencies_backwards (kernel/locking/lockdep.c:2500) [ 1149.114423] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 1149.114632] ? lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) [ 1149.114853] ? handle_irq_event (kernel/irq/internals.h:234 kernel/irq/handle.c:213) [ 1149.115093] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) [ 1149.115327] ? handle_irq_event (kernel/irq/internals.h:234 kernel/irq/handle.c:213) [ 1149.115545] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) [ 1149.115761] tc_run (net/core/dev.c:3945) [ 1149.115948] __dev_queue_xmit (net/core/dev.c:4069 net/core/dev.c:4301) [ 1149.116183] ? eth_header (net/ethernet/eth.c:85) [ 1149.116393] ip_finish_output2 (./include/net/neighbour.h:542 net/ipv4/ip_output.c:235) [ 1149.116615] ? ip_skb_dst_mtu (./include/net/net_namespace.h:383 ./include/linux/netdevice.h:2652 ./include/net/ip.h:465 ./include/net/ip.h:502) [ 1149.116842] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 1149.117100] __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 1149.117319] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 1149.117585] ? __alloc_skb (net/core/skbuff.c:667) [ 1149.117797] tcp_rcv_state_process (net/ipv4/tcp_input.c:6874) [ 1149.118066] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) [ 1149.118292] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) [ 1149.118492] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) [ 1149.118700] ? process_backlog (net/core/dev.c:5978 (discriminator 2)) [ 1149.118932] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 1149.119193] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 1149.119454] __netif_receive_skb_one_core (net/core/dev.c:5542 (discriminator 4)) [ 1149.119717] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5985) [ 1149.119944] __napi_poll.constprop.0 (net/core/dev.c:6584) [ 1149.120205] net_rx_action (net/core/dev.c:6655 net/core/dev.c:6786) [ 1149.120409] __do_softirq (kernel/softirq.c:553) [ 1149.120617] irq_exit_rcu (kernel/softirq.c:427 kernel/softirq.c:632 kernel/softirq.c:644) [ 1149.120822] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 14)) [ 1149.121054] [ 1149.121186] [ 1149.121310] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:640) [ 1149.121575] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743) [ 1149.121810] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 2d 40 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 All code ======== 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffffffffffff7d b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d d3 2d 40 00 verw 0x402dd3(%rip) # 0x402dfb 28: fb sti 29: f4 hlt 2a:* fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: fa cli 1: c3 ret 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) d: 00 00 00 00 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 1149.122794] RSP: 0018:ffffb49b400a3ee8 EFLAGS: 00000242 [ 1149.123103] RAX: 00000000003bd88f RBX: ffffa092c1338000 RCX: 4000000000000000 [ 1149.123482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa19a8863 [ 1149.123856] RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 [ 1149.124252] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 1149.124626] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1149.125029] ? do_idle (kernel/sched/idle.c:171 kernel/sched/idle.c:312) [ 1149.125232] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:98) [ 1149.125501] do_idle (kernel/sched/idle.c:171 kernel/sched/idle.c:312) [ 1149.125695] ? finish_task_switch.isra.0 (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/sched/sched.h:1397 kernel/sched/core.c:5154 kernel/sched/core.c:5272) [ 1149.125979] cpu_startup_entry (kernel/sched/idle.c:409 (discriminator 1)) [ 1149.126207] start_secondary (arch/x86/kernel/smpboot.c:336) [ 1149.126420] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:461) | [ 1149.126420] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:461) | [ 1149.126717] | [ 1176.950763] ncat (5603) used greatest stack depth: 10680 bytes left | [ 1217.657071] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1217.657761] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1217.658333] Call