====================================== | [ 431.933604] #6: ffffffffa41678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:5738 net/core/dev.c:5810) | [ 431.934115] #7: ffffffffa41678c0 (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) | [ 431.934796] | [ 431.934796] stack backtrace: [ 431.935660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 431.936450] Call Trace: [ 431.936626] [ 431.936797] dump_stack_lvl (lib/dump_stack.c:108) [ 431.937078] __lock_acquire (kernel/locking/lockdep.c:5138) [ 431.937392] ? sk_filter_trim_cap (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/filter.c:151) [ 431.937693] lock_acquire (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756 kernel/locking/lockdep.c:5719) [ 431.937955] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 431.938232] ? sk_filter_trim_cap (net/core/filter.c:165) [ 431.938561] _raw_spin_lock_nested (kernel/locking/spinlock.c:379) [ 431.938854] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 431.939128] tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 431.939383] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 431.939733] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 431.940017] __netif_receive_skb_one_core (net/core/dev.c:5551 (discriminator 4)) [ 431.940310] netif_receive_skb (net/core/dev.c:5751 net/core/dev.c:5810) DETECTED CRASH, lowering timeout [ 431.940584] tcf_mirred_to_dev (net/sched/act_mirred.c:327) act_mirred [ 431.940946] tcf_mirred_act (net/sched/act_mirred.c:459 (discriminator 2)) act_mirred [ 431.941243] ? tcf_skbedit_act (net/sched/act_skbedit.c:51 (discriminator 3)) act_skbedit [ 431.941586] ? mce_wrmsrl (core.c:?) [ 431.941876] tcf_action_exec (./include/net/tc_wrapper.h:130 net/sched/act_api.c:1100 net/sched/act_api.c:1074) [ 431.942137] fl_classify (net/sched/cls_flower.c:345) cls_flower [ 431.942492] ? fl_mask_lookup (net/sched/cls_flower.c:296) cls_flower [ 431.942841] ? __bfs (kernel/locking/lockdep.c:1787) [ 431.943058] ? check_irq_usage (kernel/locking/lockdep.c:2823) [ 431.943382] ? lock_release (kernel/locking/lockdep.c:5430 kernel/locking/lockdep.c:5774) [ 431.943604] ? check_path.constprop.0 (kernel/locking/lockdep.c:2145) [ 431.943864] ? check_noncircular (kernel/locking/lockdep.c:2172) [ 431.944091] ? __lock_acquire (kernel/locking/lockdep.c:5133 (discriminator 1)) [ 431.944341] tcf_classify (./include/net/tc_wrapper.h:197 net/sched/cls_api.c:1734 net/sched/cls_api.c:1830) [ 431.944593] tc_run (net/core/dev.c:3920) [ 431.944813] __dev_queue_xmit (net/core/dev.c:4044 net/core/dev.c:4276) [ 431.945075] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 431.945388] ip_finish_output2 (./include/linux/netdevice.h:3172 ./include/net/neighbour.h:526 ./include/net/neighbour.h:540 net/ipv4/ip_output.c:235) [ 431.945636] ? __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 431.945853] __ip_queue_xmit (net/ipv4/ip_output.c:535) [ 431.946145] __tcp_transmit_skb (net/ipv4/tcp_output.c:1462 (discriminator 4)) [ 431.946451] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 431.946777] tcp_write_xmit (net/ipv4/tcp_output.c:2792) [ 431.947003] __tcp_push_pending_frames (net/ipv4/tcp_output.c:2977) [ 431.947327] tcp_rcv_state_process (net/ipv4/tcp_input.c:5654 net/ipv4/tcp_input.c:6867) [ 431.947660] ? tcp_v4_rcv (./include/linux/skbuff.h:1619 ./include/net/tcp.h:2510 net/ipv4/tcp_ipv4.c:2326) [ 431.947945] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) [ 431.948244] tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1929) [ 431.948541] tcp_v4_rcv (net/ipv4/tcp_ipv4.c:2329) [ 431.948824] ? process_backlog (net/core/dev.c:5987 (discriminator 2)) [ 431.949127] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 1)) [ 431.949473] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 431.949825] __netif_receive_skb_one_core (net/core/dev.c:5551 (discriminator 4)) [ 431.950187] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:5994) [ 431.950486] __napi_poll.constprop.0 (net/core/dev.c:6622) [ 431.950834] net_rx_action (net/core/dev.c:6693 net/core/dev.c:6824) [ 431.951120] __do_softirq (kernel/softirq.c:553) [ 431.951382] ? __pfx_smpboot_thread_fn (kernel/smpboot.c:107) [ 431.951727] run_ksoftirqd (kernel/softirq.c:410 kernel/softirq.c:922 kernel/softirq.c:913) [ 431.952000] smpboot_thread_fn (kernel/smpboot.c:164 (discriminator 3)) [ 431.952270] kthread (kernel/kthread.c:388) [ 431.952450] ? __pfx_kthread (kernel/kthread.c:341) [ 431.952689] ret_from_fork (arch/x86/kernel/process.c:147) [ 431.952900] ? __pfx_kthread (kernel/kthread.c:341) [ 431.953116] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 431.952900] ? __pfx_kthread (kernel/kthread.c:341) | [ 431.953116] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 431.953363] | [ 434.127286] irq 4: nobody cared (try booting with the "irqpoll" option) [ 434.127969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 434.128539] Call Trace: [ 434.128670] [ 434.128784] dump_stack_lvl (lib/dump_stack.c:108) [ 434.128980] __report_bad_irq (kernel/irq/spurious.c:214) [ 434.129180] note_interrupt (kernel/irq/spurious.c:423) [ 434.129378] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) [ 434.129579] handle_edge_irq (kernel/irq/chip.c:833) [ 434.129778] __common_interrupt (./include/linux/irqdesc.h:161 arch/x86/kernel/irq.c:238 arch/x86/kernel/irq.c:257) [ 434.129992] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 14)) [ 434.130193] [ 434.130307] [ 434.130421] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:640) [ 434.130636] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 434.130923] Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 81 ac 38 ff 48 89 ef e8 39 dd 38 ff 80 e7 02 74 06 e8 cf 05 46 ff fb 65 ff 0d cf 58 bf 5c <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 ac 38 ff call 0xffffffffff38ac91 10: 48 89 ef mov %rbp,%rdi 13: e8 39 dd 38 ff call 0xffffffffff38dd51 18: 80 e7 02 and $0x2,%bh 1b: 74 06 je 0x23 1d: e8 cf 05 46 ff call 0xffffffffff4605f1 22: fb sti 23: 65 ff 0d cf 58 bf 5c decl %gs:0x5cbf58cf(%rip) # 0x5cbf58f9 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 [ 434.131841] RSP: 0018:ffffaaaf8796fd18 EFLAGS: 00000286 [ 434.132111] RAX: 0000000000000001 RBX: 0000000000000282 RCX: 0000000000000017 [ 434.132473] RDX: ffffffffa2fc7832 RSI: ffffffffa3439671 RDI: ffffffffa3439671 [ 434.132829] RBP: ffffffffa5602f20 R08: 0000000000000000 R09: 0000000000000000 [ 434.133188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 434.133546] R13: 0000000000000000 R14: ffff99c142590801 R15: ffff99c142230000 [ 434.133911] ? 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) [ 434.134108] ? _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) [ 434.134362] ? _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) [ 434.134620] ? _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) [ 434.134873] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:616) [ 434.135058] n_tty_write (drivers/tty/n_tty.c:574 drivers/tty/n_tty.c:2379) [ 434.135246] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) [ 434.135503] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1021 drivers/tty/tty_io.c:1096) [ 434.135755] vfs_write (./include/linux/fs.h:2085 fs/read_write.c:497 fs/read_write.c:590) [ 434.135938] ksys_write (fs/read_write.c:643) [ 434.136112] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 434.136303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 434.136562] RIP: 0033:0x7f6ba317a957 [ 434.136748] 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 [ 434.137663] RSP: 002b:00007ffc48063d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 434.138041] RAX: ffffffffffffffda RBX: 000055d2eb076d80 RCX: 00007f6ba317a957 [ 434.138400] RDX: 0000000000000001 RSI: 000055d2eb076d80 RDI: 0000000000000001 [ 434.138759] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 434.139119] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d2eb063500 Finger prints: dump_stack_lvl:__lock_acquire:lock_acquire:_raw_spin_lock_nested ret_from_fork_asm:dump_stack_lvl:__report_bad_irq:note_interrupt