Trace: [ 1217.658468] [ 1217.658581] dump_stack_lvl (lib/dump_stack.c:108) [ 1217.658778] __report_bad_irq (kernel/irq/spurious.c:214) [ 1217.658982] note_interrupt (kernel/irq/spurious.c:423) [ 1217.659182] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) [ 1217.659383] handle_edge_irq (kernel/irq/chip.c:833) [ 1217.659583] __common_interrupt (./include/linux/irqdesc.h:161 arch/x86/kernel/irq.c:238 arch/x86/kernel/irq.c:257) [ 1217.659799] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 14)) [ 1217.660000] [ 1217.660114] [ 1217.660227] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:640) [ 1217.660446] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1217.660731] Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 81 3c 39 ff 48 89 ef e8 39 6d 39 ff 80 e7 02 74 06 e8 4f 96 46 ff fb 65 ff 0d cf e8 9f 5d <74> 07 5b 5d c3 cc cc cc cc 0f 1f 44 00 00 5b 5d c3 cc cc cc cc 66 All code ======== 0: c7 (bad) 1: 18 53 48 sbb %dl,0x48(%rbx) 4: 89 f3 mov %esi,%ebx 6: 48 8b 74 24 10 mov 0x10(%rsp),%rsi b: e8 81 3c 39 ff call 0xffffffffff393c91 10: 48 89 ef mov %rbp,%rdi 13: e8 39 6d 39 ff call 0xffffffffff396d51 18: 80 e7 02 and $0x2,%bh 1b: 74 06 je 0x23 1d: e8 4f 96 46 ff call 0xffffffffff469671 22: fb sti 23: 65 ff 0d cf e8 9f 5d decl %gs:0x5d9fe8cf(%rip) # 0x5d9fe8f9 2a:* 74 07 je 0x33 <-- 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: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 5b pop %rbx 39: 5d pop %rbp 3a: c3 ret 3b: cc int3 3c: cc int3 3d: cc int3 3e: cc int3 3f: 66 data16 Code starting with the faulting instruction =========================================== 0: 74 07 je 0x9 2: 5b pop %rbx 3: 5d pop %rbp 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) e: 5b pop %rbx f: 5d pop %rbp 10: c3 ret 11: cc int3 12: cc int3 13: cc int3 14: cc int3 15: 66 data16 [ 1217.661662] RSP: 0018:ffffb49b426dfd18 EFLAGS: 00000286 [ 1217.661929] RAX: 0000000000000001 RBX: 0000000000000282 RCX: 0000000000000017 [ 1217.662290] RDX: ffffffffa21c7da2 RSI: ffffffffa2630671 RDI: ffffffffa2630671 [ 1217.662651] RBP: ffffffffa47fff40 R08: 0000000000000000 R09: 0000000000000000 [ 1217.663011] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 1217.663370] R13: 0000000000000000 R14: ffffa092c26c0001 R15: ffffa092c2230000 [ 1217.663732] ? rpm_suspend (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:717) [ 1217.663929] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 ./arch/x86/include/asm/irqflags.h:135 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1217.664184] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 ./arch/x86/include/asm/irqflags.h:135 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1217.664441] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 ./arch/x86/include/asm/irqflags.h:135 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1217.664695] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:616) [ 1217.664882] n_tty_write (drivers/tty/n_tty.c:574 drivers/tty/n_tty.c:2379) [ 1217.665070] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) [ 1217.665320] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1021 drivers/tty/tty_io.c:1096) [ 1217.665573] vfs_write (./include/linux/fs.h:2085 fs/read_write.c:497 fs/read_write.c:590) [ 1217.665756] ksys_write (fs/read_write.c:643) [ 1217.665932] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 1217.666124] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 1217.666387] RIP: 0033:0x7fcd62c93957 [ 1217.666576] 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 [ 1217.667507] RSP: 002b:00007ffe08aa2d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1217.667888] RAX: ffffffffffffffda RBX: 000055a2e1dccec0 RCX: 00007fcd62c93957 [ 1217.668247] RDX: 0000000000000001 RSI: 000055a2e1dccec0 RDI: 0000000000000001 [ 1217.668605] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1217.668966] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a2e1db9500 Finger prints: dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested secondary_startup_64_no_verify:dump_stack_lvl:__report_bad_irq:note_interrupt